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Old 09-26-2010, 06:54 AM   #29
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There are water traps that can be added to the outlet side of the compressor that will help considerably at a minimal cost.
I dont know whether moisture would be detrimental or not but it the quantity were enough it would sure would raise havoc with the balance of the tire.

Harold & Linda
2009 CT coachworks siena 35V
W22 Workhorse 8.1L. Explorer Sport toad,
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Old 09-26-2010, 07:11 PM   #30
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Ron, whatever the humidity level of ambient air you are pumping into your tires is compressed at the same rate ( volume=7 to 1 I think) as the air pressure. I'm certainly no expert or engineer, but if you have a compressor with a storage tank, and you use it daily, it should be drained daily, you will be surprised at the amount of water condensed inside. A water filter/trap prevents most moisture from passing through to tools and tires.
Large industrial business's that use air pressure for power also have a refrigeration unit to chill the compressed air after it exits the compressor. This condenses remaining moisture so it drops out and is drained away.

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert theConstitution. "Abraham Lincoln"
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Old 09-27-2010, 06:56 AM   #31
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Thanks Ray,

I'm sure the little compressor I mentioned above does not have any filter. I have noticed after toping of my tires, the nozzle has condensed moisture on the outside. I was just curious as to how much moisture gets inside the tire after several years of using the Truck Air Pump.

2002 32' Adventurer 8.1 Workhorse no toad
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Old 09-29-2010, 08:09 PM   #32
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I'm with "az bound"

I have (unfortunately) become an expert on this issue. Two blowouts on the right rear inner dual qualify me as such- .

I got the rig weighed on all the corners, as well as on the axles, and found out my right rear wheels are over weight with just fuel and fresh water in the tanks. The manufacturer has put the bedroom slide out, the 7000 watt generator, the two house batteries, the washer/dryer, and the gray water tank, all over this right rear axle leading to disaster in the tire arena.

The only thing that will save me from another blowout is maximum (COLD) tire inflation- I think. The Michelin charts allow me to go to 110psi and give me a slight cushion on this overweighted corner. And yes, I'll run the left side at this pressure also.

We'll see-
Max H,
2002 Newmar Mountain Aire, 37', 3778, W-22, 8.1 Vortac, Ultra Power upgrade, CAI (cold air intake), Taylor wires, colder plugs, Koni shocks.
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Old 09-29-2010, 08:22 PM   #33
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You may be able to shift to a higher load rating tire, or a larger tire size. Beware, however, of overloading the axle itself.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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Old 09-29-2010, 09:40 PM   #34
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There are two posts in the " motorhome general discussion" forum that all should read. They were posted by an engeneer with 40 experiance in tires. I know it will be an eye-opener for many. At least I would hope so. Its under the thread " tire pressure links" It may just save someone some money, possibly even their life.

Harold & Linda
2009 CT coachworks siena 35V
W22 Workhorse 8.1L. Explorer Sport toad,
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