But the flow axis for a N1.85 is not a logarithmic scale. When plotting more than two points on an N1.85 graph you are essentially trying to eyeball a best fit to a 1.85 power water supply curve. If you are cook-booking, i.e. you don’t really know what this N1.85 is actually doing, then you might be better off looking at each normal looking 1.85 power water supply curves that fit each pair of static and residual numbers you have. That way you can get a much better feel of the water supply variance the data is theoretically showing. You will also be working with stuff that makes plain sense.
> On Aug 30, 2019, at 4:16 PM, David Blackwell via Sprinklerforum > <[email protected]> wrote: > > So you choose the moral of the story: “procrastination pays” or “great minds > think alike”… > > ;-) > > Respectfully, > > David Blackwell > > David Blackwell, P.E. > Chief Engineer > (803)896-9833 > > Office of State Fire Marshal > 141 Monticello Trail | Columbia, SC 29203 > http://statefire.llr.sc.gov/ <http://statefire.llr.sc.gov/> > (803)896-9800 > > "Our firefighting starts with plan review..." > > From: Sprinklerforum <[email protected]> On > Behalf Of Parsley Consulting via Sprinklerforum > Sent: Friday, August 30, 2019 4:59 PM > To: David Blackwell via Sprinklerforum > <[email protected]> > Cc: Parsley Consulting <[email protected]> > Subject: Re: N 1.85 graph > > *** SCDLLR NOTICE *** > > · This email is from an external email address. Please use caution when > deciding whether to open any attachments or when clicking links. > · Personally Identifiable Information (PII) should not be included in e-mail > text or attachments. Do not save or transmit PII unencrypted. > > David, > > I'm delighted I waited to answer him. You're entirely correct, and that is > exactly what I was going to say. > > Have a great weekend my friend, > Ken Wagoner, SET > Parsley Consulting > 350 West 9th Avenue, Suite 206 > Escondido, California 92025 > Phone 760-745-6181 > Visit the website <http://www.parsleyconsulting.com/> > On 08/30/2019 1:01 PM, David Blackwell via Sprinklerforum wrote: > > Try this…from a quick Google of “logarithmic graph excel”: > Decide which axis you would like to make logarithmic: a logarithmic graph > makes both axes logarithmic, while a semi-log graph makes only one of the > axes logarithmic. > > Double-click that axis. Click on the "Scale" tab, then check the box > corresponding to "Logarithmic Scale." Your graph will now become > semi-logarithmic. > > > > > Respectfully, > > David Blackwell > > David Blackwell, P.E. > Chief Engineer > (803)896-9833 > > Office of State Fire Marshal > 141 Monticello Trail | Columbia, SC 29203 > http://statefire.llr.sc.gov/ <http://statefire.llr.sc.gov/> > (803)896-9800 > > "Our firefighting starts with plan review..." > > From: Sprinklerforum <[email protected]> > <mailto:[email protected]> On Behalf Of Jerry > Van Kolken via Sprinklerforum > Sent: Friday, August 30, 2019 3:43 PM > To: [email protected] > <mailto:[email protected]> > Cc: [email protected] <mailto:[email protected]> > Subject: RE: N 1.85 graph > > *** SCDLLR NOTICE *** > > > · This email is from an external email address. Please use caution when > deciding whether to open any attachments or when clicking links. > · Personally Identifiable Information (PII) should not be included in e-mail > text or attachments. Do not save or transmit PII unencrypted. > > I’d be curious to know if anyone knows how to build this in excel? I ‘ve > built the flow test but the graph is a regular curve. > > Jerry Van Kolken > Millennium Fire Protection Corp. > 2950 San Luis Rey Rd. > Oceanside, CA 92058 > (760) 722-2722 FX 722-2730 > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > <mailto:[email protected]> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > <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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