Reply by Abbott

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Posted on Motor for a sander

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2570 posts in 3330 days

#1 posted 04-11-2010 02:15 AM

I believe it is the efficiency of DC (direct current) voltage when compared to AC (alternating current) that produces the horsepower. However retaining that heavy fly wheel certainly would be preferable as it may effect the torque you will need for your heavy drum sander, I do not know. I know that the fins on the back of the motor/flywheel I am using are designed to move air through the motor.

For my bandsaw conversion using a 2 1/2 horse motor should let me cut 1/4” plate steel without any issues and if the V belt doesn’t slip I will be able to cut up to 3/8” plate steel.

If belt slippage may be a problem for your sander application I know of a guy who converted his bandsaw to use timing belt pulleys rather then V belt pulleys. All of these parts are readily available from McMaster-Carr. I would also consider keeping the serpentine belt pulley if that’s what your motor has and setting your machine up with a serpentine pulley at the drum while keeping in mind what length serpentine belts are available.

-- Ohh mann...pancakes and boobies...I'll bet that's what Heaven is like! ♣ ♣ ♣ ♣

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