Automobilista 2 Custom Force Feedback - Overview & Recommendations

Would be nice if you could increase the gain somewhat, these latest ones have been a bit lacking

 

Final(?) update for today(combined the efforts from earlier, deleted those posts to not clutter as much and added the latest features):

I really hope this one feels as good on other wheel bases as it does on mine (makes the Default feel badly sick on my setup), but prob. not quite until dialed fully in.

(Still includes the balance & notch additions from last night/this morning's session).

Additional:

* Road feature details to the "Momentum Rack". Feels better now when speeding

* Removed latencies, both in the Momentum Rack and in the blending with the Reiza rack.

* Momentum Rack 1.0 - code a little cleaner. Will not shorten it, since it's very easy to understand what it does when not shortened. The strength is in the simplicity of the solution, so it's very short anyways (core is at lines 327 - 369), which handles both wheels separately for both balance, turn momentum and details.

* Grip feel adjusted.

* Momentum Rack adjusted slightly up, to 2.5.


Make changes to:

- "momentum_rack_details_boost" if you want them even more or less pronounced, but I generally see no need on my own wheel base.

- "car_balance" up if you need more heavy feel to the cars. Down if less. Default at 2.0, still not quite sure what best would be.

- "momentum_rack" (set at 2.5 currently):
- Down, if you feel the tightening under speed is too high. 1.5 seems really good too.
- Up, if you just can't get enough of that.

- "friction" might be worth changing depending on your wheel base.
- If you are on a DD or other high-end wheel, you might already have friction set, so then adjust "friction" lower in the custom ffb file.


Custom ffb file attached "Silver Bullet V9 - Momentum Rack 1.0":

@Alegunner68 please let me know what else you need . I am curious what adjustments are required for it all to feel great on your wheel base. Same for @F.Santos and anybody else that gets it dialed in to their base. Would be good to have done. I wish I had more than this one wheel myself...

 

New update for Heavy Messing.

I went back to V2.0 as the good base (as @Alegunner68 and a few others mentioned) and reworked all the code to make sure it was all working as intended. Solved a few bugs along the way, and now the result is a feel that is as good if not better than V2.0 but with all the added features of V2.1. There was a problem in particular with the Caterham 620R which is now fixed.

The clipping code has also been revised. As @Shadak mentioned, the high down force cars didn't really produce enough resistive torque when going fast. This was due to part of the file reducing the dynamic range for the main rack force. This has been increased to give the full dynamic range. This must be used with care on high output DD wheels though. If you use a low gain value in game and a high strength setting on the wheel then you could potentially get large spikes of output. It is therefore recommended to use higher gain of at least 60 and lower the strength of the wheel in the control panel to suit.

Tested against my old WR at Oulton Park in the Ultima Race done using HM v2.0. Managed to knock another 0.5s off with this one so definitely in the right ball park.

V2.2 Update:
* Revised tyre adhesion code to make it more consistent across vehicles.
* Increased range of intermediate sigmoid functions to provide much higher dynamic range for DD wheels.
* Various variable tweaks to improve feel and consistency across cars.
* Clipping now performed after the gain is applied giving full range of output.
WARNING - this may produce very high peak force on DD wheels if low gain and high strength is used.

 

Ok, tried the new v9 @Karsten Hvidberg , first thing i noticed was the dreaded notch, even lowering lfb didn't do much so i changed rack lfb blend to 0.25 and that removed it.
Road feel seems to be speed related more now, fast straights and bends are ok but slow and medium corners are more or less flat.
I'm thinking these latest files are more suited to DD wheels, It took me a lot of fiddling just to get a good feeling.
Here's the file for comparison if anyone wants to try.

 

Ahh, great, thanks!
Reg. the notch, I think increasing the car_balance might have helped?

Yes, I can def. turn those details up in general as well too, thought you meant only missing at speed.

And you're def right it needs to be dialed in, I just need help for each base to do it, unf..

I will look at your changes and boost the values a little in general, I think. Also the car_balance.

Thank you again!

 

Hey @Karsten Hvidberg, gonna try the modified file from @Alegunner68, but your file has more of a centre normally which gives a better feel for the front wheels and combined with scrub a great feel of rear wheels too, I'm afraid that center notchiness might be to some degree a necessary evil.

Two things though, I increased scrub to 2.0, and what exactly would increase the weight transfer under braking, accelerating and side to side? For instance, with the hot car fusca when you breaking for the first corners in Curitiba you feel the tyre scrub, but there's not much feel for the strong change of speed, you can experience the same when driving off the pits, you see the bonnet lifting a bit, but there's barely anything giving you the feel for what you see.

@NuScorpii, the weight transfer on your file
Nus file gives a better feel of "bodyweight" of the car but

@Karsten Hvidberg, Im gonna try @Alegunner68 file, but normally your files have more centre momentum, which is great to feel the front wheels and helps to identify in a way the rear tyre scrub. Im thinking even to a lower notchiness it might be a necessary evil.

Also, how do I increase the weight transfer under accel, braking and side to side? Is it rack_weight or car balance? If you pick the Fusca in Curitiba driving off the pits you can see the bonnet lifting but there's barely any feel to it, same under braking for the first little corners in which the car kinda just feel light, there seems an issue with elevation changing being quite low possibly!? Thanks

@NuScorpii, I like your file but I need to play a bit with scrub and road noise, not getting it quite as I had in the previous file. The scrub front and back are quite hard to identify for me in both files thou, with the body movement of the car being so dynamic (which feels great) its hard to really get the feeling/sense of front tyres and rear, feels a bit like one middle front tyre and two rears.
Any suggestions? Thanks

 

Hey Santos,

Great!

It is the "momentum_rack" for a general increase.
"car_balance" for relatively more sideways, so the center moves more.

I hope that is what you needed?

I know I prob. set car_balance too low. Stayed on the conservative side. Same for other values.

Really appreciate this, it will help my racing to have both adjusted better. Same to @Alegunner68.

Thanks!

 

Deleted

 

Oh,

Down in the file there's also a "momentum_rack_blend_min" at 0.33.
If upping "momentum_rack" is not enough, you can change this downwards.
It allows even more of the momentum rack through, so will make a big difference to lower "momentum_rack_blend_min". Only if needed.

Cheers

 

Santos, sorry, one extra thing:

Alegunner68 adjusted rack Lfb blend down to 0.25, I think for adjusting stuff it's important you set it back at 1.0, otherwise it might cheat you a little.

Cheers

 

To reduce the road noise either reduce FX in game or set micro_details a bit lower in the file.

I think Reiza have increased the scrub effect slightly on their side so it could be the interference between the two. Nothing has actually changed in the file itself with regards to scrub for a while.

Best way to tune them would be to turn only one on at a time and try and get that right then do the other by setting one of the these to 0.0 then the other:

(scrub_scale_front 1.2)
(scrub_scale_rear 0.7)

 

I reduced macro_detail from 0.4 to 0.3, it feels slightly better, does that make any sense? or it's just a big old placebo!?
What does the macro_detail really give in FFB? What effects does it cover?

I did change my settings in-game too.

 

The macro details are the small bumps from the track surface. Micro details is more the high frequency noise. And then rack load is for the larger track features and weight transfer felt through the rack.

So yeah, if you get too much of a cobblestone feel, it is probably the macro details then need reducing.

 

Just what i needed.
Latest file feels good btw.

 

I'm using SimuCube 1 Small Mige 20nm and the wheel shakes a lot when hitting the bumpstop with your Custom File, is there a way to reduce it? You may be wondering how am I reaching the bumpstop? Formula Reiza @ Monaco, can't do the Fairmont hairpin curve..

 

Hey NuScorpii, I kinda did what you said to find a better balance for me.
I added more scrub and micro detail in the file, then went back up to the same macro from your default. In-game I went down on FX, and up on LFB just a hint and it's pretty awesome now. Thanks for your help!

 

Could you post your tweaked file please?

I’d like to compare it with NuScorpiis latest.

Thanks!

 

Sure

 

Thank you.

I had a very brief drive with this file today (F309 at Virginia). Feels really good.

Again, thanks to all.

 

Nice file @NuScorpii