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Re: Tractor Draw Bar HP!!
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Posted by Bob M on July 02, 2004 at 06:39:23 from (165.170.128.65):
In Reply to: Tractor Draw Bar HP!! posted by Linx on July 02, 2004 at 03:53:59:
Drawbar HP is simply the pulling power that appears at the drawbar. Mathematically: Drawbar HP = Drawbar pull x speed / 33,000 [pull measured in pounds, speed in feet/minute] Under ideal conditions maximum drawbar HP will be around 85% of engine max HP. The rest of the engine HP is “lost” in moving the tractor itself, in frictional losses in the driveline, in running accessories like the hydraulic pump, etc.
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