Forum Discussion
ScottG
Mar 21, 2015Nomad
mpfireman wrote:
There selling point is, Oxygen molecules are smaller, thus they have a greater chance to leak from your tire, that is why you add air to the tires occasionally. Nitrogen molecules are larger than oxygen molecules, thus they do not leak out of tires as rapidly. Aircraft tires are always filled with Nitrogen as they are subject to extreme temperatures swings, thus no water vapor can build up in the tires due to nitrogen being drier than oxygen.
In regards to our tires, research has shown that air doesn't leak through the rubber as much as it does around the bead. That point of leakage is plenty big enough for nitrogen to get out as well.
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