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Old 03-11-2020, 04:41 PM   #508 (permalink)
aerohead
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Prandtl-D

Quote:
Originally Posted by freebeard View Post
Imagine how I must feel. I think I took the quote in too broad a context.

But... If wings are a [non-spanwise] 2D flow, why is the Prandtl-D so effective? Rudders not 2D?
I'm not familiar with it,can you help me out?
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