View Single Post
Old 03-11-2008, 02:10 PM   #15 (permalink)
I'd rather be biking
boxchain's Avatar
Join Date: Feb 2008
Location: New Orleans, LA, US Minor Outlying Islands
Posts: 127

Lexie - '98 Honda Civic LX
90 day: 39.46 mpg (US)

Beater Hauler - '92 Isuzu Pickup

Rentaclipse - '08 Mitsubishi Eclipse ?
90 day: 28.28 mpg (US)

Fahrt - '83 BMW R80 ST
Thanks: 0
Thanked 4 Times in 4 Posts
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.

My bike runs on dihydrogen monoxide.
I like to use these acronyms
  Reply With Quote