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Old 08-19-2015, 05:31 PM   #18 (permalink)
aerohead
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Quote:
Originally Posted by darcane View Post
It must?

Aerohead would have to give any exact numbers from his source... But Cd of an infinitely long cylinder moving at low speeds through air is typically given as 1.2. 1/35th of that is .034. That's in the right realm for a streamlined body.
Perhaps Abbott and von Doenhoff lists the drag table for this particular airfoil section.
Walter Korff offered a drag value for structural sections as a function of a hundred feet of length at 100-mph.We can probably reverse-engineer some values from that.
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