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Old Feb 19, 2013, 03:30 AM
Registered User
UK, Ballymena, Ballymena
Joined Aug 2008
138 Posts
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, 11:40 AM
Red Merle ALES
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United States, Mt, Helena
Joined Apr 2002
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No hard rule but I prefer 25% of the local chord.

Curtis
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Old Feb 19, 2013, 01:47 PM
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UK, Ballymena, Ballymena
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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
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Old Feb 19, 2013, 08:25 PM
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United States, MA, Waltham
Joined Dec 2001
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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
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Old Feb 20, 2013, 07:53 AM
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UK, Ballymena, Ballymena
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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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