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Old 05-13-2020, 04:45 PM   #21 (permalink)
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Originally Posted by aerohead View Post
*Until you understand the implications of what the local pressure is at the separation line on top of the Cayenne,and what it would mean to move that separation line all the way back to the rear of the car,there would be no point discussing the degree of lift it can telegraph over the rear of the car.I recommend a brush up on Bernoulli.
What separation on the roof of the Cayenne? Have you looked at the wind tunnel video with smoke streams produced by Porsche? Just as one would expect, it doesn't show any separation on the roof.

Modifying the Aerodynamics of Your Road Car

A really good book that should be added to the library of everyone working in automotive aerodynamics, as well as those making car aero modifications at home. - Rob Palin, former Tesla aerodynamicist
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