East Palestine, Ohio (Columbiana Co.) | Don't know specific speeds, but swapping the pulleys (taking the one off the motor and putting it on the auger and auger pulley on motor) on a Harvestore powersweep unloader of the 1970's vintage will result in about 3x the out put with the same belts and the motor seemed to handle it alright as it never overheated or had trouble starting again underload.
FWIW............The Dumb Farmer |