Originally Posted by Ziggythewiz
I have a 31B. Do you know the specs for the C? I expect the reason for the low end of the rating would be for cooling. If you're running at under 72V it won't be spinning fast enough to self cool.
I think you'd be fine running at the lower voltage (aside from being extra sluggy) if you added a forced air blower for the motor.
I will run this motor at 72v and up,I will not go 48v on this one.