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Old 12-19-2010, 02:52 PM   #1
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Nitrogen filled tires.

I have a new 8528RKWS Flagstaff. It came with nitrogen filled tires. We now have a flat on one of the tires. Any suggestion as to where we might find Nitrogen to repair the tire?
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Old 12-19-2010, 04:04 PM   #2
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Regular air is apprx 80% nitrogen. Believe what you want. Big con in my opinion
Air Composition


The sea-level composition of air (in percent by volume at the temperature of 15C and the pressure of 101325 Pa) is given below.


Name Symbol Percent by Volume
Nitrogen N2 78.084 %

Oxygen O2 20.9476 %

Argon Ar 0.934 %

Carbon Dioxide CO2 0.0314 %

Neon Ne 0.001818 %

Methane CH4 0.0002 %

Helium He 0.000524 %

Krypton Kr 0.000114 %

Hydrogen H2 0.00005 %

Xenon Xe 0.0000087 %
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Old 12-19-2010, 04:57 PM   #3
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Just put regular air in it. You will never know the difference.
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Old 12-19-2010, 05:02 PM   #4
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Thanks for the information. I thought that was the case but just didn't have the info. Thanks you again.
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Old 12-19-2010, 05:31 PM   #5
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Steve, did the tire just go flat due to a slow leak, or there a hole somewhere ?? If it is a radial tire and it has a hole, I don't think it supposed to be plugged.....there are special patches for those. My son-in-law patched 1 of his tires, and it ended up going flat again and disintegrated on I-40 in NC. before he found out......we learned a lesson from that.

Many tire stores have nitrogen available for fill.....but at a cost of course. If you decide to fill your tire with plain old air, it would be interesting to see if you experince any difference with that tire vs. the N2 filled ones, ie. higher running temperature, pressure increase, pressure losses, etc. It would be a good little experiment.

BTW, I am like the other posters, and run 80% N2 in my tires......plain old compressed air. There are some that think the extra 15% (it is almost impossible to get 100%) or so of N2 is a benefit. Each member has their own ideas, and it has been discussed extensively here and other forums. Read the information, and make the decision of which way to go.
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Old 12-19-2010, 06:06 PM   #6
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When I replaced the tires on all 3 vehicles (Truck, SUV & Trailer) the tire shop filled with N2. As they need topping off I will add compressed air. That's what Discount Tire told me to do.
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Old 12-19-2010, 06:36 PM   #7
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Nitrogen is only necessary of your RV can do 150 mph for 3 miles with a dragging brake. After invetigating tire bursts on commercial and military airplanes as part of my job at Boeing, that kind of heat input from a bake into the tire was about the only thing that could cause an air-filled tire to explode. Airplanes use nitrogen for that reason.

Absolutely no good reason to spend the money on ground vehicles.
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Old 12-19-2010, 08:47 PM   #8
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mtnguy The tire just went down I don't know yet if it was a slow leak or something is in the tire. You are correct in that they must be patched from the inside. I ran an F-150 with nitrogen in the tires and the only difference was in the pressure.It maintained very good pressure. Only had to top of once a year and I checked it monthly. Thanks for the reply and to all replies they are very helpful
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Old 12-20-2010, 12:57 PM   #9
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Quote:
Originally Posted by F and E Damp View Post
Nitrogen is only necessary of your RV can do 150 mph for 3 miles with a dragging brake. After invetigating tire bursts on commercial and military airplanes as part of my job at Boeing, that kind of heat input from a bake into the tire was about the only thing that could cause an air-filled tire to explode. Airplanes use nitrogen for that reason.

Absolutely no good reason to spend the money on ground vehicles.
I've seen high end tire/rim combos that have two air valves. One to put air in the other to take the "regular" air (as stated already 80% nitrogen...) out. These were for high performance cars (racing). I won't spend my money on this sort of gimmick (IMHO).

happy camping (weather permitting),
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