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Tyre failure example (with an aside on tyre liners)

Started by Andrew Webster · · Last activity · 17 posts · 1,436 views

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Cycling Equipment
Published
3 December 2003
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12 December 2003
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Andrew Webster
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  1. I had a substantial tyre failure today - see pictures. Ended up with a large bit of tread missing
    and a gash right through the cords.

    see pictures at:

    webstersabingdon.plus.comtyres

    I ended up with a large egg in the tyre with a distinct lump on each rotation.

    The point of this is that I was only saved from a blowout by the Mr Tuffy tyre liner inside acting
    as a tyre boot. This is a benefit of tyre liners beyond the prevention of punctures from "just
    penetrating" objects that is sometimes missed.

    Another side benefit is that any punctures (the only other one in this tyre in over 3000 miles was
    caused by a large nail that no reasonable precautions could prevent) tend to self-seal to some
    extent, leaving you with a slow puncture that can be sorted when convenient.

    Does anyone have any other evidence to support these comments?

    My final point is a comment on the threads about tyre longevity. I rarely wear down tyres, much more
    usual is this sort of sudden failure
    - as you can see this tyre still had plenty of tread left after 3300 miles. So my answer to those
    who ask "how long can I expect my tyres to last?" is "until you run over something that shreds
    them". Does anyone else subscribe to this view.

    Don't know what caused this puncture(dark & wet - I didn't see what did it), but I'm certainly glad
    to have been saved from a long walk (I carry spare tube, but not tyre). One up to tyre liners on
    this occasion.

    Andrew Webster

  2. (Andrew Webster) said:

    I had a substantial tyre failure today - see pictures. Ended up with a large bit of tread missing
    and a gash right through the cords. webstersabingdon.plus.comtyres

    That's not a tire! That's an alien! Shoot it! Isn't it obvious from it's guts that it's an alien,
    come to invade the planet and cook all the humans? Look at all the gooey, stringy [censored] with oddly
    colored bits randomly mixed in. Don't you know alien physiology when you see it?

    Quoted message said:

    I ended up with a large egg in the tyre with a distinct lump on each rotation.

    See? Tires don't reproduce with eggs, aliens do!

    Quoted message said:

    Does anyone have any other evidence to support these comments?

    Your pictures are evidence enough. Shoot it before it calls for reinforcements, already!

    Quoted message said:

    My final point is a comment on the threads about tyre longevity. I rarely wear down tyres, much
    more usual is this sort of sudden failure
    - as you can see this tyre still had plenty of tread left after 3300 miles. So my answer to those
    who ask "how long can I expect my tyres to last?" is "until you run over something that shreds
    them". Does anyone else subscribe to this view.

    You're obviously wrong. The correct answer is "until a tire-shaped alien takes it's place and
    gets injured".

    Quoted message said:

    Don't know what caused this puncture(dark & wet - I didn't see what did it), but I'm certainly glad
    to have been saved from a long walk (I carry spare tube, but not tyre). One up to tyre liners on
    this occasion.

    It's obviously caused by the alien underestimating your riding. He probably thought that you were
    like the more commonly visible riders, and your rides are limited to two or three times per year for
    a couple miles on the clean paved bike path.

    You better hope he doesn't contact any Vogons... Oh freddled gruntbuggly thy micturations are to me
    As plurdled gabbleblotchits on a lurgid bee. Groop I implore thee my foonting turlingdromes. And
    hooptiously drangle me with crinkly bindlewurdles, Or I will rend thee in the gobberwarts with my
    blurglecruncheon, see if I don't!

    Quoted message said:

    Andrew Webster


    --
    Zaphod Beeblebrox

  3. Rick Onanian said:
    (Andrew Webster) said:

    I had a substantial tyre failure today - see pictures. Ended up with a large bit of tread missing
    and a gash right through the cords. webstersabingdon.plus.comtyres

    That's not a tire! That's an alien! Shoot it! Isn't it obvious from it's guts that it's an alien,
    come to invade the planet and cook all the humans? Look at all the gooey, stringy [censored] with oddly
    colored bits randomly mixed in. Don't you know alien physiology when you see it?

    I thought I saw a hand and arm in there.

    --

    David L. Johnson

    __o | Let's not escape into mathematics. Let's stay with reality. -- _`\(,_ | Michael Crichton
    (_)/ (_) |

  4. "Rick Onanian" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    You better hope he doesn't contact any Vogons... Oh freddled gruntbuggly thy micturations are to
    me As plurdled gabbleblotchits on a lurgid bee. Groop I implore thee my foonting turlingdromes.
    And hooptiously drangle me with crinkly bindlewurdles, Or I will rend thee in the gobberwarts with
    my blurglecruncheon, see if I don't!

    Another g. daniels tribute?

    --Josh (removing exhausted Babel fish from ear and placing in satchel)

  5. "Rick Onanian" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    You better hope he doesn't contact any Vogons... Oh freddled gruntbuggly thy micturations are to
    me As plurdled gabbleblotchits on a lurgid bee. Groop I implore thee my foonting turlingdromes.
    And hooptiously drangle me with crinkly bindlewurdles, Or I will rend thee in the gobberwarts with
    my blurglecruncheon, see if I don't!

    Smoke comin' out of your spell-checker, Rick?

    Bill "pic needs a little yellow-greenish slime for full effect" S.

  6. Andrew Webster said:

    I had a substantial tyre failure today - see pictures. Ended up with a large bit of tread missing
    and a gash right through the cords.

    Quoted message said:

    see pictures at:

    Quoted message said:

    webstersabingdon.plus.comtyres

    Quoted message said:

    I ended up with a large egg in the tyre with a distinct lump on each rotation.

    Quoted message said:

    The point of this is that I was only saved from a blowout by the Mr Tuffy tyre liner inside acting
    as a tyre boot. This is a benefit of tyre liners beyond the prevention of punctures from "just
    penetrating" objects that is sometimes missed.

    Just the same, the rubber was cut and that indicates a sharp object, whether that was a chipped rock
    or a piece of metal/glass. If the rubber were not broken, then it would indicate a poor tire casing.

    The ess bend in the casing occurs because only one ply remained in tact and being at 45 degrees, the
    other axis stretches and causes a bulge. Notice that the blue tire is cracking from aging that
    colored tires do better than carbon black ones.

    Jobst Brandt [email hidden]

  7. Thanks for the comments chaps - sorry about the double posting, but the first effort reported an
    error (honest), must be those pesky aliens you talked about.

    Andrew Webster

  8. may have said:

    Notice that the blue tire is cracking from aging that colored tires do better than carbon
    black ones.

    The next time I acquire a suitable example, I'll take a few photos of gumwall tires on older bikes
    where the black tread is intact but the unpigmented sidewalls have completely deteriorated. I
    usually see this on bikes in thrift stores at least once per month. Bl;ack is the appropriate color
    for a tire for a good reason, as you allude above.

    --
    My email address is antispammed; pull WEEDS if replying via e-mail. Yes, I have a killfile. If I
    don't respond to something, it's also possible that I'm busy. Words processed in a facility that
    contains nuts.

  9. Werehatrack Rault said:
    Quoted message said:

    Notice that the blue tire is cracking from aging that colored tires do better than carbon
    black ones.

    Quoted message said:

    The next time I acquire a suitable example, I'll take a few photos of gumwall tires on older bikes
    where the black tread is intact but the unpigmented sidewalls have completely deteriorated. I
    usually see this on bikes in thrift stores at least once per month. Black is the appropriate color
    for a tire for a good reason, as you allude above.

    Latex rubber, unfilled or blended is worse than blue coloring against the weathering. I think you
    probably know that from reading endless defenses of tubulars and aging of such tires for better
    performance.

    See the FAQ on that at:

    draco.acs.uci.eduindex.html

    under the heading: 8b Tech Tires

    Jobst Brandt [email hidden]

  10. Josh Gatts said:

    "Rick Onanian" <[email hidden]> wrote in message

    Quoted message said:

    You better hope he doesn't contact any Vogons... Oh freddled gruntbuggly thy micturations
    are to me

    Another g. daniels tribute? --Josh (removing exhausted Babel fish from ear and placing in satchel)

    From your sig, I expect that you would have recognized that poetry, unless your Babel fish reference
    is to babelfish.altavista.com...
    --
    Rick Onanian

  11. Rick Onanian said:
    Josh Gatts said:

    "Rick Onanian" <[email hidden]> wrote in message

    Quoted message said:

    You better hope he doesn't contact any Vogons... Oh freddled gruntbuggly thy micturations
    are to me

    Another g. daniels tribute? --Josh (removing exhausted Babel fish from ear and placing in
    satchel)

    From your sig, I expect that you would have recognized that poetry, unless your Babel fish
    reference is to babelfish.altavista.com...

    Yes, I know Vogon poetry when I see it.

    Does anyone make an Infinite Improbability Drive unit compact enough for my bike? I'd power it with
    a hub generator and a water bottle full of hot tea.

    --Josh

  12. [email hidden] wrote in message news:<[email hidden]>...

    Quoted message said:

    See the FAQ on that at:

    draco.acs.uci.eduindex.html

    under the heading: 8b Tech Tires

    Thanks for the link Jobst.

    An 8b.18 excerpt: 'tubular tires bought in advance should be sealed tightly in airtight bags and
    kept in the dark, optimally in a freezer.'

    Got a chuckle out of that one when I thought about what the Mrs would have to say about it.

    Greg Hall

  13. Greg Hall said:
    Quoted message said:

    See the FAQ on that at:

    Quoted message said:
    Quoted message said:

    draco.acs.uci.eduindex.html

    Quoted message said:
    Quoted message said:

    under the heading: 8b Tech Tires

    Quoted message said:

    Thanks for the link Jobst.

    Quoted message said:

    An 8b.18 excerpt: 'tubular tires bought in advance should be sealed tightly in airtight bags and
    kept in the dark, optimally in a freezer.'

    Quoted message said:

    Got a chuckle out of that one when I thought about what the Mrs would have to say about it.

    I keep my stash of gum brake lever hoods and REMA 100cnt patch boxes in my freezer. I don't mind
    giving up a corner of the freezer.

    Jobst Brandt [email hidden]

  14. Josh Gatts said:

    Does anyone make an Infinite Improbability Drive unit compact enough for my bike? I'd power it with
    a hub generator and a water bottle full of hot tea.

    You can't get hot tea on an Infinite Improbability Driven vehicle!

    The closest you can get is a drink that is almost, but not quite, entirely unlike tea.

    Quoted message said:

    --Josh


    --
    Rick Onanian

  15. [email hidden] wrote:
    : I keep my stash of gum brake lever hoods and REMA 100cnt patch boxes in my freezer. I don't mind
    : giving up a corner of the freezer.

    late night snacking (or egads, the post-"frisbee" munchies) are always an adventure at the brandt
    residence.
    --
    david reuteler [email hidden]

  16. I also read 8b.18, the last paragraph: "For best results, use new tires because aged tires are only
    as good as how little they have aged."

    My question doesn't apply to tires, but Rema patches. I had some Rema patches that have been laying
    around for about 10 years. They were still in the original green box. I tried to use them with a new
    tube of glue, but couldn't get them to adhere, they peeled up. I bought some new Rema patches, used
    the same glue and they work fine. Can patches go bad? btw, I don't freeze my Rema patches. -tom

    <[email hidden]> wrote in message "]news:[email hidden]...

    Quoted message said:
    Greg Hall said:
    Quoted message said:

    See the FAQ on that at:

    Quoted message said:
    Quoted message said:

    draco.acs.uci.eduindex.html

    Quoted message said:
    Quoted message said:

    under the heading: 8b Tech Tires

    Quoted message said:

    Thanks for the link Jobst.

    Quoted message said:

    An 8b.18 excerpt: 'tubular tires bought in advance should be sealed tightly in airtight bags and
    kept in the dark, optimally in a freezer.'

    Quoted message said:

    Got a chuckle out of that one when I thought about what the Mrs would have to say about it.

    I keep my stash of gum brake lever hoods and REMA 100cnt patch boxes in my freezer. I don't mind
    giving up a corner of the freezer.

    Jobst Brandt [email hidden]

  17. Tom Nakashima said:
    Quoted message said:
    Quoted message said:

    > See the FAQ on that at: draco.acs.uci.eduindex.html under the heading: 8b
    > Tech Tires

    Quoted message said:
    Quoted message said:
    Quoted message said:

    Thanks for the link Jobst.

    Quoted message said:
    Quoted message said:
    Quoted message said:

    An 8b.18 excerpt: 'tubular tires bought in advance should be sealed tightly in airtight bags and
    kept in the dark, optimally in a freezer.'

    Quoted message said:
    Quoted message said:
    Quoted message said:

    Got a chuckle out of that one when I thought about what the Mrs would have to say about it.

    Quoted message said:
    Quoted message said:

    I keep my stash of gum brake lever hoods and REMA 100cnt patch boxes in my freezer. I don't mind
    giving up a corner of the freezer.

    Quoted message said:

    I also read 8b.18, the last paragraph: "For best results, use new tires because aged tires are
    only as good as how little they have aged."

    Quoted message said:

    My question doesn't apply to tires, but Rema patches. I had some Rema patches that have been
    laying around for about 10 years. They were still in the original green box. I tried to use them
    with a new tube of glue, but couldn't get them to adhere, they peeled up. I bought some new Rema
    patches, used the same glue and they work fine. Can patches go bad?

    Of course the can. That is why they are packaged with metal foil to protect the active surface from
    evaporating and oxidizing. With time, the active area, the reddish rubber, diffuses its life out the
    back of the patch that is not protected by much more than a micro layer of cellophane.

    Quoted message said:

    btw, I don't freeze my Rema patches.

    Neither would I, but two boxed of 100 patches is a bit much to let spoil over years that they would
    wait before getting their turn. These were given to me by a generous sort whom I had helped with
    tires and wheels. It was a nice gesture. I'm just starting on the first box now after a couple of
    years on ice. I already had a 100 box of patches when they were given to me.

    On the other hand I'm sure these patches were not "laying" (eggs) but were lying there in a similar
    manner to most other inanimate objects.

    Jobst Brandt [email hidden]

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