Peter Dohm wrote:
The only difference that would make nitrogen seen really beneficial to me
would be in the case of an aircraft which is kept hangared and seldom
operated. Then, if the tire threads last a number of years, and the tires
are sheltered from UV radiation, the inert nature of the nitrogen could be
usefull.


In theory, perhaps. In practice, tires oxidize from the outside as well as
the inside. I've noticed that every time I've bought expensive, long-life
tires, they have to be chucked because the sidewalls are rotting, even though
the tread is still good. It's not just air, but pollutants (particularly in
the cities). Ozone, a common urban pollutant, is particularly bad for tires.

John Galban=====N4BQ (PA28-180)

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