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Old 08-22-2012, 08:04 PM   #16 (permalink)
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Sorry for using 'invoked' in two different senses in a single post.

As penance I will refute myself: There is such a car, the Renault R8.

I thought the cooling air exhaust created an invisible spoiler that flipped air downward with a vortex. But as the vented air probably bleeds straight back, the reported gains [citation needed] might be due to the Coanda effect.
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