Another Ryobi video

wahoowad Posted By wahoowad, Nov 25, 2006 at 2:00 AM

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  1. jjbaer

    jjbaer
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    Oct 24, 2006
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    Hi,

    1 HP equals about 746 watts so 3HP is about 2,200 watts. On a 120 volt circuit, that's about 18.5 amps, assuming a 100% conversion of electrical energy to HP. Since motors are about 85% efficient, at 3HP max you'd probably draw about 22 amps. So......IF it's a 120 volt 20 amp circuit, you're marginal in being able to operate it......
     
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