Thread: Discussion 3.2m thermal 'wing
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Old Jul 30, 2011, 01:58 PM
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Quote:
Originally Posted by miniphase View Post
Time for another 'wing!



Quote:
Is there any benefit from a 3 stage washout like the later CO 'wings?
Yes. The washout produces a dead spot on the wing that produces no lift but plenty of drag. Thus 'wings do have parasite drag even though they don't have all those nasty non-wing parts. Non-linear washout reduces the size of this dead spot and moves it toward the tip where it adds to the directional stability.

--Norm
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