Quote:
Originally Posted by aerohead
If the roof inclination is too 'fast' the downwash will be held down the center by a macro version of the effect created by VGs,except the vortices are large and can contribute significantly to drag.
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With that in mind, I noticed the back edge of the factory kammback curls up. Seen most easily in the first picture. If that lip is effective at redirecting air toward where the template would fall, could the added kammback reduce that effect, and be worse than the factory setup?