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Old 07-02-2015, 11:26 PM   #43
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Quote:
Originally Posted by hdossett View Post
I use AZ air, moisture is not a problem here!

H
Not as big as here in the Pacific North Wet but still can be a problem due to compressing the air.
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Old 07-03-2015, 08:32 AM   #44
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So, all I can see of the test by the PHD, other that switching units of measurement to add to the confusion, is that it is all about maintaining proper tire pressure. If someone is OCD about tire pressure, the gas used would be irrelevant. If someone is very lackadaisical about tire pressure, the same would be true. You maintain the proper pressure, or not! And the trucks were running 120,000 miles a year and I would say there are not many MHs owners here with that many mile on their rig. Mine is 14 years with only 93,000 miles, on it's third set of tires. The fact that Ingersoll Rand paid for a test with results that supported their cause, i.e., sell more nitrogen generators, should also be considered. Also, a less than .5 PSI difference in 50 PSI tire, is a 1% difference, not a 50% difference, but, that's just playing with numbers.

Everyone pays attention to the things that matter to them, be it tire inflation gas, tire brand, brand of fuel, shampoo, or breakfast cereal! Also, they will save money on one thing just to waste it on another. That's just people, and there is no way around it!

And, as for moisture in the air, I have started my annual ritual of collecting the water from my AC condensate drain. I collect and store about 8-10 gallons a year for use in batteries, radiators, windshield washers and such, anything where distilled water would be the best thing to use. Seems like it should be just as good as distilled water, and a lot cheaper! I can only collect it during our monsoon season!

Full disclosure, I'm not a PHD, but I did meet one years ago, I think! Also, I took PSY101 about 40 years ago!

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Old 07-03-2015, 10:08 PM   #45
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Gotta jump in here- as this subject comes up about every year.
I have Nitrogen in All of my tires, Cars, Truck , MH- and Race Car, Race Trailer.
Simple Reason ---- Pressure never varies in -10 to 80's when I head to Florida in Feb from Indiana. I carry a 30 size tank and reg on board just in case.
There are Pro's and cons to Nitrogen in tires, I think the Pro's out way the Con's.
It's just personal preference I like knowing that my 22.5's are the same all Day long.
Boyles Law governs the expansion rate of ALL gasses, they expand at the same rate. The difference is not using a moisture filter on the compressed air line of the air compressor. Any gas that is moisture-free acts exactly the same way. The moisture level in the gas is what makes the difference in expansion rate.
Your pressure does vary from temperature levels, you can't get around that with any gas.
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