The REIZA DLC.....

Discussion in 'General Discussion' started by Dady Cairo, Oct 11, 2018.

  1. DaVeX

    DaVeX Registered

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    Confirmed to beta-testers on private forum, S397 provided them the tyres models with the "final" word on it...
     
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  2. Will Mazeo

    Will Mazeo Registered

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    My question is: if you dont notice the difference... does it matter it this is the v2? Do people just feel better if devs say it's updated? lol
     
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  3. TOCA2FREAK

    TOCA2FREAK Registered

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    Posted on Reiza forums here.
     
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  4. avenger82

    avenger82 Registered

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    Thanks, that's good news. Where did you get that info, if I may ask?
     
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  5. doddynco

    doddynco Registered

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    The 'pre v2' tyre model is fine - Rfactor 2 still had the best physics before the update by a mile. It's extemely subtle - nothing really changed from the players perspective but the way people on this forum go on about it is like s397 implemented rubber because they realised the tyres were made of cheese.

    Also, there are loads of amazing cars which still use tyres from before that update - I was driving the Megane yesterday (one of the excellent older cars) and I didn't oversteer into a wall somehow. It still feels absolutely stunning.

    I see people complementing the gt3's like rfactor never felt this good... it was always like this, it's just now the cars are shiny.
     
  6. tpw

    tpw Registered

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    Some of the subtlety of the new tyre model is lost on me I'm sure, but tyres not rapidly (over)heating if you get in the grass was certainly a welcome development.
     
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  7. Lazza

    Lazza Registered

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    @tpw I don't think those parameters are reliant on the newer model.
     
  8. Martin Dyrlund

    Martin Dyrlund Registered

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    They just need to fix that a slip angle of 15 degrees is OK and is just as fast as driving realistic with slip angles of 7-8ish.
     
  9. LokiD

    LokiD Registered

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    If it wasnt for the merc I would say i nOtice the new models nuances. But to me that and the srx feels like the old " too light at slip angle" model. And it's not down to steering geometry or weight as these two couldn't be more far apart yet feel the same.


    But that's just my opinion I prefer the newer cars, but your mileage may vary.
     
    Last edited: Apr 11, 2019
  10. tpw

    tpw Registered

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    I’m sure you’re right mate, but as long as none of the new cars’ tyres don’t melt on the grass, that’s enough for me!
     
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  11. doddynco

    doddynco Registered

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    You have no way of knowing the difference unless you have the exact same car/setup with both v1 and v2 tyres.

    The fact that you think the Merc, with the new model, has the same problem as the old model, answers your question - the 'feeling' you are having is absolutely nothing to do with the tyres.

    You should perhaps make a bug report to S397 saying 'different cars feel different'
     
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  12. avenger82

    avenger82 Registered

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    According to Michale Borda blog QSA fix was biggest change since introduction of CPM. IIRC difference was that at high speeds Radical used to slide more.
    Regarding Merc GT3 I also think light FFB on high slip angles is not because of new tire model.
     
  13. LokiD

    LokiD Registered

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    I can feel the difference. Not with exact same car but just similar classed cars Like isi old gt cars which didn't feel like a real steering rack at all. Compared to the new gt cars. Which tyres feel like rubber and not wood. But its possibly more down to an evolution in the whole cars physics rather than just the tyre. But I'm happy for the evolution and I can't go back.

    Most of the gt cars are similar in feel you can't say they don't. But the broken merc which doesn't feel like any of the other 10 or so gt cars.

    But I really cba with this pointless debate. Been there done that and massively off topic.
    So....

    Good luck
     
    Last edited: Apr 11, 2019
  14. mantasisg

    mantasisg Registered

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    Last edited: Apr 11, 2019
  15. Lazza

    Lazza Registered

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    You can't reasonably think that tpw is arguing for zero friction. Surely you don't think a tyre sliding on clover will heat as much as a tyre sliding on concrete?

    Question is, how does generated heat compare to coefficient of friction and other surface characteristics? The new surface parameters suggest grass does a LOT less heating.
     
  16. mantasisg

    mantasisg Registered

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    Yes, but there is still heating, just at different rate. Thats what I thought, I thought that it is realistic to melt tires on grass too, it will just take more time for it to happen, I think.

    But I don't have any idea if there is something wrong with heating on grass in rF2, I don't use grass very much :D
     
  17. tpw

    tpw Registered

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    The fact that none of the new cars overheat on grass and a substantial number of old cars do, might suggest that the devs were aware of it as an issue and corrected it. I'm not on this forum to argue for the sake of arguing.
     
  18. John R Denman

    John R Denman Registered

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    Heat from sliding on grass does occur but not as rapidly as pavement. As surface temps reach about 170° (not carcass temps) depending on the humidity the water in the grass begins to evaporate. Phase change of water to steam (or evaporate) consumes 1700x the heat so the delta T of the tire is severely reduced starting about 170° F; by 212° tires on fresh grass reach a stage of "entropy" where they simply cannot generate enough heat to exceed that temp.
     
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  19. Lazza

    Lazza Registered

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    @John R Denman the parameters regarding heating from various surfaces are in the real-time section and not related to the QSA adjustment made. I suspect they would even work with the previous model. Not sure if you meant to reply to a model related statement tbh.

    You raise an interesting point, which is that some parameters would appear to benefit from lookup tables instead of defined curves.
     
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  20. mantasisg

    mantasisg Registered

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    The subject is very interesting.

    @John R Denman Those are interesting figures. Is the grass moisture effect independent to speed ? For example if car would slide through field of grass at 100 km per hour speed, would it still give away as much heat energy for grass surface ?

    I am sorry. I did not know you prefer not to discuss things on this forum.
     

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