Quote:
Originally Posted by Madact
.....Sorry if I sound frustrated there, it just irks me a little that it keeps getting applied to everything, when the reality is a whole lot more complex. It's a great tool for vehicle modding which I wouldn't be surprised if it gets you within near-as-makes-no-difference of optimal when adding a kammback to your sedan, and a decent approximation of what you want the air to be doing in a general sense, but the "grand unified theory of fluid dynamics" it ain't.
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I agree, and a good 2D profile is better than nothing.
Turning a blind eye to the cross section or 3D aspects of the template has always been a sensitive issue with me as well.
Quote:
Originally Posted by Hypermiler1995
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Those things work, at least as installed on my pick-up truck.
Just a 1/4" open 45 degree beveled slot at the trailing roof edge does wonders at redirecting surface air flow. See last link in my signature below.