Nitrogen-filled tires?

[Sinn Fein]

I saw a place near me advertising this. I've heard about it in passing and thought it was just a bunch of bunk, excuse the strong language.

A quick Google search found me a few things. Basically the claims are that nitrogen won't leak out of tires as quickily, and dissapates heat better than regular air. Supposedly there are fuel-economy gains to be had.

[Sct Ptersns Twn]

.....and boom go the michelins.

[abudabit]

All true. Except depending on your refill habits, they found that sometimes nitrogen will give worse fuel economy. That's because since people paid a couple bucks to fill their tires instead filling them for free, some people will tend to wait longer until they refill the tires and thus run longer on under inflated tires.

The way it works is nitrogen doesn't change volume as quickly in various temperatures, so nitrogen inflated tires retain the optimal shape in both normal and higher temperatures (as you've been driving).

[Sct Ptersns Twn]

Forget Arostotle and fuck Socrates, here is Professor abudabit :icon_mrgr

[Ballbuster1]

Nitrogen is used to fill tires on race cars because of the properties
that abudabit mentioned. As far as normal use in cars it doesn't seem
very cost effective. Just check your tires routinely and you'll be fine.

[THE FEZ MAN]

i have to agree with the rest of the motor heads. if your running the indy 500, or landing a jet, its worth it. or you know some one that has a n concentrator its not worth it yet

[Arch Stanton]

Since your thinking about it, just get into a routine of checking the pressure when the tire is cold, say after sitting overnight. Tires also have lower pressure when the temperature drops, like when winter comes.
Happy Motoring! :action-sm

[Hudson]

Mythbusters had a show about it a few months ago.
I actually had a guy tell me I needed it for my travel from NJ to Mt...I looked it up...no noticable difference

[sniper]

i have to agree with the rest of the motor heads. if your running the indy 500, or landing a jet, its worth it. or you know some one that has a n concentrator its not worth it yet

I wish I had a N concentrator...

http://www.authentichistory.com/antebellum/manifest/1830s_Slave_Sale_Notice.jpg

Who saw that coming?:icon_roll

[Hudson]

I wish I had a N concentrator...

http://www.authentichistory.com/antebellum/manifest/1830s_Slave_Sale_Notice.jpg

Who saw that coming?:icon_roll
You know the Windward ones were the Uppity ones.

[DoucheMeister]

I have Nitrogen filled tires, but just because I don't want to drag my ass outside in the freezing winter in Canada to fill them.

It works, though, haven't had to add any air to them since they were installed last year.

[Sam_Adams]

I saw a place near me advertising this. I've heard about it in passing and thought it was just a bunch of bunk, excuse the strong language.

A quick Google search found me a few things. Basically the claims are that nitrogen won't leak out of tires as quickily, and dissapates heat better than regular air. Supposedly there are fuel-economy gains to be had.


Thats what the Air Force fills the tires of their planes with to cut down on weight, slow leakage and to keep the tires cooler.

[D.H. Jenkins]

I use it in my tires, but only because I have plenty of it lying around.

Mileage improvement comes from keeping the tire properly inflated - that's it. Nitrogen doesn't sublimate through rubber like shop air, so tires don't lose their pressure as quickly. Yes, it will run cooler and expand and contract less, but the actual on-the-road difference won't be noticeable to anyone with street tires.

[gleet]

I ain't no scientist, but isn't air 78% nitrogen? Seems like alot of money to get rid of 22% other gases. Just fill you tires to 122% of recommended pressure, let it leak down to correct pressure, and all you'll have left is nitrogen. Hmmm hmm hmm.

[marilynmanson]

My girlfriends saturn sky rl came with nitrogen filled tires.

[DennisIsEvil]

From what I've heard it just seems like a waste for normal everyday cars. On top of that air is already mostly nitrogen.

[DonTheTrucker]

My girlfriends saturn sky rl came with nitrogen filled tires.

Does it help when picking up trannies?

[Voss's Tumor]

Thats what the Air Force fills the tires of their planes with to cut down on weight, slow leakage and to keep the tires cooler.

Right on the military, wrong on the reason.

Nitrogen is relatively inert compared to Oxygen, and if a fire breaks the tires the Nitrogen will actually quell the fire, while Oxygen would fuel it.

[ImAlrightSpider]

Hydrogen would be more interesting.

[Sam_Adams]

Right on the military, wrong on the reason.

Nitrogen is relatively inert compared to Oxygen, and if a fire breaks the tires the Nitrogen will actually quell the fire, while Oxygen would fuel it.

Well I had spoken with my cousin about the tires before and I don't remember him saying anything about the instance of fires and nitrogen being there to...put a fire out.

The main reasons he said were to reduce leakage on the tires and to cut down on weight.

And Nitrogen is not an inert gas. Helium, Argon, Krypton, Neon, radon and Xeon are inert gasses.

Nitrogen has an atomic number of 7 but Oxygen has an atomic number of 8...so yeah nitrogen is lighter than oxygen :P

[Voss's Tumor]

Well I had spoken with my cousin about the tires before and I don't remember him saying anything about the instance of fires and nitrogen being there to...put a fire out.

The main reasons he said were to reduce leakage on the tires and to cut down on weight.

And Nitrogen is not an inert gas. Helium, Argon, Krypton, Neon, radon and Xeon are inert gasses.

Nitrogen has an atomic number of 7 but Oxygen has an atomic number of 8...so yeah nitrogen is lighter than oxygen :P

It doesn't have to be a noble gas to be considered relatively inert compared to oxygen. You know everything about guns... I was a chemist in the Navy. I know of what I speak.

Edit: I guess I should say relatively inert when it comes to fire. Chemically Nitrogen is pretty reactive.