Thread: New Product Baudis Fosa F3B/F3F
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Old Nov 12, 2010, 11:44 AM
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Reto wins for these perfectly distilled sentences...there is a reason why he has a PhD:

"Thus I agree that if one could use a similar airfoil on both wings (and if it would be invariant to smaller RE over that range), it would result in the same frontal and wetted skin area and presumably not add more drag at cl=0.

But due to structural reasons and the need to put in servos, I assumed that the high AR wing needs to have a thicker airfoil. But we anyway don't know what airfoils are used on the Fosa and how they work over the relevant RE range, so it is all speculative."

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