Automobilista 2 Custom Force Feedback - Overview & Recommendations

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

  1. Kuku

    Kuku Flying Kiwi AMS2 Club Member

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    Nice work as usaul

    Mid file feels good ( testing with JCW mini tonight) out of the box with one slight change of reducing scrub scale as those pesky little rough vibes were creeping back in to files lately.
    I think you had already reduced it , but i went a point or two further .
    Its overall a bit less stiff or on the lite side compared to previous , so need to adjust settings up for that, no problem for me, but wonder if others who like stronger wheel have the range.
     
  2. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Ok, maybe you can adjust "master_rack" to fit?
    If so, which value works well for your base?
    Also curious, which version had the best scrub for you so far?
     
  3. TheNormalOne

    TheNormalOne New Member

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    Is it possible to get a version list with the downloads of the last versions after 6.6.5.26? In the past you could find quite a few downloads in the beginning thread, now unfortunately not. I am currently trying to find the best for me for the G27, I think I can say that the "tighten" function is essential. I have some time ago here

    Automobilista 2 Custom Force Feedback - Overview & Recommendations

    already posted. In V6.6.5.26 "tighten" is built in for the first time (to my knowledge) and that is a quantum leap for low end steering wheels like the G27.
    I would ideally need all subsequent versions after ...26 to test more.

    Translated with www.DeepL.com/Translator (free version)
     
  4. Kuku

    Kuku Flying Kiwi AMS2 Club Member

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    yeah i figured master rack was the reason, i dont know just yet, but im enjoying it, I think scrub come in a little in the 30's. , but maybe ive just picked up on it in the mini.
     
  5. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    The tighten has been added in the version just posted today again, not as values at the top, but directly at the bottom of the file instead.
    I was hoping one size would fit all?
     
  6. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Is it that you don't want the scrub at all or can you describe how it is wrong?
     
  7. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Next revision should be tuning of:
    1) Low end & mid version files
    2) Tighten for low end
    3) Scrub
    4) High end only if something is somewhat off in that one for some reason.

    So any feedback as to how those values make sense is appreciated.
    It would be important that the feedback comes in relation to the latest version .38 just posted today.

    I might post some interim revisions if some fine tuning values are important for added adjustment options, but nothing that will change the overall settings until we have agreed on some good compromises & file settings.
     
    Last edited: Jan 13, 2021
  8. Kuku

    Kuku Flying Kiwi AMS2 Club Member

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    It’s not that bad, not like when we had issues in pc2, it’s subtle, but not all cars show it. But it’s just a underlying oscillation during understeer, it’s more a personal preference to not experience it . I find it ok at lower scale of 0.1
    I have run other files ( Pc2) without any scrub code just fine in the past, so I don’t think it’s meaning I’m missing out on something.
    I’m liking the file just fine as it is, but need to test some rwd cars more, as just did a race in tail happy camaro gt4 and wasn’t sure about the oversteer feeling at - value.
     
  9. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Ok, great, I'm simply trying to find some middle-grounds that works for all.
    Reg. the over-steer there is also this line down in the file:

    (over_steer (- 1 (max 0 (- grip_feel_front (power (- 1 grip_feel_rear) 0.80)))))

    The 0.80 is the coefficient for how it should kick in. Linear would be 1.0, of course, so at 0.80 it starts a little faster. Just fyi in case you want to adjust the "attack" of the over-steer as well.
     
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  10. Fizzy

    Fizzy Well-Known Member AMS2 Club Member

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    I found the fcm tool, but I don’t know how to use it. Is it used in conjunction with wheelcheck as per the pc2 forums?

    Thanks.
     
  11. TomP

    TomP Active Member

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  12. Fizzy

    Fizzy Well-Known Member AMS2 Club Member

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    Thank you Tom. Much appreciated. :)
     
  13. Fizzy

    Fizzy Well-Known Member AMS2 Club Member

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    Sorry if I'm being a bit stupid here...

    From looking at your instructions and the scoop output from FCM, I can see how you got this line by entering the scoop knee & scoop reduction values:

    (output (scoop output 0.50 0.52))

    But I don't understand how you got the values in this line (I assume it is from the Deadzone removal value?):

    (output (tighten output 0.17 0.012))

    These are my best R2 values:

    Scoop knee: 0.79
    Scoop Reduction: 0.63
    Deadzone Removal: 0.03

    Any help appreciated.
     
  14. TomP

    TomP Active Member

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    Second value in tighten function should be something around 1/10 of the first one ('Deadzone Removal' in FCM). So you can test values between 0.003 - 0.001.

    More info here > Deadzone Removals(TightenCenterRange/Falloff)
     
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  15. Fizzy

    Fizzy Well-Known Member AMS2 Club Member

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    ah -thanks so much for your help.
     
  16. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    @TomP

    So as I hear this, it seems these g-series bases require each their own values? Not by g-number, but individually for each user's sample?
    If so, is there a sweet spot that fits all fairly well, do you know?
     
  17. TomP

    TomP Active Member

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    I'm afraid there is no 'sweet spot' for g-series.
    From my example > FMC shows that 'Deadzone Removal' value of 0.15 is optimal for my wheel but a use 0.17 because ffb feels so much better then.
     
  18. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Anybody up for a sanity check, I'd be interested to hear if these changes to values feels like an improvement as it's somewhat more lively, or if it's way to much or not enough?
    for any wheel base type:

    (longitudinal_scale 0.6)
    (lateral_scale 1.3)
    (balance_scale 0.03)
    (balance_scale_hi_df 0.03)
    (exaggerate_over_steer 0.5)
    (master_rack 1.80)

    (suspension_scale 1.0)

    Then, further down the file, change this line:
    (lateral_pct (+ 0.05 lateral_steer))
    to this:
    (lateral_pct (+ 0.2 lateral_steer))

    ?
     
  19. Kuku

    Kuku Flying Kiwi AMS2 Club Member

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    Even my Belt t300 has a FFB dead zone, and depending on system settings in cp, it can be surprisingly big.
    Between 0.09-0.12 removal.
    But I think using these figures in conjunction with LFB centre boost will feel different to using the values in normal files.
    So I would think anyone trying this would need to have LFB at zero or very minimal.

    I haven’t tried using scoops in this system as I think you have already created a balanced force.
    Scoops can be really beneficial if you want to try adding it into a default custom file for example.
     
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  20. Karsten Hvidberg

    Karsten Hvidberg Well-Known Member

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    Making life easy for us to compare, an alternate popped/stronger alternative:
    I am thinking maybe it needs even more pop, so it's more aligned to "Default", but with improvements.

    * More pop/spark & strength.
    * Hopefully fixed bug that caused values to go awry between sessions of different cars.

    Some cars feel better more "popped" and g-series sounds to benefit from strenghtened signal.

    Direct link: https://forum.reizastudios.com/attachments/silver-raw-6-6-5-39-zip.12094/
     
    Last edited: Jan 13, 2021

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