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Project kart 2 dof recycling.

Discussion in 'DIY Motion Simulator Projects' started by Renaudeau, May 9, 2020.

  1. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
    Messages:
    49
    Balance:
    116Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Birth of the project:
    During the confinement of the coronavirus I could not go to karting. I look in my
    attic and I found my old PS2 with the game Gran Tourismo3 !!!
    I bought an old Logitech driving force pro for a few € and started playing.
    Having a kart and a few pieces lying around in the rig, I decided to improve my gaming experience by making a
    playseat with what drags me.
  2. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
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    49
    Balance:
    116Coins
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    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    The old swing has found a new life by turning into a chassis, an old kart tub repaired with fiber, Ikea chair legs
    , a few pieces of wood and screws.[​IMG]
    • Like Like x 1
    • Creative Creative x 1
  3. Renaudeau

    Renaudeau Member

    Joined:
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    Balance:
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    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Attaching the seat with Ikea children's chair legs[​IMG]
  4. Renaudeau

    Renaudeau Member

    Joined:
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    My Motion Simulator:
    2DOF, Arduino
    The distance from the steering wheel and the seat are adjustable with screws so that my children can also play.
    [​IMG]
  5. Renaudeau

    Renaudeau Member

    Joined:
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    Balance:
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    My Motion Simulator:
    2DOF, Arduino
    By putting myself back in video games I switched to assetto corsa to test the simulation on PC at a lower cost.
    Realism and scenery in video games has evolved between PS2 games and current games.

    Being in automotive mechanics I can easily have spare parts. So the idea of going 2Dof came to me.
    By searching a little on the net, I saw that there was a lot of project with an arduino and window wiper motors.

    The idea is to make a 2 DOF simulator with the maximum recovery in order to discover the world of programming.
    At first I ask about the components to find:
    I already have the arduino, the potentiometers, the front wiper motors of the car, the rods, the steel tube, a universal joint.
    I hesitate between the motomonster and the 2x32A sabertooth to drive the motors. For the moment I prefer sabertooth for its
    voltage versatility and high intensity.
    • Like Like x 1
  6. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
    Messages:
    49
    Balance:
    116Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    I'm going to take advantage of the confinement to order my engine control card. What is the best card?
    - Motomonster
    - Sabertooth
    - Other model
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,463
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,614Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Cheap clone MMs can be hit or miss: https://www.xsimulator.net/community/faq/reputable-monster-moto-suppliers-testing-before-use.158/

    Sabertooth is pretty bulletproof, but that comes at a cost.

    There are some other options, JRKs are pretty easy to set up, but also a bit pricey.

    Members are starting to also experiment with other controllers.
  8. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
    Messages:
    49
    Balance:
    116Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Some little news:
    Today I got 2 valéo wipers (12v).[​IMG]
    To carry out my first tests, I ordered inexpensive Moto monsters. If it is successful, I will buy a sabertooth card.
  9. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,463
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,614Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  10. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
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    Balance:
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    My Motion Simulator:
    2DOF, Arduino
    Thank you for the information.
    I modified my 2 motors to isolate them. I keep the 2 speeds to test.
    I would follow the tutorial to check that the monster motorcycles are working :thumbs
    • Like Like x 1
  11. Renaudeau

    Renaudeau Member

    Joined:
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    Balance:
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    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Today I received the Chinese monster motorcycle cards.
    I tested the 2 cards with my multimeter then with the motors.
    Only one card works properly.[​IMG]
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,463
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,614Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  13. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
    Messages:
    49
    Balance:
    116Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    today I carried out my first functional test with the Arduino software then with Simtools demo.
    I followed the forum tutorial and everything went well, well almost ...
    The engine n ° 1 works correctly and reacts well, the engine 2 tends to move back and to seek a little its final position after each command.
    In addition motor 2 has less movement than motor 1. I measured the voltage in A0 and A1 of my arduino
    when I put the motors in the middle position (command R7FL7F).
    I find 2.1volt on A0 and 2.9volt on A1. Is it normal not to have the same values on the outputs of my potentiometers?
    [​IMG]
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,463
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,614Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    I have mentioned these before -

    Are the motors ground isolated: https://www.xsimulator.net/community/faq/wiper-motor-mandatory-ground-isolation.25/

    Has the clone MM been tested: https://www.xsimulator.net/community/faq/reputable-monster-moto-suppliers-testing-before-use.158/

    As an aside MMs need active cooling.
  15. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
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    Balance:
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    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Thanks for the reply, I think I found the source of the problem. I reduced the speed of the motors and now the 2 motors work well and take the same positions.
  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,463
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,614Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Now that you have them sorted any updates and pictures on mounting the motors to the rig?
  17. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
    Messages:
    49
    Balance:
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    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Last week I made the base of the simulator.
    I used used 30 x 30 mm square tube (3€ for 5 tubes of 1150 mm).
    The frame is 1150 x 550 mm.
    20200621_210812.jpg
  18. Renaudeau

    Renaudeau Member

    Joined:
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    Balance:
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    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    While I was in the workshop I also prepared the motor plates with 7.5 mm thick flat iron.
    The plates are 130 x 100 mm. 20200621_210703.jpg
  19. Renaudeau

    Renaudeau Member

    Joined:
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    Balance:
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    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    I cut a 470 x 100 mm flat iron that will serve as a connection between the gimbal and my seat.
    20200621_211742.jpg
  20. Renaudeau

    Renaudeau Member

    Joined:
    May 4, 2020
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    Balance:
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    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    I got a cardan from triumph spitfire.
    After cutting it, I welded it on a 100 x 100 mm plate.
    I will add reinforcements when the tests are finished.
    20200621_211522.jpg