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My First 2dof

Discussion in 'DIY Motion Simulator Projects' started by Erisvaltom, Jun 13, 2019.

  1. Erisvaltom

    Erisvaltom New Member

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    My Motion Simulator:
    2DOF, Arduino
    Building my first 2DOF simulator.

    Attached Files:

    • Like Like x 4
  2. Horker

    Horker New Member Gold Contributor

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    My Motion Simulator:
    3DOF
    Good luck for your project
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  3. Erisvaltom

    Erisvaltom New Member

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    My Motion Simulator:
    2DOF, Arduino
    Status updating...

    Doing the test with engine and LFS. I`ve needed to do make some adjustments in CFG archive (LFS folder)to recognize the SimTools system.

    By the way, it was necessary to change the parameters of CFG as below:

    OutSim Mode 2
    OutSim Delay 1
    OutSim IP 127.0.0.1
    OutSim Port 4123
    OutSim ID 1
    OutGauge Mode 2
    OutGauge Delay 10
    OutGauge IP 127.0.0.1
    OutGauge Port 4124
    OutGauge ID 1

    After these inputs, my tests were done successfully with the game. Also, I tried to upload the video with the test but it was not possible.
  4. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Agree Agree x 1
  5. Erisvaltom

    Erisvaltom New Member

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    My Motion Simulator:
    2DOF, Arduino
    Status updating:
    Finishing this phase. Next step: paint the structure.

    Attached Files:

    • Like Like x 3
  6. Erisvaltom

    Erisvaltom New Member

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    My Motion Simulator:
    2DOF, Arduino
    The structure was concluded and painted. I`m starting to connect the parts to finish the building.
    Now, I have a problem with the chair balance because when the engine is not working and someone is sitting down the chair move an inadequate way. I did some tests with springs but it was not enough to solve the problem. If someone has an idea, I'll really appreciate the help. Thank you.

    Attached Files:

  7. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    My Motion Simulator:
    3DOF, DC motor, JRK
    It sounds like you are describing motors being back driven when not powered on, that is common for 25:1 gearbox ratios.

    A mechanical chock is about the easiest solution.

    I have found that even 50:1 ratio gearboxes can be back driven once they are worn in, but 60:1 can't be back driven under normal sim loads.
    • Agree Agree x 1
  8. Erisvaltom

    Erisvaltom New Member

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    Dear, thank you for the information and support. I'm using engines with 63:1 gearbox. I confess to you that I didn't wait for this problem. As your recommendation, I installed five mechanical chocks (four with 60N and one with 120N of force) and the balance was improved, but I need to do the test with the chair and game to be certain. Thank you again.

    Attached Files:

    Last edited: Jul 9, 2019
  9. Erisvaltom

    Erisvaltom New Member

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    My Motion Simulator:
    2DOF, Arduino
    Almost everything concluded! Next Step: Project Cars2 plugin. Could someone please confirm if the Project Cars1 plugin works in Project Cars2? When I tried downloading the PC2 it was not available.

    Attached Files:

    • Like Like x 1
    Last edited: Sep 14, 2019
  10. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Informative Informative x 1
  11. Kranky Pantz

    Kranky Pantz Active Member

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    My Motion Simulator:
    2DOF, DC motor, JRK, Motion platform
    Nice work!

    You are not alone with your seat moving & drooping while unpowered.

    I have 50:1 gear motors on mine, and it does the same.

    When not playing anything motion enabled I usually just power each motor up by using the Pololu JRK config utility and let them zero & lock to center.

    It's not an ideal solution, and not really advised to do, but it works and I'm usually not playing non-motion games for very long (because they're now boring to me ;)).

    If it becomes a problem it would be simple enough to create some small motor lever locks/blocks to place under each one, or some form of a kickstand-type of device for the seat.


    Best of luck with your build!

    :popcorn
    • Like Like x 1