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Thread: Tyre pattern tread

  1. #1
    Ext User(felix_unger) Guest

    Tyre pattern tread


    Saw this tyre on an Audi, and wondered about the wiggly line on the
    second outside tread. never seen anything like it before. must have some
    special purpose, of course.

    http://ausnet.info/tyre_tread.jpg

    --
    rgds,

    Pete
    -------
    "Right now you're the youngest you'll ever be, and the oldest you've ever been,
    so make the most of what time remains"


  2. #2
    Ext User() Guest

    Re: Tyre pattern tread

    On Wed, 02 Oct 2013 16:19:15 +1000, felix_unger <me@nothere.com>
    wrote:

    >
    >Saw this tyre on an Audi, and wondered about the wiggly line on the
    >second outside tread. never seen anything like it before. must have some
    >special purpose, of course.
    >
    >http://ausnet.info/tyre_tread.jpg



    Crazy things are done to treads often to reduce harmonics..this is
    possibly one.




    OzOne of the three twins

    I welcome you to Crackerbox Palace.

  3. #3
    Ext User(atec77) Guest

    Re: Tyre pattern tread

    On 2/10/2013 4:19 PM, felix_unger wrote:
    >
    > Saw this tyre on an Audi, and wondered about the wiggly line on the
    > second outside tread. never seen anything like it before. must have some
    > special purpose, of course.
    >
    > http://ausnet.info/tyre_tread.jpg
    >

    some sort of sipe ?

    --









    X-No-Archive: Yes


  4. #4
    Ext User(John_H) Guest

    Re: Tyre pattern tread

    felix_unger wrote:
    >
    >Saw this tyre on an Audi, and wondered about the wiggly line on the
    >second outside tread. never seen anything like it before. must have some
    >special purpose, of course.
    >
    >http://ausnet.info/tyre_tread.jpg


    Apart from appearances it probably does nothing. Assymetric treads
    rely on the inner part to displace water and the outer part to provide
    lateral grip on dry bitumen, to which grooves contribute very little.

    Haven't seen that one before, did you notice the brand?

    Nice photo BTW. :)

    --
    John H

  5. #5
    Ext User(felix_unger) Guest

    Re: Tyre pattern tread

    On 03-October-2013 5:55 AM, John_H wrote:

    > felix_unger wrote:
    >> Saw this tyre on an Audi, and wondered about the wiggly line on the
    >> second outside tread. never seen anything like it before. must have some
    >> special purpose, of course.
    >>
    >> http://ausnet.info/tyre_tread.jpg

    > Apart from appearances it probably does nothing. Assymetric treads
    > rely on the inner part to displace water and the outer part to provide
    > lateral grip on dry bitumen, to which grooves contribute very little.


    Would you recommend assymetric treads over symmetrical?

    >
    > Haven't seen that one before, did you notice the brand?


    no I didn't but I may see that car again, and I'll take note

    >
    > Nice photo BTW. :)
    >


    thanks. (HTC OneX and cropped)

    --
    rgds,

    Pete
    -------
    "Right now you're the youngest you'll ever be, and the oldest you've ever been, so make the most of what time remains"


  6. #6
    Ext User(John_H) Guest

    Re: Tyre pattern tread

    felix_unger wrote:
    >
    >Would you recommend assymetric treads over symmetrical?


    Those I've had have all been pretty decent tyres, which is probably
    because the manufacturers only tend to use them on their premium
    lines. Any difference in performance that's down solely to the
    asymmetric tread pattern would probably be hard to pick but at least
    there's no disadvantages I'm aware of.

    --
    John H

  7. #7
    Ext User(Jason James) Guest

    Re: Tyre pattern tread

    On Wednesday, October 2, 2013 4:29:03 PM UTC+10, Oz...@Crackerbox-Palace.com wrote:

    >
    > Crazy things are done to treads often to reduce harmonics..this is
    >
    > possibly one.


    That's what I have been told also. It's why they vary the pitch of some treads.

    Jason


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