Quote:
Originally Posted by AdamHeard
Another way to visualize this is to extend the classic torque/speed graph to include negative free speed, you'll see the torque there is 2x the stall torque.
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This looks like a sensible way to demonstrate the point. I did some googling for a bit to try and find an extended motor curve that goes into the negative rpm region, but haven't turned up any good results yet. I'd be interested to see how the power and efficiency curves fit on the negative side as well.