The Definitive Z34 Brake Resource

Originally Posted by weeeee I was thinking about this, but I have never seen NACA ducts drawing in air from under the diffusers, just mainly used to help dissipate heat

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05-20-2010, 11:19 AM

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AP - Chris_B

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Quote:

Originally Posted by weeeee

I was thinking about this, but I have never seen NACA ducts drawing in air from under the diffusers, just mainly used to help dissipate heat from the engine bay. Anyone care to chime in?

Plus, NACA ducts only work in a laminar air flow field. Without wind tunnel testing (or careful track testing if you now how to do it), there is no way to assume the flow is laminar and not turbulent. Once the flow detaches, NACA ducts just don't work. Spinning wheels and tires are great at messing up air flow!

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