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    wood butcher's Avatar
    wood butcher Posts: 1, Reputation: 1
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    #1

    Feb 10, 2010, 09:07 PM
    How do I slow down an electric motor
    I need to reduce the speed of my 1/2 horse electric motor, that is turning at 3470 RPM.
    Using a belt and pulleys, I need a maxium speed of 850 RPM. That is the speed of the band saw that I will be running. Am I correct to think that this roughly a 4 too 1 ratio. And I can simply use a 2in pulley and an 8in pulley? Thank you very much.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    Feb 10, 2010, 09:37 PM

    Yep, but your also going to have to pick a belt.

    Pulley And Belt Information Calculator
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