dear Mr/Mrs/Ms Dieselhead,
with all due regard, it sounds like what you're calling "slipped
belts" is actually separation or possibly even other issues. your broad
definition below of what you call a slip might account for at least some
of the reason that you're reported this happening so much to you, but
losing a ply completely is clearly something more than a "slip" to most
people.
note that some sources in the tire business will even say that
there is "no such thing as a slipped belt" since the earliest days of
radial tire manufacturing, so it would seem the definition you're
suggesting isn't universal.
also, sorry, but in your previous description of the Yokohama
failure you wrote, you stated that it already had several hundreds of
miles on it (with no mention of the heat cycles it had before failure),
so it doesn't seem that's exactly a valid example to compare to a new tire.
frankly, even taking into account your broad definition of the term
"slipped", seeing anyone report having experienced any issue as much as
you have this one would make me wonder if there isn't some other
influence at play.
cheers!
e
On 03/Jan/11 15:17, Dieselhead wrote:
As Philip said, you described slipped belts. Because the tires were
"new" does not mean they didn't have slipped belts. My "New" jokohama
that flew apart slipped a belt too. Only that one slipped it clear
off the carcass. The carcass still held air. Any tire that wobbnles
or sounds like a wobble (Noise at 1x rotation freq.) has a slipped belt.
i suspect we have different definitions of what is a "slipped belt";
it's a commonly misused term. i don't believe it's possible for a
belt to "slip" when it's molded into a tire, and as i understand it
manufacturing techniques for modern radial tires have made it
unlikely for many years that a belt could "slip" during manufacturing.
while it may be possible to have separation, i don't believe that
was the case in the tires i spoke of; the fact that they didn't all
even suffer the same problem leads me to be inclined to believe that
they were simply manufactured poorly. i'd be more likely to suspect
separation after they had some time/miles on them, but these were so
fresh they still had the preservative and mold nubs on the tread face.
cheers!
e
On 03/Jan/11 12:31, Fmiser wrote:
ernest breakfield wrote:
i got a set of (5) wheels that came with another model of
Wrangler (GSAs) on them that had a mixed tread that were
almost unused, and some of those tires were out of round while
others were out of true. while they would all balance up fine,
there was no way to put any 4 of them on the ground without
bumps or wobbles.
i've never experienced a "slipped belt" in any tire
(yet!).
heh. I think you did. Your description of the not-round tires
sure sounds like a slipped belt to me!
-- Philip
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To search list archives http://www.okiebenz.com/archive/
To Unsubscribe or change delivery options go to:
http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
