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Airfoil for an ultralight sailplane?

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Norcia

New Member
Joined
Jun 25, 2008
Messages
4
Hello everyone! Its great to be here! I usually dabble in remote control glider forums and was pleasantly surprised at the great attitude/awesome projects going on over here! Anyways, I'll cut to the chase.

I am planning on building an ultralight glider very similar to the Goat/Bug planes found here http://home.att.net/~m--sandlin/bug.htm

My plane will be somewhat different in a few aspects however. I plan on using composites throughout the wing and possibly fuselage. The wing construction will be that of a composite D box for the leading edge, and an open rib structure for the aft portion of the wing. The plane will a bit smaller than the goat plane and should weigh a good bit less due to both the composite structure, and the small size of the pilot (I am very light by todays standards at only 130lbs) Now, what I really need to know is what sort of an airfoil to use! The goat plane uses some very VERY simple airfoils that are essentially hand drawn. Should i go with something like that? Or is there a better, more efficient option for what I'm planing on doing? Thanks for your time!

Michael
 
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