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Showroom Building my first 2DOF (without welding or a steel frame)

Discussion in 'DIY Motion Simulator Projects' started by Brie69, Jul 3, 2018.

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  1. Brie69

    Brie69 Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Checking whether the steering wheel will fit.... Check :thumbs
    Checking whether the cablemanagement plate still 'clicks on' the magnets.... Check :thumbs

    [tomorrow I start with the construction for the pedals]



    20180909_203132.jpg
    • Like Like x 2
    Brie69, Sep 9, 2018
    #41
  2. Brie69

    Brie69 Active Member

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    My Motion Simulator:
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    The pedals
    IMG-20180912-WA0000.jpeg
    • Like Like x 1
    Brie69, Sep 13, 2018
    #42
  3. Brie69

    Brie69 Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Spraypainted pedalssetconstructionthingy in place
    20180913_190635.jpg
    • Like Like x 4
    Brie69, Sep 13, 2018
    #43
  4. Brie69

    Brie69 Active Member

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    Thanks
    Brie69, Sep 16, 2018
    #44
  5. Brie69

    Brie69 Active Member

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    I'm using Lock Bond for the bolts and nuts.
    IMG_20181015_121113990.jpg

    IMG_20181015_121502859.jpg
    Brie69, Oct 15, 2018
    #45
  6. Brie69

    Brie69 Active Member

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    2DOF, DC motor, Arduino
    • Informative Informative x 1
    Brie69, Oct 15, 2018
    #46
  7. Brie69

    Brie69 Active Member

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    My Motion Simulator:
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    The alignment isn't quite right but the flexible couple makes it all right again.
    Everything is loose fixed for testing later on.
    IMG_20181015_121251710.jpg
    Brie69, Oct 15, 2018
    #47
  8. Brie69

    Brie69 Active Member

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    Updated the motor mount with one extra bracket.
    ..
    I am also a bit worried about the load capacity of the engines
    IMG_20181015_134646005.jpg
    Brie69, Oct 15, 2018
    #48
  9. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    You also need to consider the load capacity of the motor mounts, as they are subject to substantial forces, given the movement and mass of the rig. I think they need to be far more substantial than what you are using.

    They look to be wiper motors, is that correct?

    Have you tried SimCalc to get a sense of what is needed to drive your rig: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
    • Agree Agree x 1
    noorbeast, Oct 15, 2018
    #49
  10. Brie69

    Brie69 Active Member

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    That's correct they are wiper motors and no I didn't try the simcalculator yet.... All the parts that I have made till now are like 'it comes as it goes'... but the motors are a braintwister for now..
    ps. The two motors get one more mount in the same line as the motor.
    We keep I'll keep you informed @noorbeast
    Brie69, Oct 15, 2018
    #50
  11. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, Oct 15, 2018
    #51
  12. Brie69

    Brie69 Active Member

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    The ground isolation part is done already so next thing to do is calculate the lenghts and angles of the rods/lever and start testing.
    If torque is to small then ..well ..then I have to buy stronger motors.
    Cheers @noorbeast
    • Like Like x 1
    Brie69, Oct 16, 2018
    #52
  13. Brie69

    Brie69 Active Member

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    Brie69, Oct 17, 2018
    #53
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, Oct 17, 2018
    #54
  15. Brie69

    Brie69 Active Member

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    @noorbeast thanks for the quick response.
    Yes, that was one of the first things that I have done when I started the project...
    I just measured it again but still nothing between + and housing, - and housing or between the housing of the two motors.
    Cheers
    Brie69, Oct 17, 2018
    #55
  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    noorbeast, Oct 17, 2018
    #56
  17. Brie69

    Brie69 Active Member

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    Brie69, Oct 17, 2018
    #57
  18. Brie69

    Brie69 Active Member

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    My Motion Simulator:
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    What is wrong? I've uploaded the @RacingMat _2DOF_Arduino_code with a USB cable to the Arduino...installed SimTools latested version..downloaded/installed/patched some gameplugins..
    The settings in the Game Engine are those correctly filled in?
    When I start, for example Dirt Rally, the motors give one 'kick' when starting the game but when I start driving the motors stay still.
    If there is anyone how can help me with this is much appreciated.



    Houston_we_have_a_problem.JPG

    Houston_we_have_a_problem.JPG
    Brie69, Oct 21, 2018
    #58
  19. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    For SimTools 2 the Interface Output should be: [A<Axis1a>][B<Axis2a>][C<Axis1a>]
    noorbeast, Oct 21, 2018
    #59
  20. Brie69

    Brie69 Active Member

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    Sorry, @noorbeast but even when I set the Interface - Output like you said [A<Axis1a>][B<Axis2a>][C<Axis1a>] still no movement.
    Do I need to change the Arduino code or something?
    The Arduino is connected via USB A <> USB B cable to the pc
    Brie69, Oct 22, 2018
    #60
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