02-19-2011, 09:59 AM
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#12 (permalink)
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Left Lane Ecodriver
Join Date: Aug 2008
Location: Buffalo, NY, USA
Posts: 2,257
Thanks: 79
Thanked 287 Times in 200 Posts
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Density Altitude Calculator - English/Metric, Relative Humidity
PV=nRT tells you that for an ideal gas (which air is, to a good approximation), density is linear with barometric pressure.
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