Thread: Help! Pattern type airfoils
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Old Nov 25, 2012, 03:27 PM
gaRCfield is offline
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United States, OH, Cincinnati
Joined May 2008
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Take a look at BJ Craft's airplanes (Nuance, Prolog, Monolog, Episode, etc) - the designer is an aero engineer who designs the wings by the numbers.

Some of the current 'tricks' are with combining two airfoils, with a stepped transition somewhere near 2/3 to 3/4 of the span. I think the purpose is to 'loosen up' a stable wing for better snap performance, etc.
http://rcone.kr/board/index.html?id=bjair1&page=2&no=87
http://www.krill-model.com/download/.../index_usa.htm
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