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Originally Posted by meb
Milliken discuss a trapped vortex in the aero chapter. I'm intrigued and have wondered about an application to a relative small hatchback design. Since the car in question produces modest power, 210bhp, I would prefer to concentrate on priciples that reduce drag rather than create downforce.
How sound is this principle in practice? I also imagine a rear diffuser might work in concert...the basic idea is to reduce the wind wake.
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First look at the Tech rules of the SCCA or NASA as to what you can and can not do for aerodymanics.
Racing rules dictate almost everthing.
rear diffusers only work with the whole underbody is closed off, the car has side skirts too.