Re: [Aus-soaring] Morning Glory Doc on SBS

2015-05-18 Thread Arie van Spronssen

Hi,

I asked the question and Baddog Productions came back with SBS haven't 
given us an airing date as yet. so you haven't missed it.


Arie

   Subject: Re: [Aus-soaring] Aus-soaring Digest, Vol 140, Issue 14
   Date:Fri, 15 May 2015 12:56:05 +1000
   From:Nelson Handcock nelson.handc...@gmail.com
   mailto:nelson.handc...@gmail.com
   Reply-To:Discussion of issues relating to Soaring in Australia.
   aus-soaring@lists.internode.on.net
   mailto:aus-soaring@lists.internode.on.net
   To:  aus-soaring@lists.internode.on.net
   mailto:aus-soaring@lists.internode.on.net



   Speaking of...

   Is there any further details of this docco that was meant to be on
   SBS this year?

   http://www.morninggloryclouddocumentary.com/


   Thanks  Regards,

   Nelson Handcock


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Re: [Aus-soaring] Volksloggers

2014-11-09 Thread Arie van Spronssen

Hi Simon,

Has this been sold yet as am interested. Can you tell me how old is it 
and did it get much use? Also why you selling it as it s the radio most 
buy at the moment.


regards,
Arie

On 9/11/2014 10:18 PM, Simon Rammelt wrote:
/*I have for sale one XCOM 760  radio no longer required $650.00 ono 
includes wiring and microphone*/*/




Key features of the XCOM VHF Transceiver/*

  * Built-In VOX Intercom
  * 6 Watt Carrier Output
  * 20 Watt PEP Output
  * Worlds Smallest  Lightest 2 ¼ VHF Com
  * Large Backlight LCD
  * 99 Memory Channels
  * Dual Watch to monitor active  standby channels
  * Extended Receive Range
  * Music Input with Auto Fade
  * Large Buttons - Easy Operation
  * NOAA Weather Channels for the USA
  * 121.5 Emergency Channel Priority
 *



--
Simon Rammelt
788 Cushnie Road
Cushnie, Qld 4608

040 773 5433


--
Simon Rammelt
788 Cushnie Road
Cushnie, Qld 4608

040 773 5433


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Re: [Aus-soaring] Avier with cables for Sale

2014-08-27 Thread Arie van Spronssen

Hi,

If you just want the Avier I would be happy with $350 as can find a use 
for the glider tools cables.


regards,
Arie

On 26/08/2014 6:28 PM, Arie van Spronssen wrote:

Hi All,

I was going to make the switch to xcsoar but have decided to stick to 
using my Oudie for now so I have new Avier PNA with cables required to 
hook it up to a Flarm  Cambridge 302.


Cables are from glider tools, RS323 converter DUO for PNA v2  RSUSB 
DUO Port splitter.


I would like $500 for the lot.

regards,
Arie



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[Aus-soaring] Avier with cables for Sale

2014-08-26 Thread Arie van Spronssen

Hi All,

I was going to make the switch to xcsoar but have decided to stick to 
using my Oudie for now so I have new Avier PNA with cables required to 
hook it up to a Flarm  Cambridge 302.


Cables are from glider tools, RS323 converter DUO for PNA v2  RSUSB DUO 
Port splitter.


I would like $500 for the lot.

regards,
Arie


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Re: [Aus-soaring] Turnpoints

2014-01-08 Thread Arie van Spronssen
It still amazes me how many pilots still try to learn how their flight 
computer works in the air, particaly those using some sort of PDA. I 
know how my oudie works very well only due to the fact I fly with it 
most weeks at home on my PC when flying a condor task.


As for turn point names starting with numbers, this works really well 
when you are in a area where the names don't mean much to you anyway. 
For tasking it would be nice if the task sheet did have the real would 
names along side of the coded ones then at least you could show a local 
to see it what you have programmed in looks right.


Better go and set tonight condor task

Arie
Aussie task.


On 9/01/2014 5:42 PM, Mike Borgelt wrote:

At 08:39 AM 9/01/2014, you wrote:
My understanding was that the official turn point list was now the 
file supplied by the organisers anyway. This is usually a small 
subset of the local database without points close together.




Correct. I'm having difficulty understanding why numbers are 
preferable to alphabetical names unless you don't know the alphabet.



Even with a lack of multiple points in the same location, there is 
scope for confusion. I am aware of someone entering COONAMBLE into a 
task instead of COONABARABRAN as the device only showed the first 6 
characters ! And then they flew the wrong task.



Obviously this person had a complete lack of situational awareness. 
Deserves everything he or she got. Might be an idea to roughly draw on 
a real paper map and see if it matches the shape on the contest 
officials' board. You really need a sanity check on what a computer 
tells you. In any case if your particular device is limited to the 
number of characters it can display you can edit the database and 
remove any name ambiguity. CNABAR ought to do it in the above case. 
Anyway as Ron pointed out you are wrong anyway as 6 letters removes 
the ambiguity. Legally you probably should be carrying a paper map and 
ERC Low unless you are running OZ Runways on an iPad.


From experience, entering a task using the numbers is far quicker and 
far less error prone, particularly if having to do it in the air 
(after my oudie crashed and lost the task), which means less time 
with head in the cockpit !



In the B600/B800 the task can be entered at briefing on the SD card. 
It doesn't go away if the power gets interrupted and systems that 
don't run on top of a version of Windows/Android/Apple OS are much 
less likely to crash. Having visited Waikerie last weekend and talking 
to pilots the AAT does result in lots of pilot workload and 
interaction with the moving map computer and lots of head in cockpit 
time particularly when also trying to find out what pilots around you 
are doing by looking at their Flarms. Let alone trying to optimise the 
last turn while trying to outguess an algorithm whose logic you don't 
know.



As far as getting an idea of what the task is, that is available from 
the task sheet and by drawing it on a map.


Remember, the task is for the benefit of the competitors. The fact 
that any of us looking from home, work, etc can see what they are 
doing is a bonus. We should NEVER look to define tasks for the 
benefit of spectators ahead of the competitors.



Surely easy enough to define in terms of the encrypted contest name 
plus plain language. Then everyone is happy.


I agree about the task being for the competitors. Make it too arcane 
for outsiders though and you eventually run out of competitors.


Likewise the rules should not encourage taking less than the safest 
option. One GP I saw had a penalty for NOT landing straight ahead. I 
saw two potential spin ins to the tie down area. Plain dumb and the 
organisers should have known better. It was to create a spectacle for 
the spectators. Sure could have been.


The 3rd day at Waikerie had the front go through as the pack were 
finishing into a very strong and gusty headwind. Some really marginal 
flops over the fence. A 3km finish circle with no minimum altitude 
doesn't help as your best score is by using your safety margin to 
arrive there ar high speed and low altitude. Works fine with a 
tailwind or no wind.
One pilot I talked to the next day suggested finishing at 1500 feet 
over the middle of the airfield. This conforms with the book arrival 
for powered aircraft and gives plenty of time and energy to sort out 
the landings. The spectators can actually see the finishes too.


Mike



*Borgelt Instruments***- /design  manufacture of quality soaring 
instrumentation since 1978

/www.borgeltinstruments.com
http://www.borgeltinstruments.com/tel:   07 4635 5784overseas: 
int+61-7-4635 5784

mob: 042835 5784: int+61-42835 5784
P O Box 4607, Toowoomba East, QLD 4350, Australia


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Re: [Aus-soaring] LiFePo4

2013-02-26 Thread Arie van Spronssen

Hi,

When people start talking of glider batteries I laugh at their logic. We 
have a toy that cost anywhere between 2 - 10k and upwards to keep in the 
air each year(not including getting to and from the airfield and 
actually getting it in the air) and they are not willing to replace a 
couple of batteries each year for well under a $100.


These fancy batteries may be ok but in the vast majority of gliders the 
simple still works best and is cheap and safe.


Yes I do play with these fancy batteries in my radio control toys but 
withgreat care and they are always stored in a lipo safe bag. You only 
have to watch this video to agree 
http://www.youtube.com/watch?v=mw8jb1KmAG8 yes I know the newer ones are 
better but these are only small and look at how they go up and even the 
newer ones can still have problems.


regards,
Arie


On 27/02/2013 12:52 PM, Future Aviation wrote:

Hello all

It just occurred to me that I have omitted to thank John Parncutt
for his research and his willingness to share the findings with us.
  
Of course, in this context Mike Borgelt's professional advice must

also be mentioned. Both contributions are extremely useful to many
of my gliding friends including myself. Many thanks to both of you!

Believe it or not, the last set of SLA batteries powering the engine
circuit in my ASH 25 lasted for 10 years. At the time I opted for the
most expensive SLA batteries I could get my hands on and now it appears
that the old saying holds indeed true. You only get what you 

Kind regards to all.

Bernard Eckey

-Original Message-
From: aus-soaring-boun...@lists.internode.on.net
[mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of Mike
Borgelt
Sent: Wednesday, 27 February 2013 11:22 AM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] LiFePo4

As I said yesterday, do proper engineering on your battery installation.
If you don't have real numbers for temperature limits, discharge curves at
various rates, charging characteristics etc etc you aren't doing
engineering, you're just guessing.
A battery designed to start a racing motorbike and then be recharged by the
alternator and floated at that voltage likely has quite different
characteristics, design and longevity from one designed for charging and
deep discharging over several hours then recharging. You can also just stop
and get off the bike when the battery catches fire.
Li batteries all need individual cell monitoring during charge and use or at
least when charging after mostly charged.
The problem with Ni MH batteries is the number of cells (10 for a nominal 12
V system). You will have at least one weaker cell which will deep discharge
more than the others and will be undercharged or more likely the other cells
will overcharge resulting in reduced battery life. Individual cell
monitoring would help but with 10 cells vs 4 for Li it is a pain.
3 years isn't bad for a NiMH battery pack.
Some people have a problem with max weight of non lifting parts and a few
kilos saved may make the difference between flying in or outside  the weight
and balance envelope. For these LiFEPO4 may be worthwhile but use the
correct cells.
The cylindrical Tenergy cells sold by these people have engineering data and
are Underwriter Labs tested. The tests are published there too. Start
here:http://www.all-battery.com/lifepo4battery.aspx
I've dealt with them and they did what they said they would.
Also these people may be of interest: The batteries seem to be the same as
the Tenergy cells but with a different colour outer sleeve.
They have battery monitoring/cutoff circuitry available also. You must use a
low voltage cutoff at least.
http://lithbattoz.com.au
The old sealed lead acid batteries are OK. They are heavier although in many
installations that may not matter. The capacity is usually quoted at the 20
hour rate. In modern gliders 1 amp continuous is not an unusual load so
that's the 7 hour rate. Likely it is a 5 A-H battery at this rate. Give it a
couple of dozen charge cycles and it is a 3 or 4 A-H battery and you begin
to have problems. Note also the number of cycles you get is non linear with
depth of discharge. Small % discharge you'll get lots of cycles. Large %
discharge many, many fewer cycles.
Size the battery to handle the longest flights and then use two batteries.
Use one routinely, keep the other charged then when the first battery dies
due to low capacity you have a known good battery.
Put that one in  the first position then put a new one in the standby
position. You should always have a good battery available then.
If using some new type either learn enough to do an engineering analysis or
find someone willing to do one for you. Otherwise these things may get
needlessly banned or we have fires in gliders. It would be embarrassing to
explain to your insurance compny why you had to bail out of your burning
glider.

Mike


___

Re: [Aus-soaring] BORING

2012-07-02 Thread Arie van Spronssen

So that's what a cloud street looks like.

It's been so wet down here (NSW Central Coast) I got excited about 1 
knot to 2500 in the blue a few weeks back.


Arie



On 2/07/2012 5:32 PM, Adam Woolley wrote:

Video of the fun had on the weekend: http://www.youtube.com/watch?v=pxoVHG1vuT0


Cheers,
WPP



On 2012-07-02 01:40:05 + Bernie  Sue size...@iprimus.com.au wrote:


How nice to have a flying report on this forum, especially during winter.
Thanks Adam.


-Original Message-
  From: aus-soaring-boun...@lists.internode.on.net
[mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of Adam
Woolley
Sent: Sunday, 1 July 2012 6:39 PM
To: aus-soaring@lists.internode.on.net
Subject: [Aus-soaring] BORING

G'day All,

Thought I'd put a boring report together of my weekend soaring activity in
the KING-A-ROY area.  Saturday was a non-rostered tug pilot day, thankfully
though with a few phone calls we were lucky enough to get a launch at 1300 -
not one launch, but 5 of them for the hungry pilots that wouldn't accept no
gliding for an answer. Thanks DMF!  I spoke with Colin's passengers (who
took to the sky in the DUO) afterwards, they had a ball  enjoyed an evening
out at the club, before checking out the area on four wheels on Sunday.

Conditions saw an average of 2kt climbs around the area, even though they
were regular enough under very lightly spaced wisps - I didn't venture
outside of glide. Partly because the paddocks were quite wet in areas, 
fine elsewhere. I flew alongside Simon  Don up to heights of 6,500' -
thanks for the company. W3 is performing well, though with everything so
well sealed, it's blowing out the high pressure air out the wing-gap seals =
strategically placed vent required? I landed in the smooth conditions at
1530 after climbing in a weak climb earlier - great to be airborne again
after 10wks off!

I received a phone call from the Trotters saying that they'll be up on
Sunday, I naturally responded 'great, the weather is looking better for an
XC flight'. In the end, jagged that one - it was much better than forecast!

We launched at 1140 into weak conditions under a CU filled sky. Thankfully
after a 1/2hr, conditions improved  stayed that way. Declared task of
Kumbia, Murgon  home. Thankfully mother nature took it's place  set up an
epic street that we couldn't resist! I asked the Trotters what their goal
was for the day, they responded with 'just to pay particular attention to
having fun,  working on communications'. We promptly abandoned the task to
fly what looked like a great line. It was.

All three of us in close proximity, cruising down the line, just playing. My
first L/D was 167:1 for 50km, before running into a 7.1kt climb for 1100'.

  From there  after we turned around, all of us flying 78km at a staggering

277:1 ! We were joined by Colin  Simon on this street, turning for Murgon
approx 11km to the SE of Nanango.

Off the freight train  into regular XC conditions. The paddocks below we're
like lakes, thankfully the climbs were still there - working 4kts to the
North. Overhead Murgon the Trotters got the jump, climbing in a nice 5kt
climb. I was close by, but slow to react persisting with my 3kt climb to
long. We decided to keep tracking North on the track line towards Windera,
before pulling the pin approx 15km from the turn.

Changing gears now, we start topping up in weaker climbs  taking bigger
deviations as we enter areas of uncertainty  blue holes. Lisa surging ahead
now, picked up a climb over head Woroolin to get a marginal final glide in.
Pete had a slightly better run  landed quite a number of minutes ahead. I
took a similar route to Lisa, though topped up over Wondai in a weak climb
for the same marginal glide - knew I was home as I crossed the 7km point!

All in all a great winters day, 211km at 89.8kph; 3.7kt climbs (17%); 64:1
for 21.7km glides at 60kts. Movie to follow in a few days!

Where we're you?
WPP

P.S. off to Moresby for the first time on Tuesday, to start my induction
into Air Niugini. To date, I've passed my ground school  F100 sim training.
Let the next part of my adventure begin, hopefully it brings as much gliding
in the coming season as it did last!!


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To 

Re: [Aus-soaring] Release tester

2012-06-21 Thread Arie van Spronssen

Hi,

Have a look a the NSW gliding association page it has all the details re 
having a loan of our (yes we all have a share of it being a memeber) 
tester.


http://www.nswgliding.org.au/index.php?option=com_contentview=categorylayout=blogid=37Itemid=60 
http://www.nswgliding.org.au/index.php?option=com_contentview=categorylayout=blogid=37Itemid=60


regards,
Arie

On 21/06/2012 4:36 PM, Kenneth Caldwell wrote:
Can anyone on the list point me to a design for a release tester? 
(That is to say a device which can safely apply a load on the tow hook 
up to about 600 daN without removing the hook from the glider)


My Googling skills seem to have failed me

Ken



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[Aus-soaring] Volkslogger for sale

2010-10-25 Thread Arie van Spronssen

 Hi All,

I have a Volkslogger data logger for sale that I no longer require due 
to a panel upgrade. It comes with a power cable and a serial download 
cable. If you are interested send me a email with a reasonable offer and 
I will consider it (not sure how much these are worth but are a great 
backup unit).


regards,
Arie
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[Aus-soaring] IS28 for sale.

2009-10-28 Thread Arie van Spronssen


IS28 B2.  Good condition, manufactured 1976, instrumentation includes 
Cambridge variometer with repeater, Icon 760 radio, Flarm Nav with 
repeater display in rear panel.  Total time 4,200 hrs, 30 yr survey 
completed Sep 2006.  Current C of A.  Open tandem trailer, Easy-lift 
tow-out device and spare canopy.  $22,000.  Phone 02 6025 4436 or email  
deird at optusnet.com.au
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[Aus-soaring] Winch for Sale

2009-02-24 Thread Arie van Spronssen

Hi,

I have been asked to post the following.

Albury Corowa Gliding Club is selling its winch.
It is in excellent condition. built in the 80s with 1 large single drum 
and no need for lay on gear.

Its built on a tandem trailer.
for more information contact Eugene Blunt on 0260254436 or 
de...@optusnet.com.au mailto:de...@optusnet.com.au



http://www.incredimail.com/index.asp?id=409lang=9
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Re: [Aus-soaring] GFA, marketing and democracy in the GFA (was Re: PDA Programs andothermatters)

2008-05-28 Thread Arie van Spronssen

Hi All,

   On thing that most forget to mention about the RAA is the number of 
ex glider pilots in there ranks. Ask them about gliding and more often 
than not they say they love gliding but can do without the hassle and by 
the hassle they don't mean the all day thing and helping out (go to any 
of their club days and they are there just as long doing jobs around the 
place).


regards,
Arie

Geoff Kidd wrote:

Phil,
 
There is good info in your post and I don't think anyone is saying 
that the existing players aren't putting in the time or effort.
 
However if you use membership as a simple measure or where the GFA 
is at, it is reasonable to conclude that the sport and the GFA is 
withering on the vine and what is being done at the moment isn't 
really working too well.
 
I would certainly be a proponent of board member selection being 
undertaken directly by the membership in a similar manner to the way 
it is done in RAA, as the existing system encourages maintenance of 
the status quo and good governance should require all board members to 
make decisions for the good of the membership as a whole, and not 
appear to be beholding to or controlled by the state associations.
 
All the robust debate in the world by all of the incumbents can't 
hide the fact that the sport is in decline and I doubt that the 
present system has any real ability to reverse that, let alone grow 
the GFA back to strength .. so I ask you, what level of national 
membership will trigger radical change in the GFA? Is it 2,500 
members? Perhaps 2,000? Maybe 1500? Or 1000? How about 500? Or perhaps 
those left can all meet in the kitchen at my joint for a departmental 
restructure.
 
Not so long ago, a GFA rep tripped over to Europe to present a 
paper on what the GFA is doing to reverse the trend. Head in the sand, 
or misjudgement or what?
 
From where I sit, it must be getting close to the point where some 
drastic changes are essential and I know of no decent board that would 
just allow itself to wither like this.
 
Some blame the cost of aircraft and fuel and airport access etc 
etc etc. However those costs are comparable for RAA and they are 
thriving with numerous new aircraft each year in the $100,000 - 
$150,000 range. So what is the big difference between the RAA and the 
GFA? It is the GFA's Club structure and the unbelievable ponderous 
Instructor system .. plus possibly the fact that most/many 
glider pilots don't own or want to own their own aircraft. To change 
these last 3 items effectively will be the hard part.
 
Regards Geoff
 
 
 


- Original Message -
*From:* Phil McCann mailto:[EMAIL PROTECTED]
*To:* Discussion of issues relating to Soaring in Australia.
mailto:aus-soaring@lists.internode.on.net
*Sent:* Wednesday, May 28, 2008 2:24 PM
*Subject:* Re: [Aus-soaring] GFA, marketing and democracy in the
GFA (was Re: PDA Programs andothermatters)

It is good to see a discussion on governance.  I will try not to
be long winded, (thus incurring JR's acerbic wit) but even in
point form this is a huge topic.

Some points to ponder.

The GFA is not them, as in a group of overly conservative people
inflicting their wicked way on down trodden glider pilots, it is
us as in every member of the organisation.

There is nothing that has been raised in this discussion that has
not been thought through and discussed in detail by those members
who volunteer their time to sit on the Board, the Executive, the
range of committees, both regional and national, necessary to
administer our activities.  And before someone gets on the
...there is your problem... band wagon, I suggest they (and
everybody with an interest in gliding) go to

http://www.gfa.org.au/index.php?option=com_contenttask=viewid=251Itemid=190
and have read through a couple of years minutes then tell us all
which bits are no longer needed and why.  This will also give
anyone interested an idea of the range of issues involved in the
administration of a recreational and sporting activity like gliding.

There is no one right governance model for any organisation and we
have the one we have as a result of development over the life of
the organisation.  Is it the best, maybe, possibly not.  Does it
work, yes, to a greater or lesser degree.  Can it be changed, yes,
but only by the development of reasoned proposals and convincing
the membership of the merits of those proposals.

Some comment on the D word which often gets an airing when
someone doesn't get what they want.  Democracy doesn't mean every
individual gets a say in everything.  It is a system of governance
whereby the people govern themselves either by direct means (a
bit impractical) or they give the responsibility to freely elected
groups such as a board of management. GFA has a legally
established charter 

[Aus-soaring] Australian Gliding magazines

2007-08-15 Thread Arie van Spronssen
Hi All,

I have picked up a set of Australian Gliding magazines from a friend 
who no longer has room and who like them to go to a good home.

They are from January 1872 to the Jan/Feb 99 issue with only 
December 1984 missing and are in good to excellent condition.

If you are interested in adding these to your collection please let 
me know. They are free to a good home and I am willing to post at cost.

regards,
Arie
Wyong NSW
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FW: [Aus-soaring] Condor problems

2007-03-27 Thread Arie van Spronssen
Hi All,
 
As a long term Condor user the one thing I have head a lot of complaints
about and that is Joysticks. The general consciences from the condor forums
(lot of info there) is to stay away from Logitech. They just don't seam to
have the sensitivity required. The brand most go for is Saitek and the a
have a full range for most budgets.
 
You could check that you have stick trim where available un ticked on
the input tab under setup. Also check you have patch 10 i.e. condor version
1.1.0 as this will give a % display on the bottom left of you trim position
each time it is moved.
 
If you have any other problem with condor just ask as it is great fun
but remember it will take some time to get use to flying without bum feel (I
find any glider pilot how also fly Radio Control has less of a problem) and
it is like full size when I say time I mean 100+hours so don't despair as we
all had the same problems to start with.
 
If you want more tips on Condor just ask.
 
regards,
Arie

   _  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Peter
Stephenson
Sent: Monday, 26 March 2007 9:11 PM
To: Soaring List
Subject: [Aus-soaring] Condor problems


Can anyone advise me on the problems we have with Condor?  
 
My trim does not work either which makes it tiring on long Xcountries.  My
joystick is a  Logitech Extreme 3D Pro.  
 
Does anyone use a joystick that has trim control and feed back that works?
 
PeterS

. 

tried that and no go. 



 


   _  


 

:-( Perhaps you need to activate it in the setup? PeterS

 






I do have a force feed back stick but it does not seem to work on Condor. I
have only had the program for a week,  is the one who knows it well. 



 

If you put the nose down and then bank and pull back stick to create the
spiral dive you will rapidly black out just before you hear the wing snap
off!

 

Regards

 



  

Do you have a feed-back joy-stick that demonstrates the unloading of the
elevator?   I do not have one but am considering buying one.  

 

If you do a loop and pull back too hard the screen greys out and you hear
the spar groaning. :-)  Fantastic program.

 

PeterS






Hi all 



 

Tried a dozen spiral dives on condor flight simulator. Even without the G’s
which would make it dramatically worse, it all happens very quickly. Snapped
a few wings. Equally so I found it a it  a great way to drill the correct
procedure for recovery. Perhaps the only way to demonstrate it.

 

Regards

 

 

 

 


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[Aus-soaring] Condor

2007-02-15 Thread Arie van Spronssen
 
Hi All,

With all this talk Condor where are you all in the online condor
world as I only ever come across a few aussies.

If you are interested we usually put up a task on Tuesdays  Fridays
around 8pm and they are always on the server list with AUS in the name. We
also fly tasks any other night by arrangement and some wet sundays as well
(when we get them!).

Regards,
Arie

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[Aus-soaring] Dynamic Soaring

2007-01-18 Thread Arie van Spronssen
Hi All,

For a good video with good sound have a look at
http://www.rcuvideos.com/view_video.php?viewkey=fc182d371c3e9ed31609 the
sound made going back into the front side lift/wind is whip like sound you
hear. This guy only got to 177mph but they have got to 301 mph.

Regards,
Arie
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Chad Nowak
Sent: Thursday, 18 January 2007 6:44 PM
To: aus-soaring@lists.internode.on.net
Subject: Re: [Aus-soaring] NASA, a Super Blanik and Dynamic Soaring

The amount and size the rotor on the lee side depends on the shape of the
ridge and precise wind direction.  I have sometimes noticed basically no
rotor on the lee side.  At the DS site at withcott we land our gliders on
the lee side as it is the only possible place to land and the air is quite
smooth.  If the ridge is steep on both sides and sharp at the top the totor
can be quite tame.  In some cases the rotor will push the air back up the
ridge on the lee side. Basically, the air is going in opposite directions in
either side of the ridge but not as fast on the lee side.  This type of
rotor can be used to extract even more energy at the bottom part of the
curcuit just you would from the top.

From: Peter Stephenson [EMAIL PROTECTED]
Reply-To: Discussion of issues relating to Soaring in 
Australia.aus-soaring@lists.internode.on.net
To: Discussion of issues relating to Soaring in 
Australia.aus-soaring@lists.internode.on.net
Subject: Re: [Aus-soaring] NASA, a Super Blanik and Dynamic Soaring
Date: Thu, 18 Jan 2007 12:22:50 +1000

Dynamic soaring on the lee-side of the ridge in a strong breeze does 
not mention/show rotor.
PeterS
- Original Message -
From: Chad Nowak [EMAIL PROTECTED]
To: aus-soaring@lists.internode.on.net
Sent: Wednesday, January 17, 2007 9:24 PM
Subject: Re: [Aus-soaring] NASA, a Super Blanik and Dynamic Soaring


  The best way is to Google Dynamic Soaring or DS'ing.  Some sites I 
  found
  are:
  http://www.geocities.com/soaringbythebay/dsoar.htm
  or:
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RE: [Aus-soaring] Rope On Winches

2005-01-24 Thread Arie van Spronssen
Hi Michael,

I fly at Mangrove Mountain NSW were we have been using standard 10
poly rope for over 6 years. On the glider end we have a swivel then a
parachute made from a small grain bail bag then a weak link then 5 meter
length of think rope in a plastic sleeve to the rings.

We use a chute as we have lots of x-wind and a narrow strip. The
rope is always wound right back to the winch at speed to keep the tension up
which makes for less problems on the tow out.

In practice the stretch is not a factor as the bow in the rope
causes the same effect. The one thing with the stretch the ride from the
glider end is very smooth.

Our winch is a 351 Cleveland through a 3 speed auto to a 2 ton diff
and axel. The only mods we have done is a bigger drum to hold the rope. The
drum no longer has guards over it either (the drive is in a metal cage).
From a which driver perspective there is no difference in power required for
a given day over the old wire launch.

Our strip is almost all grass now thanks to a lot of effort over the
years but it is still hard on the rope as there is a ~50 foot hill in the
middle of our strip which doesn't have much grass on it (not to mention the
dip and bend) so it is though of the rope but when the sums are done. The
rope doesn't last as long but the lower cost means the cost per launch is
better.

The biggest plus with the rope is tangles and rope breaks are easy
to fix. No more having people all over the strip straighting out the wire
and holding it there to stop it coiling up again (been there done that). I
have seen problems that would have taken hours with the wire to sort out
fixed in 15min without rushing. We have also found that the overruns caused
by a back realse under tension are very rear happens anymore and if they do
most time you just keep winding in the rope with the loop then just tow it
out slowly.

Would I use anything else? No way if we went back to wire I would
move clubs again. I got tired of the wire problems and flew elsewhere for 6
years and only came back after a few visits and found out how much lees work
is required when using rope.

Regards,
Arie van Spronssen
Ka6cr driver

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Michael
Derry
Sent: Monday, 24 January 2005 12:25 AM
To: [EMAIL PROTECTED]; aus-soaring@lists.internode.on.net
Subject: [Aus-soaring] Rope On Winches

Can anyone out there who is using rope on winches or has had experience
doing so please let me know if:

-they use a trace on the glider end of the rope
-they use a recovery chute
-how do they cope with stretch in the rope (ie: use non stretch rope or
auto transmission or some other means) ?
-What technique you use to get the twist out of new rope ?
-Is the swivel effective or a waste of time ?
-Do you splice your joins or tie knots ?
-Do you use a rope or metal weak link ?
-Do you use a tension measuring device ?
-why did you go with or stay with rope rather than wire ?
-which ropes have you tried and liked or disliked ?
-what surface are you operating on: ie grass gravel etc ?

Cheers

Michael Derry
Have Fun Flying Safely

PS Hopefully someone from the Gippsland Gliding Club will reply.
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[Aus-soaring] Passing of Jim Stanley

2004-07-06 Thread Arie van Spronssen








Hi All,



 I receive the following email
early last week and though a few people would like to know of the passing of Lake Keepits
hard working manager of the last few years.





Arie van
 Spronssen 





















It is with a great deal of regret that I have to write this
e-mail to you.











On Saturday afternoon 26th June, Jim passed away peacefully
in Tamworth Base Hospital.
We are all terribly saddened as we had recently had a great deal of hope that
Jim was going to make a recovery. He was surrounded by love from his very
close friends and family. Jim's funeralwill be held at the Tamworth
Crematorium on Wednesday 30th June at 2.00pm. For those who are unable to
make it there will be a memorial service on the weekend of 7th  8th August
at the airfield. Pleasering Harry or Wendy for further details on
0428439501 or [EMAIL PROTECTED].--











Wendy Harry and Sandra 




















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