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Old 04-16-2015, 08:07 AM
JoeDeJong JoeDeJong is offline
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Re: Calculating top speed in each gear given the gear ratios and HP

Quote:
Originally Posted by Black Lotus View Post
. And the frontal area is not a piece of cake to get either.
Probably work up some data by doing a coastdown test for your particular car.

Or you could just take your car out to a back alley and floor it...
The Coastdown test is a good idea. Make note of your curb weight too. When you do your coast down use a stop watch and press the lap button for every 10mph so you can get a good chart of resistance.
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