[Oeva-list] Formulas

Gary Graunke gary at whitecape.org
Sun Apr 20 13:20:57 PDT 2008

See Bob Brandt's book "Build your own electric vehicle".

There was also something on the web Uwe's EV calculator.


David Monroe wrote:
> Hi,
> I'd designing a DC conversion of a 4x4 pickup with a WarP11 motor and 
> 6000 PHET PE-1120 LiFePO4 batteries does anyone have a list of 
> formulas for converting the various properties of the motors, drag of 
> the vehicle, and batteries into range, 0-60 times, top speed, etc. The 
> 4x4 has significant drag which would have to be compensated by 
> additional torque and range. I need to determine how many batteries to 
> purchase and whether or not a smaller motor would suffice.
> Thanks,
> David
> **
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