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What I was alluding to is the Fact that gas engines
produce torque during a smaller portion of the 360 degree rotation. An electric
motor on the other hand puts out torque for 360 degrees. Hence when using an
electric motor to drive for instance, a pump; instead of a 4hp gas engine
one can use approximately a 2 hp and get the same pumping efficiency - like
amount of water moved. I think I came across the formula in an old
Grainger catalog but it isn't in the one I have now. FWI
Wendell ( I'll disregard the donkey crap statement for
the donkey)
Wendell, Actually it depends on the elect. motor as well. If
its DC then there is continuous torque put out, but if its a single phase
standard 1800 rpm motor.. it only puts out torque for 1/2 a rev. If its a 3
phase motor its nearly back to 360 deg torque due to it changing phases.
However at the end of the day.. it still has to raise the lb's so many feet
to be 1 hp.
As far as the donkey comment.. I was just trying to inject a
little humor into a rather dry subject.. no offense intended. My appologies if
any was taken.
Jarrett
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