from:"Anker Berg\-Sonne"

Re: [RCSE] Looking for a Futaba Ch 40 module

2008-08-27 Thread Anker Berg-Sonne


Ed,

Forget about a 72MHZ module. Contact Horizon Hobbies or your local hooby 
shop and get a 2.4 GHZ transmitter module AND a 7000 full range receiver 
for just $110. I just installed this in one of my radios and my decond 
Supra fude and it works like a champ!


Anker

Ed Anderson wrote:

Most of my planes are on a Futaba 9C super on channel 40. Seems my Ch 40
module is getting a bit flakey.  Anyone got one cheap they want to get rid
of?  If not, I will probably get the synth module to replace it, but I
prefer the single channel modules.  They use a lot less power.

Best regards,
Ed Anderson
- Original Message - 
From: Soaring Soaring@airage.com

To: Soaring@airage.com
Sent: Wednesday, August 27, 2008 6:17 AM
Subject: Soaring V1 #11602



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Re: [RCSE] Looking for a Futaba Ch 40 module

2008-08-27 Thread Anker Berg-Sonne


Ed,

I forgot to mention that the transmitter will use LES power with the 
synth module and you won't see any difference with your receiver. Its 
the servos that drain the receiver battery.


Anker

Anker Berg-Sonne wrote:

Ed,

Forget about a 72MHZ module. Contact Horizon Hobbies or your local 
hooby shop and get a 2.4 GHZ transmitter module AND a 7000 full range 
receiver for just $110. I just installed this in one of my radios and 
my decond Supra fude and it works like a champ!


Anker

Ed Anderson wrote:

Most of my planes are on a Futaba 9C super on channel 40. Seems my Ch 40
module is getting a bit flakey.  Anyone got one cheap they want to 
get rid

of?  If not, I will probably get the synth module to replace it, but I
prefer the single channel modules.  They use a lot less power.

Best regards,
Ed Anderson
- Original Message - From: Soaring Soaring@airage.com
To: Soaring@airage.com
Sent: Wednesday, August 27, 2008 6:17 AM
Subject: Soaring V1 #11602



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Re: [RCSE] Looking for a Futaba Ch 40 module

2008-08-27 Thread Anker Berg-Sonne


Ed,

Its certainly true for XPS and Spectrum, and its the Spectrum I am 
recommending, because the deal is so good.


What happens is that even though the 2.4GHZ transmits at greater power 
than 72MHZ, they transmit in packets and between packets the transmitter 
isn't sending any signal. The net effect is that the total power drain 
goes down. I use both XPS and Spectrum and I can see it directly on how 
long my transmitter batteries last.


Anker

Ed Anderson wrote:

All that I have read is that the synth modules use more power than the
single channel modules.  Perhaps the Futaba Synth is different.   Any way,
for the cost of one 2.4 GHz receiver, I can keep all my 72 MHz stuff flying
on their current channel.  That is worth it for now.

Best regards,
Ed Anderson
- Original Message - 
From: Anker Berg-Sonne [EMAIL PROTECTED]

To: Anker Berg-Sonne [EMAIL PROTECTED]
Cc: Ed Anderson [EMAIL PROTECTED]; Soaring Exchange
soaring@airage.com; [EMAIL PROTECTED]
Sent: Wednesday, August 27, 2008 9:19 AM
Subject: Re: [RCSE] Looking for a Futaba Ch 40 module


  

Ed,

I forgot to mention that the transmitter will use LES power with the
synth module and you won't see any difference with your receiver. Its
the servos that drain the receiver battery.

Anker






  

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Re: [RCSE] Migrating

2008-08-27 Thread Anker Berg-Sonne

I like Google Groups much better than Yahoo Groups. The web based 
interface to Yahoo Groups is terrible and the email distribution of the 
two is comparable.


Anker

Mark Miller wrote:
I like the Yahoo Groups scenario. MVSA uses it for our communication 
and it works well. Like a mail list that you can wither read in web 
view or have the mail pushed to your email client. 

RCSE was great because it was not a forum type list. Forums have their 
place but mail works best for what RCSE type communication in my 
opinion. In forums stuff gets scattered all over and you have to 
browse through the different subjects to find something. BLECH!


Thanks to RCSE and Mike. Through it I found all you guys (for better 
or worse) and it furthered my enjoyment of the hobby. 


Thanks Mike and MAN

Mark Miller
Isthmus Models

- Original Message 
From: TJB [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; soaring@airage.com
Sent: Tuesday, August 26, 2008 4:59:17 PM
Subject: Re: [RCSE] Migrating

*So far there seems to be 3 replacements posted.  We'll see which 
actually pans out.*


- Original Message -
*From:* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
*To:* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] ;
soaring@airage.com mailto:soaring@airage.com
*Sent:* Tuesday, August 26, 2008 11:15 AM
*Subject:* Re: [RCSE] Migrating

You mean Joe Wurts won't be able use his Gordy Soar handle any
more??

Here's something to consider when migrating to a replacement
for RCSE.
One of the strengths of RCSE was that we all used our real
names, not
cutesy-poo nam de plumes.  Let's continue that practice in
what ever forum
we wind up in.
Jim Deck

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It's only a deal if it's where /you/ want to go. Find your travel
deal *here*
http://information.travel.aol.com/deals?ncid=aoltrv000547.



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Re: [RCSE] The Stylus, Airtronics, and Houdini

2008-04-30 Thread Anker Berg-Sonne

Uncluded is a new word for me. I hope it isn't the opposite of included. :-)

Anker

David Webb wrote:
If you subscribe to the airtronics forum they will tell you that a 10
channel 2.4 radio with a lot of bells and whistles is due out FEb 2009
but this is not a replacement for the Stylus either. This 10 channel
is supposed to have enough features for the masses, glider pilots
uncluded. No one has definitively stated when the stylus will be
replaced with a 2.4 model.

Look ont he bright side. As more and more users switch to the JR,
Futaba and maybe extreme 2.4Ghz solutions, 72 MHZ gets less populated
and the potential for conflicts may be reduced :)

I am personally switching over next flying season myself. I would LOVE
to stick with my stylus but my local flying flield is too close to
another club so 2.4 is a must and soon.

David Webb

On Tue, Apr 29, 2008 at 6:22 PM, Jim Deck [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:

I dropped by the Airtronics booth at Toledo hoping to find out
if the spread spectrum module for the Stylus would be available
for THIS flying season. My questions were answered with We're
not sure but have you looked at the new RD 8000? I was reminded
that Houdini claimed that the secret to his success as an
illusionist was distraction.
Still patiently waiting for my Stylus SS module,
Jim Deck
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Re: [RCSE] Talk about low passes!

2008-03-13 Thread Anker Berg-Sonne

It was really neat where they were dumping ballast water during the 
passes. I don't think any rules were being broken. Looks like so much 
fun it should have been illegal.


Anker

Marc Gellart wrote:
LOTS of energy on this slope. 


For those that cannot get a heartbeat from this, you are dead.  The scenes are 
spectacular, and for the rule writers, I am sure you will be all bent out of 
shape  I would guess you could find some rule that is being broken I am sure.

Great stuff courtesy of Jim Porter!

I think I'd be filming from behind the pile of rocks though. 
http://www.youtube.com/watch?v=1QT7SM8a55Ifeature=related   
Segelfliegen/Gliding-Überflüge-Frankreich 2007  Vinon, France 
  



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[RCSE] Laser cut foam cutting templates

2008-02-17 Thread Anker Berg-Sonne

I am looking for someone to laser cut foam cutting templates. I can 
supply the templates in 3D CAD formats or as CompuFoil files.


Thanks/Anker
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Re: [RCSE] 4 pin connectors

2008-02-03 Thread Anker Berg-Sonne

Another option is to use the 15 pin connectors for PC serial plugs. 
Several of the moldie manufacturers use them.


Anker

Jay Hunter wrote:
You could try the multipex 6 pin connector.  Its a bit bigger, and 
easier to work with.


On Feb 3, 2008 8:23 AM, [EMAIL PROTECTED] 
mailto:[EMAIL PROTECTED] wrote:


I'm assembling a model with a 2 piece wing that bolts onto an AVA
fuse. Does
anyone have any advise on some thing better than the 4 pin deans
connectors
I normally use? After a month or so I end up breaking the wires on
them and
they are getting harder and harder for my old arthritic fingers to
use.
Thanks Brian Smith

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Re: [RCSE] Re: Airfoil flight comparison( HN-216)?

2008-02-01 Thread Anker Berg-Sonne

David,

Launching without turning the transmitter on is a symptom of a greater
problem. You must build a routine that you consistently follow each and
every time you launch, otherwise you will make this and a bunch of other
mistakes.

Most of the problems occur if you let yourself be rushed, either by
external circumstances, or by a desire to join the gaggle in the monster
thermal just off the launch.

There are so many ways launches can go wrong that your proposed device
may save you from one problem, but the others will be sure to bite you
instead.

As a reformed sinner myself I speak from bitter experience.

Anker

David Webb wrote:

Gentlemen, I would like your feedback on something I created last
season in a bit of a whim. I have been competing at various TD tasks
in the Northwest over the last 3 years. Over this time I have
witnessed far too many launches where the pilot after the fact
admitted that he/she did not turn on the aircraft. Needless to say
most of the aircraft were lost or seriously damaged. So in search of a
solution I went to a local electronics shop and asked a young guy if
he could give me a hand designing a safety component that might help
avoid this scenario.

Basically we designed a switch with a small tilt sensor and some
latching circuitry. The result is this:

If you remember to turn on the plane the switch works as expected. The
plane powers on and off as it would normally.

If you turn OFF the plane and tilt the aircraft in the desired launch
angle ( this is set by the pilot) the plane turns ITSELF on and stays
on until the circuit is reset by disconnecting / interrupting the
battery. The draw is tiny and the circuit and switch itself 1xx .25
or double the size of a typical 20 amp RC switch. I have tested the
product in the lab and i know a shop that could likely get the size
down to half its current size or close to the size of a standard
switch

This would of course cost some money out of pocket but I am not sure
if the target market is too limited to bother creating this solution
for. For the most part, the elite pilots I watch either don't even use
a switch or are very disciplined in their launch methodology. The
target market is more appropriately general pilots who may be
approaching the more senior years as well as new pilots.

What do you think people? At your local club have you seen anyone toss
an un-powered glider to its death? Would a product like this be of
value as a replacement for the standard on off switch for your more
senior members or new eager soaring enthusiasts?

David Webb
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Re: [RCSE] Post curing West System 105/206

2007-12-22 Thread Anker Berg-Sonne


Bill,

I use Pro Set and it has all the post curing information right on it. 
Its a two phase curing process and I don't remember exactly what the 
times are, but I seem to remember 105 degrees for 24 hours. It does 
depend on the brand and model.


As far as I remember, West Systems doesn't really benefit from a post 
cure under heat.


Have fun/Anker

Anker

Bill  Bunny Kuhlman wrote:


Granddaughter Alyssa and I are involved in vacuum bagging processes: 
carbon fiber spar caps, fiberglass over foam flying surfaces, and a 
molded all glass fuselage pod and boom.


We're using West System 105/206 for all of the components.

We know that post curing - higher than room temperature heat over 
several hours to a full day - will make the epoxy matrix stronger, but 
after a long web search have been unable to get firm numbers for 
either the temperature required or the recommended time period.


If anyone can pass on this information, we'd very much appreciate it. 
We have our hot box made and can take it up to 160 degrees F.


Many thanks in advance!


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Re: [RCSE] Launching Sanity

2007-12-22 Thread Anker Berg-Sonne

There's a much better method than using a resistor. The resistor 
generates heat that is pure wasted energy. Instead, an automatic pulser 
that cuts the power to the solenoids when the current exceeds a certain 
value is a much better solution. There's an even better advantage to 
this solution because you can adjust the maximum current depending on 
what is being launched. An even more advanced concept is to have a foot 
pedal that isn't simply and on/off switch, but a rheostat that controls 
the current limiter. I actually have one of these sitting in my garage.


Anker

Jeff Steifel wrote:
Without knowing for sure, I don't think we want the same resistance as 
the F3B winches.
The F3B winches use mono so they get power from that, and the FLS 
draws way more amperage, so if we resistor down to where the F3B 
winches are the resistors will probably get smoked...
I would think we would want a little less resistance to overcome the 
lack of mono, and higher draw of the FLS.


One of the Electrical engineers could probably come up with a decent 
resistance. I'd expect it to be a small , but as my F3B teacher has 
taught me a little change is a lot of power.


[EMAIL PROTECTED] wrote:

Long, but read it anyway.

Tension limiter discussions come and go and even the simplest 
concepts not only add a substantial cost to each winch an more 
potential failure points which could put a winch in a contest 
situation down for the day, where a broken line can usually repaired 
within a few minutes.
Two things that we can do to stanardise winch power, minimize line 
breakage and make winches more user friendly are:


1 ) A simple 1/2 stainless steel threaded rod installed between the 
FLS and the power from the solenoid can be adjusted to provide the 
resistance specs for F3B winches.
Remember that the resistor rod is threaded so adjustment is simple 
with a pair of jam nuts. There are a few checking devises for F3B 
winch certification that should be available to proof the setup. AMA 
has one.
 
The target setup should be the same as current (pun intended) 
requirements for F3B winches for a standard and then any winch could 
be used for all TD comps,an F3B comp and possibly to run an F3J comp 
also. The stainless rod is also unaffected by the heat generated by 
contest loads and cannot fail during heavy use.


Also the cost can't be more than $10 to $12 per winch. That reads 
CHEAP ! I have done this mod thee times and and can testify to it's 
ease of installation and cost.
2 ) The slightly lower power achieved above, and I mean slightly, 
allows for lower lb test line which will cost less and more 
importantly allow some stretch at the launch release giving the pilot 
a better choice on the amount of line tension preferred, instead of 
jerking the sailplane out of his hand. Also could be an easier launch 
with the more fragile wood constructed sailplanes.
This mod has been done 3 times by yours truly with successful 
results. I see where Mr Hands Off Retriever fame, Rick Botha is 
supplying the SWC comp with a winch resistor system and that will be 
the start of something. We have to quit talking about this and get it 
done.


I propose that we get the Soaring Nats winches resistorised for this 
years Soaring Nats and with lighter line than the 300 lb test line 
that we have migrated to this last year.


Regards, Dave Corven. Also Merry Christmas and a Happy New Year.

 -- Original message --
From: Marc Gellart [EMAIL PROTECTED]
 
From what I have seen in this thread, the two real simple, straight 
forward suggesions seem to be, lower capacity batteries like used in 
B, and lighter line, like 200# (which the Dayton club already uses 
and it works just fine for them except they have a great grass field 
and and no humps in it).


Personnally I just hate downwind launches (my problem huh?) and 
tension limiters sound worse than retrievers to keep working 
correctly.  I am really interested to hear how SWC goes to see how 
Rick's resistor set up works, that might work just fine.


I've had my arse chewed on privitaly about somethings here, heh, 
these are just ideas, right?  Still wished we all had the B winches 
though, then there is no problem.


Marc

Have a great Christmas, and holiday with your families!
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Re: [RCSE] Re JW/NZ Quake

2007-12-21 Thread Anker Berg-Sonne

Don't worry, he will be all confused about the thermals rotating the 
wrong way!


Happy Holidays to Y'all!

Anker
ESL Score Keeper Forever

[EMAIL PROTECTED] wrote:


Quoting Albert E. Wedworth :

 I Know The JW stands for Jow What hes name... But What is this
 NZ place or thing??? Please spell out what you mean? Cheers Al In
 a time of deceit
 telling the truth is a
 revolutionary act.
 -George Orwell-

Al,

  Where have you been?  Joe and Jan moved  NZ last Aug.  He has a job 
there now and so does Jan.  Now our guys will really have fly against 
him in world comps.


His last main event in the US was at the June XC event at Montague 
this year.  He won everything.


Have a Merry Christmas and Happy New Year

Jerry Miller, in Winnsboro, TX for the rest of the year.

Re: [RCSE] Looking for Information on Trophies for Flying contests

2007-12-02 Thread Anker Berg-Sonne

CRRC has given engraved crystal beer mugs from Engravingcreations.com 
for several years. They have been very popular, especially the huhe 
onsed we giver for first place. They are no more expensive that regular 
trophies.


Anker

[EMAIL PROTECTED] wrote:
 
Anyone out there know of some trophies that work well for Thermal 
Duration flying?  I have all the usual stuff, but the club up here in 
Seattle is looking for something a little different than the usual cup 
or slab of wood.  If you have any ideas or contacts, please let me know.
 
Thanks in Advance
 
Sherman L Knight

Team JR
425-576-4028 wk pacific std time
425-576-8777 direct
[EMAIL PROTECTED]




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Re: [RCSE] Re: The puppy wins in Poway

2006-06-07 Thread Anker Berg-Sonne

Why was Joe's throwout round R2 instead of R12? If he had thrown out 
round 12 he would have won!?


Anker

At 08:39 AM 6/5/2006, CloudyIFR wrote:


http://www.torreypinesgulls.org/IHLGF2006results.pdf

Here's a .pdf file of the results found at the Torrey Pines Gulls
website.

Check out Joe Wurts, 2nd place, 10 perfect rounds out of the 13, the
most of the group as far as I can tell and still placed second, looks
like he had a tough Round 12.

Curtis
Montana


--
CloudyIFR

CloudyIFR's Profile: http://www.rcgroups.com/forums/member.php?u=9050
View this thread: http://www.rcgroups.com/forums/showthread.php?t=526352

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Anker Berg-Sonne
[EMAIL PROTECTED] 


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Re: [RCSE] Re: Soaring V1 #7744

2006-06-03 Thread Anker Berg-Sonne

Ed,

You have two ways to determine correct decalage (difference between
wing and stab incidence).

The first is to trim the plane for level flight at low cruising
speed. If the elevator is up you need to reduce wing incidence and if
its down you need to increase it.

The other method is to observe whether the plane looks right in
level flight at thermaling speeds. If it flies tail low you increase
wing incidence, and of you can, stab incidence. If it flies tail high
you decrease wing and stab incidence.

With the Legend you can't get both right because the stab is fixed.

Incidence is actually not that important as long as it isn't way off.

See you in three weeks!

Anker

At 05:15 PM 6/3/2006, Ed Anderson wrote:

Looking for Advice on Wing Incidence.

I am looking forward to flying in the June ESL event at LISF on Long Island.
I hope to see some of you there.

I have a old yellow and blue Airtronics Legend that I am trying to tune up.
I picked up a wing incidence meter and am trying to set the wing/h-stab
incidence. I don't have a recommended spec so I am trying to shoot for
something reasonable.

If I set the stab at 0 degrees on my GP incidence meter, the wing measures
1.5 degrees below the zero. I guess that would be 1.5 degrees positive
relative to the stab, correct?

Any recommendations on a good starting target?

It used to be more but I added 1/32 in shims under the rear wing hold down
to raise the back of the wing about 6 months ago and it seemed to fly
better. So I bought the incidence meter and want to set it correctly.
Unfortunately I have no idea if I am right on the money or way off. I have
the build manual but there is no recommendation in the book.

Would a 0 degree difference between the wing and the stab be a reasonable
starting point? I am thinking that there should be some difference but I may
have too much.

I hope to be able to upgrade to a Mantis or similar by the end of the
summer, but for now this is what I have to fly. Until then, I will chalk up
the work I do on this plane as a learning experience. Any advice would be
appreciated.

Best Regards,
Ed Anderson
Long Island Silent Flyers
[EMAIL PROTECTED]

Anker Berg-Sonne
[EMAIL PROTECTED]

[RCSE] Rick Hallett

2006-01-24 Thread Anker Berg-Sonne

For those of you who would like to send condolences to Rick Hallet's
family, or make a charitable donation in his memory, I have the
following information:

If you would like to send his family an email, you can send it to his
daughter Leigh Hallett. Please send me an email so I can give her
email address to you.

If you would like to send a card, mail it to

The Hallett Family
65 Somerset Ave.
Pittsfield, ME 04967

If you would like to make a charitable contribution in his memory,
the family asks that you make it to the Brain Trust,
www.braintrust.org and via USPS at The Brain Trust, 186 Hampshire
Street, Cambridge, MA 02139-1320 (tax deductible, of course).

The family is especially interested in any stories or anecdotes you
may be able to share about Rick.

Rick was one of those rare people who participated in the sport for
the fun of it. Winning was not important, and his ability to shrug
off mishaps was amazing. This positive attitude also helped his
family and friends deal with his brief and serious battle with brain
cancer. Rick was a driving force in the DownEast Soaring Club of
Maine and CDed many contests for them. He was a regular at the CRRC
Soar-In, the northernmost ESL contest and other contests in New
England that were in reasonable driving distance from his home in
central Maine.

Anker

Anker Berg-Sonne
[EMAIL PROTECTED]

Re: [RCSE] casting lead

2006-01-23 Thread Anker Berg-Sonne

You can make molds out of plaster of Paris, but
you have to dry the mold completely, preferably
in an oven. You know the mold is dry when it
becomes really light. A wet mold is heavy.

If you don't dry the mold it will let off steam
when you pour the lead into it and the lead will
splatter. You can burn yourself seriously if it splatters on you.

Anker

At 09:04 AM 1/23/2006, Robert Samuels wrote:
I want to cast some lead for ballast into a
shape resembling a stick of butter. I have the
lead and a torch that puts out enough heat to
melt the lead but I don't have a ladle nor a
mold. I prefer not to spend much (if any) money
for these items as it will be a one time
project. Does anyone know what I can use to
melt lead in and how to construct a one time mold (cheaply)?

Robert Samuels ... St. Louis

_
FREE pop-up blocking with the new MSN Toolbar
get it now! http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/

Anker Berg-Sonne
[EMAIL PROTECTED]

Re: [RCSE] Shipping to Canada - WAS: Vender Disappointment

2006-01-09 Thread Anker Berg-Sonne

Here's our latest UPS horror story. My wife had ordered three boxes 
of foam wreath cores. Two of them arrived when expected, and the 
third arrived several days later. Upon opening the box all the cores 
were broken. It turns out UPS crushed the original box, poured the 
broken contents into another box, and then proceeded to deliver the 
(now unblemished exterior) box as if nothing had happened.


Geez!

Anker

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Re: [RCSE] Relaxer and Winglets

2005-12-14 Thread Anker Berg-Sonne

I did an experiment with my Airtronics Legend
many years ago. On a very calm day I trimmed it
to fly straight and level. It helped a lot that
it was node heavy and extremely stable. I then
added a winglet first to one wing and then the
other, my theory being that the plane would turn
away from the wing with better lift/lower drag.
This experiment did show that the plane turned
away from the wing with the winglet attached. The
conclusion is that it works to add winglets to an
Airtronics Legend. According to Mark Drela the
area of the winglets works better if simply added to the span.

Anker

At 01:05 PM 12/14/2005, Jim Holliman wrote:

In the November 2005 issue of Quite Flyer is an article by Dr. Helmut
Quabeck about winglets. Quabeck tests his winglets on an R/C glider named
the Relaxer shown in a photo on the first page of the article (pg 44.) Has
anyone seen this plane before or know where it is sold?

It is an interesting article, but a bit on the technical side (which I'm
glad the author didn't leave out.) Are any of you serious builders out
there planning to or have already tried winglets on an R/C glider?

Good Flying
Jim Holliman Oklahoma
TULSOARAMA

Anker Berg-Sonne
[EMAIL PROTECTED]

[RCSE] Rick Hallett update

2005-11-29 Thread Anker Berg-Sonne


I got an update on Rick Hallett yesterday.

He is well into radiation therapy and is emotionally at a low point. 
If you would like to give him some encouragement either as an email, 
or by sending him a card, I am sure he will appreciate hearing from you.


If you need his email address or postal address, let me know.

Anker


Anker Berg-Sonne
[EMAIL PROTECTED] 


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Re: [RCSE] Anybody heard how Rick Hallet of Maine is doing? He is a good guy

2005-11-13 Thread Anker Berg-Sonne


I just got an update from his daughter.

He is having radiation therapy and is in good spirits. Jim Armstrong 
has taken him out flying a few times, which he has enjoyed immensely, 
and went to a club meeting yesterday. He does read emails and will 
enjoy hearing from his friends.


Anker

At 06:11 PM 11/13/2005, Stan Myers wrote:

I've called a couple of times this week, but no answer. He has spent 
many hours helping me program my Evo(slow learner).


Stan


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Anker Berg-Sonne
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Re: [RCSE] Removing wing servo...

2005-09-22 Thread Anker Berg-Sonne

I made a similar tool with a lot less work. I put the tip of a small 
phillips screwdriver in a vice and put a 90 degree bend on the shaft. 
10 seconds, new tool!


Anker

At 02:29 PM 9/22/2005, Doug Reel wrote:

A few years back I made a tool for adjusting servo arms while they are
still glued into the wings. If a servo arm breaks or in my case, I was
switching to a new radio and the position of the arm needed to be
adjusted for the way I wanted to set up the new radio. Anyway I took a
piece of music wire, about 1/16 but perhaps slightly bigger, and in a
vice I hammered a very tight 90 degree bend in the wire. Then I cut off
one end of the wire just beyond the 90 degree bend and very carefully
using the trusty Dremel I cut a philips head into the end of the music
wire. On the long end of the wire I fashioned a handle out of balsa and
glued the music wire into it. So using the small space in the wing
opening I could insert this tool and 1/4 turn at a time, unscrew the
retaining screw at the servo arm, readjust the arm and and screw the
retaining screw back on. I've since used this many times and it has come
in handy at doing field repairs at races when someone lands with the
flaps down at breaks their horn and it must be replaced or end their day
of racing. I hope this helps.

Doug Reel
Colorado Springs, CO



regis wrote:


Not a good `presumption'  Many reasons to remove but not replace.
Control arms break.  Gears strip and I have bought planes that had 
their arms poorly  raked.  I wrap my servos in tape before gluing 
them in.   Wish there was an easy way to remove/adjust servo arms 
in a wing where the servo has been glued in.  Regis



--




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Anker Berg-Sonne
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Re: [RCSE] paging Philip Barnes

2005-09-01 Thread Anker Berg-Sonne


Try [EMAIL PROTECTED]

Notice the z instead of an s!

Anker

At 01:12 PM 9/1/2005, Don Copley wrote:

Ya'll trying to find Mr. Barnes and/or supplier of the Aegea Wing  Mantis
Tail Group. His former email address [EMAIL PROTECTED] was rejected.

Thanks,
Don

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Re: [RCSE] Anyone have a set of Real Balls for sale?

2005-08-15 Thread Anker Berg-Sonne

The dog racing training industry uses long shaft starter motors to pull 
fake rabbits along. Some of the suppliers modify the Ford long shaft for 
ball bearings with a cheaper and not as substantial modification as the 
winch doc. I have considered checking one of those out.  Google should get 
you there.


Anker

At 08:39 PM 8/14/2005, Tom Gist wrote:

I need to upgrade my winch for my new Aegea, which means Real Balls.
Winch Doctor apparently won't have them any time soon.  Does anyone have a 
set (or know of an equivalent)?

Thanks,
Tom Gist

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Anker Berg-Sonne
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[RCSE] LISF MOM contest report

2005-06-30 Thread Anker Berg-Sonne

that
is stuck through a slit in the wing skin into the foam, and then glued to
the foam and skin. It stiffens the skin and bonds it to the foam, both of
which increase the resistance to buckling by about 50%. Several of us are
going to add riblets to the top skins of our wings, either as repairs, or
preemptively to hopefully prevent future buckling. The final results for
Saturday were Tom Kiesling in first place in expert, followed by Jeff
Steifel, John Hauff, Terry Luckenbach and Hans Wiederkehr. In Sportsman
Leszek Zyga was in first place, CRRC's only sportsman at the contest, Miner
Crary in second, followed by Chuck Robinette, Frank Strommer and Pete
Nicholson. The best placing CRRC expert was Mark Drela in 6th. Dave Walter
was right behind in 7th.

Sunday morning was just as hot but less breezy. I would say that the wind
only gusted to 15 MPH. Interestingly, there were lots of line breaks in the
first round, but after replacing some line sections, the rest of the day
was almost free of line breaks. It was also free of the carnage from the
day before. My flying was marginally better and I started and ended up in
the middle of the pack of experts. Gordon Stratton is in the process of
emptying his house of model airplanes showed up with a pile of free flight
and rubber planes, plus a large ARF that Fritz wants to convert into an
electric aerotow plane. It will be fun if we can start doing a bit of
aerotowing. After only 5 rounds of flying the contest was ended giving us
an early start home, hopefully beating the traffic. In expert Tom Kiesling
was in 1st place again, followed by Josh Glaab, Jeff Steifel, Mark Drela
and Luis Bustamante. In sportsman Leszek Zyga was in first place again,
followed by George Hill,, Bill Vida, Chuck Robinette, and Pete Nicholson.

The trip home was a breeze in light traffic, but I was so tired I was sound
asleep on the sofa at 8:30.

It doesn't read like fun, but it was. I really enjoy the company of the
CRRC gang and meeting old friends at the contests. Flying is great, and
doing well every now and then is more than enough to keep me coming.

Overall it was a smooth contest, as always well run by LISF. Good job John
Hauff, Paul Bell, Cathy and Richard.

Anker Berg-Sonne
[EMAIL PROTECTED]

Re: [RCSE] NATS Entries Look Good-Death to 2-meter

2005-06-29 Thread Anker Berg-Sonne

Friends don't let friends discuss already out-discussed topics on RCSE. 
This belongs with down-wind turns, counter-clockwise thermals, etc.


Anker

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RE: [RCSE] NATS or OSHKOSH?

2005-04-28 Thread Anker Berg-Sonne


The year I was at Oshkosh there were three crashes, two of which I 
witnessed. I would not camp anywhere near the end of a runway.

Anker 

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Re: [RCSE] Pretty Mantis Instructions?

2005-02-28 Thread Anker Berg-Sonne

Jim,
I have built a whole bunch of those.
I align it by resting the fuse in the building table on the wing saddle. I
then use scrap balsa pieces to hold the tail boom up so its completely
parallel with the table top. Side to side alignment is done by eye. I use
thickened epoxy to fill up the gap between the boom and the fuse and use a
rotating motion to work the thickened epoxy in. Make sure the tail boom is
as far enough in as the instructions specify. Once the thickened epoxy has
set I put a glass and wrap around the joint and I put a reinforcing piece
of glass and epoxy that goes around the bottom of the fuse and way up the
pod and around the wrapped joint. This is probably an overkill, but I once
has a tail boom yank loose and was only saved by the fact that my skeg was
screwed in through the fuse and the boom. I was wondering why I had to feed
in more and more up elevator trim all day!

Anker
At 10:37 AM 2/28/2005, Jim Prouty wrote:
Hi All,
I have a Pretty Mantis fuse now and noticed that it only comes with one
sheet of instructions that are pretty general. Does anyone have any
suggestions on how to install the tailboom? What do you use as a
reference to make sure the incidence is correct? Should I just use epoxy
to mount it or use a filler as well?

Any information would be greatly appreciated.
Happy flying,
Jim
www.jtmodels.com
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Re: [RCSE] Parts For Sale

2005-02-28 Thread Anker Berg-Sonne

Are you looking for a V-tail for a Sharon or a Sharon with a V-tail? If its 
the former, I have one that I'll probably never use.

Anker
At 12:40 PM 2/28/2005, [EMAIL PROTECTED] wrote:
I would also consider all of the below as a part of a trade towards a used 
or new Sharon V-Tail.

Two Standard Sharon Wing tips, white/lavender and set up for Hitec wing 
servos.
Fitted with custom spruce servo screw in mounts. Very, very good condition.
$200.00 the pair.

Two new V-Ultra v-tails with 3 pair of new elevators, 
yellow/blue.  $125.00 for
all.

Two Eclipse V- tails, white/red or white/blue. Very good 
condition.  $100.00 the
pair.

One V-ultra V-tail, white/blue, very good condition. $50.00.
Five V-ultra slip on nose cones, yellow, new, $10.00 or $40.00 for all. 
Regards, Dave Corven.
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RE: [RCSE] Digital photography (this is a bit long; don't read it if you're already bored :-))

2005-02-25 Thread Anker Berg-Sonne

Thanks Scott,
I understand the argument you put forward, BUT:
If I take a film camera with a 105mm lens and a DSLR with a 70mm lens and 
take the same picture with the two and produce full-frame, identically 
sized prints, then the two prints will be almost identical! To me this 
means that pictures takes with a 70mm lens on a DSLR takes look like 
pictures taken with a 105mm lens on a film camera.

Actually I look at this as more of a disadvantage than an advantage, 
because at the wide end my 18mm pictures look like 27mm pictures taken with 
a film camera.

Anker
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[RCSE] Digital photography

2005-02-24 Thread Anker Berg-Sonne

There was some discussion quite a while back about what cameras to use for 
digital photography of planes.

I recently purchased a Nikon D70 and have two lenses. The kit 18-70mm and a 
zoom tele 70-300mm - with digital you get the equivalent of 1.5 times the 
lens, so I really have from 35mm to 450mm. Anyway, the best thing about 
this camera is that when you press the button it takes a picture, no 
shutter delay. Even better, you can now get the camera with the kit lens 
for under a grand with mail in rebate.

Anker
Anker Berg-Sonne
[EMAIL PROTECTED] 

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Re: [RCSE] Need info on where to get Pretty Mantis Fuse

2005-02-13 Thread Anker Berg-Sonne

Terry luckenbach at [EMAIL PROTECTED] or alternately 
[EMAIL PROTECTED]

Anker
At 11:42 AM 2/13/2005, [EMAIL PROTECTED] wrote:
Hi All,
I've had a Mantis kit in the box for 4 years now and want to fly it this
season.  Does anyone know where I can get the Pretty Mantis fuselage?
Like to do that mod while making the plane.  Also plan to order the
X-tail from Phil.
Happy flying,
Jim
www.jtmodels.com
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Re: [RCSE] RC Soaring in Harrogate, UK

2005-01-30 Thread Anker Berg-Sonne

I used to own a business in Harrogate. There is an active glider club 
there, and they have a fantastic field. Harrogate is a beautiful town and 
you will enjoy your visit there. I do not know how to contact the club.

Anker
At 10:42 AM 1/30/2005, Grampy wrote:
Tom H. Nagel wrote:
Dear Grampy:
   I am following up on your message about a trip to Harrogate, UK.  I edit
a column for RCSoaring Digest called Have Sailplane, Will Travel.   You
can check it out at the B2streamlines.com website---although the column does
not appear in every issue.
   In any event, if you might be inclined to take notes, gather travel data
and write a short article, I would be glad to help you edit it into shape
for RCSoaring Digest.I can send you samples of past columns and a sort
of cheat sheet.   Hope to hear from you!
- Original Message - From: Grampy [EMAIL PROTECTED]
To: soaring@airage.com
Sent: Saturday, January 29, 2005 1:32 PM
Subject: [RCSE] RC Soaring in Harrogate, UK


I will be visiting family in Harrogate, UK, in March of this year.  Are
there rc gliders being flown there at that time of year.  If so, please
let me know where and a local contact if possible.
Thanks Tom,
I'll check this out.
--
Grampy
Owensboro, Ky
***
Broad-minded is just another way of saying a fellow is too lazy to form 
an opinion. Will Rogers 1879-1935

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RE: [RCSE] Carbon fiber reinforced spars

2005-01-24 Thread Anker Berg-Sonne

A word of warning Douglas.
Carbon fiber dust is a very bad substance to get into your lungs. When you
cut it with a dremel you should, at a minimum, be wearing a filter that
prevents the dust from entering your lungs. At best, you should be doing it
in an environment that doesn't leave the dust all over your floor and
workbench. Vacuuming the dust off your floor and workbench isn't a good
idea either, for obvious reasons.

Anker
At 10:53 AM 1/24/2005, Douglas, Brent wrote:
There's another carbon product you might consider - Jim Marske* sells
Graphlite, a very high modulus carbon (rod, rectangle). I had a scale
builder recommend it, and it's pretty great. I bought a roll of it
(like working with spring steel), and I've been using it for a couple
years now.
Cuts with a dremel, doesn't require any prep before bonding. You could
use this in place of your spar, just add a good web and wrap along the
length with kevlar or dental floss. Also, since it's so
'unidirectional', it splits very easily with a chisel for smaller spars.
This may not help you here because of the size difference (difficulty in
matching to the notches in your ribs), but it's a good thing to keep in
mind for later. It's relatively cheap, too - I bought a 100 foot roll
for around 80 bucks.
Good luck,
Brent
* home built sailplane manufacturer
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Re: [RCSE] High Altitude Glider/off subject

2005-01-18 Thread Anker Berg-Sonne

The Picolario calibrates itself to ground level, and all altitudes reported
are relative to where it was switched on.

Anker
At 08:47 AM 1/18/2005, Ben Diss wrote:
Anyone know the ground elevation in this area?
[EMAIL PROTECTED] wrote:
I was there, its true, as I heard the Altimeter (Picolario) report back !
It was a good weekend for the New Nats Schedule.
IMOHO
--
Jack Strother
Granger, IN
LSF 2948
LSF Level V #117
LSF Official 1996 - 2004
CSS Gold

-- Original message --
On 1/17/05 17:51 Johnny Berlin wrote:

3999 ft. 2004 Nats cross contry scale.. Pegasus tow plane

I wish I had your eyes. Assuming no slant range on the plane,
that is like
looking at a 1/4-inch line from 10 feet away. And that would be the
wingspan!!
~~~
Bill Malvey

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RE: [RCSE] National Postal Fun Fly , Woodys only, New Years Day

2004-12-31 Thread Anker Berg-Sonne

Tomorrow looks a little dicey for my Oly II. It is forecasted to be blowing
about 16 MPH in Central Maine, but the temperature will be tolerable and the
sun will be shining, so I'll launch it at least once so I can say I
participated.

Happy New Year to you all/Anker

-Original Message-
From: Ray Hayes [mailto:[EMAIL PROTECTED] 
Sent: Friday, December 31, 2004 7:41 PM
To: [EMAIL PROTECTED]; soaring@airage.com
Subject: [RCSE] National Postal Fun Fly , Woodys only, New Years Day

Wishing you all Happy New Year and good health in 2005.

Looks like the country is about evenly split between the guys enlisted to
fly in the cold, wet side and those on the sunny side of the USA.  It's all
about fun and I have just finished installing the rc in my Astro Jeff that I
haven't flown in years, it was built in 1973 by a gentleman in Omaha,
Nebraska.  He flew it in the 1974 Soar Nats and the mono is still tight.

Entry list and rules url below,  if you fly but haven't registered, no
problem, just email your scores by the Jan 2 deadline.  Hope I receive lots
of photos and that everyone has a good time.

http://www.skybench.com/woodcraft/2005/postal.html

Ray Hayes
http://www.skybench.com
Home of Wood Crafters


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[RCSE] Picolario and Stylus

2004-12-26 Thread Anker Berg-Sonne









Thanks to everyone for all the responses. Very much
appreciated, since the stylus mixing scheme is still a mystery to me. I had a
MicroPro 8000, and quickly figured out how to use its mixers, but the Stylus is
another story.



Now if that snow would end so I could give it a test fly!



Happy New Year to you all!



Anker

RE: [RCSE] Synth Combos

2004-12-26 Thread Anker Berg-Sonne

Dave,

I have been flying Seeker IIs is my TD gliders for 2 seasons now with no
problems whatsoever. On the transmitter end I have used the Stylus module,
and a Hitec Synthesizer module with the Stylus adapter. All combinations
have been rock solid. Now that I have a Picolario I can see whether it
receives any interference.

To get the Seeker to fit in my Luckenbach fuses I have had to remove the
cases and wrap the boards in electrical tape.

Anker

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Sunday, December 26, 2004 11:04 AM
To: Soaring@airage.com
Subject: [RCSE] Synth Combos

Thanks for the info (on and off list) supplied on the Futaba Tx (9C/CS)  
module that appears to soon be available. Comments regarding freq setting
and  
switches are highly appropriate and will require caution and attention as
this  
type of technology becomes more routinely available. In the near term, The
best 
 approach (for me) is to have ~ 4-6 or so Rx Xtals that will reduce the  
probability of using a crowded frequency when traveling. That keeps my
stable of  
reliable M5s, Fut148s, etc. in business

Long term, a synthesized Rx seems  a logical solution. Most of these are 
pretty high end and appear to be PCM. One  that appears to be in the
'everyday' 
price range and has an interesting  frequency lock (and remember) feature,
and 
is also PPM and auto-shift and  channel selectable, is from Polk's (Seeker
II):

http://polkshobby.site.yahoo.net/seekerii.html

Is anyone using  this unit for TD or other contest related soaring apps that

might potentially  encounter adjacent channel or harmonic interference 
problems? Any suggestions or  precautions with this approach and vendor?

Polk's has a long history and  seems to be a good supplier but I have no 
interaction with anyone that's used  this equipment and would appreciate any

opinions. I'll probably take this  approach and do a product review at some
time 
but wanted to see if this was  something that has already been evaluated.

There have been a number of  comments about keeping a low profile on 
frequency synthesizers. Well, having run  a long career in technology, that
isn't 
going to work. I think this type of  approach is coming and will become much
more 
widespread in the next few years.  Price and availability is a big obstacle 
right now but that's changing. If I can  buy a multichannel Tx module for
about 
the price of a dedicated single channel  unit, why do I want to buy the 
latter? Functionality and safety are the  restrictions. If mfrs. are
starting to 
handle the first, how do we handle the  second? Early users are going to
take a 
few knocks but that helps define the  opportunities for others.

There are some interesting advantages to the  synth approach. What are we as

end users going to do to ensure this technology  is deployed with the best 
safeguards for all pilots?

Seems like an  appropriate opportunity/challenge for the New Year. 

TIA for any  advice/comments,

- Dave R
 
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[RCSE] Picilario and Stylus

2004-12-25 Thread Anker Berg-Sonne









Santa gave me a Picolario and installing it in a glider
controlled by a Stylus has me partially stumped. The Picolario needs to be
installed on a receiver channel that can have three positions, +100%, neutral
and -100%, either proportional or a three-position switch. I cant find a
way to control channel 7 or 8 (spoiler and gear) with a three position switch. Any
of you Stylus gurus out there able to give me advice?



Worst case Ill install it on the rudder channel with
a Y connector. Not perfect, but workable.



Anker

[RCSE] Satisfaction from the Futaba Service Center

2004-12-22 Thread Anker Berg-Sonne









I have received an email from the manager of the Futaba Service
 Center in which he
expresses regret at the treatment I received when I tried to have them deal
with serious product deficiencies in their 5 channel PCM radios back in the 90s.
I have also received an explanation of why this is unlikely to happen in the
future.



Recognition of the problem and a desire to set it straight
is what I have been looking for all the time. Now that I have it, Futaba is
back on my buy-list.



Happy Holidays to you all!



Anker

RE: [RCSE] New Airtronics Digital Wing Servo

2004-12-15 Thread Anker Berg-Sonne









Id love to see a servo with the
same reliability and performance as the DS 368 at 2/3 of the price. It is quite
a blow to pay $300 for four wing servos. $200 is almost at the point where the
wife doesnt notice.



Anker











From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] 
Sent: Wednesday, December 15, 2004
9:17 AM
To: [EMAIL PROTECTED]
Subject: [RCSE] New Airtronics
Digital Wing Servo 






I thought I would give you guys a heads up, the new Digital Wing Servo from
Airtronics is now a reality. Sanwa was a little slow to realize the need
for a competitive wing servo. JR , Futaba, and Volz all have top of the line
wing servos, my favorite is the JR DS 368. I got 4 of the new servos to test,
and have them installed in my Starlight 3000 Xtail. The servo is about the same
size as the DS368, just a little thinner, and features case lugs for either top
or side mounting. Torque specs and holding power are equivalent to the DS368.
The servo has a very nice feel to it with no servo arm rock and a good gear
mesh with minimal play. So far speed and centering are very good, I plan
on thorough testing with this model and will get back to you on how they
hold up. The servo will be available in early 2005 with a street price around
$53.00. Best regards and Happy Holidays to my Soaring Buds around the
World Larry Jolly I included a pictures at my web site:

http://www.ljmp.com/servo/Servo1.jpg

http://www.ljmp.com/servo/Servo2.jpg

RE: [RCSE] Releasing surfaces in a foam / obechi wing

2004-12-15 Thread Anker Berg-Sonne

Why not cap with glass? Its so thin you don't have to worry about sanding
back, and its also easier to apply.

My technique is to lay glass on a glass plate, saturate it with epoxy, blot
the excess out and then let it cure. This gives me a beautiful thin sheet
that I can cut strips out of to cap the surfaces. Make sure you wax the
glass plate first!

Anker

-Original Message-
From: Thomas Koszuta [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, December 15, 2004 1:00 PM
To: RCSE
Subject: Re: [RCSE] Releasing surfaces in a foam / obechi wing

Doug,

I contemplated this myself on a two meter that is getting flaps.  I 
eventually decided on a sharp Exacto knife and a straight edge.  I carefully

marked and carefully cut the obechi and foam from both sides.  I now have to

sand the flaps down to create the clearance for the caps in the foam 
edges.  I am planning in capping with obechi (if I have not tossed all of my

scraps) or 1/32 balsa (if I have tossed all the obechi scraps).

I believe I did the same thing on my 10 foot, full house wings.  There I

had more flexibility because I used 1/8 hard balsa as my main cap strips. 
Of course, I had to make extra cuts to remove the extra 1/8 from the wing 
and flaps.

I thought about scroll sawing it, but did not really care for the idea 
of putting my wings near a power cutting device.

FWIW, my flaps were 1-1/2 by 15 and came out pretty good.

Tom Koszuta
Western New York Sailplane and Electric Flyers
Buffalo, NY


- Original Message - 
From: Douglas, Brent [EMAIL PROTECTED]
To: RCSE [EMAIL PROTECTED]
Sent: Tuesday, December 14, 2004 1:30 PM
Subject: [RCSE] Releasing surfaces in a foam / obechi wing


I'm looking for suggestions before I try this - I am slowly working
towards finishing a large obechi wing, and I want to release the
trailing edge - eg, make the 3 control surfaces.

I used a dremel cutoff to clean up the trailing edge, and I was
considering using it again with router bit, after blocking off a fence
on the wing for a guide.  I want a fairly wide gap; I envision using a
balsa cap on both sides to protect the foam, give me a cup and socket
effect..

Any successful methods someone could share?  I've got a lot of time in
this project, and I don't want to make any old mistakes.

Thanks,
Brent

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RE: [RCSE] Fut 14MZ - Same old revolutionary Multiplex ideas

2004-12-14 Thread Anker Berg-Sonne

I'll bash Futaba mercilessly until they demonstrate to me that they are
capable of delivering decent customer service! They owe me an apology and
restitution for the stunt they pulled on me and their subsequent behavior.
When they do, if they ever do, I'll give them credit for it. Until then I'll
hammer them because no company with bad customer service deserves to exist!
It doesn't matter how good the stuff is, if there's a problem, a good
company deals with the problem and takes care of its customers.

So they give you free stuff! Obviously they think that's great PR and you
are going to tell the world how great they are. You can tell them that I am
bad-mouthing them because of a horrible customer service experience and if
you point them to me I'll be happy to tell them again. My friend John, who
bought three of the crappy, useless pieces of junk from them deserves to be
treated well too, as does every customer who spent money on radio systems
that didn't work and couldn't be made to work! I still have the useless
radios, and they are the only ones I had to stop using because they were
crap and killed planes. Even my old Tower Hobbies Gold radio got used until
it wore out.

Anker

-Original Message-
From: Darwin N. Barrie [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, December 14, 2004 3:09 PM
To: Mike Shellim; [EMAIL PROTECTED]
Subject: Re: [RCSE] Fut 14MZ - Same old revolutionary Multiplex ideas

Okay, I can't take it anymore. Futaba comes out with a new radio that
utilizes excellent technology with many new features and everyone is bashing
it.

First of all, there are only a few people in the US that really know what
this system is capable of doing.  Second, the seven wing types are those
that are in standard templates. Keep in mind all channels are fully mixable
and you can do anything you want. Third, as has been said many times,
Windows does not control the flight system only the ancillary stuff.

Now, I will be willing to bet that Multiplex, Airtronics and JR will be
coming out with a new super radio before long. If Multiplex would have put
the 4000 in a US type case and made the programming easier I think it would
have caught on.

If this new system WAS from Multiplex or Airtronics most would have shorted
out their keyboards from wetting themselves.

I've got one of these coming and am confident it will be everything it is
supposed to be and more. In the meantime I believe it would be prudent not
to bash until we know more about it.

Darwin N. Barrie
Chandler AZ
Team Futaba
- Original Message - 
From: Mike Shellim [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, December 14, 2004 11:05 AM
Subject: [RCSE] Fut 14MZ - Same old revolutionary Multiplex ideas


  WOW factor alone would be worth it.

 With all that computing power and memory, what a wonderful opportunity for
 Futaba to develop a truly unlimited architecture like the 4000, married to
a
 truly elegant easy-to-use interface. However the blurb mentions 'supports
7
 wing types' (groan!), which at a stroke indicates that the architecture is
 essentially knobbled - if a little less knobbled than last years model.

 As regards the programming interface, am I the only one to be underwhelmed
 by screen shots on Jason.net?

 http://www.jason.net/heli/helimain.htm

 Look closely, and there doesn't appear to be any clever thinking as far as
 the UI is concerned. The servo ATV, subtrim and rate adjustments are all
 scattered among different menus and the screens look as if they've been
 designed by a graphically challenged committee (read 'awful'). Even the
 relatively cheap Evo which manages to integrate all the servo adjustments
in
 a simple, attractive screen.

 I fear that once the chrome and froth are stripped away, the genuine
 innovation lies in the transmission system and 14 fast response channels,
 which although technically interesting, are not of great use to the F3X
 flyer.

 Mike


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[RCSE] Why I will not buy from Futaba

2004-12-09 Thread Anker Berg-Sonne









A short tale explaining why I will not buy Futaba gear, no
matter how good it is.



In the early 90s Futaba introduced what looked like a
fabulous value, a five-channel PCM radio that cost close to $250. I bought two,
and another member of our club bought three. Everything was fine until we
started experiencing strange crashes. Finally we realized that the PCM receivers
were incredibly susceptible to 3IM interference and we were able to reliably
demonstrate that given the right channel separation you were guaranteed to get
shot down. The catch was that the transmitter ONLY supported this one receiver,
which was so bad that it was ill advised to put in any plane you wanted to
keep.



I and the other member tried to talk to Futaba about the
problem and ran into no sympathy, empathy or interest in discussing our
problem. The standard response was that the radio was Gold stickered,
and therefore there was nothing wrong with it. The direct rudeness and
carelessness of Futaba employees was unbelievable. We had to retire the radios
and swore never, ever to give that company any of our hard-earned money in the
future.



I still have the radios and plan to use them in a
transmitter toss in front of as many other RC fliers as I can.



Anker

RE: [RCSE] Who are Frank, Bob, and Jack

2004-12-07 Thread Anker Berg-Sonne

Get the names right!

Frank Weston
Jack Cash
Bob Champine

All guys I have had the privilege to know through the ESL.

Anker

-Original Message-
From: Brian Smith [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, December 07, 2004 7:35 AM
To: [EMAIL PROTECTED]
Subject: Re: [RCSE] Who are Frank, Bob, and Jack

My Guess is Frank Weston, Jack Cask, and maybe Bob Champaign...Just a guess,
but the Magic name, and time frame, makes that sound right...Brian


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RE: [RCSE] Magic Airfoil

2004-11-29 Thread Anker Berg-Sonne

Frank,

It's a proprietary airfoil created by Frank Weston.

Anker

-Original Message-
From: Lighthorse [mailto:[EMAIL PROTECTED] 
Sent: Monday, November 29, 2004 3:17 PM
To: [EMAIL PROTECTED]
Subject: [RCSE] Magic Airfoil

Does anyone know what the airfoil of the Magic is?

Ken
York County Soaring
Lighthorse Team YCS
Silence is Golden

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RE: [RCSE] RE: WTB Redline Sky DVD

2004-11-26 Thread Anker Berg-Sonne

I think this rant could be unwarranted. He didn't ask someone to copy a DVD!
He was asking for the original, which the purchaser has every right in the
world to give away or resell.

Happy Holidays to you all!

Anker

-Original Message-
From: Nathan Woods [mailto:[EMAIL PROTECTED] 
Sent: Friday, November 26, 2004 1:31 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: [RCSE] RE: WTB Redline Sky DVD

Kristopher, I've got chime in here with my opinion on this.  You might
casually spend $50 or more on a servo, but you don't want to spend $25
on a video that takes well over a hundred hours to film, edit, narrate,
score, design cover art for, package, and then building the website(s)
and distribution chain to make it all available?

Do you ever want to see more videos produced  Support your hobby!
Buy the darn thing outright.

They are available from Paul directly at:
http://www.radiocarbonart.com/ or from SoaringUSA at:
http://www.soaringusa.com/products/videos.htm

I am thankful to all the vendors out there, who support my hobby despite
the difficulties.  Thanks for your hard work.
Okay, sorry for the rant.  Have a good Thanksgiving weekend.  

Cheers,

Nathan Woods
-
Date: Fri, 26 Nov 2004 11:27:15 -0600
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: WTB Redline Sky DVD
Message-ID: [EMAIL PROTECTED]

Anyone have Redline Sky on DVD that they are no longer using?

Kristopher

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[RCSE] Heli card traded for glider card

2004-11-22 Thread Anker Berg-Sonne









I have two styli with glider cards. I would like to trade
one of the glider cards for a heli card. Any takers?



Anker

RE: [RCSE] The Zoom?

2004-10-20 Thread Anker Berg-Sonne

Mark,

What has been written is good, but not complete.

To execute a good zoom, you have to understand how it works.

As you launch, you want to maximize the energy stored in three reservoirs:
Kinetic energy (speed), Potential energy (height), and energy stored in the
winch line (elastic storage). The proper place to zoom is when the sum of
the three reservoirs reaches their maximum. This is obviously hard to gauge,
and varies, depending on the plane, the winch line, the winch, the battery,
the wind, temperature, your throw, tow hook position, winch pedal operation,
elevator and camber trim, manually held elevator, your ability to track
straight up, etc., etc., etc.. Many of these are variable and change the
ideal zoom point. The most common mistakes are:

A) Staying on the line too long, sometimes even overshooting the turnaround.
When you stay on the line too far the winch just pulls the plane towards the
ground.
B) Not applying manual up elevator during the later part of the tow. This
prevents you from applying maximum stretch to the winch line. Of course, you
don't want to break your plane or the winch line.
C) Not throwing properly, using battery energy to bring the plane up to
flying speed.

Assuming you have reached the optimum zoom point, you want to convert two of
the reservoirs: kinetic and elastic storage, into potential energy (height).
You do this by pointing the nose and letting the winch line convert its
elastic energy into kinetic energy. As soon as all the energy has been
transferred, you need to come off the line and point the nose straight up to
most efficiently convert kinetic into potential energy. The most common
mistakes are:

A) Zooming much too deeply. The drag bleeds off your kinetic energy. The
stretch is only about 10 to 20 feet on a typical launch, and most flyers
zoom 50 feet or more.
B) Zooming down and up at too shallow angles. Too much energy is lost to
drag.

As you can see, there is a lot to the tow and the zoom, more enough for the
article I will write this winter. Because of the many variables you have to
figure out exactly what is optimal for your configuration, but an
understanding of what is going on it vital.

Good luck/Anker


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[RCSE] ESL End of Season Contest Report

2004-10-06 Thread Anker Berg-Sonne

This was one of the best contests I have ever participated in. Why? For one,
the ESL standings were wide open both in Sportsman and Expert classes.
Secondly, the two contest days were as different as you can imagine.
Thirdly, the competition was intense, with some of the top pilots in the
country setting the standard.

For me, it didnt start out well at all. Half an hour into the 6 hour trip
from home, I realized that I had forgotten to load the ESL scores and
scoring software on my laptop There was no choice but to turn around and get
it, which put us smack into New York City and surroundings rush hour, once
we got going again. I will not share the pain, except to say that we were in
the van for 9 ½ hours before arriving in Reading, PA. Dave Walter deserves a
lot of credit for not whining about it.

Saturday was forecasted to have early rain followed by severe thunderstorms,
not good. Arriving at the field it looked like they were going to be right.
The sky was leaden and there was a breeze blowing straight down the winch
lines. The CD, Tom Kiesling, had overslept and had called ahead with the
tasks, before testing how fast you drive on the Pennsylvania Turnpike
without getting caught. He had it just in time to complete the first task
and immediately fly the second. The first round was 6 minutes, which turned
out to be no problem for most pilots in spite of the dead air and downwind
launches. The rest of the tasks were 9 minutes, which was much harder. The
conditions didnt change all day, no rain and no thunderstorms, but gray
skies and a breeze blowing straight down the winch lines. Landings were 5
foot graduated landing tapes with a 50 point maximum. Because of the wind
direction and the winch lines, we had to land up hill and down wind, which
made the landings extremely difficult. To make your time you had to look
wide and far for the minimal lift conditions. Ability to cruise efficiently,
recognize light lift and work it well was rewarded. Any mistake in any of
these areas resulted in missing your times by a couple of minutes.

I only made my times 4 out of the 8 rounds and decided to work on my
launches, which the day was perfect for. I gradually dialed more and more up
elevator into my presets and was able to greatly improve my launch height.
At the end of the day I was really happy with them. It was interesting to
see how many had read my recent article on throwing and were working on
their technique.

Out of the CRRC team present (Fritz Bien, Jose Bruzual, Jan Kansky, Bruce
Schneider, Dave Walter and me), Dave was the first to drop in the standings.
His Esprit simply isnt the ship for these conditions. The rest of us flew
Aegeas and Manti and couldnt blame our planes. Jan Kansky and Jose Bruzual
did OK, finishing in 4th and 7th place. The big winner of the day was Josh
Glaab, who was the only flyer to make every time and most landings, simply
awesome. Rick Brown made second, Phil Barnes 3rd, Jan Kansky 4th and Tom
Kiesling 5th. Out of 35 flyers, only 6 got within 90% of Joshs score. The
top Sportsman, Luis Bustamante, flew an awesome day and made 7th overall.
Luis and Bruce Schneider were both contenders for Sportsman of the Year, and
Bruce would have to win big Sunday to take the prize. 2nd place was Kerry
Cochrell, 3rd Gary Atkinson, 4th George Hill and Leszek Zyga in 5th.

Our evening meal was at the local steak house, Stoppers, where I had a Holy
Cow steak to console myself for ending up in 17th place in Expert and 19th
overall. 

Sunday was forecasted to be sunny with a light breeze out of the NW. It was
sunny, but the wind started out of the East, never shifted and just dropped
throughout the day, so we had to contend with downwind launches and uphill
landings. But the lift was simply awesome. Even the first, 7 minute, round
had booming lift,, and 29 out of 36 pilots made their times. The rest of the
day we had 10 minute tasks, which almost everybody also made. There were a
few down cycles, but most of the time the first pilot to launch, usually Tom
Kiesling, would find lift right away, and the rest of the group would simply
fly over and join him. This made for a busy day because everybody would be
out flying or timing for 10 minutes, and then switch roles, fly for 10
minutes, and then the next round would start. It also resulted in some
impressive gaggles of planes, birds, spider webs, and garbage trucks
circling in the same lift. We didnt have any mid-airs as far as I observed,
but we had one pilot fly the wrong plane and crash in the woods. Phil Barnes
managed to hook the retriever line again, but didnt break anything this
time.

Going into the last round on Sunday Phil Barnes held the lead over Tom
Kiesling by 4 points!  Extremely close.  Tom flew early in the final round
and registered  a perfect flight!  10:00 and 50 point landing.  Going into
Phil's final flight he knew he had to get a 50 point landing and not be off
time by more than three seconds!  Talk about pressure.  Phil

[RCSE] Launch technique

2004-09-29 Thread Anker Berg-Sonne









Jose Bruzual has just published a small article I wrote on
winch launching. The URL is



http://flyesl.com/News-y-Articles/featured_article.asp?FORUM_ID=7TOPIC_ID=112




I am sharing this because I se desperately little advice on
this, and an awful lot of people with horrible launch techniques.



Id appreciate some feedback from the really great
launchers here, like Mike Lachowshi and Joe Wurtz.



Anker

RE: [RCSE] Contests, Landings, etc.

2004-09-27 Thread Anker Berg-Sonne

Great points, Daryl,

The ESL seems to be slowly moving towards 5 foot, 50 point landing tapes.
They are relatively difficult, but the points are small enough to avoid
making it a landing contest. This is especially true with the tasks
tending to get longer and longer. These days a 7 minute task is pretty
easy where it would have been pretty hard 15 years ago. Flying 10 to 15
minute tasks nowadays is not that rare.

Anker

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[RCSE] LISF Fall contest report

2004-09-27 Thread Anker Berg-Sonne

A fairly small group made the second trek this year to Syossett, Long
Island, for the LISF Fall contest: David Walter, Lost Bruzual, Mark Drela,
Bruce Schneider and Yours Truly. Fritz Bien was committed to a wedding, Jeff
Newcum has left the hobby and sold all his planes, Jan Kansky had messed up
his schedule, John Nilsson is out rooting for Kerry, and Miner Crary must
have decided not to visit his relatives in NY. They missed out on a great
contest.
 
The forecast was for light winds, temperatures in the 70s and partly cloudy
conditions, which turned out to be pretty close.
 
Saturdays briefing followed the standard, tough, LISF script: Man-on-man,
Experts against Experts, Sportsmen against Sportsmen, no field boundaries
(but good luck finding your plane in the woods), you get sent home in
disgrace if you land in the near-by soccer fields, one pop-off in the first
round for experts, and after that fly it out, sportsmen got one pop-off
per day, line breaks would result in public humiliation, landings 5 foot
graduated tapes, 50 points max.
 
Round 1 was a 7 minute round, and after that we flew 8 minute rounds with a
final one of 15 minutes. The first two rounds were quite challenging with
broad and very light lift. Mark Drelas Supra and Marks fingers performed
superbly in these early rounds. I am dying to get my hands on a 48 oz, 130
ship, but I know I dont have the skill, patience, etc. to build one from
scratch. The rest of the rounds we had slightly better lift, but it never
boomed, and you really had to work at getting your times. Pop-off were very
infrequent, I believe limited to Sportsmen, and there was just one line
break, which resulted in the promised public humiliation of Tony Guide. The
last round really helped spread the scores, which had been quite close
through the day. After the last round we were told that a problem with the
scoring program prevented scores from being posted, but we were promised
final results the next day. After staying up late that night, the scores
were straightened out and were as follows: Tom Kiesling took first, followed
by our David Walter, then Phil Barnes, John Jenks and just out of the wood,
me. Jose made 7th, and Mark Drela was dead last in Expert. In Sportsman
Leszek Zyga took first, Luis Bustamante second, our Bruce Schneider 3rd and
Fred Tyra 4th. Toms performance needs no comment. Dave Walter continues to
prove the point that a good pilot with a familiar plane has a strong edge.
In these conditions a heavy plane with a 7037 airfoil should be outclassed
by Aegeas and Supras, but Dave can fly any conditions and place at the top,
I got what I deserved, but I wonder what happened to Jose and especially
Mark. Jose is flying his MH-32 Mantis really well, and I thought Mark was
right up with the winners. It is hard to keep up with what is going on at a
Man-on-Man contest, especially of you have equipment problems. I was plagued
all weekend by failing wiring and was thoroughly chastised by a helpful
group of bystanders for my lack of shrinkwrap over my solder joints. The
only interesting incident was when one of the sportsmens Manti lost a
tail on launch.
 
Sundays briefing was same as yesterday, but with 10 minute rounds all
day. The first round was flown with a thin cloud cover, but that quickly
burned off and we had blue skies the rest of the day. Both the first and
second rounds had very light lift, but after that we had boomers. At times
the lift would be as good as I have ever experienced. At low altitude you
had to locate the lift, but once you got to altitude the 10 minutes would be
no problem. This actually made the 10 minute tasks bad. If you missed
the thermals in one round you got buried so deep you couldnt climb out, AND
when you caught it, the flying got really boring. Dave Walter became victim
to this in the last round. He had been doing great, as usual, and in the
last round it was Tom Kiesling, Dave, myself and Tony Guide. Tom launched
first and took off in a bee-line. Tony launched and followed Tom. Dave then
launched and decided to find his own air because Tom is a very hard person
to follow  by the time he reaches the thermal we normally have lost too
much altitude to catch it. I was lucky, because Tom found a great thermal
before I had come off the zoom. So all I had to do was to fly over and join
Tom and Tony. Poor Dave was slammed into the ground and ended up in the
middle of the contest results. One bad move, and out of the running. The
same happened to Mark Drela, on top all day and then one bad final flight.
For entertainment we had Paul Bell, the CD, loose radio contact with his
plane and get more upset than I have ever seen him before. He is going to
have to buy a new antenna. The CD from Saturday, John Hauff, managed to pull
the wing hold-down block out on launch and try to spear the guy at the
turnarounds, and Tom landed his plane in the woods, but did not loose his
time because of the absence of field

RE: [RCSE] New radios puzzling.

2004-09-22 Thread Anker Berg-Sonne

I am surprised that this long discussion hasn't mentioned synthesized RF
decks at all! I am fully synthesized on both the transmitter and receiver
side and will not contemplate any radio that doesn't provide ALL channels in
a synthesized RF deck. To me, this is the most serious deficiency of the
9203.

Anker

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RE: [RCSE] Re: 2005 F3J Team Selections

2004-09-16 Thread Anker Berg-Sonne









We should also consider the positive effects
that a team selection has on the local area. It serves to raise the interest in
the local soaring community in raising their skills to the national level, and
it serves as a recruitment vehicle to the hobby. The latter effect is maybe not
huge, but over the long term it is not insignificant. Proof in point is the F3J
team selection 5 years ago in Long Island. This team selection raised the
involvement of the Right Coast in national competition.



My argument is that we serve our hobby
best if we move the team selections around the country.



At the same time I do appreciate the
amount of organization and work involved in a team selection, having scored the
F3J selection in Long Island, AND I appreciate the need to make it as
convenient as possible for the participants.



So lets see who applies, and then decide
where they should be held based on the overall merits of the applications. It
is unfair to decide up front that it must be held on the Left Coast.



Anker

RE: [RCSE] Antenna Info

2004-08-13 Thread Anker Berg-Sonne

Because of a lack of shielding in most RC transmitters you don't really know
how long the antenna really is. The real length includes the base that
goes into the transmitter, sometimes all the way to the bottom, and also the
wire from the RF deck to the antenna. The only way to tune the antenna
length is to use a SWR (standing wave reflection) meter, which requires
rewiring of the transmitter. Since all current transmitters have more than
enough transmitted power to control the plane within sight there really
isn't a reason to go to all this effort.

Anker

-Original Message-
From: Bryan Becker [mailto:[EMAIL PROTECTED] 
Sent: Friday, August 13, 2004 3:42 PM
To: [EMAIL PROTECTED]
Subject: RE: [RCSE] Antenna Info


Simon,

Is there an easy way to tune your antenna length, once you have installed
your RX in your model?

--Bryan

-Original Message-
From: Simon Van Leeuwen [mailto:[EMAIL PROTECTED]
Sent: Friday, August 13, 2004 1:34 PM
To: Jared
Cc: [EMAIL PROTECTED]
Subject: RE: [RCSE] Antenna Info


Just to be clear here, longer is not better. Take 72MHZ, a frequency that is
resonant at ~4 meters. This equals lambda, therefore 1/4lambda is ~1 meter.

In order for an antenna to be resonant, it must be close to these values in
length. changes in length either way (longer or shroter) produce the same
losses.

Quoting Jared [EMAIL PROTECTED]:

 Thanks for everyone's replies!  I think I'm going to do a little more
 digging about building antennas before I start on this.

 Bill - the only way that I could see to make a longer antenna less
effective
 than a shorter one is to have it tuned out of the wavelength...or to have
a
 unidirectional antenna pointed the wrong way ;)  But I do agree that in
 general longer = better.

 Again thanks to everyone for their replies!

 Jared

 -Original Message-
 From: Bill Swingle [mailto:[EMAIL PROTECTED]
 Sent: Friday, August 13, 2004 1:50 PM
 To: Albert E. Wedworth; Jared; [EMAIL PROTECTED]
 Cc: [EMAIL PROTECTED]
 Subject: Re: [RCSE] Antenna Info

 I have always had great sucess with R/C Direct products..


 Please understand; I was not commenting on R/C Direct products
specifically.

 But, in my experience. Most any antenna designed to be shorter than the
 factory monopole will Decrease signal. The R/C site agrees with this and
 claims a minimum range reduction. No surprise here.

 I was merely trying to headoff the folks who have in the past touted a few
 antennas that are better than stock. It was just sales baloney and I'd
hate
 for folks to be misled again. Smaller equals worser; doesn't have to be
that
 way. But, that's just how it tends to be. I'd love to find an exception.

 Bill Swingle



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Radius Systems
Cogito Ergo Zoom

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RE: [RCSE] Repairing molded wingtips

2003-12-08 Thread Anker Berg-Sonne

Paul,

You also have cracks in the skin and damage to the glass structure. Your
main problem is that there is zero strength in your tips and just smoothing
it over won't change that fact. I would start by filling the creases with
microballons and epoxy. Then I'd sand it smooth. The next step would be to
add 2 oz glass over the damaged area, blot up as much as the excess epoxy as
possible. Finally I would spray primer over the damaged area, sand it smooth
and finally paint it. 

Anker

-Original Message-
From: Paul Ferradas [mailto:[EMAIL PROTECTED] 
Sent: Monday, December 08, 2003 1:05 PM
To: [EMAIL PROTECTED]
Subject: [RCSE] Repairing molded wingtips

I had a nasty fall on my wing tips and now I need to
repair them. I have sanded down to the glass layer, I
would like to fill in the creases with something that
I can sand out smooth that will eliminate the creases.
What should I use? I was thinking of light weight
spackle, will this work? Any other suggestions?

Here is the picture:

http://www.rcgroups.com/forums/showthread.php?s=threadid=176705


Thanks,

Paul



__
Do you Yahoo!?
New Yahoo! Photos - easier uploading and sharing.
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RE: [RCSE] Balsa Trailing Edge

2003-11-17 Thread Anker Berg-Sonne

Soak the warp in ammmonia (Windex) and holding the correct shape until it is
completely dry.

Anker

-Original Message-
From: juster1 [mailto:[EMAIL PROTECTED] 
Sent: Monday, November 17, 2003 11:05 AM
To: [EMAIL PROTECTED]
Subject: [RCSE] Balsa Trailing Edge

Anyone know the best way to take out an S turn warp on the trailing edge
of a 99 wing.  The trailing edge is balsa attached to the wing ribs.  I
know I can cut it out, but there must be an easier way

Kirk from Modesto

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Re: [RCSE] Model Rockets on Discovery Channel

2003-11-11 Thread Anker Berg-Sonne




Thursday the 13th at 8PM and 11PM EST. I'm taping 
it.

Anker

  - Original Message - 
  From: 
  GRW 

  To: [EMAIL PROTECTED] 
  Sent: Tuesday, November 11, 2003 2:52 
  AM
  Subject: Re: [RCSE] Model Rockets on 
  Discovery Channel
  
  Does anyone know if they are going to replay this show?
  
  Didn'tAeroTech put out a rocket assisted glider a few years back 
  called the Phoenix?--Glenn W.Tri-Cities, Wa
  
  
  Do you Yahoo!?Protect 
  your identity with Yahoo! Mail AddressGuard

Re: [RCSE] Winch Line!

2003-10-02 Thread Anker Berg-Sonne

Andrew,

Just checked your web site and I love that knot. I'm also impressed with the
quality of winch lines you Canadians use!

Anker
- Original Message - 
From: Andrew E. Mileski [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, October 02, 2003 12:52 PM
Subject: Re: [RCSE] Winch Line!

 Rick Eckel wrote:
  And lets not forget the knots.  Its often not reported that a line
break
  was really a knot failure.  Despite the organizers best efforts not
  everyone working the lines knows how to tie the best knots.

 On that topic...

 The uni-knot is a super knot, but it results in a big knot with tag
 ends that are at a right angle to the line; this doesn't like to
 go though narrow turnarounds (like the WDW one I have).  I've also
 found this knot pretty much useless on the diameters of mono we tend
 to use.

 The barrel knot is super simple to tie, and results in a small knot
 with tag ends parallel to the line.  Works great on mono too once
 cinched up tight.  It is bascially a blood knot using two
 figure-eight knots instead of two overhand knots.  Details on my web
 site:  http://isoar.ca/~andrewm/rc/barrel/

 I don't claim that the barrel knot is stonger, but it works well
 enough for me.  Other knot suggestions are invited.

 -- 
 Andrew E. Mileski
 Ottawa, Canada
 http://isoar.ca/

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Re: [RCSE] two questions from the experts

2003-10-02 Thread Anker Berg-Sonne

Bill,

I am answering in spite of not being an expert!

On your first question, I have hard data. When my vision was a little bit
better, I was able to fly my plane about 1 mile away from me. I know because
I have lost planes and then refound them with a GPS, which gives me the
separation of the starting and ending point.

After watching dynamic soaring movies I doubt our planes get over 100MPH in
the typical victory dive. This is pure, subjective judgment.

Anker


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[RCSE] LISF Man-on-man contest

2003-09-22 Thread Anker Berg-Sonne




We weren't sure we would get to fly. Hurricane 
Isabel had just raced through Pensyllvania and upstate New York, and Windcast 
was forecasting high winds for Long Island. In spite of the forecast 8 CRRCers 
drove to Long Island for the contest: Fritz Bien, John Nilsson, Dave Walter, 
Bruce Schneider, Jan Kansky, Mark Drela, our remote member - Jose Bruzual, and 
Anker Berg-Sonne. Miner Crary was registered but we didn't see him.

Saturday morning was calm and sunny, and as the day 
progressed it stayed calm with light breezes from the East and temperatures in 
the 80's with high humidity. The thermal conditions were quite poor with weak 
thermals spread far apart. A far cry from the forecast.

The contest format was man-on-man with experts 
flying against experts and sportsmen flying against sportsmen. Landings wre 
graduated tape landings, but just 5 feet long with 10 points per foot. Winch 
lines were short, just 500 feet, with 250 lbs line to minimize line breaks. I 
don't think there was a single line break all weekend! CD John Hauff was tough 
as usual and gave everyone, also sportsmen, one popoff per day, and also one 
line break per day! The tasks were a 5 minute task, then 6 rounds of 8 minute 
tasks and finally a 15 minute task to separate the boys from the men. Because of 
the poor thermal conditions the scores got spread out quickly. Team CRRC didn't 
have any equipment problems at all, a rare ocurrence. The contest also ran 
incredibly smoothly with no hangups, a relief, because the spring LIST contest 
had been plagued by frequent line breaks. The only major excitement was George 
Hill, who flew the wrong plane and crashed his new Aegea Mantis in the woods. 
Using my hand bearing compass he was able to find and retrieve it. The wing tips 
were pretty badly damaged. Terry Luckenbach also ended up in the woods. He 
usually manages to come back from flying far out and low, but this time he 
got caught. His plane was unscathed.

At the end of the day our sportsmen had 
donereally well. Bruce Schneider was in second place, Mark Drela in third, 
and Jose in fourth. Luis Bustamante took first. The CRRC experts fared less 
well. Fritz ended up in fifth place, I in sixth, Dave Walter in eigth, and John 
Nilsson in 12th. John was flying his new Aegea Mantis for the first time in a 
contest and was extremely pleased with it. John's old center panel was on Jose's 
Mantis.

The forecast for Sunday was for light breezes out 
of the East again. It became very variable with light breezes shifting all 
around the compass, usually pointing straight at the thermals, which were big 
and almost continually present. There wasn't a cloud in the sky all day and the 
air was crisp and dry. It simply doesn't get better. To make it something other 
than a landing contest, CD Paul Bell called for 10 minute rounds after an 
initial 5 minute tune-up round. The 10 minute rounds didn't make a big 
difference, and it ended up being a landing contest. As far as excitement goes, 
we had more. On my first launch I fluttered my ailerons on the zoom, and found 
that both aileron servos had stripped after landing. Fortunately they worked 
well enough that I could complete the flight and get my time. When I switched to 
my backup wing I omitted to change models on my transmitter in the rush and 
stripped a flap servo when it jammed against the stop. I flew with the stripped 
servo the rest of the day and had my backup ship all assembled in case the 
primary rig became unflyable. During one of my flights I heard a bang followed 
by a huge crash from the launching area. It turned out to be Fritz who had 
thrown his plane into the back of his head. After impacting the plane got pulled 
straight into the ground by the winch line. In spite of the violence of the 
crash his wing is repairable, but his fuse was broken in two places. George Hill 
managed to fly the wrong plane again and crashed his backup moldie far into the 
woods. My hand bearing compass led him to it again and it was pretty badly 
mangled. At the end of the day he bought Hand Wiedekehr's Aegea Mantis. A pretty 
expensive weekend for him. John Hauff launched once without power to the 
receiver and servos. Luckily the plane looped until it and the ground hit the 
same spot. Luckily, the damage was only cosmetic, and John could fly the next 
round after checking it thoroughly.

At the end of the contest team CRRC again had a 
strong sportsman result. Bruce Schneiderin first place, Mark Drela in 
second and Jose in fifth. Our experts did a bit better. I made second, Dave 
Walter made fifth, John Nilsson in eigth, Fritz in 11th (one zero round) and Jan 
Kansky in 12th. What happened, Jan?

I have a way of rating contest difficulty. The 
percentage of contestants that come within 90% of the winner's absolute score 
will be very high for an "easy" contest, and very low for a "difficult" one. I 
have seen it range between 2 and 50 percent. Saturday was

Re: [RCSE] Blue Hills slope soaring pictures on CRRC pictures pages...

2003-08-19 Thread Anker Berg-Sonne

Stuart,

Two problems, one minor and one major:

Minor: The hill is round and air gets pushed more around it than over it.

Major: It is covered with rocks, brush and trees. It is almost impossible to
land the plane without damaging it.

Anker
- Original Message - 
From: stuarthall_ct [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, August 19, 2003 12:51 PM
Subject: [RCSE] Blue Hills slope soaring pictures on CRRC pictures pages...


 I cannot recall whether there was any conversation on RCSE about
 slope soaring at an inland Massachusetts site - Blue Hills
 Reservation. If anyone has soared this site can you let me know a
 little bit about how it was?  I used to live directly across from the
 hill and can remember the easy hike up the hill, but that there were
 lots of trees to make the airflow turbulent.

 I am still trying to find an inland slope site in Connecticut. Your
 experiences will either be encouraging or discouraging to my quest.

 Thanks in advance,
 Stuart

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[RCSE] CRRC Soar-In

2003-08-03 Thread Anker Berg-Sonne




Next weekend, the 9th and 10th of August is the 
30th annual CRRC Soar-In, the northeasternmost major soaring contest in the US. 
The contest is sanctioned by the AMA and the ESL. The format is thermal duration 
with graduated spot landings. Prizes are given to third place in Sportsman and 
Expert classes. This year the prizes are absolutely gorgeous engraved crystal 
beer mugs. Join us for a fun-filled weekend of soaring for any skill and 
experience level.

For more information and to sign up, go to www.flyesl.com

See you all next weekend!

Anker Berg-Sonne

Re: [RCSE] V-Tail Movement

2003-07-25 Thread Anker Berg-Sonne

I call that down, not left!

Anker
- Original Message - 
From: Darrellz [EMAIL PROTECTED]
To: 'Jim Stovall' [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Thursday, July 24, 2003 10:47 PM
Subject: RE: [RCSE] V-Tail Movement

 When looking at the rear left rudder,left V should move left which is
 down, right rudder, right V should move right which is down.

 DZ

 -Original Message-
 From: Jim Stovall [mailto:[EMAIL PROTECTED]
 Sent: Thursday, July 24, 2003 7:22 PM
 To: [EMAIL PROTECTED]
 Subject: [RCSE] V-Tail Movement

 Guys, assistance for someone who is having a brain fart. Please refresh
 my faded memory on how a v-tail should move in a left turn and a right
 turn as viewed from the rear.TIA!

 Best Regards,

 Jim

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Re: [RCSE] re: List of Planes

2003-06-24 Thread Anker Berg-Sonne

Let me try to be unemotional:

Being a CD for a regional contest is a big job. You have to prepare
everything, purchase prizes, organize helpers, take registrations before the
contest. During the contest you have to be the first at the field, the
hardest worker, the biggest worrier, the person who calls the helpers who
didn't show up, take registations, set up equipment, test equipment, pray
for no rain, deal with the whiners, deal with equipment failures, deal with
the line breakers and the pop-offers. After the contest you have to announce
the scores, tear everything down, entertain in the evening. The day after
the contest you are supposed to fill out the AMA paperwork in addition to
reporting scores and sending a report to the league, send refunds to the
jerks who didn't show up.

I didn't menton getting contestants to sign the safety sheet and fill out
the AMA contest form. That is hard enough. Adding a form asking contesants
what plane they are flying, what radio they are using, what color their
underwear is is just t much!

Anker
- Original Message - 
From: Paul Siegel [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, June 24, 2003 2:15 PM
Subject: [RCSE] re: List of Planes


 I too think it would be interesting to know what planes were flown by
 contest winners.  In addition, some other information could be helpful:
 Where did the pilots have breakfast that day and what did they eat?
 (3-bean burrito washed down by a Red Bull?)   Where did they stay the
 night before? (At a Holiday Inn Express?)  Did they get lucky the
 night before?


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[RCSE] Maple Leaf Image on Ebay

2003-03-25 Thread Anker Berg-Sonne

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=2563item=3124044017;
rd=1


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Re: [RCSE] aerial photography

2003-03-03 Thread Anker Berg-Sonne




I can just imagine the headlines the first time a 
RC plane is seen buzzing aound a downtown building. You'd have FAA, ATA, FBI, 
CIA, and all the other agencies hunting you down! Give me a heads up so I can 
make sure I'm watching CNN when you do it!

:-)

Anker

  - Original Message - 
  From: 
  GHANSON 

  To: soaring BBS 
  Sent: Monday, March 03, 2003 10:43 
  AM
  Subject: [RCSE] aerial photography
  
  Is anyone on the list providing aerial 
  photography services out there with r/c models? 
  
  I've recentlyspoken with an architect who 
  is paying $750 per for shots from a helicopter (full scale). These 
  aren't high res shots either, just basic site photos.
  
  I'm thinking there may be a market for MUCH lower 
  cost aerial photos through the use of r/c models. At the worst, I'd end 
  up with a nice, new digital camera and a decent electric-powered 
  airframe!
  
  Thoughts?
  
  Garland Hanson
  Central Arizona Soaring League
  Gilbert, AZ

Re: [RCSE] Handicaps

2003-01-26 Thread Anker Berg-Sonne

A little clarification is in order:

What I am doing is in no way sanctioned, approved or even known to the ESL -
other than those who follow this list.

MY goal is to publish handicaps and handicapped scores by taking advantage
of the fact that I have the scores and manage the web site. If handicaps
work I know the members will start pushing for them. If they don't like them
they will be a short-lived curiosity.

I can think of no better, non-threatening way to test the concept.

My other goal was to generate some discussion that wasn't about antennas and
skegs. I guess it worked! :-)

Sorry about the confusion I caused.

Anker

PS I can understand the rationale that the AMA has for banning handicaps.


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[RCSE] Handicaps

2003-01-25 Thread Anker Berg-Sonne

OK, enough skeg mail. Let's move on.

A lot of the discussion here has been driven by the sentiment that soaring
contests aren't fair. The same people win all the time, its a landing
contest, its a flight time contest, fliers cheat by using skegs, yadi yadi
yadi ya..

Here''s my solution: As the score keeper for the ESL I have access to quite
a few years of history of anyone who has flown in an ESL-sanctioned contest,
whether the fier is an ESL member or not. This season I am going to
implement a handicapping system and post handicapped results. The
handicapping process isn't sanctioned by the ESL and is a purely personal
effort. But by maintaining the system and posting the scores I hope to
convince the ESL, and possibly the greater soaring community that
handicapping is a good idea and will make contests fairer and winnable by
any flier without resorting to classes.

I am going to model the system on golf handicapping. The base metric of
non-handicapped performance will be the normalized performance (percent of
the winner's score) adjusted by the spread of the contest (the percentage of
pilots with normalized scores of 90 and above). The latter adjustment is
intended to eliminate the effects of easy vs hard contests, usually
driven by the wind strength and thermal activity. The handicap is calculated
as the average adjusted score for the most recent X contests for a pilot
with the worst Y% thrown away. Did not complete all round contests are not
included.

Once we have a handicap we can calculate a handicapped contest result as the
adjusted score divided by the handicap. A score of 1.00 means that you have
flown to your handicap. Less than 1 means that you underperformed and one
greater than one that you have flown better than your handicap. The person
with the highest handicapped score has won the handicapped contest.

The fundamental concept is that you get rewarded for flying better than your
handicap. The throwaways are a mechanism to eliminate poor results caused by
equipment failure or sandbagging.

If it works properly it won't matter if contests are dominated by duration,
landing, or whatever. You compete against yourself, or rather your
historical performance.

Anker


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Re: [RCSE] Handicaps

2003-01-25 Thread Anker Berg-Sonne

Mike,

The sport is horribly unfair because the individuals who take it seriously
and spend considerable time practicing contest formats tend to win contests!
:-)

Taking my tongue out of my cheek I do believe there is a problem attracting
new people to the hobby, and specifically to participate in contests. I also
believe that some important underlying causes for this are:

A) The sport is inherently difficult to master
B) We usually compete in relatively large groups, so as you painfully slowly
learn to fly well you slowly work your way up with little encouraging
feedback.

I am not suggesting that we do away with absolute scoring, it has its place
and clearly recognizes the hard work of those who strive to excell.

I do think there is room for a system that allows individuals to better
measure their performance over time.

Anker
- Original Message -
From: Mike Stump [EMAIL PROTECTED]
To: Anker Berg-Sonne [EMAIL PROTECTED]; RCSE [EMAIL PROTECTED]
Sent: Saturday, January 25, 2003 1:26 PM
Subject: Re: [RCSE] Handicaps


 At 11:15 AM 1/25/2003 -0500, you wrote:
 OK, enough skeg mail. Let's move on.
 snip



 Thehandicapping process isn't sanctioned by the ESL and is a purely
personal
 effort. But by maintaining the system and posting the scores I hope to
 convince the ESL, and possibly the greater soaring community that
 handicapping is a good idea and will make contests fairer and winnable
by
 any flier without resorting to classes.



 snip

 OK, we've gone from skegs to fairness. the dreaded level playing field..

 enough

 the most basic beauty of the contest side of our HOBBY (scale excepted) is
 that in most events, given a set of rules, our tasks whatever they are,
are
 totally objective... time in the air, landing if it's part of the event.

 no judging, k-factors, or subjectiveness takes a part in EARNING a score,
 regardless of the scoring system. the contestants that best and most
 accurately complete the given tasks EARN the highest score.

 where is this unfair?


 Take Care,

 Mike Stump


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Re: [RCSE] Any good Sunglasses ?

2002-08-27 Thread Anker Berg-Sonne


For North Americans wearing prescription glasses, the easiest is to go to
Wall Mart and buy the ones they carry for wearing over prescription glasses.
They are called something like Wear Over and come with grey or brown
lenses, are polarized and come in several sizes to match your head and
glasses.

Anker


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Re: [RCSE] Just a Flying Contest.reply

2002-08-13 Thread Anker Berg-Sonne


Look at hand launch. You can hardly call that affordable.

The same will happen to 2M if it is ever revived, G.. forbid!

I have a pristine Image for sale with Volz servos for all you 2M
affcionados!

Anker
- Original Message -
From: Jack Strother [EMAIL PROTECTED]
To: Douglas, Brent [EMAIL PROTECTED];
[EMAIL PROTECTED]
Sent: Tuesday, August 13, 2002 9:37 AM
Subject: RE: [RCSE] Just a Flying Contest.reply


 Well you are right.
 I have been fighting the demise of 2-m for the very reasons that you
suggest.
 There needs to be more 2-m contest on the local level, across the country,
 for it to survive.
 If, for nothing else, an entry level aircraft for John Q Public.
 Like Dennis is implying, when it is goneit will be gone.
 I can not see a beginner showing up at the field, with a brand new Pike
 Plus to learn on..
 Jack


 At 09:25 AM 8/13/2002 -0400, Douglas, Brent wrote:
 I keep hearing this, but the muttering in the pits at the Nats was 2
meter
 needs more consideration, not less
 
 Also, stepping up on a handy wooden box, if this group wants to ever get
 'kids' involved in quantity, there needs to be a cheaper starting point
than
 unlimited... I counted 2 juniors at unlimited - that's a problem that
really
 needs to be addressed.
 
 I know RES is still out there, but how much can you fly that?  how many
kids
 out there are going to build Sailaires in their bedroom...?Tonite's
the
 DARTS meeting, and I'm lobbying hard for a fun-fly nite (weekly) and more
 events geared at getting new blood into this hobby - maybe 1 design
events,
 nostalgia HLG (really)
 
 ok, back to work I guess ; )
 
 Brent
 
 
 -Original Message-
 From: Jack Strother [mailto:[EMAIL PROTECTED]]
 Sent: Tuesday, August 13, 2002 9:18 AM
 To: Dennis Phelan; [EMAIL PROTECTED]
 Subject: Re: [RCSE] Just a Flying Contest.reply
 
 
 Careful Dennis,
 There are TOO MANY who want to do away with 2-meter.. it will never fly.
 I Know...Let limit it to 100  span and bring back Standard Class !!!
 surely easier to tow than 2-m
 LOL
 Jack
 
 
 
 At 12:16 PM 8/12/2002 -0700, Dennis Phelan wrote:
  Dudes,
  [let me try again]
  I would be for the 2M idea. It has possibilities, harder on the eyes,
  easier on
  the pocketbook, maybe easier to tow.
  
  Dennis
  
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 Loveland, OHLSF 2948
 
 
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Re: [RCSE] Flap Deflection on Typical Moldie

2002-07-25 Thread Anker Berg-Sonne


I am sure someone with more knowledge about fluid dynamics can say this
better than I can, but it is NOT frontal area that determines drag. The drag
increases faster than the frontal area when you lower the flaps and the drag
increase from 60 degrees and 90 degrees is enormous, much more than the
frontal area increase.

Anker
- Original Message -
From: Harley Michaelis [EMAIL PROTECTED]
To: Dieter @ ShredAir [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Thursday, July 25, 2002 11:17 AM
Subject: Re: [RCSE] Flap Deflection on Typical Moldie


 Hi Dieter. . hope all is well with you.

 I did the drawing you suggested and it does clarify that more flap than
 expected is exposed to the airflow. However, in other than a 90 degrees
down
 situation, the air is deflecting off the surface and the result would
appear
 to be not as effective. Taking the example of 45 degrees exposing 69% of
the
 flap area, I'm inclined to think that a flap with 69% of the chord but
 positioned 90 degrees down would be more effective in causing drag because
 it is blocking the airflow, rather than deflecting it.This seems to be
 born out in practice. Something else other than just exposed area is
 happening at 90.
 - Original Message -
 From: Dieter @ ShredAir [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Wednesday, July 24, 2002 10:16 PM
 Subject: Re: [RCSE] Flap Deflection on Typical Moldie


 
  Realistically, is there much difference in flap performance between 60,
  and say 70 or 80 degrees of deflection? Thanks
 
  Simon, et al., here is an interesting exercise:
 
  On a sheet of paper, draw a 90-degree angle, one leg horizontal, the
  other vertical. Now insert a compass at the point of the angle and
  draw a 1/4 circle with a 100 mm radius intersecting both legs of the
  angle. Draw lines at 45, 60, 75, etc degrees from the point of the
  angle. Now draw lines perpendicular from the vertical leg so that
  they intersect where the 45, 60, 75 lines intersect the arc.
 
  Sounds complicated, but here is what you'll find, when you measure the
 result:
  A 45-degree flap deflection exposes about 69% of the flap area to the
  airflow... Huh?
  A 60-degree flap deflection exposes about 86% of the flap area to the
 airflow.
  A 75-degree flap deflection exposes about 96% of the flap area to the
 airflow.
 
  Now, for you in Canada, 75 degrees may be fine, but here in the US,
  planes need The Full Ninety, else they don't land worth shards...
  :o)
 
  Dieter
  http://shredair.com
 
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Re: [RCSE] Kabooom!

2002-06-24 Thread Anker Berg-Sonne

Other than some hard landings it had no damage. No damage whatsoever in the
the center panel, where the failure happened.

Anker
- Original Message -
From: gldr guy [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; Anker Berg-Sonne [EMAIL PROTECTED]
Sent: Monday, June 24, 2002 2:24 PM
Subject: Re: [RCSE] Kabooom!

 Was the Sharon previously damaged?  I saw one at the Spring Fling on the
Friday afternoon before the contest take some hard launches in some stiff
wind, no problem.  Walter

 ---
 GG

 On Mon, 24 Jun 2002 14:08:18
  Anker Berg-Sonne wrote:
 To my immense surprise I blew up my Sharon on a winch launch Saturday as
the
 LISF ESL contest. I thought pretty much all molded ships could handle any
 launch with a regular Ford starter winch, but apparently not. The blowup
was
 spectacular, both acoustially and visually, and the plane came down in
five
 different pieces.

 The wing spar broke at the end of the ply doubler in front of the wing
hold
 down block. Both the upper and lower carbon fiber caps were broken
cleanly
 across. The secondary damage was another spar break and delamination of
the
 spar and skins around the secondary break. The fuse broke in three pieces
 from the pull of the winch line when the lift from the wing disappeared.
The
 ony reusable pieces of the plane are the electronics, the wing tips and
the
 tail feathers.

 I wish I had the money to replace it.

 Anker

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Re: [RCSE] No one makes their target time.

2002-02-06 Thread Anker Berg-Sonne


Perry,

The long term trend towards landing being more important than flying is
inevitable, unfortunately.

The cause is the incredible progress that has been made, especially the last
6-7 years in plane technology. Today's best planes, in the hands of a
reasonably experienced pilot, can easily max the 5-10 minute tasks that are
typical. 5 minutes has become a joke, just the launch and a carefully
managed hanging around in zero lift will give a 5 minute flight.

Making the tasks longer than dead air hang time improved emphasis on pilot
skills, but it needs to be much longer, and we are almost at the point where
the planes are so good that the top 10% pilots can stay up as long as they
want in good to fair conditions.

So to spread out the field we have two choices:

A) Make the task durations ridiculously long and have very few rounds.

B) Use landings to spread out the top of the field.

The problem with A is that pilots who aren't able to keep their planes in
the air will have very little flying time, so we are left with B.

Anker
- Original Message -
From: Perry Hudson [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, February 06, 2002 12:56 AM
Subject: [RCSE] No one makes their target time.




 I've been going to contests for awhile now and have noticed that the
majority
 of them are landing contests.

 Oh, I been to some where the longest skid mark in the snow wins, the most
loops
 win, the most rolls win, the fastest plane wins, but I have yet to go to a
TD
 contest where no one gets their target times.

 I would like to see the emphasis really put on flying as opposed to
landing.
  Anyone can do three minutes in the cool morning air with just a little
help.

 Imagine if the first round of the morning was 8 minutes, round two was 7
min,
 round three was 6 min. and round four was 5 min. With a maximum of five
points
 for all landings.

 I damn well think that the focus would be on flying and landing would take
a
 back seat.

 I think it's time to get back to the flying and let the lawn dart people
have
 at it.

 Just my thoughts.

 Comments anyone??

 Regards,Perry
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Re: [RCSE] Lat/Lon calculations

2002-02-06 Thread Anker Berg-Sonne

Ben,

I have the formul;a at work. I'll try to remember to post it tomorrow.
Remind me of I forget. It involves a bunch of cosines!

Anker
- Original Message -
From: Ben Diss [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, February 06, 2002 8:03 PM
Subject: [RCSE] Lat/Lon calculations

 I picked up one of those nifty little GSP units that records a track.
I've collected some data (lat/lon/alt/datetime) and now want to play with
the numbers.  I'm not a math wiz, so I'm stumped on step 1.  How do I
calculate the distance between two lat/lon points?  Any formula would be
helpful, but a link to some kind of tutorial would be most appreciated.

 Thanks.

 -Ben
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Re: [RCSE] Contests; why?

2002-01-10 Thread Anker Berg-Sonne


I fly gliders because they are challenging, and I fly in contests because
that's the only way I can measure my own performance.

I see the following reasons:

A) If you regularly go on the contest circuit you make a number of friends
that you normally only see at contests.

B) Some people go to contests to win. The trouble is that if that's your
motivation you get awfully frustrated if you don't win. I'm not good enough
(yet) to win ESL contests in Expert class, and I'd have given up long ago if
this were my motivation.

C) Measuring your own performance. As the scorekeeper for the ESL I
introduced an inprovement measure that is calculated each year. I do this
for two reasons: One, it makes it possible to reward pilots for improving
their performance. Two, it is a measure of individual performance. The neat
thing is that the top fliers are the benchmark that individual
performance/improvement is measured against, so they have tiny fluctuations.
The major drawback is that it really highlights the effects of aging on the
older pilots.

Bottom line: There are better motivations for going to contests than
winning.

Anker
- Original Message -
From: Bill Swingle [EMAIL PROTECTED]
To: RCSE Soaring (E-mail) [EMAIL PROTECTED]
Sent: Wednesday, January 09, 2002 1:19 PM
Subject: [RCSE] Contests; why?



 Could someone please explain something?

 Why do so many pilots need contests to fly? The are volumes of posts
arguing
 about rules and formats. Then after an event guys argue about results and
 rules. Seems silly to me.

 Bill Swingle
 [EMAIL PROTECTED]
 Janesville, CA


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Re: [RCSE] Re: Contests; why?

2002-01-10 Thread Anker Berg-Sonne




Bummer,

If that's the secret I'll never make it! I hate 
being tickled under my feet. :-(

But thanks for letting us know!

Anker

  - Original Message - 
  From: 
  John 
  Roe 
  To: Rick Eckel ; Tom Hoopes ; [EMAIL PROTECTED] 
  ; RCSE Soaring 
  (E-mail) 
  Sent: Thursday, January 10, 2002 2:03 
  PM
  Subject: [RCSE] Re: Contests; why?
  
  Contests are the engines that drive the development of the planes we all 
  enjoy for each our own reasons. Contest pilots push out the 
  envelope of performance. Contest pilots want answers to questions that 
  most pilots would never ask, but all builders and pilots get to benefit and 
  extend their enjoyment of the hobby because of these answers. Mostly 
  pilots fly contests because of the wealth and adoration of ourwives and 
  women everywhere who find us irresistable in our shorts and floppy hats with 
  astopwatch around our neck. 
  JR 
  PS. the REAL secret is the bare feet...
  John RoeLaguna Hills, Ca
  www.MartialArtsAcademy.org
  
  
  
  
  Do You Yahoo!?Send FREE video 
  emails in Yahoo! 
Mail.

Re: [RCSE] HELP! - TopFlite Metrick

2001-12-21 Thread Anker Berg-Sonne

Brian,

The Metric flies horribly unless you increase the dihedral. I built one in
the 80s because it looked so good and was deeply disappointed.

Anker
- Original Message -
From: Brian Joder - OUTBOUND Ind. [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, December 21, 2001 2:43 AM
Subject: [RCSE] HELP! - TopFlite Metrick

 Hello Anyone,

 I'm just back into the r/c soaring stuff after 20 some
 years... anyway I just finished my TopFlite Metrick
 that had been 95% finished and stored away since 1981.
 (I bought this at the time since I could only dream of
 owning a Hobie Hawk - I was 17 then!)

 I would like to connect with anyone who has any
 experience with one of these birds. I built mine with
 the spoilers.

 I think at the time it was supposed to be a pretty
 hi-perf plane... but not to todays standard I'm sure.

 In particular if you have anything on what the throw
 of the rudder and elevator should be.

 Also, What are the flying characteristics?

 Anything would be helpful... is there a vintage
 class I can fly in???!!!

 Thanks,

 Brian Joder
 [EMAIL PROTECTED]

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Re: [RCSE] 7037 vs. MH32 Discussion

2001-12-14 Thread Anker Berg-Sonne


Bill,

Being the owner of a plane (a Mantis) with two wings, one a 7037, the other
an MH32, both with the same planform, I think I have as good a comparison
basis as any.

The big difference is in ability to penetrate. The 7037 has a problem
penetrating when the windspeed exceeds 15 to 20 MPH. Ballasting it does
help, but not much. The MH32 wing does much better in the same conditions.

The big surprise is that this ability comes at very little cost at the other
end of the spectrum. The 7037 probably has slightly less minimum sink speed,
but if there's a difference it is very small. The MH32 slows down very well,
much better than the RG15, which is almost identical.

Both airfoils seem to have the same response to camber changes.

Of course, these two wings may not have proper 7037 and MH32 airfoils!

I personally prefer the MH32.

I also own a Cobra and a Sharon. The Cobra has an MH32 airfoil and
penetrates really well, but does not like to be slowed down to a crawl. The
Sharon has a blended 7037/RG15 airfoil and flies as if it had an MH32!

Anker
- Original Message -
From: Bill Swingle [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, December 14, 2001 5:57 PM
Subject: [RCSE] 7037 vs. MH32 Discussion


 I'd be interested in a discussion regarding the merits of the 7037 vs. the
 MH32. They look  quite different to me. Isn't this a real big choice?

 To me the MH32 looks like more of a sloping foil while the 7037 looks like
a
 floaty thermaling foil.

 I have to confess a personal bias. When I tried the 7037 I found it
lifty
 but kind of slow and boring.

 Bill Swingle
 [EMAIL PROTECTED]
 Janesville, CA


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Re: [RCSE] The infamous dive test

2001-08-19 Thread Anker Berg-Sonne


I believe in an iterative process.

I use CG position to manage the stability of the plane. The further back the
less stable the plane will be. With a new plane I start with a fairly stable
CG and then start moving it back as  become more comfortable with the plane.

An important decision is what to optimize the plane for. You could optimize
it for minimum sink speed, cruise speed or fast cruise. I figure that cruise
is a good compromize, but other may want the plane to fly optimally at some
other setting. Whatever speed you want to optimize the plane for needs to be
used for the incidence test.

I use the elevator position when set for cruise speed to set the incidences.
If the elevator needs to be trimmed up from the neutral position I shim the
front of the wing up or the back of the stab up. Which one needs to be
trimmed is determined by the fuselage angle relative to the ground when
cruising in still air. I can't stand a plane that cruises with the tail
down, it just doesn't look right!

If major changes are made to either CG or incidence I normally find that the
other needs adjustment

Once I am happy with stability and incidences I confirm that the settings
are right with a dive test. I prefer a slow recovery from a dive to the
point where a steep dive from altitude will fly the plane into the ground.
If the dive isn't satisfactory it in an indication that somethig is still
messed up.

Anker
- Original Message -
From: Dave M [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Sunday, August 19, 2001 7:14 PM
Subject: [RCSE] The infamous dive test


 So what comes first the chicken or the egg, or in this
 case C/G of incidence?

 Do you pick a spot for the C/G and shim the wing to
 fly at neutral elevators (V-Tail) to get a nice cruse
 speed, or set an incidence and move the C/G to get a
 hands off neutral elevator?

 How do you determine where the C/G should be if you
 experiment with  your own designs?

 Is there a way mathematically to determine the perfect
 C/G of a planform?

 Forgive me if these questions are trivial, I am
 getting ready to celebrate my one year anniversary to
 the hobby.

 Dave

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Re: [RCSE] Vison TX Problem

2001-07-03 Thread Anker Berg-Sonne


A few years back at a CASA contest I had a horrible problem with my Vision.
Suddenly the plane rolled hard to the right. After some frantic stick
movement is flew OK again, but when I got is back on the ground the ailerons
would suddenly go to full right with no stick movement. Only vigorous stick
twiddling would get it to work right, but every now and then it would go
back to full right. The problem was that there was dirt in the pot. Once I
realized what the problem was I twiddled the stick until the dirt finally
was worked out of it.

Too bad that the Visions are beginning to suffer from old age. They are
great trannys and I love mine.

Anker
- Original Message -
From: Martin Brungard [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, July 03, 2001 9:53 AM
Subject: Re: [RCSE] Vison TX Problem


 I recently had problems with my Vision with respect to the unit not
 transmitting my inputs.  I knew the radio was putting out RF since the
 reciever would go crazy if I turned off the tranny.

 I think I deciphered the problem as slight corrosion on the plug-in
contacts
 within the transmitter.  Remember, these transmitters are on the order of
a
 decade old and they have probably been well used since they are very
capable
 tools.  The years of exposure to the elements or just slightly moist air
 (its really moist here in FLA!) has probably developed a microscopic
 corrosion layer on some contacts in the radio.

 What I did was open up the unit and unplug and replug as many of the plugs
 as I could get to.  I wasn't too interested in taking out all the boards
in
 the tranny.  I also slightly pryed up the 2 PROMS on the boards, just to
 upset any corrosion accumulation.  I guess if this doesn't work for you,
you
 may need to go ahead and remove all the boards so that you can unplug and
 replug all the plugs in the tranny.

 I hear that there is a spray that you can apply safely to electronics and
 achieve the same results.  I would appreciate a post from anyone that has
 experience with these sprays.  Especially if there is a spray out there
that
 will protect from future corrosion.

 This maintenance seemed to do the trick for me.  My Vision is working
 properly now.

 While your in there, be sure to examine the insulation on the wires going
to
 your aileron pot.  I posted a note here on this problem several months
ago.
 The insulation hardens and the underlying wire will fracture due to the
 repetitive movement. The aileron pot should be the first pot to exhibit
this
 problem since it is highly used and its movement is large.

 Good luck with your problems.


 Martin Brungard
 Tallahassee, FL

 Meandering to a different drummer


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Re: [RCSE] Mantis Owners

2001-04-03 Thread Anker Berg-Sonne


I found it hard to launch holding on to the pod and have switched to holding
the tail boom.

The new wings have bent CF joiners. This to allow the tube on the tip panel
to be long enough that I can't blow the tip up on a two man F3J tow. :-)

The spars are CF tubes. The one in the main panel has a wood piece in it to
prevent collapse.

Anker
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, April 03, 2001 4:16 PM
Subject: [RCSE] Mantis Owners


 I have a couple of questions about the Mantis that I hope some of you
could help me with.

 1.  Do you hold onto the pylon when launching or grip the tail boom like
we do on regular fuselages?  Is it hard to control in the wind when
launching using either grip method?

 2.  Could you please describe a little bit about the tip joiners?  What is
the diameter?  Are they bent to provide the dihedral angle?  Etc?

 I am not planning on buying one, but I am designing a fuselage that is
going to have a tail boom that is will be about a 1" diameter where you
would grip it.  So I wanted to see others experiences.  Thanks for you help!

 Burke Jones
 Custom Cores
 http://www.custom-cores.com
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Re: [RCSE] Official rule change for F3B/J

2001-03-29 Thread Anker Berg-Sonne




It would seem to me that it would have been simpler 
and possibly safer to require attaching a parachute of some minimum diameter to 
any object made of metal or weighing more than a few ounces. If the line breaks 
or the device (stake) comes loose the parachute will quickly dissipate the 
energy.

Anker

  - Original Message - 
  From: 
  James V. 
  Bacus 
  To: [EMAIL PROTECTED] 
  Sent: Wednesday, March 28, 2001 8:16 
  PM
  Subject: [RCSE] Official rule change for 
  F3B/J
  Here's the official word from the FAI mail list...
  - Original Message - 
From: "FAI Secretariat" [EMAIL PROTECTED] To: "CIAM, Information" 
[EMAIL PROTECTED] Cc: 
"FAI Active Members" [EMAIL PROTECTED]; "Associate 
Members FAI" [EMAIL PROTECTED]; 
"Temporary Members FAI" [EMAIL PROTECTED] Sent: 
Wednesday, March 28, 2001 7:42 PM Subject: CIAM Safety Notice 
2001-03-26-1  
_  
 This is a message from the FAI 'Aeromodelling Information'  
mailing list.   When posting to this list, do not attach any 
file to your message.  They are automatically deleted by our server. 
  CIAM Home Page: http://www.fai.org/aeromodelling/  
_  
  The FAI Model Aircraft Commission has for safety reasons 
decided to  introduce the following amendment, as approved by the 
Chairman of the  CIAM RC-Soaring Subcommittee, to the Sporting Code 
concerning classes  F3B  F3J :   F3B  
5.3.2.2.b.a.3. replace the last sentence of the first line to read:  
"It is prohibited to attach the line to the ground or to any fixed  
object (Whilst hand towing)".   F3J  5.6.8.2. add 
after the first sentence:  "It is prohibited to attach the line to 
the ground or to any fixed  object (Whilst hand towing)".  
  The purpose of this rule change is to eliminate dangerous 
devices like  stakes or pins when hand towing RC gliders.  
 Volume F3BJ of Section 4 of the FAI Sporting Code now includes 
these  amendments. It is available for downloading at  http://www.fai.org/aeromodelling/documents/sc4.asp 
  This amendment is effective 26 March 2001. You are asked 
to circulate  this notice to all people concerned in your country. 
 
  JimDowners Grove, ILMember of Chicago SOAR clubICQ 
  6997780 R/C Soaring Page at http://www.mcs.net/~bacuslab/soaring.html

Re: [RCSE] Can human soar?

1999-10-07 Thread Anker Berg-Sonne

 I would claim that sky jumping is a human gliding event with an an
atrocious
 L/D. They do control where they go!

 Anker
 - Original Message -
 From: Dick Barker [EMAIL PROTECTED]
 To: Yiu Kwong Chan [EMAIL PROTECTED]
 Cc: [EMAIL PROTECTED]
 Sent: Thursday, October 07, 1999 10:31 AM
 Subject: Re: [RCSE] "Can human soar"?

  No yk, humans cannot soar but they can glide a little bit. If I
  remember correctly it wasn't too many years back that they were
  having dwarf class hand launch contests in Australia. Oz also
  had a self launched human class for a while where you would put
  on a velcro suit and then see how high you could stick yourself
  to a velcro wall.

  Dick Barker
  Seattle, WA
  - The Old Fart Glider Flyer -

  Another "Just wonder" question :-)

  -YK Chan
  ...
  ps. Oh, I wasn't serious.

  --
  Dick Barker [EMAIL PROTECTED]  http://www.eskimo.com/~dickb/
  Do you qualify to join OFDA?  http://www.eskimo.com/~dickb/ofda.html
  San Juan Isl Dive Charter?http://www.eskimo.com/~dickb/starfire.html

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Re: [RCSE] Playing in the Cloud Street

1999-09-07 Thread Anker Berg-Sonne

At the Daniel Boone Homestead near Reading, Pensylvania, we almost always
see cloud streets on both sides of the field, with the streets well out of
range of models. We do find lift even though the field is on the blue lane
between streets.

Anker
- Original Message -
From: Mick Maxwell [EMAIL PROTECTED]
To: Tom H.Nagel [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Monday, September 06, 1999 11:57 PM
Subject: Re: [RCSE] Playing in the Cloud Street

 Sailing offshore I have on many occasions seen "squall lines",
cumulonimbus clouds in a row as far as the horizon.  I assume,
 since it has been a long time that I have thought about weather, that the
squall line is the beginning of a well defined frontal
 system.  I have also seen and been in many thunderstorms, violent weather,
with wind shifts coming quickly depending on how you
 tract through the storm (better: how the storm passes over you).  Where
there was one there always seemed to be more.  The wind
 would be strong in one basic direction with a build up of waves with the
direction of the frontal system.
 I do not think I have ever seen a row of simple, friendly cumulous
clouds in a "street" pattern.  As I remember it, every cloud
 has a wind pattern, down draft on the outside, updraft in the center.  I
assume that is why glider pilots, from what I have read,
 will go under a friendly cloud to find lift.
 I may be all wet Tom, but are you sure there was a true delineated
pattern as you describe?

 Tom H.Nagel wrote:

  It was a puffy cumulus day, with cloud streets lined up
all the way
  from Mishiwaka to Wapakaneta.  It got me thinking about how full size
  sailplanes use the cloud streets, and how the streets form.

  Are the open lanes between the lines of clouds running with the
wind
  or cross wind?   Are those open lanes full of sink?  If you are going
cross
  country, do you fly down the lines or across the lines?  What prinicipal
of
  self organization causes cloud streets?

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