[TheForge] rpm/horsepower

[Chuck Robinson]

Hey Bob,
Horsepower ratings of motors are pretty meaningless these days. It's pretty
hard to compare them without knowing the FLA ( full load amps) it draws and
the service factor. The higher the number over 1 the better ie. 1.25.
Chuck
----- Original Message -----
From: "Schade" <schade at acegroup.cc>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Wednesday, October 06, 2004 12:33 PM
Subject: [TheForge] rpm/horsepower


>
> I need a new bench grinder. The one I have is 1/2 HP 1750 RPM.
> It seems like everything I have seen is higher horsepower and 3600
> RPM. Is this marketing? Is a 1/2 HP 1750 RPM the same (torque)
> as a 1 HP 3600 RPM?
>
> Bob
>
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