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Twist Equations: Panknin vs Culver

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Aerowerx

Well-Known Member
Joined
Dec 1, 2011
Messages
6,097
Location
Marion, Ohio
I have been comparing the Panknin and Culver equations for calculating the required twist of a swept tapered wing, as presented on the B2Streams website.

You would think that even though they use different methods that they would give similar results.

However, I noticed that with Panknin the required twist gets smaller as the sweep increases. But with Culver the twist gets bigger as the sweep increases.:ermm:

So, what's going on here? Or is this version of the Culver equation wrong?
 
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