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Old 10-09-2016, 08:12 PM   #149 (permalink)
Vman455
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Pope Pious the Prius - '13 Toyota Prius Two
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Did coastdown testing today, since the weather was nice and the winds unusually light. Using this method, I did 6 runs (3 north, 3 south) on a flat stretch of road, measured the mirrors I took off the car to get an accurate frontal area, adjusted rho for altitude, temperature, and pressure, estimated the weight (curb weight+me+150 lbs of sound deadening--it might be lighter in actuality since the tank is almost empty) and plugged it all into the spreadsheet. Looks like around Cd .212 and Crr .010.
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