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Tractor Talk Discussion Forum

Nitrogen In Tires ....

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Alberta Mike

01-19-2005 10:00:51




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Man, after my last post (below) about buying from a distance and the subsequent war of words between JW and VO and others, I am a bit reluctant to post anything but here goes. Some tire shops around here (Costco for one) uses Nitrogen Gan in your tires when you buy new tires from them. The valve caps are green in color to remind you of this. I don't know whether that is an option or they do it to all their tires. What is the reason for using Nitrogen? I mean, almost 80% of atmospheric gas (which a compressor is pumping into your tires) is nitrogen anyways so why is 100% nitrogen better? And if you need to add air, are they expecting you to find a place that has pure nitrogen?

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dr.sportster

01-20-2005 10:23:47




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
I used to have a nitrogen bottle in the back corner of my box truck for tires,air tools and filling the air shifter tank on my drag bike.On a camping trip I got lazy and used it to fill air mattreses.Several beers after the kids went to sleep I realized my mistake.Before any asphysiations occured I had to wake everybody up and empty the nitrogen,then blow them all up by mouth.Thank God cause a leaky mattres would have been bad.

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Alberta Mike

01-20-2005 12:17:22




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 Re: Nitrogen In Tires .... in reply to dr.sportster, 01-20-2005 10:23:47  
Was that necessary on your trip? I mean, almost 80% of the air your kids were breathing in as they slept was already nitrogen so I cannot see how some 100% nitrogen leaking out of an air mattress would have been dangerous. Why exactly did you do what you did?



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dr.sportster

01-20-2005 12:23:46




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-20-2005 12:17:22  
Alberta Mike,Go to barnes and noble check out the book called Plant Disasters.Mistakes with nitrogen will drop you real quick.



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Davis In SC

01-19-2005 19:28:15




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
I keep a tank of nitrogen around, handy to fill tires, and I can crank up the regulator to get a little extra grunt from an impact wrench. Reminds me , mine is about empty, I need to take it to the shop & get a full one. It has lasted me over a year.



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MarkB_MI

01-19-2005 18:55:35




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
Bottled nitrogen has almost no water in it, so it behaves like an ideal gas, which means its pressure increases linearly with temperature.

Compressed air typically has a lot of moisture in it. Water vapor doesn't behave quite like an ideal gas, and it's only half as dense as nitrogen.

I wouldn't pay extra for nitrogen fill, but if the dealer throws it in for free it sure won't hurt. And you don't need to worry about hurting anything if you have to add a little air.

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LGC

01-19-2005 14:20:58




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
I have participated in a paint ball game once or twice. Some of the more dedicated paintballers used nitrogen gas instead of compressed air. Seems it was less sensitive to cold. SO i suppose tires might be more likely to keep their pressure in temperature changes.



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buickanddeere

01-19-2005 13:25:17




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
Nitrogen isn't dry. It's just that the nitrogen gas was dried before it was bottled. You can do that with atmospheric air too. Nitrogen adds some safety to aircraft tires if overheated. They won't burn inside and built extra pressure. They can get pretty hot while braking if the reversers don't work.



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WI Bill

01-23-2005 20:10:17




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 Re: Nitrogen In Tires .... in reply to buickanddeere, 01-19-2005 13:25:17  
All gases that are compressed into high pressure tanks must be 'dried' or they would freeze when the pressure is released as when you open the valve; the H2O would freeze solid and block the flow of air into your air tool or air chuck.



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K-Mo

01-19-2005 13:07:35




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
I just heard about it on the news last night from Omaha. Although there is no charge now, they expect to charge $5/tire once they get set up. I guess they may think you would get mad if they charged $5/tire for air. Nitrogen may have some advantages but I don't see it worth paying extra for. My aluminum rims haven't turned to rust and my tires don't leak.

Auto tire pressures are measured cold. If nitrogen doesn't heat up, then how do you compute the correct tire pressure for nitrogen. If it doesn't warm up, does that mean my tires will be square all the way to town in the winter. My brain is tired thinking about it.
Life is too short, I think I'll stick with air for now. But to each their won.

K-Mo

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WI Bill

01-23-2005 20:15:41




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 Re: Nitrogen In Tires .... in reply to K-Mo, 01-19-2005 13:07:35  
Hydrogen in tires? Mmmmm And I was one of those who thought it foolish to pay for TV reception, buy water to drink, rent a movie, and who in their right mind would get milk and food at a gas station or a can of oil at the grocery store!Heck, I'll just put in another 8-track of the Loven Spoonful.



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Drew Brady

01-19-2005 13:00:53




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
Nitrogen will prevent oxidation"rusting.



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dej(JED)

01-19-2005 12:37:29




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
We needed to blow up some tires, so we used LP.
Always had spare fuel around that way. Ha.



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Nolan

01-19-2005 11:19:14




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
I know racers who use it because it's more stable on the track, giving less pressure change with temperature. But I don't really see the advantage on a tractor tire.



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caseyc

01-19-2005 10:59:06




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
i originally missed that post but i just went back and read it. that was some crazy stuff there!!!! i think those two need to meet half way at a coffee shop and talk!!! maybe not?!?! that was a bad idea.

as for the nitrogen... i agree...easier in the rubber and just top off with normal air! my 2 cents.

casey in SD



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evielboweviel

01-19-2005 10:34:54




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
nitrogen is drier than air and causes less damage to tires. add regular air when needed not a problem
Ron



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Engineer20

01-19-2005 11:48:06




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 Re: Nitrogen In Tires .... in reply to evielboweviel, 01-19-2005 10:34:54  
The drier Nitrogen will not cause the inside of the rims to rust as bad as with normal air.



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Dave_Id

01-19-2005 10:18:00




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 Re: Nitrogen In Tires .... in reply to Alberta Mike, 01-19-2005 10:00:51  
Nitrogen has got to be heavier than, say, Helium

Ha ha ha



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candmfarm

01-19-2005 16:06:23




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 Re: Nitrogen In Tires .... in reply to Dave_Id, 01-19-2005 10:18:00  
Good one dave....snicker....Did you change your email? Tried to send you one offline and it bounced back. Hope all is good in North ID!

Mike



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Jmoore

01-19-2005 10:56:45




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 Re: Nitrogen In Tires .... in reply to Dave_Id, 01-19-2005 10:18:00  
But you have to be careful not to park in a corn field. lol



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Edchainsaw

01-19-2005 20:37:50




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 Re: Nitrogen In Tires .... in reply to Jmoore, 01-19-2005 10:56:45  
my question is WHY???
I mean you put Nitrogen in a tire your going to get a bunch of cut tires from the druggies trying to get at it for the METH LAB... my uncle loses several hoses a year and lots of N at his dealership.. we've lost a hose or 2 ourselves so I would expect you guys to lose tires.



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dr.sportster

01-20-2005 10:13:45




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 Re: Nitrogen In Tires .... in reply to Edchainsaw, 01-19-2005 20:37:50  
Not every state is a bunch of speed freaks.You must be from the midwest.Only people around here that like crank are outlaw bikers or already in jail.No offense intended.



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Davis In SC

01-19-2005 21:08:58




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 Re: Nitrogen In Tires .... in reply to Edchainsaw, 01-19-2005 20:37:50  
Ed, the nitrogen here is the pure inert gas, Nitrogen, not the NH3, which is Ammonia...



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dr.sportster

01-20-2005 10:28:07




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 Re: Nitrogen In Tires .... in reply to Davis In SC, 01-19-2005 21:08:58  
I am thinking nitrogen is not an inert gas like argon and helium.Nitrogen does have active chemical properties.No?



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WI Bill

01-23-2005 20:25:43




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 Re: Nitrogen In Tires .... in reply to dr.sportster, 01-20-2005 10:28:07  
N2 is not an inert gas as it does not have its outer shell full of electrons. It is #14 on the Periodic table. It is not VERY reactive, like O2 is to oxidize or cause 'rust'. When my kids raced cycles, some carried N2 tanks to aid in the speed of tire pressure fills. I had to use my regular compressor and an old recycled freon tank to fill my kids tires. And if the kids didn't win, I'd let him use the hand pump, to give him time to think of how to win the next race!

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