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Inverted Junkers flap...

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Autodidact

Well-Known Member
Joined
Oct 21, 2009
Messages
4,511
Location
Oklahoma
Has anyone ever tried an inverted Junkers flap? It seems to me that the low pressure on the bottom of the inverted airfoil of the flap would draw air into the slot and delay separation on the upper surface of the wing. Is anyone aware of any experiments along this line and if the paper(s) can be found?:

invertedjunkersflap.jpg

P.S.,
I'm thinking more roll control at the stall than high lift flaps; obviously you couldn't deflect these downwards much, I don't think, anyway.
 
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