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Old 06-27-2012, 10:07 PM   #16
TheRipler
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Quote:
Originally Posted by carbonBLUE View Post
for example a teardrop has almost the same CoD as a sphere but a sphere has mor turbulent air behind it, which causes a suction in the opposite direction of movement. The teardrops tail gives a path for the air to follow completely eliminating the turbulent air behind it
I think what you're trying to do is compare a sphere and teardrop with the same frontal area. The Cd on the sphere will be nearly 10x that of the teardrop.

Take three objects that, from the front, look like a circle with the same radius:

Disk : Cd = 1.15
Sphere: Cd = .47
Teardrop: Cd = .05
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