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ACC general support Note about silent updates Startup troubleshooting ACC savegame reports

Driving in FormulaAbarth

Discussion in 'Chit Chat Room' started by Gray Fox, Nov 10, 2013.

Page 3 of 9
  1. -OcraM-

    -OcraM- Rookie

    Please do so we can put this one to bed, along with a video :p
     
    -OcraM-, Nov 12, 2013
    #41
  2. Radek Zukowski

    Radek Zukowski Racer

    Why not, can you attach it to post?

    @Rui
    It doesn't need Senna to mash the throttle mid corner to provoke oversteer, geez.
     
    Radek Zukowski, Nov 12, 2013
    #42
  3. Radek Zukowski

    Radek Zukowski Racer

    OK guys. It turns out that I'm an idiot. Last time I drove F Abarth I must have had some helps turned on. I checked it again a few moments ago (I changed diff power to 90%) and it slides and drifts at Magione.
    I'm sorry to you all. Next time I'll double check before I post something stupid.
     
    Radek Zukowski, Nov 12, 2013
    #43
    Chevalier D'Harmental, Rui Santos, Roberto Olivetti and 1 other person like this.
  4. David Dominguez

    David Dominguez Alien

    Don't worry Radek. Anyway, meanwhile I have uploaded this video (sadly AC doesn't save full replays, I had some big powerslide at Vallelunga...)

     
    David Dominguez, Nov 12, 2013
    #44
    Chevalier D'Harmental and Avoletta like this.
  5. Avoletta

    Avoletta Simracer

    Impressive driving David!
    BTW, can someone explain this tire curve?[​IMG]
     
    Avoletta, Nov 12, 2013
    #45
  6. David Dominguez

    David Dominguez Alien

    I think only Stefano or Aris can give you a reply here :p
     
    David Dominguez, Nov 12, 2013
    #46
  7. Gray Fox

    Gray Fox Gamer

    It seems that everything is right in the sim, behavior youtube videos looks like the simulator. There's just a different video, but may be due to many factors.
     
    Gray Fox, Nov 12, 2013
    #47
  8. Aristotelis

    Aristotelis Will it drift? Staff Member KS Dev Team

    This dev app shows the dynamic tyre curve as it is generated real time by the sim. It depends on a hell load of factors, like slipangle, ratio, temperatures, load, wear, velocity, flex, humidity, horoscope, big bang radiation, solar hot spots and nasdaq gains or loses... we're actively working on including apple rumors and google android version name prediction too...

    seriously this is not a static curve and that's why sometimes when the car is moving you get "non typical" graphs.
    There's a reason the dev apps are not enabled normally :D
     
    Aristotelis, Nov 13, 2013
    #48
    mclarenf1papa, Chevalier D'Harmental, nijeat and 2 others like this.
  9. Patrick

    Patrick Rookie

    Hi guys.
    I have read quickly this thread but I have a question concerning this Formula behavior.
    In fact I have been thinking during few days that my wheel had clipping. But In fact now I realise that cars, and especially the Formula Abarth is doing quick skipping in turns. Did you notice that too? Is it a suspension problem? A tyre modele problem?
    Driving problem? Sure this appears much more if I come into a curve with too many speed but even at "normal" speed it can happens.
     
    Patrick, Nov 13, 2013
    #49
  10. ViruTypeR

    ViruTypeR Gamer

    Cold tires, ambient and track temperature, tire condition, setup... try to modify the rear Toe to negative, less aero, more pressure on rear tires, up the rear ARB... this car can have many grip or not, the setup is the key many times.
     
    ViruTypeR, Nov 13, 2013
    #50
  11. Patrick

    Patrick Rookie

    Ok, thank you Viru. Noticed on other cars so I will test this.
    In my mind cold tyres should give more sliding and not skipping but I will check this.
     
    Patrick, Nov 13, 2013
    #51
  12. ViruTypeR

    ViruTypeR Gamer

    Oh no Patrick, was a repy to the OP hehe, the skipping is normal with a formula that weights just half a tonne and rides on slicks and has stiff suspensions, but a soften dampers could help, up the car a bit and soften the dampers.
     
    ViruTypeR, Nov 13, 2013
    #52
  13. Marcel Pfister

    Marcel Pfister Simracer

    Maybe in the videis they drive with hard tyres at low temps. I changed to hard tires in AC and it slides a lot more, similar to this real live vids. Also i recognized that in AC the standard setups are all for safe behavior, you can make it faster and then it becomes more tricky to drive too. I like that way, because in rF2 i have to change the setup to just get a lap without driving on ice.
     
    Marcel Pfister, Nov 13, 2013
    #53
    Chevalier D'Harmental likes this.
  14. Avoletta

    Avoletta Simracer

    I know very well how tires work... that curve is not normal also considering the influence of stars position (maybe it depends on the spread respect to BUND). ;-)


    Sent from my iPhone using Tapatalk
     
    Avoletta, Nov 13, 2013
    #54
  15. Aristotelis

    Aristotelis Will it drift? Staff Member KS Dev Team

    You know how tyres work, but you didn't read my post, or probably trying to find something.
    As I said, this is not the normal curve that happens on the tyre, but depends on a lot of factors that won't necessarily happen to the tyre at that point that you're driving, as for example temperature related and/or wear.

    Also, permit me a note here, not trying to be arrogant or something so please forgive me. I'm not also pointing the finger to the OP or anybody else, but it is a more generic discussion that I'm sure if you think a little bit about it, you'll understand.

    It would be useful to everybody if people would take the time to scratch the surface and go a bit deeper. Driving such a complex simulator as AC for 10 minutes, 1 day or 2 days and screaming "this is not realistic, this is very realistic, too much grip, too low grip, too much this, too much the other" is really not enough. Using just the default setup on such complex cars is again not enough. Thinking something is wrong because it doesn't suit your driving style from other sims (steering lock, linearities, FF etc). Choosing just one video from hundreds online just to showcase something that you think is not real is again not enough without knowing the rest of the story.
    I could go on and on, but I'm already boring you, I know, I do this to myself too lol.

    We've been working 3 years to get up to this physics level. Is it perfect? of course not, probably after 4-5 years we will look at AC and think "how on earth did we drove that thing?" because everything gets better. But take your time to search more, try different compounds, different setups, see what others do. I though I could drift well (I can hihihi), and then I see other people drifting with AC and I'm speechless. If you can't do something, doesn't mean that others can't too.
     
    Aristotelis, Nov 13, 2013
    #55
    claudiopolez, recelebi, Chevalier D'Harmental and 12 others like this.
  16. Avoletta

    Avoletta Simracer

    I don't want to be arrogant, nor to deprecate your AMAZING work in realizing the best, most realistic (and by a strong margin) driving simulator in the market.
    BUT
    If you are trying to say that a tire force curve raising with slip after the first peak may happen in any temperature, load, environment condition... sorry, you have to be a lot more persuasive. ;-)




    Sent from my iPhone using Tapatalk
     
    Avoletta, Nov 13, 2013
    #56
  17. Tristan Cliffe

    Tristan Cliffe Simracer

    It could be that when the sim was "testing" that portion of the graph, the tyre was very unloaded, and so has a different 'peak' to when it had lots of load or temperature etc.

    It would help if you'd think about what he wrote before dismissing it.
     
    Tristan Cliffe, Nov 13, 2013
    #57
  18. Avoletta

    Avoletta Simracer

    The car was almost stationary when I took the photo, but the curve is almost the same in all conditions.

    The only big change in tire behaviour is speed dependent:
    [​IMG]

    On the left the friction curve below (approx) 108km/h ; on the right the friction curve above 108km/h. Please consider that this is a 'step' change, not a continuous one, and the transition speed (to my understanding) is not influenced by other parametes.

    Maybe those are just some bugs related to the tire app and not to the tire model ;)
     
    Avoletta, Nov 13, 2013
    #58
  19. David Dominguez

    David Dominguez Alien

    That curve should have the same shape more or less all the time, what's wrong with that? Load, camber, pressure etc will move that curve up and down, that's all. Maybe tire load can move the peak to the left to the right a bit, but that's all.
     
    David Dominguez, Nov 13, 2013
    #59
  20. Avoletta

    Avoletta Simracer

    Nothing.
     
    Avoletta, Nov 13, 2013
    #60
    David Dominguez likes this.
Page 3 of 9
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