Quote:
Originally Posted by CapriRacer
So I assume you mean 1" of mercury -
which is a lot! That's 0.49 psi.
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I put this table together, based on your information. Again, it might not be 100.0000% accurate, but underscores the points of our barometric pressure conversation. Did not include a mention in my table, but 'standard atmosphere' is commonly referred to as 29.92in(1013.2mil).
It reveals that the tire pressure per inch change of baro pressure is higher given given higher inflation pressures, which would seem correct to me. All in all, not nearly as significant a change compared with changes in ambient temperature.