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Old 10-02-2012, 11:43 PM
muddywater muddywater is offline
LawnSite Bronze Member
Join Date: Sep 2011
Posts: 1,813
Originally Posted by 1idejim View Post
If you are being conservative use 0.433 per ft. instead of .5

6.70 psi per hundred ft. difference
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Actually .5 is more conservative than .433 when going up an incline. I am banking on a 50 lb pressure loss with .5 and you are banking on a 43 lb pressure loss per 100'. 6.7 psi of gravy.
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