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Trailer Tires Overheating.
"Rick" wrote in message ink.net... Kevin Anderson wrote: I don't think they run cooler, but I know that using nitrogen the pressure stays more consistant as the tire heat up Do you guys stay up late making this stuff up or do you really, honestly believe that? Have you ever heard of - much less read - the "gas laws'? Look up a French chap named Charles and Gay-Lussac and their particular contribution to the art. Exactly how do you "know that using nitrogen the pressure stays more consistant (sic) as the tire heats up"? The reason nitrogen is used in high performance tires (usually aircraft) is that it will not support combustion or oxidation of rubber compounds in a very high temperature application. Compressed nitrogen is normally dry, very low in moisture content as well as completely free of oil which is a contaminant delivered by many air compressors. All the normal gas laws still apply. The only thing worse than the general lack of basic scientific knowledge shown here is the willingness of people to post that they "know" that the laws of physics simply don't apply. Rick Um, Rick, Race car operators take a great deal of time and effort to first dry their tires, then fill them with dry nitrogen. The reason is that the water in the air does NOT act like an ideal gas. Think about what happens to the pressure/volume curves as the tire reaches 100 degrees C. http://www.porschenet.com/bruns04.html There are other perceived benefits that may induce an operator to switch to nitrogen. I am not ready to support this other stuff, but throw it in just to cover the subject more fully. http://www.branick.com/n2/faq.html Mark Browne |
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