Re: Torque?

Posted by JOHN LITZELMAN on March 09, 2001 at 14:02:03 from (64.27.223.218):

In Reply to: Torque? posted by MWKellner on March 09, 2001 at 10:38:23:

If you compute torque based on it's definition (Torque {ft.-#} = 5250 x H.P./RPM) and use the Nebraska Test # 458 data (Super C measured a max. H.P. of 23.67 at the belt, 1651 engine RPM)the torque value would be 75.27 ft-#. You can see from the formula that one of the modern high speed lawn mower engines rated the same H.P. (horsepower) but at an RPM of say 3600, their torque value would be 34.5 or less than half the value of the Super C. Of course, both the Super C and the high speed lawn mower engines probably develop their max. torque values at lower RPM's (although not too much on the Super C), so the actual value is somewhat greater. Since friction loss also results from the testing method (belt measurement) the torque at the flywheel would again be somewhat greater than this computed value.

Some Nebraska test books actually note the max. torque value determined from testing and I find it interesting to compare to other image or com-
petetive tractors. John

Follow Ups:

• Re: Re: Torque? Denny Frisk 06:31:19 03/10/01 (0)

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