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Old 08-23-2012, 04:18 AM   #29
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Originally Posted by w7ts View Post
I am understanding this correctly that Airstream makes trailers as long as 23 feet with 14 inch tires?

Ken
Yep, ours is a 2011. It is a pretty light 23', I will say that. It seems to pull easier than out 19' Bambi did, but that may be due to the second axle.
I still wish it had the 15" wheels though..

Jeff
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Old 08-23-2012, 08:31 AM   #30
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I'm no expert on tires, but I own and have towed single and double axle Airstreams all over this country and throughout Canada, including the Yukon and British Columbia. It quickly became apparent how important it was that I needed to be vigilant about making sure the pressure in each tire is identical at all times. I also try to tow at, or below, the recommended tire speeds. Fortunately, other than a valve stem issue, which was picked up by the tire pressure monitor, I have had no tire failures on either (yet).
Probably just lucky.
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Old 08-23-2012, 09:03 AM   #31
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Welcome aboard, JackDog. We're former Casita (2010) owners who also changed out the 14" GYM's for 15" MAXXIS's, partly for greater offroad clearance, and partly because of the many scare stories on the Casita forum. On our 2011 FC23FB we retained the 14" GYM's and have had no problems in 15,000 miles of aggressive use (freezing, broiling, rough roads, deserts, CO mountain passes etc.). I plan to retire the GYM's at either wear point or 4 years, whichever comes first, and look seriously at fitting 15" MAXXIS Load D's.
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Old 08-23-2012, 11:36 PM   #32
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Tires

To my knowledge all ST tires are still 65 MPH tires EXCEPT for the Cooper Custom Trailer plus which used to carry a speed rating of 99 mph.. The rubber compounds will still fail at lower temperatures than a tire that carries a speed rating of 99 MPH or better. My personal opinion is that on the lighter trailers if you can find a car (Pmetric or no letter) tire of the proper weight carring capacity written on the sidewall (1. weigh the trailer. 2. Subtract the tongue weight from the gross weight. 3. Divide the remaning number by four. This will give you the weight on each tire. Better yet, slide a portable scale under each tire and weight each one) you would be better off because car tires carry generally a Speed Rating of 99 MPH or better.
This is my opinion, not a recommendation.
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Old 08-25-2012, 11:00 AM   #33
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GYM Feedback

Just replaced the three GYMs that came with my 2007 Classic Limited and the one GYM I installed last year when I picked up a nail and ruined a tire.

The tires had run flawlessly on this 10,000 GVW Airstream and still had nearly new tread, after a year of use by me and three years of use by the PO who purchased it new.

I had the tires replaced because they had "aged out" not "worn out."

I replaced the GYMs with Load Range E Maxxis manufactured in April-June of this year. I will run them with 65 to 70 psi as the Maxxis Tire Load/Tire Pressure chart recommends.

This experience pretty much mirrors the experience with my 2000 Safari. I ran the GYMs that came with it until they aged out in 2006.
Attached Files
File Type: pdf Maxxix Load-Inflation Chart.pdf (142.2 KB, 23 views)
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Old 08-25-2012, 12:04 PM   #34
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Question about the 16" wheels. What tires do you run? My trailer came with load range c and suggested 45 psi. I am currently running 15" Michlen LTX's which, intereting enough, is a P metric size but max inflation is 50 psi, which I run. But when I look at the 16 inch tires all I seem to find arouund 225 size are E rated for 80 psi. No way I am going to deflate those to the 50 psi or so that I run. For the people running the 16 inch wheels on 25' or less trailers. What pressure and tire do you use?

I need tires. Choices are another set of the 235x15 Michlen, which is the way I am leaning, or GYM load range C if I can get them (steel wheels, 50 psi), or go to the 16" wheels and what?
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Old 08-26-2012, 05:39 PM   #35
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Gym's blow and go!

I finally had my fill of GYM's, pulling a 31 S/O over the last 8 years. Of the 8 tires, 3 blew side walls, 2 were road kills and the rest were just waiting to blow. I tried tire monitors, balance beads, and nothing helped except to give them a heave. I went the Michelin LTX , 16 wheels from Discount Tires and hope these are my last set. I reduced the tire pressure from a max of 80 to 65 to improve the ride. They run cool, look good and they match my trucks LT's. In 35 years, I have never blown a Michelin tire and sorry I didn't move to these for my A/S sooner.

As a side note, Goodyear never gave me a single refund on any of their tires, even tho I tried. Goodyear customer service blew me off, so this is my exit.
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Old 08-26-2012, 06:15 PM   #36
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More GYM Thoughts

Our experience with GYM tires has been good. The unit had GYM tires on it when we purchased it (We are the third owner), and we replaced the tires based on age. This set of tires looked good at the time of removal. We installed GYM tires when we replaced the previous set, and have now driven about 12,000 miles with no problems.

It is difficult to understand how, when someone experiences multiple tire problems on the same TT, one can assign the blame only to the tire.
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Old 08-26-2012, 07:13 PM   #37
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It is difficult to understand how, when someone experiences multiple tire problems on the same TT, one can assign the blame only to the tire.
Ya, who in their right mind would think that a tire made in china is junk.
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Old 08-26-2012, 07:25 PM   #38
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Originally Posted by Bill M. View Post
Question about the 16" wheels. What tires do you run? My trailer came with load range c and suggested 45 psi. I am currently running 15" Michlen LTX's which, intereting enough, is a P metric size but max inflation is 50 psi, which I run. But when I look at the 16 inch tires all I seem to find arouund 225 size are E rated for 80 psi. No way I am going to deflate those to the 50 psi or so that I run. For the people running the 16 inch wheels on 25' or less trailers. What pressure and tire do you use?

I need tires. Choices are another set of the 235x15 Michlen, which is the way I am leaning, or GYM load range C if I can get them (steel wheels, 50 psi), or go to the 16" wheels and what?
Bill, I ran the first 1500 miles or so at 65 psi and watched the wear pattern closely. I have recently decided to bump it to 70 psi. I was also seeing a little too much pressure rise on long pulls at 65psi. (7 to 10 psi)
I need to run over the scales again, but haven't done it this year. I'd wager I'm at 8000 - 8200 on the axles.
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Old 08-26-2012, 07:36 PM   #39
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Thanks guys. I am at a bit under 6000 on the axles. Guess I will stick with the 15" wheels and 50 psi tires.
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Old 08-27-2012, 01:22 PM   #40
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nicmeloy Nails It

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It is difficult to understand how, when someone experiences multiple tire problems on the same TT, one can assign the blame only to the tire.
My thoughts exactly, nickmeloy. That's why I continue to post fact-based information on the topic.
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Old 08-27-2012, 06:09 PM   #41
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For discussion purposes, how does one explain a failure rate of 55% when running 15-inch ST tires, that drops to zero after switching to 16-inch wheels and LT tires, when nothing else is changed?
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Old 08-27-2012, 08:01 PM   #42
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For discussion purposes, how does one explain a failure rate of 55% when running 15-inch ST tires, that drops to zero after switching to 16-inch wheels and LT tires, when nothing else is changed?
The extra 1/2 inch in height allows more air to flow under the trailer, thus keeping the tires cooler, thus avoiding blowouts? You didn't thinlk anyone was going to come up with a reason, did you?

Ken

PS, I am convinced mine is more that 1/2 inch higher. However I'm not going to swap back in order to measure it.
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