04-28-2012, 02:16 PM
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#20 (permalink)
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Master EcoModder
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Epa
Quote:
Originally Posted by California98Civic
Wait. "Cd" is coefficient of drag. "Frontal area" is the total area of the car as "seen" by the wind. "CdA" is the product of the coefficient of drag times the frontal area. That's correct, right?
A mod can increase frontal area and yet decrease total drag (CdA) if it reduces the coefficient of drag. An example is a really large and low airdam, as in this thread.
(EPA calculates frontal area only to include the area minus the wheels and mirrors, but including any protruding suspension and such.)
This is correct, yes?
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For your second question please see #12(permalink) above |
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