Re: Emergency Power Generator

Posted by JT on February 13, 2003 at 09:11:19 from (206.72.35.208):

In Reply to: Emergency Power Generator posted by Two Bit on February 13, 2003 at 06:06:11:

Don't know where these two are coming from.

Horsepower is the combination of Force and Speed.
One formula is (Torque{ft lbs} X RPM)/5252.

What you are proposing to do is step up the SPEED which will step down the FORCE torque in this example. The horsepower will stay approximatly the same allowing for mechnical losses.

Another way to explain this is take a 30-60 Aultman Taylor and a 3020 John Deere. The Aultman is rated at 30 drawbar HP and the 3020 about 60 dbhp.

The 30-60 in my area will pull a 6 to 8 bottom plow very effectivly while the 3020 would have a hard time with a 4 bottom.

Why?
The Aultman is exerting A LOT (about twice) more force than the JD but is doing it about a fourth the speed.

All in all what you are proposing will work great. I have a 20 kw pto generator with a JD A. On the front of the Generator is a gearbox that steps up the Speed from 500 to 3600.

HTH
JT

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