Norman Wells

Abo wrote:
> Norman Wells wrote:
>> Abo wrote:
>>> Peter Hill wrote:
>>>
>>>> So so wrong. Motorsport quackery
>>>
>>> It's a tyre pressure thing. When you run for a few laps the tyre
>>> pressure changes as the heat builds up. When you fill with air this
>>> change can be unpredictable as the proportion of water vapour in the
>>> air can vary. Filling with nitrogen mans you know you have a dry gas
>>> inside your tyres and you can predict how the tyre pressures are
>>> going to change as they heat up.
>>
>> I have seldom read a more unknowledgeable account than this. Water
>> vapour has nothing whatever to do with tyre pressures, and nitrogen
>> is just as likely to contain water vapour as air is anyway.
>
> Sorry you clearly know more about oval racing than I do. Please
> explain to me why 48 or so NASCAR teams go to the bother of
> completely removing all the air from 2880 tyres and replacing it with
> nitrogen if it has no benefit whatsoever on the tyre pressure...

Since it doesn't, I can't.

Ask them.