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Old 3rd November 2006, 12:23   #55 (permalink)
pujaari
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Join Date: Jul 2006
Location: new delhi
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An interesting article i found on the net about nitro filled tyres check it out at http://www.hindu.com/mp/2006/08/16/s...1600310300.htm

Few excerpt's from the article
Nitrogen was first used in aircraft tyres, racing car tyres and has even been used in the space shuttle's tyres, all of which needed Nitrogen to handle the extreme operating conditions, especially the heat.

The culprit in regular air, which is filled from the low-end pumps, that you find being vended for free in most fuel stations is moisture and of course, the Oxygen content. For one, the mix of gases in air tends to make it more susceptible for heat expansion, leakage and loss of pressure leading to its gradual flow out from tyre and tube valves. In comparison, the molecular structure of pure Nitrogen and its inherent characteristics enable it to be less prone to heat expansion and leakage.

Further, the moisture and Oxygen in air tends to react with the wheel rim and tube rubber leading to long-term deterioration. In tubeless tyres, the moisture and Oxygen leads to accelerated oxidization of both aluminium and steel depending on the type of wheels being used

But, a couple of the big benefits are of course, the improved mileage from the more consistent maintenance of recommended air pressure in the tyres for a longer duration and the longer life of the tyres.
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