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Re: watts per HP

To: Shop Talk <shop-talk@autox.team.net>
Subject: Re: watts per HP
From: Bill Rabel <brabel@dlux.net>
Date: Sun, 17 Feb 2002 10:50:57 -0800
This is why I didn't bother to look it up...

> Me: My recollection is that there
> are 700-odd watts to the horsepower.

> Derek: The  conversion we use is 1 hp equals .7457kilowatts or 745 
> watts.

> Ron: When I was in school it was 746 watts/hp.
> Wish I could remember the important things in life.

> Randall: Except that electric motors aren't perfectly efficient, and 
> generally don't
> have perfect power factors, so volts times amps isn't necessarily watts.
> 1000 "volts times amps" (1kVA) per horsepower is a pretty good rule of 
> thumb
> for motors in this range.

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