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| Yes, really. Don't you think the 4x less psi on the rubber track vs the wheeled tractor would affect the drawbar hp when tested on a CONCRETE TRACK more than anything? Change that "exact same condition" to another condition other that a concrete track and see what the drawbar HP differences are.
The parasitic loss of turning the track is more than turning a wheel, but efficiency gains are made up by spinninng it with 1/5th the slip in real world conditions. | |
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Drawbar horsepower tracks vs. wheels
