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Old 08-07-2012, 06:02 PM   #29
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Tyron System

Diplomat Don.....

Very good post....... Thank you for the information.

Becker
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Old 08-07-2012, 06:58 PM   #30
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Thanks....I was playing with my grandson and missed several typos during my final spell check!
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Old 08-07-2012, 08:50 PM   #31
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Originally Posted by Tireman9 View Post
Glad everything worked out OK.

I think this provides a good learning experience. First we see that a "blowout" is really a Run Low Flex failure. I just did a couple posts on this type of failure Here and Here but some people insist that since they checked the air that morning they "know" the tire is defective and they did not loose air.
This is not entirely correct. While some tire failures are the result of a "run low flex failure", a "run low flex failure" is not the only cause of a blowout type failure. In fact, most "run low flex failures" do not result in a blowout. The tire has lost pressure, and no bursting occurs as the tire comes apart. Other types of tire damage often cause the sudden and complete loss of pressure of a blowout. It makes a very loud sound, similar to a shotgun blast. From the OP's explanation, this was not a blowout failure. The tire pressure was lost through a sheared valve stem, not a bursting of the tire. There was no "bang" or loud sound. He was not aware of the controlled loss of air through the stem's hole. While the loss of the tire inflation pressure was quick, it did take some time to elapse (time how long it takes next time you are at a tire shop). The tire's destruction came from driving without air in it. By definition, this was a "run low flex failure" of the tire, but not a blowout.
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Old 08-07-2012, 10:08 PM   #32
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This is not entirely correct. While some tire failures are the result of a "run low flex failure", a "run low flex failure" is not the only cause of a blowout type failure. In fact, most "run low flex failures" do not result in a blowout. The tire has lost pressure, and no bursting occurs as the tire comes apart. Other types of tire damage often cause the sudden and complete loss of pressure of a blowout. It makes a very loud sound, similar to a shotgun blast. From the OP's explanation, this was not a blowout failure. The tire pressure was lost through a sheared valve stem, not a bursting of the tire. There was no "bang" or loud sound. He was not aware of the controlled loss of air through the stem's hole. While the loss of the tire inflation pressure was quick, it did take some time to elapse (time how long it takes next time you are at a tire shop). The tire's destruction came from driving without air in it. By definition, this was a "run low flex failure" of the tire, but not a blowout.
OK we agree that run low flex failure occurs when the tire has run, usually at highway speed with ultra low ( less than about 30% of the correct inflation) down to zero inflation pressure. What I have seen over my career is that when a tire comes apart and the body structure disintegrates is that the vast majority of users call the failure a "blowout".
In the case of this thread the OP still used the term blowout even though he had a valve stem failure (due to external forces) . My point and the point of the tire analysis in my links where the tires were called "blowouts", was that that term is not correct. The tire was not properly inflated just prior to it coming apart.

In reality the other ways for a tire to go from correct inflation to zero is a very large (multiple inches in diameter) cutting puncture or to have a sidewall impact that causes the body cord to break over a 3/4" to 3" long area. The tire is still inflated but now with only rubber and no body cord holding the pressure many times the 3/4" to 3" part of the sidewall will heat up and there will be a sudden rupture. I have never seen or heard of a properly documented case of a tire simply bursting as the vehicle was driven down the highway without there having been some external form of damage
Sidewall impacts leave completely different evidence than run low flex.
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Old 08-07-2012, 11:05 PM   #33
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OK we agree that run low flex failure occurs when the tire has run, usually at highway speed with ultra low ( less than about 30% of the correct inflation) down to zero inflation pressure.
Tiredude, I don't know who you worked for, or who you think is agreeing with you. (Not me.) 80% of maintenance pressure (20% loss) is considered a flat tire, that if driven on can result in damage or failure.


Quote:
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What I have seen over my career is that when a tire comes apart and the body structure disintegrates is that the vast majority of users call the failure a "blowout".
Actually, you called it a "blowout".


And yes, a properly inflated new tire can loose it's tread and/or "blowout" from a defect in construction. Some make it a bit down the road, others never make it out of a tire inflation cage.
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Old 08-07-2012, 11:58 PM   #34
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They very in price depending on the vehicle/market. I know they were getting close to $900.00 for a Mercedes. Armed with the above, you can make you decision if they are for you.
When we bought our Bounder back in March 2007 the dealer added Tyron bands at a cost of around $1000 if I recall. Hopefully we'll never find out how effective they are...
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Old 08-09-2012, 07:24 PM   #35
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OK, enough of the arguing to be right. I am the original poster and know as much about tires as any average guy. It was a blowout to me, more than anything because the end result was about the same. My original reason for posting was not to emphasize blowout or flat, it was to let a few people know that the device actually worked. Frankly I was surprised because of the way it is sold. The side walls stayed in place until I could safely pull over. Also, I never needed to use the acceleration then slow technique because I never had a loss of control. Maybe you guys should start another post to argue about who is right. I watched yesterday the replacement installation, and it obviously works as a previous post explained. I would add to that post, the device has spacers that fill the channel he spoke of, which supports the band. The only cons I can think of is that most tire shops have no idea what this is and the price. I think the mobile repairman bent it trying to get it off. More on the pricing in another post.
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Old 08-09-2012, 08:47 PM   #36
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Pricing:
I hate this part because its like buying a car. High presure sales at the time you are paying for your RV. As far as I know you can only purchase them at the time of sale. We were told that they were 1700+ a set and how we must buy them for our family/grandchildren protection. Yuk, that made me mad and I said forget it and they dropped the price to 900+, because they wanted to, "keep me safe". They sell it when they are trying to get you to buy a window protection, undercoating, extended warranty, etc. To be honest I think $1,000.00 is reasonable; and that's it. I will never buy andything at that time of the sale again. Prices are not posted and they are way out of line and if you don't barter your screwed. They should either be listed on the sale poster or out in the open in the showroom for all to see. As I am sure most of you know most everthing is for sale at a lower price from many other suppliers later. I paid $500.00 for the replacement.
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Old 08-10-2012, 01:43 PM   #37
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Tyron System

JimO.....

Thanks for all of the information. I know there is a lot of back and forth going on, but if you had not posted anything, a lot of us would not know or even suspect there is anything like Tyron available. I am considering it strictly as a safety feature.

On your replacement..... can you post the dealers name where you bought it?

Also, could a service truck change a tire like this beside the road without another rim?

Thanks.

Becker
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Old 08-10-2012, 01:47 PM   #38
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I never received a response from Chuck at TYRON USA. Guess I need to poke and prod him.
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Old 08-10-2012, 02:12 PM   #39
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Tyron USA
Thatcher Chuck
(813) 620-0364
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Old 08-11-2012, 12:27 AM   #40
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When I posted that some Mercedes dealers were charging $900.00, I meant $900.00 per wheel! Our Department bought them many years ago for $400.00 for a set of four. They initially installed them in our mountain cars and suvs and then never used them again.

I think if you have a Ford Crown Vic, or an older Chevy Tahoe, I could get a good deal on some used ones. :-)
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Old 08-11-2012, 09:46 AM   #41
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Poke and Prod Chuck

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I never received a response from Chuck at TYRON USA. Guess I need to poke and prod him.
Don you will have to contact me. I can not discuss price or product on this sight. Just basic information. I t is considered marketing or selling on this sight. I did send you a reply, it was removed by system admin. However do plan to be vendor on this sight. Im having new graphics being made as we speak. Will take 10 days two weeks.
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Old 08-11-2012, 09:53 AM   #42
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Don

I dont advise installing used Tyron Bands. There are many good reasons not to do it.
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