And doing all that Travis, what do you get, using the given example? I'm serious here. I have to first MAKE it simple to have any chance of KEEPING it that way.
Brad On Oct 1, 2016 1:51 PM, "Travis Mack" <[email protected]> wrote: > Follow the formula in the standards. > > 29.83 x hydrant coefficient x pumper modification x diameter x diameter x > sqrt (pitot pressure) > > Keep it all simple. No need to overcomplicate everything. > > There are even several apps to put in your phone to do this stuff. > Keep it all simple. > > Travis Mack, SET > MFP Design, LLC > "Follow" us on Facebook: https://www.facebook.com/pages/MFP-Design- > LLC/92218417692 > Send large files to MFP Design via: > https://www.hightail.com/u/MFPDesign > > Sent from my iPhone > > On Oct 1, 2016, at 11:35 AM, Brad Casterline <[email protected]> > wrote: > > My pleasure Jeff, thanks for saying. > On Oct 1, 2016 1:32 PM, "Jeff Normand" <[email protected]> wrote: > >> Thanks for sharing Brad. >> >> On Sat, Oct 1, 2016 at 1:28 PM, Brad Casterline <[email protected]> >> wrote: >> >>> Say it's a 2.5" butt (small, smooth and well rounded my personal >>> favorite) so C=.9. >>> >>> ((2.5/24) ^2) * PI = .034 ft^2. >>> .034 * .9 = .0307 ft^2. >>> >>> Say pitot = 30 PSI. >>> 30/.433=69.284 ft (h). >>> v=(2gh)^.5=(2*32.2*69.284)^.5=69.8 ft/sec. >>> .0307 ft^2 * 69.8 ft/sec = 2.05 ft^3/sec, * 7.48 * 60 = 920 GPM. >>> >>> That's not too shabby! >>> >>> Brad >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-f >>> iresprinkler.org >>> >>> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum- >> firesprinkler.org >> >> _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler. > org > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler. > org > >
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