Yes, we ran some of tanks on EVs at 12v, at heavier weights, so let's explore all the parameters to help diagnose the problem:

1) What gear ratio are you using between the motors and drive shaft?

2) What's the diameter of your friction drive wheels?

3) What type of speed control, if any, are you using?

4) What size wiring runs between the batteries and the motors?

5) How old are the EVs?

        Frank P.

On 1/5/2011 10:22 AM, HV wrote:
Yeah, I'm definitely short of torque, but I had the impression that
others were able to run EVW's at 12V OK. Probably not the case eh?

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