Nitrogen anyone?
Melting Slicks
Joined: Oct 1999
Posts: 2,550
Likes: 1
From: Arlington TX
Cruise-In II Veteran
This is going around several car and truck forums. It is total 
On Earth, it is a mixture of gases (78% nitrogen, 20.9% oxygen, 1.1% other gases). It has no color or smell.
Air is an exact mixture of 78.03% Nitrogen, 20.99% Oxygen, 0.94% Argon, 0.03% Carbon Dioxide, 0.01% Hydrogen, 0.00123% Neon, 0.0004% Helium, 0.00005% Krypton, 0.000006% Xenon.
On Earth, it is a mixture of gases (78% nitrogen, 20.9% oxygen, 1.1% other gases). It has no color or smell.
Air is an exact mixture of 78.03% Nitrogen, 20.99% Oxygen, 0.94% Argon, 0.03% Carbon Dioxide, 0.01% Hydrogen, 0.00123% Neon, 0.0004% Helium, 0.00005% Krypton, 0.000006% Xenon.
Team Owner
Joined: Aug 2003
Posts: 24,987
Likes: 26
From: Kerrville, Texas USA Hook 'em Horns!
CentralTX Events Coordinator
St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17
Originally Posted by gpracer1
Helium all the way!!!! Less unsprung weight. 
Race Director
Joined: Apr 2005
Posts: 10,179
Likes: 2,306
From: Wesley Chapel, FL Las Vegas, NV
Originally Posted by Flight Test
This is going around several car and truck forums. It is total
On Earth, it is a mixture of gases (78% nitrogen, 20.9% oxygen, 1.1% other gases). It has no color or smell.
Air is an exact mixture of 78.03% Nitrogen, 20.99% Oxygen, 0.94% Argon, 0.03% Carbon Dioxide, 0.01% Hydrogen, 0.00123% Neon, 0.0004% Helium, 0.00005% Krypton, 0.000006% Xenon.
On Earth, it is a mixture of gases (78% nitrogen, 20.9% oxygen, 1.1% other gases). It has no color or smell.
Air is an exact mixture of 78.03% Nitrogen, 20.99% Oxygen, 0.94% Argon, 0.03% Carbon Dioxide, 0.01% Hydrogen, 0.00123% Neon, 0.0004% Helium, 0.00005% Krypton, 0.000006% Xenon.
Safety Car
Joined: Sep 2000
Posts: 3,572
Likes: 420
From: Taildragers rule! USA1
Originally Posted by Vassili
Who's using nitrogen in their tires? My mechanic says its better on the environment, tires and gas mileage. For a few bucks more per tire I guess its OK.
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Instructor
Joined: Jul 2004
Posts: 121
Likes: 4
From: Atlanta Georgia
Race cars and aircraft landing gear. Other than that, it's not a big deal. If you're crazy about a dry inflater that won't corrode aluminum or magnesium wheels and won't vary as much in pressure, then get a bottle and fill 'em up. Also, since nitrogen has a higher molar weight than the oxygen and other gassses in air, it won't leak down as much over time through the body of the tire.
Race Director
Joined: Apr 2005
Posts: 10,179
Likes: 2,306
From: Wesley Chapel, FL Las Vegas, NV
Originally Posted by Vassili
Who's using nitrogen in their tires? My mechanic says its better on the environment, tires and gas mileage. For a few bucks more per tire I guess its OK.
The environment
: Tires and Gas mileage, only because it leaks slower so your tires stay properly inflated longer without having to add air,
Nitrogen Instead of Air
Nascar teams remove the air from the tires and replace it with nitrogen. Compressed nitrogen contains less moisture than compressed air. When the tire heats up, moisture in the tire vaporizes and expands, causing the pressure inside the tire to increase. Even small changes in tire pressure can noticeably affect the handling of the car. By using nitrogen instead of air, the teams have more control over how much the pressure will increase when the tires heat up.
Nascar teams remove the air from the tires and replace it with nitrogen. Compressed nitrogen contains less moisture than compressed air. When the tire heats up, moisture in the tire vaporizes and expands, causing the pressure inside the tire to increase. Even small changes in tire pressure can noticeably affect the handling of the car. By using nitrogen instead of air, the teams have more control over how much the pressure will increase when the tires heat up.
Last edited by Vega$Vette; Aug 25, 2006 at 05:17 PM.
