Nitrogen filled tires?

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Nov 4, 2008 | 12:00 PM

#76

spikedog

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From: Wyoming

Water, dihydrogen oxygen, H2O.

Nov 4, 2008 | 12:10 PM

#77

spikedog

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From: Wyoming

Quote:

Originally Posted by Ford_Six

The primary reason why aircraft, especially large aircraft use nitrogen in the tires is because that gets rid of the oxygen inside the tire- Usually between the scuff of landing and the shear weight on the tire, the temps inside can get very close to the ignition point of the rubber. Add to that the fact that the rims are commonly magnesium (flammable and burns violently), and you have a good reason to have an inert environment.

In your own personal car, it's a wash. Most people who are concerned enough to run nitrogen filled tires probably won't gain anything noticeable from it- They'll either trade in their car before the tires wear out under normal use, or have the tires replaced before the tread life is up.

If the temp of the tire on the inside gets hot, well then the outside of the tire must be even hotter. And it's surrounded by what - air. And I already posted the heat capacity of air and nitrogen are quite similar, so how is the tire going to stay cooler?

Let me know how a mag wheel burns, too. Very hard to ignite/burn solid pure mag, much less an alloy like AZ-91 or AM-60 (used to be a chemical engineer at a magnesium production plant) that has significant amounts of aluminum in it. It has to be shredded into ribbon form for easy ignition. That fallacy is why magnesium is rarely used in automobiles, even though VW made millions of Beetle engine blocks out of it.

Nov 4, 2008 | 12:21 PM

#78

Mark Kovalsky

Frmr Ford Trans Engr

Joined: Aug 1999

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From: SE Florida

Ford used magnesium for manual trans bellhousings for several years. It was quite a bit lighter than aluminum, but more costly. That's why Ford went back to aluminum

Nov 4, 2008 | 12:34 PM

#79

BradyCouchman

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From: Cow Town, CA

De Tomaso used it in their rims for a while too, on the Pantera (sold by Ford in the 70s)

Nov 4, 2008 | 12:54 PM

#80

Steina

CO River Rat

Joined: Feb 2004

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From: Lake Havasu City AZ

Nothin' like gettin' completely off the ol' nitrogen-in-the-tires subject.

Steve

Nov 4, 2008 | 01:41 PM

#81

Mark Kovalsky

Frmr Ford Trans Engr

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From: SE Florida

Quote:

Originally Posted by Steina

Nothin' like gettin' completely off the ol' nitrogen-in-the-tires subject.

Isn't that a good thing?

Nov 4, 2008 | 02:35 PM

#82

andym

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From: Bonita Springs FL

I can't believe this thread still goes on. What is the argument again?

Nov 4, 2008 | 02:43 PM

#83

FTE Ken

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From: Enjoying the real world.

Maybe we all became, uh, tired of the topic. drum roll

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Nov 4, 2008 | 02:44 PM

#84

andym

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From: Bonita Springs FL

Quote:

Originally Posted by FTE Ken

Maybe we all became, uh, tired of the topic. drum roll

This topic just keeps going around and around....

Nov 4, 2008 | 03:25 PM

#85

kw5413

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From: Great State of Texas

I suppose now it will come to a screeching halt...

Nov 4, 2008 | 03:37 PM

#86

FTE Ken

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From: Enjoying the real world.

FTE users will tread where others fear to go.

Nov 4, 2008 | 04:19 PM

#87

kw5413

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From: Great State of Texas

Yeah and there are some pretty slick members around here as well... even though some are just spinning their wheels and smoking their way to an early burn out.

Nov 4, 2008 | 05:18 PM

#88

jroehl

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From: Lafayette, IN

This thread is like a squirrel--lugging around a bunch of nuts.

Jason

Nov 4, 2008 | 05:30 PM

#89

FTE Ken

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From: Enjoying the real world.

I'm not going to tell my wife about this topic, I think it would rubber the wrong way. I'll just be content with staying in the room by myself, staring at the white walls.

Nov 4, 2008 | 05:37 PM

#90

jroehl

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From: Lafayette, IN

Seems it's a Goodyear for puns...

Jason

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