Physics discussion thread

Is your My Docs folder synced to Onedrive Cloud? Maybe you have a controllersettings file corruption happening that's messing up your controls for AMS2? Maybe try disabling Onedrive Sync for your My Docs folder?

I know I stopped syncing my My Docs folder to Onedrive and stopped having weird controller problems that were plaguing me.

 

From reading I am not even sure where the issue is to be honest, because the info provided is not really accurate and there is no video of what the actual inputs show. So might be a "physics issue" because of how the throttle response is in AMS2 or just hardware/settings related.

I do agree however there are some cars/classes that lock up pretty easily compared to other sims, I often have to run with heavily reduced brake pressure as a consequence but I do not whether this is realistic or not.

 

The tyre wear is set to "authentic"

Should it be something else?

 

No, and I won't.
The most recent reason appeared after the patchnote, I had 2 of them.

 

Hello guys.
Love Ng time ago I discovered feature that exist only in ams2.
When it's a elevation change, the rear wheel drive for a moments behaves or like a gocart with no suspension or like heavy truck. What I mean you can see on the video:
Unnatural Wheelspins with smoke while it does not influence the slip behaviour, which is super weird and never seen it in real neither in other games.
Why does it happens in ams2?

Thank you.
Ps: ams2 is great, looking forward to FIA GT DLC extension

 

What I see in that video is one wheel slipping/spinning (longitudinal slip) due to the limited-slip differential. It looks to me like it's behaving just like it's supposed to? You mention gokarts, but gokarts don't have a rear differential at all, so both rear wheels always rotate at the same speed.

In the animation below, water is used to indicate loss of traction, but in your video you can substitute the water with elevation change (the wheel being raised off the ground)

 

Yes, I know it does not have, but in this moment cars feels like it , like it has no suspension and hard metal chassis. I know it's weird ) the car on the moment just slips, but don't have sharp grip loose, snap or whatever ...
Also it does not have water on the example.

But also never seen any of this obvious behaviour that includes smoke in real racing. Especially the smoke part...

So that's why IAM curious

 

Real racers generally are trying to avoid it , it’s not conducive to good tyre management.
But it’s exactly as I would expect the unweighted wheel to respond.
I do it all the time in my work vehicle on steep tight bends .
The smoke you could argue is a little bit more artistic than you might see in real life , but that can definitely depend on the amount of power the car has to rapidly spin the wheel.

 

Have you ever driven an open diff RWD car or a weakly locking rear diff car over a crest IRL? That's exactly what happens.

As you go over a crest while hard cornering, the inside rear tire gets severely unloaded and will light up the inside tire. We have a saying for that, "One tire fire".

Basically the torque is escaping out the unloaded inside rear wheel causing it to spin. While less of the torque is going to the outside rear tire that is still loaded. You may even see a puff of smoke in those conditions, but more likely not. The biggest indicator will be a slight increase in revs without forward acceleration. Those situations don't really upset the chassis with a snap of oversteer; as the outside tire which is carrying most of the load and doing most of the cornering is still within it's traction circle.
This is perfectly normal behaviour if you have less preload or clutches in your diff leading to less lockup.

 

Hi, no offense intended, but I need to comment on the R25 and R26. I've been driving these F1 cars in various simulators since 2007, and it already happened with VCR in Assetto Corsa that they made a very nice-looking R25 with a spectacular sound, but it was very unbalanced in terms of downforce and mechanical grip. It had insane downforce, higher than a 2010 F1 car, and very poor mechanical grip. There was more than a second of poor car balance; in sectors with fast corners, you were about a second faster than in reality, and in the last sector of Hungary, about a second slower. It was terrible. Now I've been watching many videos of your new R25 and R26, and it seems the balance is very good! But there's something I think is wrong, and that's the traction control. Those "skids" coming out of corners, even at over 150 km/h, are not typical of these cars. It was almost impossible for these cars to spin their wheels at high RPMs coming out of even a 50 km/h corner. In fact, I see them spinning almost as much as the R28 without traction control. It's as if the traction control is only working at 30%, and I've seen this in all the videos uploaded with these cars. Does anyone else experience this? Is it a flaw in the game engine itself, which doesn't simulate traction control well, or is it a problem with the mod? I'm just mentioning it in case it could be improved, because I really think it's a significant flaw, and it frustrates me because the rest of the car's handling in terms of cornering, braking, and inertia seems incredible. Thanks and regards.

I've attached a video from 2006. Even before you're halfway around the apex of the curve, you can already floor the accelerator pedal. The traction control does everything; there's no loss of traction, just a slight loss of "power" because the accelerator is being regulated from below.