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Old January 10th 07, 11:17 PM posted to rec.aviation.misc,rec.aviation.piloting
Matt Whiting
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Posts: 2,232
Default Ground effect effectiveness

Ron Hardin wrote:
wrote:

The pressure under the wing is not significantly higher in
ground effect.



It's exactly the same. It holds up the airplane. Little work has been
expended to do it, though.


It doesn't have to be the same. It is the difference in pressure that
provides the force to hold up the airplane, not just the pressure under
the wing.


Matt