Re: Venting

From: Robert Reeves (
Date: Sat Feb 08 2003 - 02:05:38 EST

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    > both of the tires exploded. I know they are filled with nitrogen
    > which is inert-but does anyone know the properties of nitrogen
    > when it's heated substantially.
    Not specifically, but nitrogen expands less than "air" when heated in a
    tire.  That is why it is used in race car tires.  Allows a more stable tire
    pressure to create more predictable chassis handeling.
    > In any event they are
    > pressurized to about 300PSI at SL. That's a lot of pressure in a
    > near vacuum.
    > Don
    Only 14 PSI more than at sea level.
    Robert Reeves            
    520 Rittiman Rd.         
    San Antonio, Texas 78209    210-828-9036
    USA                                     29.484  98.440  200 meters
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