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  #18  
Old January 25th 07, 03:14 PM posted to rec.aviation.soaring
Ken Kochanski (KK)
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Default Wing Tape - Does Thickness Affect Performance?

Technically, wouldn't ejecting a liquid under pressure to the rear
create a propulsion vector. Younger guys would have an advantage in
both M and V ... older guys would would have more propulsion episodes.


AndyI am do not know about the tape, but a 6"-7" pee tube could generate

about .2 lb of drag at 85 kt, hence a one day contest base on a 1000
points, all else being equal, could reduce the points count by 12-15
points.
Udo