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2 dof simulator + traction loss

Discussion in 'DIY Motion Simulator Projects' started by Alexandru Popa, Sep 27, 2022.

  1. Alexandru Popa

    Alexandru Popa New Member

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    My Motion Simulator:
    DC motor, Arduino
    hi guys,

    I'm Alex from Romania, and starting from today I'm planning to build a 2 dof sim racing seat with traction loss. After watching some videos on youtube, I already have something in my mind, but I have to put my thoughts in a project helped by fusion 360 for all the measures and so. I was searching the internet for the parts I need, and I found locally at a decent price, 3 Second Hand fork lift motors for $120 all. Specs written on motors below. Also i have 5 VNH2sp30 drivers, but motors I plan to buy, are 24v at 11.5A, and VNH drivers can only 16V, 30A

    my question, can these motors help me build my motion simulator with 14v and 20A from PSU?

    motor specs: 3 x FENWICK - MBT82 S-4P / 24V DC / 11.5A
    PSU x3: 15A, 14V max OUTPUT

    attached pics

    Attached Files:

  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Balance:
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    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  3. Alexandru Popa

    Alexandru Popa New Member

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    My Motion Simulator:
    DC motor, Arduino
    hello. i bought 2 motors and are equipped with potentiometers. there are 4 pins in the plug on the potentiometer, but I can't find any info about wiring those things. Can someone give me a tip how I can read values from it?

    LE: potentiometer product code: Linde 0039723000

    _storage_emulated_0_DCIM_.convert_security_files_1664722230222.jpg
  4. Alexandru Popa

    Alexandru Popa New Member

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    My Motion Simulator:
    DC motor, Arduino
    Update:

    without any info on the internet regarding the built-in potentiometer, I 3d printed supports for my cheap potentiometers used directly in the main shaft. I'm going to test if it works as it should.

    Attached Files:

  5. Alexandru Popa

    Alexandru Popa New Member

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    My Motion Simulator:
    DC motor, Arduino
    hello.

    I'm about to finish my 2dof. In the end, I used cheap potentiometers with a new 3d printed supports with gears to read position.

    The frame is made from a rectangular steel tube, 60x20x1,5 mm, about 10m used for everything. i was looking for something that matches the F1 driver position.

    i printed a case for motor drivers and arduino, but I have to print another lid because the actual one is a bit too small for this amount of wires.

    I've made some tests with Live For Speed, and it works!

    I made the whole thing in 6 days, so yeah, maybe I need 2 more days to finish the frame for the steering wheel and pedals, but my main goal was to see it moving! :) All I can say, is that those motos are really beasts since I can't use them at more than 40% of the capable power (values entered in SMC3Utils - 120 PWM max / REV PWM, and 40% in Simtools, in axis assignment tab)

    I will come back with updates when everything is mounted.

    OFF: SimTools demo version can only play LFS?

    _storage_emulated_0_DCIM_.convert_security_files_1666895517392.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517461.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517755.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517683.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517275.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517902.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517821.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517621.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517552.jpg _storage_emulated_0_DCIM_.convert_security_files_1666895517180.jpg
    • Like Like x 1
  6. 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
  7. Alexandru Popa

    Alexandru Popa New Member

    Joined:
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    My Motion Simulator:
    DC motor, Arduino
    Hello,

    Thanks to this community, I've got a free DIY license, but there's an error on the webpage. Can someone help me please? What I'm doing wrong?


    Capture.PNG
  8. Alexandru Popa

    Alexandru Popa New Member

    Joined:
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    My Motion Simulator:
    DC motor, Arduino
    Hello again!

    Here's a video of my first attempt to drive in Assetto Corsa, using 75% of the overall power in the new version of SimTools V3. The new version is way more fun to set up, it's a very intuitive app, and a very nice experience through all the options, thanks again, guys!



    In the next weeks, I will disassemble everything to paint it and make some small adjustments, like the base it's a bit torsed, but nothing serious. I will present all the parts and dimensions of my rig

    I used my DIY steering wheel, made with an 18v servomotor from a RICOH printer, an STM32 blue pill board, 3d printed Gt2 pulleys, some ballbearings, etc. If someone is interested in this, I will dedicate a post only for this, as I will give the STL files to anyone who wants them.
    • Like Like x 1
  9. Kenshiro27

    Kenshiro27 Active Member

    Joined:
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    My Motion Simulator:
    2DOF, Arduino
    Hi
    the least we can say is that it moves