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re: Nitrogen filled tires- Does it help with pressure loss in changing temperatures

Posted on 12/15/14 at 8:42 am to
Posted by Citica8
Duckroost, LA
Member since Dec 2012
3665 posts
Posted on 12/15/14 at 8:42 am to
quote:

How could it? It's still a gas, one very similar to the air everyone else runs. It's going to expand and contract at about the same rate...


Nitrogen is dry, that's why. It's not the gas expanding and contracting, it's the moisture in the air that does it.
Posted by Ice Cream Sammich
Baton Rouge
Member since Apr 2010
10116 posts
Posted on 12/15/14 at 8:54 am to
What percentage of nitrogen do they put in the tires? It's not much higher than in air. It's far from 100% and probably closer to 90%. If you're fine waiting your money on 10% more nitrogen, I've got no qualms either.
Posted by DownSouthDave
Beau, Bro, Baw
Member since Jan 2013
7386 posts
Posted on 12/15/14 at 9:06 am to
quote:

Nitrogen is dry, that's why. It's not the gas expanding and contracting, it's the moisture in the air that does it.


Wait, so you're saying that the condensate (liquid) is what is expanding and contracting, not the gas? I'm certainly nowhere near an expert, but that sounds totally wrong. Gasses should expand and contract 100 times more than a liquid, right?
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