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use of co2
has enyone checked the differance of tire pressures after tire heats up when using co2
went to the local air gas store to price a tank and the gentleman there talked me out of using co2 due to it being an unstable gas that can increse tire pressure to dagerous levels when heated |
Great question. Air expands/contracts within a few pounds of pressure on a 30~35psi normal size car tire. I'd expect the same few pounds of pressure range on a 35" tire, although there is more 'capacity' in the tire, and normal driving is up around 40~50 psi. There might be a little more range because of the increased psi? :thinking:
So the question is...for the range of heat generated in typical driving and weather conditions...does CO2 expand/contract more or less than regular everyday air? :munching: |
co2 pressure will go up when its hot the guy you talked to is correct i wouldn't use co2, now nitrogen yes or just plain air works
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For what it's worth I air down to @ 15 psi and after the run I take it back to @ 37 with C02. The next day the pressure will drop @ 5 pounds. I have not had a problem with C02 expanding to a dangerous point that I know about. If you had nitrogen and were to air aown I can see the $$$ flowing away..
Best of luck. |
the only problem with nitrogen is you cant take a signifigant volume on the trail. you'd need a huge cylinder.
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on that note, do you replace the co2 with atmospheric air for daily driving or is it safe to air up and drive 1,000 miles on hiways
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Pressure x temp = new pressure x new temp. Do the math and figure out how much temp change you'd need to blow your tires up.
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Originally Posted by skeptic
(Post 598164)
Pressure x temp = new pressure x new temp. Do the math and figure out how much temp change you'd need to blow your tires up.
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thats what im gonna do. i dont care to run nitrogen; im more so weighing co2 vs air compressor. im sure ifit were that big of a difference, it would be well known
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Originally Posted by HITMONEY
(Post 598200)
Here is what will sell you...
Go wheeling with me.. after a day of fun and its air up time... I get my hose connect to Co2... you crank up your on board compressor. You get done filling up tire one. I am reeling up my hose to put it away because I am done all four and I am now watching you still bent down on your knees going for tire number 2. And hey...while your down there...... :brows: thanks for the tip. no pun intended |
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