Quote:
Originally Posted by Jeff Higgins
There is only one way that these old air cooled motors can come anywhere close to these wild horsepower claims - exceedingly high rpm's. ...
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This. Torque is power. Horsepower is Torque * RPM divided by 5252. So....a motor making only 250 lb/ft of torque at 10,504 RPMs would be making 500 HP. Island says many things come into play other than the 'air pump' capacity and he's right. Not so much at 3K RPM, but certainly at 8K RPM.