Stalling an RS775

[JamesCH95]

Originally Posted by Oblarg

Does anyone know if it's possible to keep an RS775 stalled indefinitely without damaging the motor by giving it a sufficiently low voltage, and, if so, how low that voltage is?

Thanks.

Yes. Our 2011 robot stalled two RS775 motors to hold our arm in position.

Doing math on the torque required showed each motor was only getting 6-7W of power, which is pretty darn safe.

Can't find the internal resistance spec for a 775 off-hand... You could take a multimeter to a 775 and measure the resistance, figure out a voltage that applies less than, say, 10-12W to the motor, and you're off to a good start.