to an average 150' or so without using 55 HP over 20 years.
It does assume that the limestone is of the heaviest variety, and that it is solid. And a more reasonable figure for the time would be 8.5 billion minutes (200 work days per year, with 10 hour days). Which comes to closer to 210 required Horsepower constantly.
BUT.... It is well known that humans can perform at 0.1 HP practically indefinately and can perform at 1.5 HP for short stretches. So... That would mean 210 HP = 2100 laborers to do the vertical liftiing. So, with 10,000 laborers everyone should have had it pretty easy actually.
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There.... Impossibility of building pyramid DEBUNKED using common math in like half an hour.
Edited by DieChecker, 24 December 2012 - 02:37 AM.