Quote:
Originally Posted by njk53
nitrogen has smaller molecules and will find small holes to seep out of. Helium is even worse. If tou have the tiniest of leaks you better take an air tank to the staging lanes with you.
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Nitrogen does not have smaller molecules and it does not have anything to do with it. It is the chemical composition that is different. Nitrogen does not make tires run cooler. Nitrogen is an inert gas and non-reactive; it is a byproduct of a reaction.
Nitrogen inerting is used in aircraft to reduce the probability of residual fuel gases igniting in empty fuel tanks.