Originally Posted by
Dave Gittins
Well if it takes 1 atmosphere to push water up 34 feet .. about 4.6 psi / 100 ft; it isn't a hard calculation. about 460 psi. 2 miles of pipe must have been a bit heavy though.
Watch out where you put your decimal point.
14.7psi / 32.2 feet = ~4600psi at 10,000'. A bit less for fuel with a relative density of less than 1.
(I feel vaguely dirty doing that in imperial units)