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Old 04-05-2011, 07:46 PM   #41 (permalink)
winkosmosis
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Join Date: Jan 2009
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Quote:
Originally Posted by Frank Lee View Post
Look at any wind tunnel image with the smoke trails... they sure look to be arcing smoothly up at the hood/windshield to me...
Yeah and at the rear the smoke stream always follows a nice smooth gradual curve downward and rearward. Put a brick in the wind tunnel and you'll see the same thing. Works great for advertising materials!



Last edited by winkosmosis; 04-05-2011 at 08:03 PM..
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