Posted by Kirk Grau on February 15, 2012 at 17:43:32 from (98.235.64.137):
In Reply to: Well pumps question posted by Greg K on February 15, 2012 at 16:40:04:
David G has it pretty correct, depends on local atmospheric pressure. Usually assume 14.9 psi which yields...
14.9/62.4*144=34.4 ft.
62.4 is the density of water in lb/ft^3 and 144 is just a unit conversion i.e. 144 in^2/ft^2.
Quick google search did not yield a site, but this is one of the first things we learn in engineering fluid dynamic classes. This is theoretical max, actual number reduced due to pipe friction and probably other things I have long since forgotten.
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