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    jdoggy's Avatar
    jdoggy Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jul 6, 2011, 03:31 PM
    How to slow rpms on electric motors with pulleys?
    I have an electric motor that spins 1725 rpm and need to slow it down to around 14 rpm, I'm willing to use pulleys but don't know what sizes to get. I am trying to spin a 55 gal plastic barrell at this rate to tumble waterfowl for taxidermy purposes, any help is very appreciated
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
    Internet Research Expert
    		  
    #2

    Jul 6, 2011, 04:20 PM

    In general you don't want to slow down a motor because they are designed to run at a specific speed. What your looking to do is create a ratio between the motor and the drum.

    Example: A 50:1 ratio would mean the one side spins 50 times to the other side making one revolution.

    In your case you might want to consider a slower motor as it would be much easier to work with.

    14 rpm is pretty slow.

    What you might think about also is using or modifying a cement mixer for your needs.
    jdoggy's Avatar
    jdoggy Posts: 2, Reputation: 1
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    #3

    Jul 6, 2011, 04:27 PM
    Hey thanks for the input,I figured it would be pretty hard to do just thought I would see if anyone had any ideas.
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