Blowout - Page 3 - Fiberglass RV


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Old 02-23-2011, 09:56 PM   #29
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Andy, As Greg stated it can and did happen. I had read about the valve stem issues and had taken the trailer down and had the stems changed before we took off ( dumb, a$$ put on faulty stems!) . Our blow out was the first trip after getting the Casita home, total blowout! Tire everywhere! Of course I had new tires put on in the next town. The comments from the tire shop (second tire shop in a week) was, those are new tires they Shouldn't blow out! In my world "shouldn't" shouldn't be a word.................................


The next valve stem issues was later that camping season and the stem completely cracked (which allowed air to blow out if the stem wasn't in the right position), I found it while checking tire pressure before heading down the highway. I drove 4 blocks praying (God answered that prayer!) I would make it to the tire store. Again had stems changed (metal) and haven't had an issue again.
I agree that a valve stem problem can cause rapid tire deflation but that is not a blow out. A blow out is when the tire bursts or ruptures. It seemed to me that the term was not being used correctly. Rapid tire deflation due to any reason can be dangerous, and if the tire is run without air for a while, any flat can look like a blowout because the tire is torn apart.
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Old 02-23-2011, 11:53 PM   #30
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I didn't run very long without air. I actually heard it blow and started slowing it down and getting over. The valve stem was completely blown out, broke apart .... What ever it was, (I will continue to believe it was a valve stem issue) I know I don't want to have that happen again. It wasn't fun and to think what really could have happened had I not heard it, actually I prefer the way it happened cause I was on top of it.
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Old 02-24-2011, 10:38 PM   #31
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I notice that those tires all all bias-ply. The ones on my camper now are radials (Karrier, 5 ply, ST205/75R14 50psi 1760lbs.). Is there any advantage of one over the other? I do like the idea of buying tires made in the USA like the CARLISLE tires in your link.
I have no idea what the physical difference is between radials and bias plys, but I can certainly testify to the difference in performance when used on my Trillium.
When I bought the trailer it had brand new (I got the receipt) radial tires on it. The fellow I bought it from had taken the wheels to Wal-Mart and had the tires put on;I suppose they didn't know or care what kind of vehicle they were for. The first time I took it on the highway it started swaying (at about forty mph) so bad that I turned around and went straight to the local RV guy, thinking I needed sway bars or something. He took one look at my tires and said that radials were wrong for the trailer and that I should go straight to the tire store and buy proper, bias-ply trailer tires.
Les Schwab ( all over here in the West), confirmed the diagnosis, I bought two bias ply tires, and resumed my trip. The difference was night and day. Problem solved!
Maybe there are radials that will work for you; just make sure to ask the seller (or your trailer's maker) if they're appropriate for your trailer.
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Old 02-24-2011, 10:54 PM   #32
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The sidewalls on trailer tires are much stiffer than car tires, the ST stands for special trailer. Radials are good car tires, smooth ride better gas mileage, long life. Maybe not so good for trailers.
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Old 02-24-2011, 11:34 PM   #33
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ST205/75r14 Radial c rated 6 ply trailer tires, max 65 psi set at 38 psi per trailer manufacturer recommended tire pressure listed on inside of closit door. The tires support 1870 lbs. set @ 50 psi each (they rate higher than axle so great)
Trailer shipped original same size b rated tires with only 1500 lbs. each max each.
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Old 02-25-2011, 06:30 AM   #34
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Hi: Robin G...For that very reason, " I actually heard it blow", I tend to tow with the radio turned off!!! I have towed with both ST. Carlisle Bias Ply tires and Goodyear Marathon Radial tires properly inflated to trailer specs. The radials seemed to have more bounce...but no more sway.
Alf S. North shore of Lake Erie
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Old 02-25-2011, 06:44 AM   #35
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Maybe shocks would help with bounce?
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Old 02-25-2011, 10:10 AM   #36
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I've had absolutely no problem with sway with my radials, even without any type of anti-sway device. They are ST tires; maybe Francesca's radials weren't STs and were just regular car tires?
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Old 02-25-2011, 01:09 PM   #37
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I've had absolutely no problem with sway with my radials, even without any type of anti-sway device. They are ST tires; maybe Francesca's radials weren't STs and were just regular car tires?
I'll bet you're right, especially since it sounds like Wal-Mart doesn't sell trailer tires. Who knew there was any difference? I guess the lesson here is passenger car tires DON"T BELONG on trailers! I hope everybody goes out and looks for those magic "ST's (Special Trailer)" on their tires.....
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Old 02-26-2011, 08:34 AM   #38
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Hi: Borden... I believe that ST. Radials still have more flex in the sidewalls than Bias ply ST's. I didn't mind the bounce as I figured it may help the tortion tube rubbers last longer. Just IMHO!!! What I do know is that items placed on the floor of our 5.0 are still where I put them when we arrive.
Alf S. North shore of Lake Erie
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