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Old March 7th 06, 12:50 AM posted to rec.aviation.piloting,rec.aviation.student
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Default lift, wings, and Bernuolli

On Sat, 4 Mar 2006 at 05:38:33 in message
.com,
wrote:

A more efficient wing will produce less downwash than a less efficient
one, for the same lift.


Yes but it still has to provide the exact same amount of rate of change
of momentum. It tends to move a bigger mass of air slower but at the
same momentum change.
--
David CL Francis