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Old 10-29-2013, 10:54 AM   #1
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Join Date: Mar 2008
Location: Concord, NC
Posts: 23,937
Tire Pressure

Just turned on the TST TPMS monitor to check tire pressures now that the temperatures have dropped considerably since the last of Jul. All 4 were at 57# instead of the 65# that was in them in Jul. Will air them all back up to 65# in a couple of weeks in preparation for our FL trip 29Nov.

OldCoot is offline   Reply With Quote
Old 10-30-2013, 04:48 AM   #2
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Join Date: Feb 2013
Posts: 130
Then if you know what the outside temperature was when you filled them to 65 psi, and you know what it was when you measured the 57 psi, you can use my "pressurecalculationwithtemp"spreadsheet to see how low it would have been if no air had gone out of the tire in time.
Then you can also play further to see what influence temperature has to the pressure.
In part 3 you can do it the other way around, so give pressures and see what temperatures it will give.
In this map, in wich also my motorhome-tire-pressure calculator, download it first and thenopen it in Excell or open-office CALC on your computer.
Download by RIGT-CLICKING and choose DOWNLOAD, not leftclick or choose the top 2 things , to complicated or cant handle things I used in most spreadsheets.
Here an example to show what is the meaning.
jadatis is offline   Reply With Quote

tire, pressure

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