[MetroMPG]

Originally Posted by JQmile

Ok first question...given a weight of say, 1800 pounds, a frontal area of 20 sq ft, and a drag coefficient of .50, how much hp will it take to go down the road at say, 50mph? I used RBR Racing's aero calculator and came up with 12.6hp, but not sure how accurate it is.

https://www.rbracing-rsr.com/aerohpcalc.html

See also:

• Aerodynamic & rolling resistance, power & fuel consumption calculator