
Originally Posted by
Don42
Really nice project! One comment for future reference: Permanent magnet and shunt-wound DC motors do not lose torque at reduced speed. Torque is limited only by max current. As speed is varied by supply voltage or by a PWM controller, torque can be up to max from rated speed clear down to stall. Series wound DC motors as are commonly found in corded power tools deliver more torque at lower speeds.
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