Posted by steve_in_mo on February 17, 2023 at 13:05:19 from (71.0.223.33):
In Reply to: Re: one horse power posted by Brendon-KS on February 17, 2023 at 10:16:13:
The original one-horsepower measure was estimated by Scottish inventor James Watt who measured the weight a mining horse - about the size of a Shetland pony - could pull on a lift. One horsepower was later defined as 746 watts, after Watt had died.
Based on this rather large study, the fiftieth percentile for male cyclists is 272 watts and for females it is 212 watts. That is the output they could maintain for twenty minutes or more. A male would thus put out a little more than one-quarter horsepower and a female a little less.
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