N2 is probably the cheapest "dry" gas available and, unlike "dry" O2, is
inert. By comparison, getting all the water vapor out of ordinary compressed
air may not be practical (or cheap & easy).
Lance
----- Original Message -----
From: "drmayf" <drmayf@mayfco.com>
To: "Glen Barrett" <speedtimer@beyondbb.com>
Cc: "Mike Cook" <driver598@sbcglobal.net>; "Mike Waters"
<mrwaters@roadrunner.com>; "Alan Fogaladini" <fuelroadster54@aol.com>;
"landspeed@autox.team.net" <land-speed@autox.team.net>; "Doug Odom"
<dlodom@charter.net>; "Doug Anderson" <boogiewoogie12@hotmail.com>; "Glenn
Freudenberger" <freudbouy@aol.com>; "Bruce" <FastmetalBDF@aol.com>; "Mike
Manghelli" <mmanghel@antelecom.net>; "Dan Warner" <dwarner230@yahoo.com>;
"kent riches" <harleydude200369@yahoo.com>; "Jack Dolan"
<jackdolan@san.rr.com>; "Russ Eyres" <reyres@san.rr.com>
Sent: Thursday, May 10, 2007 3:17 PM
Subject: Re: Fw: Another Granatelli story ... with available photos.
> What a cool old race car. When looking at the web site, something caught
> my eye and that was the N2 filled tires because with N2 they don't expand
> to change to odometer reading. That seems odd to me since our atmosphere
> is about 79% N2 anyway. The other major constituent is O2 and both are
> about the same atomic weight and have simialr thermodynamic properties.
> Is there one among us who can explain this to me? Now I understand the
> use of DRY gas to fill since water vapor can and does expand, but just
> gas?
>
> Here waiting for parts.....
>
> mayf
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