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Old 12-02-2014, 05:43 PM   #10 (permalink)
aerohead
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airfoil

Quote:
Originally Posted by Madact View Post
I've always wondered if an airfoil in the opposite of 'downforce' mode could provide a virtual boat-tail - not enough to cause much extra lift to speak of, mind you, just enough to encourage the wake to converge a little quicker - possibly at the sides as well. It would be a fairly small airfoil with very mild camber and a very gentle angle of attack, placed just behind and 'out' from the separation point on a station wagon or similar - just far enough out to catch a little bit of the free stream without impacting on the frontal area...

No idea if it would work or pay off in drag of course - just one of those random thoughts .
Hucho says nothing has worked except boat tails and box-cavities.
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