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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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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