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2 dof race-simulator and controllers - building thread

Discussion in 'DIY Motion Simulator Projects' started by Fred Johan Østli, Jan 10, 2022.

  1. Fred Johan Østli

    Fred Johan Østli The old rocking chair

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    Hello. I am from Norway, so first excuse my not so perfect english :)

    I decided to start this thread now. I have ordered components, so there is no way back :)

    My project is building a 2 dof sim, and maybe add traction loss, if 2-dof succeed. The system I will use is Arduino rev3, and IBT-2 motor-controllers with vipermotors, I will also build wheel, pedals and H-shifter using Arduino leonardo, Ibt-2 (force-feedback.) I got inpired by the youtube series from D-Max (Haloween2go)

    A little more background: I am not a sim-racer, but 10 years ago I used to play GTR2 and started to think about building a sim, I was active at the X-sim.de forum, and soldered som boards and H-bridge, but that plan stalled. I love DIY and building stuff, an I have buildt guitars, boats, Ice-sailers (they are fast!!!) etc. I am more used to woodworking than metal and electronics, but I did weld together a bandsaw mill with a 7 hp brushless motor on it (There you have some real force-feedback :)) My DIY philosophy is that all I can manage to do myself, I do myself, both for the fun of it, and to reduse cost. I also like to recycle stuff, because it is good for the enviroment, and the wallet :)

    I have not 100% decided the design. All I can build in wood will be wood, because with my DIY sawmill i have milled al lot of material, so wood for this project is free. I live on an old farm, so some scrap-metal laying around here will be used where that strenght is needed. Therefor the design wil partly adapt to what my recourses are.

    Because i will use vipermotors, I want the design to be as balanced as posible. I like the balance in the joyrider-rig, but I do not need that much movement for a race-sim. I am trying to design a rig with the pivot point closer to center of gravity than the commond universal joint under the seat. I will try to make a drawing and share with you when ready. I believe if the rig is more balanced, there is less stress on the vipermotors.

    Thats it all so far. I am happy for all kinds of responses on this thread. It is 2-3 weeks before components arrive, and in that time I will work on the design. (or just decide to adapt one of yours)

    Regards

    Fred
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  2. Ads Master

    Ads Master

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  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
  4. Fred Johan Østli

    Fred Johan Østli The old rocking chair

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    Thankyou Noorbeast. I will likely use shoulder mount, and i am not looking for big angels/large movement. But if i can make it even more balanced, maybe the vipermotor can move a rig with pedals and wheel. It is also posible I make a rollercoaster sim for some kids, and in that case I want the ability to adjust ratio. :)
  5. Fred Johan Østli

    Fred Johan Østli The old rocking chair

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    Rocking chair consept. My idea is to keep center of gravity low, and more balance to make it easyer on the vipermotors :)

    Attached Files:

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  6. Jumping Coin

    Jumping Coin Member

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    I was always curious about a rocking chair concept. Looking forward to see how it turns out!
  7. Fred Johan Østli

    Fred Johan Østli The old rocking chair

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    A little update: In building my rig I recycle somee materials from an office chair and other furnutures. its not looking pretty, but I will make a fake leather skin and some paint on it. Its kind of a rocking chair on a rocking chair :) I can balance sitting on it, but to far pich or roll I will loose balance. But I think the vipermotors will have an easy job, if i keep the angels moderate. I have got the motors but waiting for the controllers. I am also working on a H-shifter, and started to plan wheel and pedals.
    20220117_174550.jpg 20220117_174556.jpg
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  8. Fred Johan Østli

    Fred Johan Østli The old rocking chair

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    A little uppate: i have made a H-shifter, not completed the finish, but tested with Arduino Leonardo and the EMC firmware and software. Looking good so far, I realy like the work mr EbolzMagy do https://www.youtube.com/channel/UCe6N3hxeEd2DB_undoxaIMQ . Also connected some pots for pedals,

    upload_2022-1-23_19-20-55.jpeg

    upload_2022-1-23_19-21-17.jpeg

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