Exploding Cars in Assetto Corsa

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The launch of Assetto Corsa on next-generation consoles is so close we can almost taste it, and with the bundle of new cars alongside the Red Bull Ring – dubbed The Red Pack – set to arrive on July 14th, you’d think the team at Kunos Simulazioni were able to iron out most of the bugs found within the insanely popular racing simulator. However, it appears a new week on the calendar has brought with us yet another hilarious issue within the simulator, one which rabid fanboys will obviously be desperate to cover up.

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On the PC, Assetto Corsa is pushed primarily as a sim racing modding platform, complete with unfinished heads up display elements to complete the look, and a decidedly open-source approach; the game said to be even easier to mod than the original rFactor, and a massive modding community promptly spawning thanks to how straight-forward editing physics files could be.

Built by the team at Radiator Springs Racing, the Dallara F312 was said to implement real data into the creation of the car within Assetto Corsa, and is held to be a shining example of what content creators can achieve with this new and exciting sim racing platform. Instead, as observed by our boy Associat0r, the car explodes when certain setup values – well within the realm of possibility on the real car – are implemented on the virtual version; a car which is said to be one of the most accurate third party cars available for Assetto Corsa. A vast array of open wheel race cars around the world rely on excessively stiff setups, and implementing a similar setup approach in the popular racing simulator by Kunos Simulazioni instead causes the car to explode into the stratosphere.

Assetto Corsa physics guru Edward Mallorqui notes that stiff suspension configurations have always been a challenge for the physics engine to properly simulate, once manifesting themselves in the infamous Curb of Death bug, but were dialed out by Kunos Simulazioni using fictional values to side-step issues caused by the engine itself when real values were implemented.

While Edward does use the final part of his post to take shots at Assetto Corsa, his claims are still legitimate: Assetto Corsa will see an increase in high profile open wheel race cars over the next year, with a Ferrari Formula One entry set to arrive in just a few days’ time, and sim racers are still managing to stumble into embarrassing bugs within the engine that can totally wreck an end user’s experience. If Kunos are having to use shortcuts to temporarily prevent these problems from happening, and issues with stiff suspension configurations are well-known to begin with, how can we be sure the bug will have been totally eradicated for the upcoming Ferrari Grand Prix rides? And if third party content can expose these bugs in such a prominent fashion, how can mod teams feel confident gathering real data for their creations and implementing it within Assetto Corsa if videos like the one above are the result? It’s all a bit of an ugly situation.

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Will The Red Pack ship with the same issues? We’ll have to wait until July 14th to learn if the problem has been solved.
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129 thoughts on “Exploding Cars in Assetto Corsa

  1. If this is going on what are the setup exploits? I have no faith in this broken product. I thought turn ten would have rectified this kind of thing by now.

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    1. When you enter real data to rFactor 2, it works like real life, it’s not the case for Assetto Corsa, you always have to use workarounds and substitute models 🙂

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      1. congratulations with your dead on arrival real data sim.

        I`d rather play something with workarounds that feels like driving a real car, then a game with real data that feels like driving in a vacuum….

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    1. The physics of Assetto Corsa are not of simulation value, when you compare it to the way a racing driver and racing team and even vehicle manufacturers can use rFactor and rFactor 2’s physics to develop their cars and their drivers in a way that provides accurate data which they can rely on to use at races.

      To give you an example. All our race team clients and even our series clients, they don’t only use rFactor for track familiarization. They also use it to test setup data before they go to an event, they use it to test potential new part data, by developing new brakes or new engine performances and testing it in the game before they actually commit to building it in real life. rF1 and rF2 provide far higher accuracy for those things than any other simulation on the market. When it comes to Assetto Corsa, their game is marketed for a set audience which covers the Semi-Arcade side. When I drive rF1 or rF2, I’m always in a serious state of mind, I can’t just go out on the track and run a few laps. It is too simulation based and I treat it as such. I work on my setups, I push to find every tenth I can throughout a lap. I analyze too much. When I play Assetto Corsa, I can easily go in, pick a car and track, chill back and drive When using my Xbox360 controller and not give a care. The physics seem very much like Forza Motorsport 5, a console game physics HOWEVER, Kunos has done a great job for the simcade fans, but cut down to the wire, rFactor 2’s physics engine is by far the most simulation based physics engine using real life aero and physical data that no other title has come close to.

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  2. Looks like detective Associator is at it again, and this time he’s right. I wouldn’t be surprised if this affects the upcoming DLC too.

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  3. Basically associat0r put to max all front and rear dampers. Poor formula3 car… James, is it realistic to make the setup that way? Because if you put to max force some of the dampers there’s no problem, only when you put all or almost all of them.

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      1. Yes. No proof so far that isn’t a simulator. And if you’re going to point me to physics flaws, every time they were properly documented, Kunos went to fix it. If all your documentation is “this is easy, this is simcade”, then it gets ignored pretty quickly as that’s zero contribution.

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      2. When you enter real data to rFactor 2, it works like real life, it’s not the case for Assetto Corsa, you always have to use workarounds and substitute models 🙂

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  4. So you really made an article about a year old 3rd party mod having a bug.

    James, why do you hate AC so much you have to sink to this level? You made good articles in a row and now this. Sad.

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    1. Probably because you can download old ass rFactor 2 mods from F1Classic, throw them into your updated rF2 install, and the car doesn’t get launched into the air.

      Not to mention the stiff suspension stuff AC has historically had trouble with, hasn’t been eradicated, and we’re about to get a DLC pack with two cars that are reliant upon Kunos fixing this stuff for good. If some pleb can make this stuff happen just by messing with setup values and driving the car three feet forward, what else is lurking underneath?

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      1. Can you make a comparison between some sims of how much force can all the dampers of a formula car sustain in the sims?
        But tell me, is it realistic to setup the rsr formula 3 for a race or qualy will all dampers to max? Does this problem affect anything at all in realistic conditions beside a test lab experiment with the setup?

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        1. Just remember that a “test lab” setup in R3E applied in the correct manner ended up producing a huge advantage and requiring Sector 3 to redo the Aero across basically the entire game.

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          1. But I don’t see how that applies to this situation. Say you get many dampers adjustment for the new F1 cars in AC, with high range force for stiffness. Is it realistic to turn them all to max and race that way?

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            1. Is it realistic to drop camber to zero in Project CARS? Nope, but it’s fast.

              You never know when this might come back to bite AC, and that’s why it’s important it gets completely eradicated – just like the curb of death.

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              1. Is it realistic to set a car’s weight to 0? no but you can mod that.

                It’s never a good idea to judge physics from mods, even if they’re “based on real data”

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                1. That’s true, but if the stiffness is set within the realm of reality the issue is still within the engine. If it’s set to a ridiculously ludicrous number that would actually launch a car that’s one thing, but if it’s well within reality and it’s causing issues… that’s a problem.

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                  1. I tried putting identical damper settings on another car and that one handled normally (albeit stupidly stiff)

                    I’m not sure why the F312 in particular has problems but there’s definitely some other setting involved, it’s not just the dampers.

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      2. Yes AC has had it’s share of bugs and errors but they seem to be ironing them out fast enough…

        It’s just funny how you completely ignore mclarenf1papa in the same thread talking how his mods work just fine. But that doesn’t fit your agenda of hatred now does it.

        You like to speak about making simracing better and more popular, but what good are articles like this for? You should think about your responsibilities. These kind of stories only scare newcomers and spread petty feuds, all for your click-hungry ego or something.

        Sure, keep the developers honest, that’s only good but for the love of racing-gods try to improve this scene, not destroy it.

        Liked by 1 person

  5. The physics of Assetto Corsa are not of simulation value, when you compare it to the way a racing driver and racing team and even vehicle manufacturers can use rFactor and rFactor 2’s physics to develop their cars and their drivers in a way that provides accurate data which they can rely on to use at races.

    To give you an example. All our race team clients and even our series clients, they don’t only use rFactor for track familiarization. They also use it to test setup data before they go to an event, they use it to test potential new part data, by developing new brakes or new engine performances and testing it in the game before they actually commit to building it in real life. rF1 and rF2 provide far higher accuracy for those things than any other simulation on the market. When it comes to Assetto Corsa, their game is marketed for a set audience which covers the Semi-Arcade side. When I drive rF1 or rF2, I’m always in a serious state of mind, I can’t just go out on the track and run a few laps. It is too simulation based and I treat it as such. I work on my setups, I push to find every tenth I can throughout a lap. I analyze too much. When I play Assetto Corsa, I can easily go in, pick a car and track, chill back and drive When using my Xbox360 controller and not give a care. The physics seem very much like Forza Motorsport 5, a console game physics HOWEVER, Kunos has done a great job for the simcade fans, but cut down to the wire, rFactor 2’s physics engine is by far the most simulation based physics engine using real life aero and physical data that no other title has come close to.

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    1. lol – yes the C9 or F40 are very easy to drive. I can eat a pizza while iam driving them. Its like Mario Kart

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  6. How bold can one be to even dare and bring up rF and rF2.
    Hardfly anybody plays rF and rF2 anymore, and there are no Racing Drivers and Teams that do use it nowayday. Maybe 10 years ago…
    Always the same dozen guys who keep bringing it up, most propably also the same guys that still play it online, enjoying the awesome 2005 graphics and the arcade physics engine.
    Lol, please tell me which racing team seriously is using rF2?
    The only thing these two games are still good for is for pointing the worst mods ever released to the world, and kids acting up wannabe professional serious creators of miserable content.

    To everone who has a clear mind and wants to evaluate rF2 for himself. Please just download
    it on steam, there is a free demo, and just play it. This game is just bad.
    If after trying out the demo, you do like it, get yourself a compy of project cars or any of the NFS titles, they have similar physics, but at least decent graphics

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  7. Lol, this problem was effecting exactly 1 “ONE” mod. Funny How all the official content and other mods did not exploit this “bug”.
    Some modders have created a car, the devs have not congratulated them and not offered jobs on the team, then they turned sour.
    PRC is the right place to vent…

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  8. Looks like the car spawns with the rear wheels intersecting the ground plane mesh. I’ve noticed that AC now spawns cars very differently than it used to, pay attention to how it slowly lowers the wheels and extends the suspension. It’s kinda strange/neat and seems to be very intentional.

    I kinda think the mod is fucked or simply unaware of the particulars of the workaround. Also, i suppose it would make sense if they did just fudge it, otherwise you risk throwing out a ton of work on the other vehicles that perform reasonably on the current suspension model.

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  9. So, AC seemingly has reached a state of perfection, that James feels urged to revert to a one year old 3rd party mod, since which the game has seen several major updates, to exploit a bug, that potentially only showcases a fault in the mod itself rather then in the game…

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  10. This was also posted in that thread. Shame the great and amazing PRC wasn’t around then to tear rF1 apart for being flawed.

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  11. Assetto Corsa: Good enough for current Formula One driver Rio Haryanto. Not good enough for keyboard racer and autistic shill extraordinaire Cleon “Associat0r” Waterberg.

    Oh no, ONE mod car that hasn’t been updated in SIX MONTHS breaks with a certain ILLOGICAL setup simply because the way the car SPAWNS has changed. Apparently an aggressive shill and some guy called Edward don’t like that. DOOM AND GLOOM WHAT IS LYING BENEATH THE SURFACE

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    1. So Kunos built a modding platform where if modders aren’t consistently unfucking their projects after each software update, they exhibit show stopping bugs just by playing with garage menu sliders?

      What a joke. So essentially if I go hunting for the best AC mods, I have a two week grace period where everything works until the next patch, then I have to manually keep track of what was broken by the new update and uninstall stuff accordingly.

      10/10 that sounds fantastic.

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      1. Show stopping bug? You’re mad if you’re seriously considering driving or racing an F3 with that kind of setup. Is just not in a realistic range, so it isn’t a show stopping bug.

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          1. How it’s show stopping if those unrealistic setups values aren’t used or not to mention that they are not even available in other cars?

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            1. Because in a product thats been on the market for 3 years, it should never be easy for an end user to click a few buttons and shoot a car into the sky.

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              1. Well it’s not fault of Kunos if modders release broken mods that have setup values that wouldn’t be even possible in real life.

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          2. You can actually put to max several of those sliders together. The problem only comes when you put all or almost all damper sliders to max for this car in specific, F312.

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      2. Yeah, depending on the patch itself. Ideally, you wouldn’t have to update your mod, but there have been too many post release low level changes for mods to stay at the same version.

        Realistically, the game would have had to have shipped 99.99% bug free and complete for mods to not break at least sometimes. Not possible, but they could have gotten closer and eased the pain a bit, as it is still kind of like modding for an early access title.

        I expect things will settled down a year or two after console release, though who knows what people will be doing or how much i’ll like the end product.

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  12. Big laughs, James is the best comedian of all time !!

    There is not a simulator that does not have bugs, all software has bugs. It also uses a mod to blame Assetto Corsa.

    Every day less serious discourse of this character.

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  13. Thanks for writing this article, this is a majorly big issue and shows that Assetto Corsa’s whole suspension model is completely broken.

    rFactor 2 has a much more advanced and more dynamic suspension model simulation than Assetto Corsa. It also has things like chassis flex, physical thermo-mechanical tire model with dynamic peak slip angles based on temperature, pressure and camber instead of being static. And don’t forget localized tire temperatures with physically based flatspots resulting in mass imbalances and some more.

    Have a majorly nice day.

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    1. Wow this is some major high tech nasa shit right there! Indeed much more advanced than the competing sims.

      Oh wait I forgot about the gearbox/drivetrain “model”.

      I guess some new laws of physics need to be discovered before we might see a working drivetrain model in Rf2. I really couldn’t care less about physical thermo stuff & mass imbalances when at the same time I can shift like a major noob or majorly abuse my gearbox without consequences.

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  14. Given that all physics simulations are just approximations, even in high end simulators used by racing teams. It is just a race between devs of who can fake it the least noticeably. This is especially true with the stand still or very low speeds as the longitudinal & lateral slip angles approach zero. It may make the whole simulation explode.

    Given that a physics simulation calculates forces applied and predicts what the outcome will be, with very stiff setups the result may be out of range and it tries to correct it, but it bounces back out of range again. This makes the car explode. It can be improved with force damping or other fake solutions, but there is always a drawback.

    This does not indicate the simulation value at all, it is just one case where it doesn’t work well as Kunos have not optimised for this. Severity of a bug is usually determined by how many people are affected. And given that this is an old mod WIP…

    AC is primarily racing simulator, with it’s own content and a modding platform only after that. I don’t think it is too much to ask for modders to keep within the reasonable bounds of what the platform supports. There is always an option to go mod for other platforms, but I have a suspicion that the users may be missing there.

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      1. James, what an utter utter silly and stuborn mentally ill person are you really?
        You bring up a faulty old mod, to showcase was propably isn’t even a bug, but some shabby mod using unrealistic setup values to begin with.

        1.) One mod has this problem
        2.) This was several months ago
        3.) It used unrealistic setup values
        4.) AC has seen multiple updates since then
        5.) The mod has propably never been updated
        6.) AC is beeing constantly evolved
        7.) If you have a problem with a mod, go to their forum, and ask, the devs help out personally

        You do not even come across smart.
        The more people come to tell you to the face what they think of you, the more you try to defend yourself, exploit your life and what you do for a living, how you get a hard on by winning simraces or beating locals at the track with what is not even your own smashed up trackcar.

        Please get back to some substantial journalism, wordpress makes it easy enough for everyone.
        I can do with your strong language, generalisation, and think my way around the logical mistakes in your articles, but you had some good points brought to attention in the recent blogs of yours.

        Like

          1. James that thread youre pointing at has it all, yet you think you can proove a point.
            Just read my list again, maybe it will sink eventually.
            But you got me there, a second mod with the same problem, yet the same issues as with the other mod arise. (hint-> old, not updated)
            Now do you have any sources to support your claim other then a thread at RD, the isle of the leprous, with those two most famous inhabitants?
            The only claim you can validly make, is that AC is continuously being updated and that this on occasion breaks some mods.
            Seeing what AC has become during the last two years, apart from you three clowns nobody gives a damn if some mod gets broken along the way, sacrificed for a better simulation.

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            1. I didn’t “get you”; the AC shill act of calling people leprous and mentally ill simply for finding shit wrong with the game is getting old. If the game truly was 99.99% bug free, this wouldn’t be needed.

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      2. it just proves the point, it the 6th feature on the list behind being a simulator, all the in-house content, gameplay stuff & hardware support.

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          1. That is exactly what rFactor 1 gave us – void. Stock content was useless and emphasis was put on user/modder created content. See the difference?

            AC is pushing their own content while not completely locking it down and allowing modders to add more stuff if you abide to their rules. All I am saying is – it is a feature, but not the primary one.

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  15. Well its a feature a very important feature though, you dont really seem to play AC or having modded it at all if you need to refer to associator to find a “BUG”, cause there always are sound problems on some mods when the AC base version is updated and guys like fonseker and others release audio fixes/mods by every AC update. So they support mod but dont really care if some game changes lead to some mods not working afterwards and already told the modders in the past to update they´re mods accordingly when an updates comes which break them, which is also a pain in the ass for me as i have lots of mods installed but as of lately there are fewer and fewer mods getting broke by update so it seems they have also considered to avoid this unconvieniences for the modders (as the content is very appreciated). But if a car mod would lead to issues in the game i would just drop it and use stable mods or wait for the mod to be fixed, how you jump to the conclusions that this issue may be caused by a faulty game engine or such…i just think if this would be a major problem it would affect any vehicle and not a single, old and not accordingly updated 3rd party mod which doesnt say/show shit about AC being broken. One other thing that also suck in AC by the way is when a Track has settings to avoid Lap cutting and lets say you crash or go off track you are only able to get the lap to count again if you finish one entire lap even if you pit after the crash which is pointless and sucks balls in Nordschleife tourist and other hotlapping tracks (where is the point to have to conclude the lap for the time to count again).

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  16. Assetto Corsa is a broken mess without proper keyboard control assists, rFactor 2 is a real simulator for dedicated sim racers and offers big catalogue of intresting dedicated race cars and dedicated modding support with thermo-mechanical tire model and dynamic suspension modelling race rules and animated marshal. It’s a serious race simulator with a focus on dedicated race cars, so it’s not about collecting cars wouldn’t class AC in the same league as AMS regarding simulation, especially if you’re into dedicated race cars. It fundamentally can’t, since it will have a fundamentally different tire model and won’t be a dedicated modding platform with dev mode, packaging system, MP with auto-downloading of mods and dedicated race rules.

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    1. that animated marshal,

      worth at least 100 simulation value points.

      There’s a problem with your transmission though:

      ” It’s a serious race simulator with a focus on dedicated race cars, so it’s not about collecting cars wouldn’t class AC in the same league as AMS regarding simulation, especially if you’re into dedicated race cars. It fundamentally can’t, since it will have a fundamentally different tire model and won’t be a dedicated modding platform with dev mode, packaging system, MP with auto-downloading of mods and dedicated race rules.”

      Seriously, what the fuck happened there? lol

      Like

  17. After The Red Pack Premium DLC Pac is released we can together get on top of this issue asap and analyze if there is fundamental physics problem in the physics engine and send Kunos Simulazione the full analyze what exactly needs to be fixed, I’m willing to offer them my help free of charge to make sim racing great again.

    Like

    1. “ask the real drivers”

      Im a real driver and RF2 shits on most sims in almost EVERY respect, just because they failed to market it to spastics doesn’t make it any less so and same thing goes if you dislike someone who loves rf2, its still thee sim to beat in you know SIMULATION aspect, but fuck that, we prefer screenshots right?

      At least rf2 fanboys dont try to drag sim racing down to the lowest common denominator to suit their own insecure driving skills, cause everyone knows any spastic 18 year old can drive a f1 car competitively or even a f3 after 10 mins or break records on the nords on first go right?

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  18. It is already widely known and well established that rFactor 2 is the best racing simulator right now. The AC fanboys are just mad that their sim is highly inferior compared to rF2, and they have to bitch, whine, and moan about rF2 to make their sim look good. Associat0r just owned the fuck out of you AC fanboys again, and he exposed your precious AC for being simcade garbage that has no simulation value.

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    1. And does Stefano’s dick feel good in your ass you AC fanboy? It doesn’t matter if rF2 is played with a keyboard, controller, or a steering wheel. It will always be superior to Simcado Corsa.

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  19. Good news everyone, the author of the mod is going to remove the unrealistic damper settings in the next update. Thanks associotor for being a caring member of the sim racing community and noticing that it allowed too wide a range of options.

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      1. “We’ve been very lucky to get @Tristan Cliffe involved in our project. He is a Formula 3 driver in F3 Cup UK, and he helped us to push this project to a completely different level.
        I’ve been invited to their last two F3 Cup events at Spa Francorchamps, where I spent my time taking pictures, looking at data, speaking to drivers and engineers, learning more about their cars and how they tune them, and trying to get as much information as possible.
        Full days spent as a team member, living the experience, understanding how much time it takes to do a small change on the setup, being on the grid, feeling all the excitement and professionalism of a real life race.
        I’ve been cooperating with Tristan and his team extensively in the last year and an half (almost 350 emails), and we got our hands on plenty of technical data and full telemetry to use as a reference. Tristan also helped us with measurements and tons of tests to give us proper feedback.
        His help has been invaluable. A huge thank you from ours side to him and his team, Omicron Motorsport.”

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  20. I hope you realize we’re all talking about videogames here. Some of you are in SERIOUS need of a girlfriend and some fresh air, because you take these things WAAAAY too seriously. To be honest, I don’t even know why I read this junk, I’m just drawn to it like a fly to shit…

    You guys are so angry about a bug it’s hilarious (and slightly alarming).

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      1. Let’s not confuse video games with “the world around you”. There are more serious issues out there to deal with, but they probably have no simulation value to you. I don’t even know why I stoop to your level, I wasted 10 minutes of my day on you.

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  21. associator is a known copy & paste troll/shill no wondering the thread was closed
    Thought I’d copy and paste that as I agree with it. Sad he put’s people off rF2 and they really can’t afford to lose players.

    Like

  22. Awwww Associat0r got his feelings hurt… Fuck him and his thermo-mechanical copy/paste bullshit. I’m sure he can really feel the difference with his keyboard.

    Like

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