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Old Sep 04, 2002, 08:54 PM
NY, LONG Island
Joined Jan 2001
116 Posts
40 degrees

Control throws:
Approx 40 degrees both ways for all surfaces. ====================== What is this in inches 3/16 1/4 or is this from a full 360 or 90 degree , thanks if you can help me out on this sorta scratch built by someone and Im now buildind it.
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Old Sep 04, 2002, 09:07 PM
Andy W's Avatar
Marietta, GA
Joined Jun 1999
43,312 Posts
It means 40 degrees up and 40 degrees down from neutral (seems rather extreme for a model of this type).

If the surface is 1/2" long, the 40 degrees is about 1/2" from neutral.
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Old Sep 04, 2002, 09:37 PM
Ascended Master
Sparky Paul's Avatar
Palmdale, CA
Joined Oct 2000
13,550 Posts
40 degrees is WAY too much surface motion unless you intend to fly the airplane slowly and in a hover.
I doubt that is your intention, from the picture.
It will not fly well or very long.
Try 20 degrees.
Sparky Paul
PJB's Seriously Aeronautical Stuff
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Old Sep 04, 2002, 11:15 PM
Registered User
Colonial Heights, Virginia, USA
Joined Mar 2001
1,710 Posts
hi Teddy...... 40 deg is about 1/2 way between straight up vertical & horizontal flat .................. kw
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Old Sep 05, 2002, 04:05 AM
Grand Poobah of Nothing
Trizza's Avatar
Once Australia, now Finland
Joined Feb 2001
1,022 Posts
Hi Teddy,

That plane is my design, the Coros 400. I used 40 degrees and I quite liked it, but if you don't want that sort of throw then try it around the 25/30 degree mark.

40 degrees is about 12mm, if I recall the aileron width (6 flutes?) correctly.

The reason I used 40 degrees is I propped it for fun, not speed, with a 6*3 folder. At higher speeds (using a prop like a 4.7*4.7 or something) I'd imagine you'd use a lot less throw.

Great to see my design is getting around
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