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Obutto Revolution 2DOF + Traction Loss

Discussion in 'DIY Motion Simulator Projects' started by Brett Horton, Oct 25, 2016.

  1. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    On another note,
    Playing with PCars initially, the motions are backwards in the game but correct in the Game Engine using the mouse to control. Any thoughts?
    Also ONLY Pitch and Roll are working in the Game Enigine testing as well. I'm sure I am just missing something...
  2. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Contact Pololu, they will likely give you a discount on the replacement JRK.

    Please post pictures of your settings.
    • Like Like x 1
  3. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Pololu is working with me, I am sending images and files to them. We'll see.
    Here are my current settings:
    Nothing on interface 2 through 6

    Axis Assaignments 2.jpg Axis Assaignments.jpg Interface Settings 1.jpg Interface Settings 2.jpg
  4. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Also, I think I remember seeing a discussion about setting a break function on the rig when not in game? Currently when I exit the game the rig goes limp.
    Thanks guys!
  5. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK

    Copy your Start up output Command to the Shut down Output command, Easy peezy then the rig will hold its Default (set in JRK utility) position.

    Next Start with ONE force at a time, Figure out which way they need to move, Manipulate the setting's a bit and you'll quickly figure out your faults.....PS Roll Axis DIR reversal is a hint. If you cant get it by all means a Skype chat could be arranged to talk you through it in more detail.
  6. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Thanks Nick!
    Again, It is going the correct direction when using the slider, just both backwards in the game?
  7. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    I'm sure I'm doing something stupid.... Brain fairly fried for awhile lol....
    This look better now?
    20161123_160459.jpg
    • Winner Winner x 1
  8. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK


    Winner Winner, Chicken dinner. :thumbs:thumbs

    Cya on Skype.
    • Friendly Friendly x 1
  9. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Holy Freakin WOW!
    Got the monster moving today with the help of the one and only Nick Moxley (Super Helpful and very knowledgeable dude)
    Even with the lack of traction loss (Will have the new JRK board tomorrow) In VR it is like a religious experience!
    Will post pics and video in a couple days once I get the Traction loss going.
    Thanks again to Nick and Norbeast for your help guys..... WOW.....
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  10. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Here is an update to my Project
    Everything is working great, Nick has been an amazing help taking the time to help me learn.
    I have about 10 hours running the sim with ZERO issues thus far.
    I have been learning how to tweek and getting everything dialed in as I see fit.
    Here are a few pictures of the "finished" product.... yeah right :)
    Still have to receive and install the diamond plate for the floor and add some bracing on the seat (lots of flex, losing fidelity)
    And lastly a YouTube link of me driving the x2010 at Nords lol...

    DSC_0410.JPG DSC_0411.JPG DSC_0412.JPG DSC_0413.JPG DSC_0414.JPG DSC_0415.JPG DSC_0416.JPG DSC_0417.JPG DSC_0418.JPG DSC_0419.JPG DSC_0420.JPG DSC_0421.JPG DSC_0422.JPG DSC_0423.JPG DSC_0424.JPG DSC_0425.JPG DSC_0426.JPG DSC_0427.JPG DSC_0428.JPG DSC_0429.JPG DSC_0432.JPG DSC_0433.JPG DSC_0434.JPG DSC_0435.JPG DSC_0436.JPG
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  11. Archie

    Archie Eternal tinkerer

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    My Motion Simulator:
    2DOF, DC motor, JRK
    Great fidelity of movement, looks like you have those profiles dialed in very well. Congrats!
    • Like Like x 2
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  12. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Thanks!
    Great help from the forum and Nick
    Still have a few tweeks as we all do I'm sure, but enjoying that as well
    • Like Like x 2
  13. Archie

    Archie Eternal tinkerer

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    My Motion Simulator:
    2DOF, DC motor, JRK
    Hey @Brett Horton

    Would you mind sharing your screenshots of the SimTools Axis Profile for AC and DiRt Rally (if you play DiRT) and also your tuning centre settings?

    I know all sims are different, but you seem to get really good movement over subtle bumps which I seem to miss in my profiles, especially on AC, so I'm curious now.....

    Thanks in advance.
  14. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Will be glad to! I will get them for you when I get home from work today.
    Assetto Corsa really has good mesh with fine detail.
    I actually have to turn down most, especially heave and surge. It actually hurts after a while of driving, especially a tightly sprung car like a downforce machine.
    I do not have good profiles for Dirt Rally yet as I am having issues with the lack of Heave Surge and sway (Common issue) so tthat one won't be helpful yet.
    I will also provide ( important) my PIDS and tuning center (With profile settings as well)
    What motors and controllers are you using?
    Last edited: Dec 1, 2016
  15. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Here ya go!
    AC Settings 1.jpg AC Settings 2.jpg AC Settings 3.jpg AC Settings 4.jpg
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  16. Archie

    Archie Eternal tinkerer

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    My Motion Simulator:
    2DOF, DC motor, JRK
    We have identical kit from your build thread. I have the 50:1 gearboxes but the same motors. Also using JRK's but coupled to some HP Server PSU, which I think are 48Amp a piece from memory. Yeah - PiDs and motor acceleration screens would be awesome. Thanks heaps.
    • Like Like x 1
  17. Archie

    Archie Eternal tinkerer

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    My Motion Simulator:
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    It's funny how much tinkering I do with motion profiles. I've never "just left" a profile after getting it set.

    I think the sheer number of cars and tracks in AC make it a must that you tweak each profile for that certain car.
    I basically have two, one for "suspension" cars and one for rock hard F1 style. Otherwise, I lose teeth!
  18. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Yeah me too, always tinkering....
    But its part of the fun IMO
    Hope those helped....
    Probably the biggest difference is the 50:1 you are running.... More torque but slower
    • Agree Agree x 1
  19. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    PID's are there in the pictures, Motors I will get shortly
    • Like Like x 1
  20. Brett Horton

    Brett Horton Active Member Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    Made some fancy smancy decals for Nick and I to adorn on our Motion Sims "honoring" the site
    20161202_103056.jpg
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