Quote:
Originally Posted by Midtenn
Hopefully it's just for pictures. Some wind tunnel videos have shown that (some) louvers work best if the leading slat acts like a gurney and each one following slowly reduces in angle.
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You don’t need that much of gurney flap to get much suction. My driveway labs has one 1/2 inch gurney on the front and at speed in the rain it causes a crazy swirl pattern on the windshield.