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Automobilista 2 Custom Force Feedback - Overview & Recommendations

Discussion in 'Automobilista 2 - General Discussion' started by Karsten Hvidberg, May 30, 2020.

  1. Danielkart

    Danielkart Well-Known Member

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    Addendum: You own a Fanatec 2.5. The FEI value is a very important value for my Fanatec dd1. Anything over 30% causes very strange noises and a clicking sound. It distorts the ffb extremely if it is too high. With your 2.5 I don't know of course how it behaves
     
  2. Gazzawesty

    Gazzawesty Skunkedup AMS2 Club Member

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    Just a little update from me. I used Stakanovs new file yesterday on my g27 and I found that the center is too light and the build up of forces goes a little too heavy on long fast corners. Raising gain did help the center but the heavy forces were pulling over my wheel stand. I tried lowering gain and raising lfb to fill the center but that didn't work and the heavy forces were still too much.

    I think I liked the file with double up best as although the heavy forces are too much I did have center so it felt more like a steering column connected to the wheels.

    I'll try Karstens file later on once home from work. Cheers for the hard work everyone.
     
  3. Stakanov

    Stakanov Well-Known Member AMS2 Club Member

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    Try this change in my last file ... we defined them later

    (center_full (blend (min 1.00 (* lfb_slider 9.0)) 0.6 0.3)

    (angle_d_l2 (* angle_d_l 25)) ---> no 30
    (angle_d_r2 (* angle_d_r 25)) ---> no 30

    I hope it helps you... ;)
     
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  4. Michael Enright

    Michael Enright Well-Known Member AMS2 Club Member

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    What to the values 9.0, 0.6 and 0.3 effect?
    Also, I tried the 0.6 and 0.3 reversed and to me it seemed better somehow.
     
  5. Bull Shark

    Bull Shark "Later has already begun." AMS2 Club Member

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    Personally I hardly use the FREI setting, just a few clicks 15/20 the max as I really don’t like the feeling when it is turned higher. It feels very artificial to me.
     
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  6. Danielkart

    Danielkart Well-Known Member

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    Just like Stakanov says. Another possibility is to increase the vel_rot_scale value a little 1.1 or 1.2 .... The high forces in fast, long curves can be eliminated with decrease vel_res_scale. Or do you mean the heaviness when braking in fast, long curves? Then it should already be fixed, unless Stakanov has set this value back to its original state
    regards
     
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  7. Gazzawesty

    Gazzawesty Skunkedup AMS2 Club Member

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    Hi Danielkart the heavy forces are just when driving fast around a long corner holding the line. It's not when breaking... At least I don't think so. I'll have a mess with the file tonight when I get home. Thanks for the reply
     
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  8. Stakanov

    Stakanov Well-Known Member AMS2 Club Member

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    @Gazzawesty in addition to what Daniel told you, in my file i use low velocity_res_scale, for hardness in speed try this too...
    (velocity_res_scale 0..25) ----> go to 0.30 or 0.35 or 0.40 ;)
     
    Last edited: Apr 1, 2022
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  9. Stakanov

    Stakanov Well-Known Member AMS2 Club Member

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    Hey @Michael Enright the combinations are many and personal tastes ... for me
    If
    (angle_d_l2 (* angle_d_l 25)) ---> no 30
    (angle_d_r2 (* angle_d_r 25)) ---> no 30

    i like
    (center_full (blend (min 1.00 (* lfb_slider 9.0)) 0.6 0.3)

    If
    (angle_d_l2 (* angle_d_l 30)) ---> no 25
    (angle_d_r2 (* angle_d_r 30)) ---> no 25
    i like
    (center_full (blend (min 1.00 (* lfb_slider 9.0)) 0.3 0.6)

    Or if you don't want a center feel connected directly to the LFB and blen with him, then you can use a fixed value to your liking
    (center_full 0.4) ----> or 0.5-0.6-0.7-0.8-0.9 depending on the steering wheel

    Other parameters also affect the center or the hardness in speed curve ... or change its perception...

    They are personal tastes, you can and should apply this reasoning to every file ... my/your taste cannot be identical to mine/yours, different brains, different sensations and tastes ... I will never discuss this ... do what you like best!!! ;)

    On mathematics and physics the discourse changes, 2+2=4 always (like or no) ... the gravitational acceleration on earth is always 9.8 m/s2 (rounded) and it is always like this, if you lower you run on Mars, if you raise you run on Jupiter (you can modify but is incorrect) .... the pi rounded is π=3,1415926535 always .... e = 2.71828182846 rounded is the basis of the exponential function {e^ {x}} and of the natural logarithm, ... but we are not talking about that ;)

    Always available, regards Michael
     
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  10. Michael Enright

    Michael Enright Well-Known Member AMS2 Club Member

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    I know what you mean about personal taste. I use
    (angle_d_l2 (* angle_d_l 25))
    (angle_d_r2 (* angle_d_r 25))

    But I prefer
    (center_full (blend (min 1.00 (* lfb_slider 9.0)) 0.3 0.6) For whatever reason. It just feels a little better for me.
    Thanks for the reply and hard work on these files
     
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  11. Stakanov

    Stakanov Well-Known Member AMS2 Club Member

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    @Michael Enright and no one will ever tell you it's wrong ;) ... on the contrary, since they are not certainties, you make me doubt and I will try it again in the next version :)

    Btw @Karsten Hvidberg for you the file is still experimental in development or we can call the exp.6 the def. 5.0.1.4 and make our own versions?? You want to make other changes?? ;)
     
  12. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Hey Stakanov,

    I found a cpl things to be improved before posting that, unf...
    1) Dynamic adjustment of center_full, based on velocity.
    2) Further adjustments to bumps, both on and off kerbs.

    So at least one more experimental. Not enough time, however, so not expecting to post until late Sunday with some luck :)
     
    Last edited: Apr 1, 2022
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  13. Stakanov

    Stakanov Well-Known Member AMS2 Club Member

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    Take all your time (no problem even after) and always thanks!!! ;)
    Good weekend to all!!!
     
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  14. Gazzawesty

    Gazzawesty Skunkedup AMS2 Club Member

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    Thanks Stakanov for your help and reply ❤️
     
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  15. Michael Enright

    Michael Enright Well-Known Member AMS2 Club Member

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    I just tried it again, back to back, and now I am leaning back toward
    (center_full (blend (min 1.00 (* lfb_slider 9.0)) 0.6 0.3)
    This is a very weird thing. Each time I play, it can feel slightly different. Just keep experimenting I guess.
     
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  16. Dean Ogurek

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

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    @Karsten Hvidberg
    Nice work on your latest version release.;)

    One thing I would like to try is to delay the Tear effect to the point where the steer tires are at greater slip- angle. From my RL experience, such effect does not occur until the tires are really being pushed hard, just exceeding optimal grip in the cornering phase.

    As it is now, the tear effect occurs a bit too early, imo.

    I'm willing to experiment with this but, just not sure what parameters would have the desired effect.
     
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  17. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Away from comp, but it's named something "tear offset", the higher the later.
    Also "scrub offset" is there.
     
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  18. Manolo

    Manolo Member

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    Yes tear_threshold and scrub_threshold, you can modify already now when start the effect ;)
     
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  19. hotak

    hotak New Member AMS2 Club Member

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    I tried to post in the other FFB thread, but could anyone update me on the various bugs/known issues for custom FFB? I want to make a pure rack FFB file for my simucube2, with only the steering limit bumpstops as additional effect. I already made one for PpCars2, but directly porting it to AMS2 results in very strong FFB with bad oscillation issues. It used inverted My and Mx forces as suggested in christiaan's pure FFB for pCars2, is this still valid? Can i find a documentation about the various variables and operations somewhere?
     
  20. Danielkart

    Danielkart Well-Known Member

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    I assume that you are traveling with motion because you only want to simulate the steering axles? That's going to be difficult
     

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