Just noticed that the FWD cars are much more realistic than the RWD ones.

Discussion in 'Automobilista 2 - General Discussion' started by SlowPoke80, Jul 16, 2021.

  1. SlowPoke80

    SlowPoke80 Active Member

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    This sim's really poor when it comes to RWD cars on radials, but the FWD cars seem to be roughly on par with similar ones in AC. Why?
     
  2. oez

    oez Mayor of Long Beach AMS2 Club Member

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    Why do you think that all RWDs on radials are poor?
     
    Last edited: Jul 16, 2021
  3. SlowPoke80

    SlowPoke80 Active Member

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    They have arcade handling. You can stomp the throttle on an 800+ horsepower F1 car, and it won't spin.

    FWD cars understeer on throttle, so that's not an issue in the game. The game also simulates the off-throttle oversteer FWD cars can have. If you turn hard without a bit of throttle, most of the cars will want to slide. The modern Mini is the exception, but that's just because of the differential settings.
     
  4. Koen_Sch

    Koen_Sch Active Member

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    Genuine question, is this a troll thread?
     
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  5. oez

    oez Mayor of Long Beach AMS2 Club Member

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    Ok, this was just a big discussion on the update thread, but probably easy to miss since it's mixed in with other stuff.

    This applies to RWD as well. The default differential settings suck for oversteer in many RWD cars right now. It's difficult to spin a car with too much throttle if it gets one tire fire. You can manage to do it other ways though if you get rear grip near its limit. Default differential settings and setups in general are definitely something that should be improved.

    Just look at the diff settings in various cars. You'll find things like 2 clutches and 78 power ramp. It doesn't really matter how much lock the diff is applying when in many cases there should be 6 to 10 clutches turning pressure into locking. It's hard to compare, but I would guesstimate that this is like having 5% power lock in AC.

    Typical 1.5 way diff has 60 power and 45 coast too. So even if default setups had more clutches, the power ramp value can be very open in many cases.

    Rear suspensions are also very soft in many cases relative to the front. AFAIK that also has an affect on how the differential ends up responding with even more lock - at the very least it affects the car's balance in general when cornering.

    @CrimsonEminence confirmed in the update thread that some tires' longitudinal grip is going to be reviewed. That could also have a small effect with correct diff settings (I doubt any tire grip change will make a difference with the default setup).

    Final factor: compare diff response to throttle out of the pits and after four laps of hard driving. Preferably rear tire temps near or above 90C. There's something to be discussed/critiqued here specifically. Fresh warm tires are so very grippy with GT3 and GTE for instance. Another thing that seems suspect, but then again that is the expected dynamic with soft slicks so who knows. Anyway you can add preload (like 200Nm in GT3... it's hard to say), 8 clutches and decrease power ramp (=more power lock) to 45 to get the fresh tires to lose grip, but then you might have too much for worn tires. Or just add 8 clutches and 500Nm preload if you want to test with a completely bonkers diff.

    I would say that there's your answer, but it it doesn't apply to every car. But maybe you didn't actually mean every RWD car with radials.

    As for "arcade handling", because of default setups and fresh tire grip: I dunno about that. You could also say that setups and fresh tires make a difference as expected. You be the judge :).

    By the way, at least before you could induce liftoff oversteer in the JCW Mini by increasing rear tire pressure. Not sure how it is now, cause I don't like to drive that car.
     
    Last edited: Jul 16, 2021
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  6. Haris1977

    Haris1977 Active Member

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    Dont know if it is only a tyre issue or not but I really hope that Reiza will also look at the bt46b car. As the car stands now, it is way too oversteery (than the other 2 cars in the same class).

    The problem is not only the oversteer but the way it happens (very quickly and sudden)
     
  7. azaris

    azaris Well-Known Member AMS2 Club Member

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    The FV10G2 has more than 800 hp and spins very easily on throttle once you turn off TC:

     
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  8. SlowPoke80

    SlowPoke80 Active Member

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    Spun from almost a standstill. Myth busted indeed. :rolleyes:
     
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  9. Sunscreen

    Sunscreen Active Member

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    Now go and do it with that blasted McLaren GT3 :whistle:
    I know he only mentions the F1 which I personally have never had an issue with stuffing into the wall post spin.. but Im concerned less one post be deemed a universal refutation of an issue that is obvious on that car.
     
  10. azaris

    azaris Well-Known Member AMS2 Club Member

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    Does not have 800+ hp.
     
  11. Sunscreen

    Sunscreen Active Member

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    Indeed it does not. Your point being..?
     
  12. azaris

    azaris Well-Known Member AMS2 Club Member

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    That the nonsense claim that 800 hp+ cars cannot be spun on throttle. The McLaren has been discussed to death elsewhere.
     
    Last edited: Jul 18, 2021
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  13. Koen_Sch

    Koen_Sch Active Member

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    Ok, let's approach this from a different direction.

    The reason why I thought this was a troll thread was because of the vague description of the issue.

    So maybe you could elaborate a bit more on the specific thing you have an issue with. This will likely result in more useful/helpful feedback, for both you, Reiza and us (the other forum dwellers).

    You state that the RWD cars do not behave similar to AC. What does AC, that AMS2 does not, or vise versa?
     
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  14. CrimsonEminence

    CrimsonEminence Custom Title Staff Member AMS2 Club Member

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    Yes, this myth is definetly busted. It's spinning from standstill. The F-V10 hasn't any longitudinal slip issues, that justify it to be named "arcade".
    Look at this arcade throttle application in real life:

    You will probably now find something else, to provide sticking with the narrative of arcade physics (really, i played so many arcade racer, how could you possibly compare this? Genuine question), of course, but things are not as simple as you might think.
    If you actually want to discuss it without name calling and generalizations, i agree with @Koen_Sch , that there are lots of details to elaborate on. :)
    spun.jpg
    It's definetly harder to do (also indicates one or another quirk, not gonna argue with it, the car also has lots of inner tire wheelspin, so there are some indicators besides other not so clear ones at first glance :) )...it's still possible to spin, tho.

    Some issues (as worth as they are to be looked into) are blown out of proportion in my opinion...
     
    Last edited: Jul 18, 2021
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  15. SlowPoke80

    SlowPoke80 Active Member

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    **** you, cunt.
     
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  16. CrimsonEminence

    CrimsonEminence Custom Title Staff Member AMS2 Club Member

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    How about both of you guys editing the insults out and no-one ever saw a thing? (please?) :whistle:
     
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  17. 2ndLastJedi

    2ndLastJedi Free speech matters AMS2 Club Member

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    :whistle:
     

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  18. Koen_Sch

    Koen_Sch Active Member

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    Ah.
    So it is a troll thread after all.
    Good to know.
     
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  19. Sunscreen

    Sunscreen Active Member

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    The whole forum is getting toxic.. must be the weather. As regards my own sometimes inappropriate hijacking of threads, hopefully people can just gently meme me from now on whenever I mention the M word :p
     
    Last edited: Jul 18, 2021
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  20. Dean Ogurek

    Dean Ogurek "Love the Simulation You're Dreaming In." AMS2 Club Member

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    There, fixed it for you. :p:D
     
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