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Unread 25-09-2003, 19:04
Jnadke Jnadke is offline
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Do you have any specifications on the motors? All you need to know is max RPM and stall torque and you can find it out.

Power output= free speed/2 (RPM) * stall torque/2 (Nm) * 2pi/60 (unit-related, do a google search for motor power)
Electrical Input Power = Voltage * Stall Current / 2

Power output is always the highest at 1/2 the free speed / stall torque. The 2pi/60 is to convert RPM to rad/sec. Additional conversion factors are needed if the torque is not expressed in newton meters.

The torque and speed can be adjusted accordingly using gears, all we need to know is the power output of the motor (not power input, which is voltage times current).


EDIT: Fixed power equation.
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Last edited by Jnadke : 25-09-2003 at 23:24.
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