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Old 01-06-2015, 09:46 AM   #50 (permalink)
kach22i
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Quote:
Originally Posted by Madact View Post
.....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.
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 View Post
bump!
1976 BMW 3.5 Csl turbo
Attachment 16734
note the roof deflector
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.
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George
Architect, Artist and Designer of Objects

2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft

You cannot sell aerodynamics in a can............
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