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Do you ever wonder about tires?

Discussion in 'Off Topic' started by disconnected, Oct 10, 2018.

  1. disconnected

    disconnected Well-Known Member V.I.P Member

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    Think about new tires for your vehicle, bus, truck or whatever. The full treads are pretty deep. When they are worn out where did the missing material go? Does the worn rubber lay on the road to get washed off by rain into the waterways? It goes somewhere?!
     
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  2. Bolletje

    Bolletje Potato chip wizard

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    They get tired.

    Sorry, I’ll show myself out :rolleyes:.
     
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  3. Tom

    Tom Well-Known Member

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    Yes. It goes into the air as particles, into the ground, the water, and ultimately into you.
     
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  4. disconnected

    disconnected Well-Known Member V.I.P Member

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    Made me laugh! ;)
     
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  5. Judge

    Judge Well-Known Member

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    The rubber gnomes come in the middle of the night and steal it for all those prophylactics they make.
     
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  6. Bolletje

    Bolletje Potato chip wizard

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    I am now picturing roving gangs of miniture leather daddies with pointy hats roaming the streets at night to pilfer bits of your tires.
    Thank you for putting that image in my mind.
     
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  7. Judge

    Judge Well-Known Member

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    De nada. :p

    Nothing like some rubber to put a spring in one's step.
     
    Last edited: Oct 10, 2018
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  8. Pats

    Pats Well-Known Member V.I.P Member

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    Interesting question. :) Rubber erasers leave little bits of itself that you blow away, so I would guess maybe the rubber particles gets blown away by the breeze created from the speed of the vehicle, building up along side the road - Maybe that's where the rubber cones come from?
     
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  9. Mia

    Mia Well-Known Member V.I.P Member

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    I do now. Just read two research papers on how rubber breaks down in the environment. With a 'shelf' life of fifty to eighty years as bacteria and enzymes do their work.
     
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  10. FreeDiver

    FreeDiver How long can you hold your breath? V.I.P Member

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    The asphalt piranhas just nibble away slowly at your tires.
     
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  11. Nitro

    Nitro Admin/Immoral Turpitude Staff Member Admin V.I.P Member

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    I turned way more than my share of them directly into smoke :p
     
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  12. Rayner

    Rayner Well-Known Member V.I.P Member

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    Yeah. I wonder why they are so expensive.
     
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  13. MrSpock

    MrSpock Live long and prosper

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    It's not so easy to see with normal tyres, ones meant for the average person to get from A to B in a practical way. Tyres made for racing can be much softer, these tyres will not last so long but they grip the road much better. If you're really curious, try watching some Formula One races, they will wear out sets of tyres rather quickly and in a relatively small area, so you really get to see it happening.

    Tyres will 'grain', the surface appears different (and it's easy to see because they're slicks, not treaded) if they're over-stressed, and little bits come off much like a pencil eraser or rubber. The bits collect beside the racing line, and are easily visible, they're sometimes referred to as 'marbles', and are collectively called clag. They're a hazard, and will cause the car to lose good contact with the track surface.

    Weight is a big factor in F1 racing, the cars must weigh a certain amount, and building a car that is below the weight specifications is cheating. Cars are often weighed after the race, and to make sure that the cars are not underweight the drivers will often intentionally drive off the racing line to pick up clag on their tyres, thus adding a bit of weight after racing and immediately before parking and potentially being weighed. If you look at the tyres after the race, before the award ceremony you'll see obvious lumps of rubber stuck to them.

    If the track has not been used lately it will change colour during the race. The racing line will become rubberized and darkened, and grip in those areas is increased during the race weekend. Drivers will (sometimes, occasionally) intentionally lay rubber by their pits and where they start the race from to get that little bit of extra grip when they start off.

    Here's a picture of extreme clag, you could watch many races and not see this much of a buildup... clag F1 15530.jpg
     
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  14. OkRad

    OkRad Well-Known Member V.I.P Member

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    No, don't leave! The party is just getting started! :)
     
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  15. Nitro

    Nitro Admin/Immoral Turpitude Staff Member Admin V.I.P Member

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  16. FreeDiver

    FreeDiver How long can you hold your breath? V.I.P Member

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    But people are gonna get tyred of this thread and want to move on.
     
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  17. Pats

    Pats Well-Known Member V.I.P Member

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    Yes - I deliberately clicked optimistic. lol
     
  18. On the Inside

    On the Inside Well-Known Member

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    I have long had a fascination with tread wear. Especially when I used to ride a road bike.

    With every revolution, particles of your tires are released, onto the road, into the air.
     
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  19. Mia

    Mia Well-Known Member V.I.P Member

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    Rubber- the story of a killer tire in the desert.

     
    Last edited: Oct 11, 2018
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  20. Sherlock77

    Sherlock77 Well-Known Member V.I.P Member

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    Don't even ask me about tires right now... :( That story in a different topic...
     
    Last edited: Oct 10, 2018
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