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RC-Monster Mike
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01.29.2006, 01:53 PM

Maxxdude and Serum - nice discussion and I am glad on this fine Sunday that we worked it all out in such a friendly manner. :)
To summarize.....Maxxdude is 100% correct on the "laws". If you take the same setup and simply add voltage, the amp draw will increase proportionally as well and therefore increase total power and decrease runtime(within battery limits, of course). For our purposes, though, the "identical" setup is seldom used when we add voltage(nor should it be). When we add voltage, but change the gearing to achieve the same speed, runtime will surely increase, even with the same motor. If the motor is changed to accomodate the higher voltage, runtime AND speed can easily be increased(hence the purpose of selecting an appropriate motor for the application to maximize power, speed and runtime). Basically, you are both right!
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