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Re:First batch of student’s washing machines shipped to Iraq by rhn_mk1 on Friday August 13, 2021 @01:20PM (#28171761)
> A horse working for an hour nonstop would be .7kW hrs.

More like 8.4kWh.

> data from the horse pulling contest at the 1925 Iowa State Fair showing that peak mechanical power output of a horse is 12-14.9 HP.

https://doi.org/10.1038/364195a0

Re:First batch of student’s washing machines shipped to Iraq by Animats on Friday August 13, 2021 @03:14PM (#28173201)
That's peak. Average is much lower. 1 HP is supposed to be a horse on a treadmill for a full day of work. A horse in acceleration is outputting far more than that for a few seconds.