thanks igbzone that was spot on i have a few lipos to experiment with now so will post when i work out runtimes with differant pinion sizes. got 15 - 20 so got some messing to do
can gearing up sometimes help runtimes. as the motor is not flat out as much
it has helped in my 1/10th before.
but it sounds like i should manage ok with what batts i got.
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