[RCSE] First flight (New Zagi owner ...)

2000-06-04 Thread Tord



First,
  try to find a slope!
  
  Take off the propeller!
  
  Then throw the plane slightly downward
  and try to fly in an even manner down 
  the hill (with nil spped visavi the air it
  will just fall out of the sky)!
  
  And use a forward CG (as per instructions)! Later
  you can experiment with relaxed stability!
  
  Typical beginners errors:

Not understanding how controls change when you
fly towards yourself (your RC car experience should
make that easy).

Doing too big and erratic control inputs (smooth
and soft is the word - like you're are trying to
arouse your bed partner - apply force only when
your on top of things :-)!

Trying to fly too slowly! Glide ratio is much worse
at low speed than high speed, so try to keep the speed up!
If you're getting close to a stall push the stick fully forward
till the aircraft is more or less vertical, so it picks up
speed fast and you regain (hopefully) full control!

After three, four flights down the hill (unpowered)
you're ready for power - if it wants to fly too
far off just pull full elevator and full aileron - it sure
will descend rapidly but with little speed! And without a
propeller in place there very is little that can break!

Tord,
Sweden

-- 
If reply difficulties - use [EMAIL PROTECTED]

Tord S. Eriksson, Ovralidsg.25:5, S-422 47 Hisings Backa, Sweden




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[RCSE] For Sale 100" Super-V..

2000-06-04 Thread Orbitone


Selling a Super-V 100" version this is the 1 piece version very "Rare" comes
with all the servos installed and a battery pack.. Fuselage needs a few
minor repairs this plane must be bought Local to so cal orange county are
its not shippable its a 1 piece wing!! Price is.. $350.00 and you must pick
up I live in Huntington Beach cal... near the HSS Field has Hitec Servos
MG's I think all 6 ??
Mike 714 960-2835 home
Mike's pager 714 266-9500


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Re: [RCSE] full-size wing vapor

2000-06-04 Thread george


Here is an explanation that is not technically correct, 
or accurate. I learned about this process in a class in 
junior college over 20 years ago.  What I remember is 
sketchy; inaccurate.

Water reaches it's 'dew point' i.e.. forms clouds, 
( where the water in the atmosphere condenses and forms 
water drops; as on the side af your cold soda or beer glass )
when it reaches a certain drop in temperature and pressure combination.

If I remember correctly, this is called the Adiabatic 
Process (spelling?) for those who want to look it up.  
This is why clouds form at a certain altitude ( the combo 
of the drop in air pressure and the temperature drop )

On TV, at air shows, and watching commercial planes landing,
I have occasionally seen vapor trails coming off the wing tips 
of jets as the are pulling up into a steep climb or turn, causing
a pressure change.   This is the same process as in the photo.  

This plane is flying right off the the surface of the ocean,  
and there seems to be many low clouds ( lots of moisture ).  
The plane is compressing the air, changing the pressure/tempurature
and causing the adiabatic process ( dew point ) to occur.

I am sure my explanation is not very accurate, but it is close.

George



"Ciurpita, Greg" wrote:
> 
> by now most of you have seen the still-frame of the
> F-18 and cloud that appeared in sports illustrated:

>i get to see airliners fly overhead every
> 5 minutes.  lately i've begun noticing vapor clouds
> forming behind the wings in certain spots in the air.
> yesterday, i saw this for sure, as a plane flew directly
> overhead and relatively low..
> 
> what is this, and what is its cause?
> 

> ""
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[RCSE] Seiko S321 stopwatches

2000-06-04 Thread Len Revelle

Anyone here have these stopwatches at a decent price or know who does?
TIA
*
  Len Revelle[EMAIL PROTECTED]
  N9IJ [EMAIL PROTECTED]
  AMA 60055  http://user.mc.net/~lenrev
*


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Re: [RCSE] full-size wing vapor

2000-06-04 Thread Graham

You can also see this happen with prop driven aircraft as well,
both around the propellers and over the wing and is quite dependent 
on the amount of moisture in the air. You can see it in a corkscrew 
shape as it forms behind the tips of the propellors.

When you compress a parcel of air it will heat up and when it expands
it cools and if it cools sufficiently then the water vapour can condense
out to form mist/fog/cloud

cheers, Graham

At 06:00 AM 6/4/00 -0700, you wrote:
>> both produce a vapor cloud, and the sports illustrated
>> blurb suggested that this occurs just as the plane
>> goes super-sonic.  i doubt that the fly-by in the mpeg
>> was even near super-sonic that close to the ground and
>> crew.
>>
>
>I haven't seen the picture, but if the vapor cloud has a straight leading
>edge
>that trails off at 45 deg. angles, IT IS THE SOUND BARRIER
>
>
>lately i've begun noticing vapor clouds
>> forming behind the wings in certain spots in the air.
>> yesterday, i saw this for sure, as a plane flew directly
>> overhead and relatively low.  i could see a vapor trail,
>> maybe 10% of the wing chord behind the wing.  obviously,
>> i can't see if it forms above the wing.
>>
>> what is this, and what is its cause?
>
>The low pressure area precipitates the available moisture into a cloud.
>You can also see this on the top surface of most fighter jet wings when they
>perform high G maneuvers and from the wing tips of many jets.
>The effects are dependent on the available moisture in the air.
>We don't see it much in AZ.
>
> Mark Mech
>[EMAIL PROTECTED]
>www.aerofoam.com
>
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Re: [RCSE] Launch Height

2000-06-04 Thread David A. Enete

>How long are your arms?

Let me get the laser range-finder to measure...ok, 60 feet.
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[RCSE] Sacramento Sloping

2000-06-04 Thread Garland Hanson

I'll be visiting Sacramento on business this coming Wed-Fri, June 7-9.  I'm
looking for the lowdown on local sloping sites.  I'm not sure which side of
town I'm staying on but it doesn't matter!!!
Any help appreciated.
Thanks in advance,
Garland Hanson
CASL

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[RCSE] Flap ratchets for Stylus?

2000-06-04 Thread AMA3655

Does anybody know of a way to put a "toothier"  ratchet on the Stylus flap 
stick? It never was very strong, and after about a million flights I find 
myself wishing it had a more positive feel... 

TIA - Rob Glover
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Re: [RCSE] full-size wing vapor

2000-06-04 Thread Aerofoam

> both produce a vapor cloud, and the sports illustrated
> blurb suggested that this occurs just as the plane
> goes super-sonic.  i doubt that the fly-by in the mpeg
> was even near super-sonic that close to the ground and
> crew.
>

I haven't seen the picture, but if the vapor cloud has a straight leading
edge
that trails off at 45 deg. angles, IT IS THE SOUND BARRIER


lately i've begun noticing vapor clouds
> forming behind the wings in certain spots in the air.
> yesterday, i saw this for sure, as a plane flew directly
> overhead and relatively low.  i could see a vapor trail,
> maybe 10% of the wing chord behind the wing.  obviously,
> i can't see if it forms above the wing.
>
> what is this, and what is its cause?

The low pressure area precipitates the available moisture into a cloud.
You can also see this on the top surface of most fighter jet wings when they
perform high G maneuvers and from the wing tips of many jets.
The effects are dependent on the available moisture in the air.
We don't see it much in AZ.

 Mark Mech
[EMAIL PROTECTED]
www.aerofoam.com



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[RCSE] full-size wing vapor

2000-06-04 Thread Ciurpita, Greg

by now most of you have seen the still-frame of the
F-18 and cloud that appeared in sports illustrated:
http://cjrcc.tripod.com/jpg/f18.jpg

and you've also seen the mpeg of the fly-by:
http://cjrcc.tripod.com/mpeg/fs14ss.mpeg

both produce a vapor cloud, and the sports illustrated
blurb suggested that this occurs just as the plane
goes super-sonic.  i doubt that the fly-by in the mpeg
was even near super-sonic that close to the ground and
crew.

i live in new jersey, right along the northeast corridor.
at times, i get to see airliners fly overhead every
5 minutes.  lately i've begun noticing vapor clouds
forming behind the wings in certain spots in the air.
yesterday, i saw this for sure, as a plane flew directly
overhead and relatively low.  i could see a vapor trail,
maybe 10% of the wing chord behind the wing.  obviously,
i can't see if it forms above the wing.


what is this, and what is its cause? 

Gregory Ciurpita 
Lucent Technologies, Bell Laboratories
Room 1N436,  Crawford Corner Road, Homdel NJ 07733 
(732) 949-5771 [EMAIL PROTECTED]

"Good programs work. Great programs are easy to debug!"
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RE: [RCSE] More on throwing up

2000-06-04 Thread Klaus K Weiss

I remember back in my youth, getting drunk.  It was the first and last time
for me.  I woke up in the yard, and I had thrown up as well. Don't remember
if it went 100ft, but it must have been close. I think it was also in dead
air - or at least it smelled that way.

Klaus Weiss
Australia


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