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Old 08-28-2013, 07:09 PM   #99
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Quote:
Originally Posted by Bobreel View Post
Maybe it is time to take all of the tires off and buy some other tire that will not blowout.
When you can find a way to determine which tires will not blowout you should patent the procedure ...
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Old 08-29-2013, 10:41 AM   #100
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According to Janet Stevens at Michelin, this was "Run Flat". Of course it was, I can't stop immediately.

snip

A couple of years later, when my "last Michelin" blew out, the body shop had VMAR,
an accident reconstruction firm inspect the tire and put the blame on Michelin.

snip
Thanks for pictures. Not quite as sharp as this one


but gives me something to go on.

One question, Do you know if the tire body ply is Polyester or Rayon? This information is on the tire sidewall. If you do not have the tire do you know anyone with the exact size and design Michelin? or can your contact at Michelin provide the answer.
I am asking because the broken cord ends in your picture look more like Rayon but could be Polyester.

You will note in my picture above, the area circled in RED where the body ply broke along a circumferential line which is similar to what is seen in your tire. This is one of the clues tire engineers use as they do tire autopsies.
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Old 08-29-2013, 12:06 PM   #101
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This was 8-10 years ago. All I know is they were LT265/75R16 Michelin LTX M/S
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Old 08-31-2013, 07:47 PM   #102
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Lacking any additional information and not having sharper pictures than seen in post #98, I can only offer my opinion with 80% -90% confidence the tire failed due to 'Run Low Flex".
The failure of the body cord in a nice circumferential line most of the way up the sidewall is consistent with this type of flex fatigue failure.
Such a failure comes from running a number of miles with probably less than half the required minimum inflation while at highway speed.

Here is a nice example of a tire with a proven Run Low Flex Failure.

Note the nice circumferential nature of the body ply failure.
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