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AC tyre contact point

Discussion in 'Chit Chat Room' started by Cote Dazur, Jul 20, 2019.

  1. Cote Dazur

    Cote Dazur Alien

    As I was reading the news on the new 5 contact point tire model for ACC, the main purpose of this change seem to be to get a better, more realistic, tire reaction over the curb.
    In the post, I could see that AC, also as 1 point tire contact, as ACC had so far, but, to my knowledge, AC does not have the same issue of over sensibility over curbs as ACC does.
    I would like to understand why?

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  3. PhilS13

    PhilS13 Alien

    For the rail effect issue, ACC introduced lateral flex of that contact point. When the point got stuck inside a crack, when trying to get out of it you are first building lateral flex and then it snaps out violently. In AC you were falling down cracks the same but you got out of them instantly making it less an issue.

    The inside kerb pull is not as easy to blame on lateral flex alone. More likely a combination of many changes. ACC tyres being different in cornering stiffnes, camber stiffness, vertical rate etc... could all contribute to making things worse in ACC.
    Cote Dazur likes this.
  4. Winston

    Winston Hardcore Simmer

    I thought the implication from the blog was that for AC even though a track is lazer scaned they reprofiled any offending curbs whereas with ACC a truely authentic track profile including curbs was a priority and non negotiable.
    romandevision likes this.
  5. rycil

    rycil Simracer

    As far as I can remember, they lowered the curbs of Mugello. That was during the kerb of death episode.
  6. Do not. They did not do that. They updated the physics.

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