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My 2DOF seat mover

Discussion in 'DIY Motion Simulator Projects' started by Deimonas, Mar 27, 2022.

  1. Deimonas

    Deimonas New Member Gold Contributor

    Joined:
    Dec 7, 2021
    Messages:
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    - 102Coins
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    +1 / 0 / -0
    Hello,

    I would like to share some of my experience building a simple 2DOF seat mover. I am not an experienced DIYer. This is my biggest DIY project so far. One of the goals was to make it as cheap as I can.

    The seat mover is made of wood from my previous static rig. It's not ideal but this way I was able to save on costs and it works for now.

    The seat itself is temporary. I had plans to move out soon so I needed something that would be easy to transfer.

    I used two 24V DC garage door motors. One of the reasons I chose these motors was the price. Both costed me only about 43 euros with shipping (half the price was refunded due to the sellers mistake). The speed of the motors is about 60 rpm, which as I heard is the minimum you need. There were some challenges attaching arms to the shafts. I bought these ring shaft retainers and they weren't holding in place. I decided to make holes in the shaft and the rings and put nails trough them. It works for now. I'll probably swap the rings to something more suitable in the future.

    The motors are controlled using two BTS7960 motor controllers and an arduino uno board. To track the position of the motors, I used two rotary hall angle sensors that rotates full circle. To make the sensors follow the motors, I used MXL belts and wheels. The belts I bought were too short, so I had to glue two belts into one. The power supply I chose is 500W.

    The 2DOF seat mover was tested with lfs using the demo version of simtool. It works quite well. However the testing was brief. Everything costed me about 250 euros.

    Sensors: https://a.aliexpress.com/_mM6bW5u
    Power supply:
    https://a.aliexpress.com/_mrEALX0
    Rod end bearings:
    https://a.aliexpress.com/_mPR0yye
    Shaft retainers:
    https://a.aliexpress.com/_m0U7U6E
    MXL belts:
    https://a.aliexpress.com/_mNqAioq
    MXL wheels:
    https://a.aliexpress.com/_mKc8Fae
    Motors: https://www.ebay.co.uk/itm/Hormann-...2349624.m46890.l49286&mkrid=707-127634-2357-0
    U-joint:
    https://www.cardyfren.com/es/platos-sae/plato-s1100-sae-88x4x8.html
    https://www.cardyfren.com/es/seguro-exterior/cruceta-238x612-el-s1100-standard.html

    Attached Files:

    • Like Like x 1
    Deimonas, Mar 27, 2022
    #1
  2. 0v3rkill

    0v3rkill Member

    Joined:
    Mar 24, 2022
    Messages:
    46
    Occupation:
    Programmer
    Location:
    Netherlands
    Balance:
    - 259Coins
    Ratings:
    +25 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    lol i thought my rig was kinda ghetto, but this one is even more custom then mine.
    i like how you made every part of it by yourself.

    What are your plans on the version 2.0?
    0v3rkill, Apr 5, 2022
    #2
  3. Deimonas

    Deimonas New Member Gold Contributor

    Joined:
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    - 102Coins
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    +1 / 0 / -0
    Thanks!

    I'll probably add a motor for the traction loss and will make the wheel and the pedals move as well.
    Deimonas, Apr 6, 2022
    #3