PSA nitrogen fill stations

[DD214]

Hi All, you may already know his but if you are a member of Costco, most Costcos have nitrogen compressors outside the tire centers and are free to use for memebers….though I refilled my tires and no one asked to see a membership card


supposedly, nitrogen does not swing with the temperature as much as air from what I was told.

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[MayhemMike]

The air we breath and use to inflate tires is 78% nitrogen.

 

[thatspecialbeat]

I installed a nitrogen tire fill station in my garage but I can only get the purity up to 78%.

 

[thatspecialbeat]

The air we breath and use to inflate tires is 78% nitrogen.

You got me by like 8 seconds.

 

[swooshdave]

I installed a nitrogen tire fill station in my garage but I can only get the purity up to 78%.

It's the 22% that causes the problems.

 

[DD214]

I installed a nitrogen tire fill station in my garage but I can only get the purity up to 78%.

how did you check that?

 

[DD214]

It's the 22% that causes the problems.

you are not wrong I suppose.

 

[thatspecialbeat]

how did you check that?

I was making a dumb joke. Air is 78% nitrogen.

Your post is actually helpful for people who want the nitrogen tires. But since this is the internet I had to make the joke.

 

[AZ_Liberty]

PV=nRT

Nitrogen is not immune from the ideal gas law. (although to be fair, diatomic molecules are far from ideal.)

The gas constant for Air = .287
The gas constant for N2 = .297

So, N2 is 4% less sensitive to temperature change compared to Air.

 

[DD214]

I was making a dumb joke. Air is 78% nitrogen.

Your post is actually helpful for people who want the nitrogen tires. But since this is the internet I had to make the joke.

ahh, humor..I recognize that.

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