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Old Feb 19, 2013, 04:30 AM
ourbluehorizon is offline
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Help!

Flap and aileron sizes


Hi I am scaling up a hotliner plan to 3 meters and intend making it full house with added flaps. I was wondering what width the ailerons and flaps should be in proportion to the chord of the wing.?
Hope someone can help. I'm afraid it will be electric.
regards
Bob
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Old Feb 19, 2013, 12:40 PM
Curtis Suter is offline
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No hard rule but I prefer 25% of the local chord.

Curtis
Old Feb 19, 2013, 02:47 PM
ourbluehorizon is offline
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Flap size


Quote:
Originally Posted by CloudyIFR View Post
No hard rule but I prefer 25% of the local chord.

Curtis
Hi Curtis

Thanks for prompt reply.
regards
Bob
Old Feb 19, 2013, 09:25 PM
lincoln is offline
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That's about right, but you could also go and look at some successful designs. The Supra is so successful that some people call the Eastern Soaring League the Eastern Supra League instead.

http://charlesriverrc.org/articles/s...supra_wing.pdf
Old Feb 20, 2013, 08:53 AM
ourbluehorizon is offline
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Flap help


Quote:
Originally Posted by lincoln View Post
That's about right, but you could also go and look at some successful designs. The Supra is so successful that some people call the Eastern Soaring League the Eastern Supra League instead.

http://charlesriverrc.org/articles/s...supra_wing.pdf
Had a look at the site and plans. Inspiring. Pictures were very helpful.
Thanks for prompt reply
regards
Bob


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