Roger Millin formulated on Friday :
> Neil said:
> snipped:
>> ISTR that mine was initially over pressurised with nitrogen and you let gas
>> out until it was at the required pressure.
>> Is nitrogen less likely to escape through a rubber diaphram than air?
>
> AIUI nitrogen leaches through rubber components at a much slower rate
> than air and hence will need topping up less frequently. I seem to
> recall that nitrogen can be used in vehicle tyres for the same reason.
> Roger
They use it in aircraft tyres but I don't think its the leaking that
worries them its tyre bursts and catching fire on landing
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