Re: Flying wing design


Very nice work Paul. I like your taste in "full size" aircraft - I
also have an F35.

I would like to preface the following links with a couple of points,
our main priority was minimizing empty weight (1.7 lbs, 48" span, 18"
chord), therefore the structure is a minimum and not very pretty. My
team mate posted a poor quality video of our first three flight
attempts. We had some issues with the nose wheel as is obvious in the
video. Second flight was overloaded with payload to get an idea of
where its capabilities were at. I think that's enough excuses.

http://picasaweb.google.com/lnc2bldr/UAV

http://s180.photobucket.com/albums/x29/aviator728/?action=view&current=Comp_Movie.flv

Robert


On Sun, 20 Apr 2008 05:31:05 GMT, Paul Ryan
<p_ryan@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:

Gang:
Here's some photos of my flying wing design- on Picasa under the name
of a friend- below-
It was an effort to make a flying wing without the adverse yaw all
flying wing pilots have to learn to love...
The plane has a high aspect ratio (fairly), steerable tip rudders that
actuate outward only. They're better described as drag rudders, and
thanks to modern radios, they're mixed to the ailerons, just enough to
correct the adverse yaw of created by the elevons. This mix can be
switched on and off, but it's almost always on.
This scheme works just about perfectly, the plane flies rock solid like
it's a regular airplane with a tail- no adverse yaw- at all..! Check
out the photos of it during construction, finished, and details of
rigging the tip rudder arrangement in our album at:

picasaweb.google.com/maidana.alicia/UntitledAlbum

-thanks to Martin X. Moleski for the tip.
In the one shot it's under re-construction after a loop a little too
close to the hill. How about the direct-drive torque tube actuation for
the ailerons?
Also included are a few shots of your bro here "back in the day" as the
kids say, hang gliding and some of another of my designs- the Meteor
c.1980 and 1987, the little .051 powered red plane. Maybe Ed Cregger or
some of you will remember shots of this plane from when I posted them to
this group years ago.
-Paul




Martin X. Moleski, SJ wrote:
On Fri, 18 Apr 2008 16:50:36 -0700, Robert Dorsey <be35@xxxxxxx> wrote in <snci045e4gltdm36i4ocdhoeg43dofsmbv@xxxxxxx>:


I have some static pictures with me. I'm supposed to get the flying
video this monday from my teammate. Where is a good place to put them?


Picasa is great for photos.

http://picasa.google.com/index-new2.html

You Tube for videos.

http://www.youtube.com/


We currently don't have them on a website, but may do that in the near
future to share our experience with future teams. It was the SAE West
Aero Design competiton. Teamrcpilot.com is supposed to be puting some
pictures up on their website soon.


Great!


Both of us are pilots, but never flown RC (yet). I have built a couple
of full size planes, and the feeling one gets from flying in an
airplane you built is really close to the feeling you get seeing your
design take flight the first try. I think the biggest compliment we
recieved was from the gentleman that flew it for us. He has 22 years
of RC experience and said if flew great and wouldn't mind adding it to
his collection.


Well done!

Thanks for sharing the story with us.

Looking forward to seeing the photos & vids ...

Marty

.

Relevant Pages

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