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Old 03-11-2008, 02:10 PM   #15 (permalink)
boxchain
I'd rather be biking
 
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Join Date: Feb 2008
Location: New Orleans, LA, US Minor Outlying Islands
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Lexie - '98 Honda Civic LX
90 day: 39.46 mpg (US)

Beater Hauler - '92 Isuzu Pickup

Rentaclipse - '08 Mitsubishi Eclipse ?
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Quote:
Originally Posted by GenKreton View Post
I'm not sure what the second part of the equation is, the addition, but in order to add numbers, the units MUST match. Pmotive=1/2*Cd*A*rho*v^3 is normal for a flat surface. What is Crr1?
Crr1 is the coefficient of rolling resistance. This is linear w.r.t. weight and speed, and becomes a small factor in the equation at speed when the air effects dominate.
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