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Message: <blockquote data-quote="dennishoddy" data-source="post: 3646682" data-attributes="member: 5412">If I remember right, horsepower was indeed a measure of a horse.Looked it up.James Watt calculated that one horsepower was equivalent to one horse doing 33,000 foot-pounds of work in one minute. To better understand this—and avoid unhappy memories of arithmetic class—picture a lone horse raising a 33-pound bucket of water from the bottom of a 1000-foot-deep well in 60 seconds. That amount of work equals one horsepower.With so many variables involving HP in engines because not every horse can operate at the same pace and longevity, I can kind of understand why small engines have gone to CC's Vs hp. New learning curve I guess. I can quote factory HP by CC on motorcycles all day long, but the lawn care people that build mowers won't tell you HP.</blockquote>