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My Hoverboard DD wheel

Discussion in 'DIY peripherals' started by ba114, Jul 21, 2022.

  1. ba114

    ba114 New Member

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    My Motion Simulator:
    DC motor
    Hey all,

    First post here. Just wanted to say hi and show what i've built so far.
    Started with a dead hoverboard and removed the motors.

    Disassembled the motor and drilled the shaft out with a 9mm drill bit and removed the wiring and circuit board for the inbuilt hall sensors.

    Then i designed and printed various mounts for the encoder, odrive 3.5 (clone), FN120 mosfet and 50wR4 braking resistor.
    20220714_190626.jpg

    20220721_131136.jpg

    The encoder is connected through the shaft to the adapter i printed to mount a thrustmaster wheel using 3mm stainless rod which then connects to the 6mm encoder shaft with a printed adapter. I still need to wire up the mini-din 6 pin adapter but need to figure out how i want it to interface/connect to the case first.

    I also designed an angled desk clamp setup to secure it in place.

    angled mount.jpg The whole thing is powered by a 19.5v 12.3A laptop power supply from Dell/Alienware. I will chop off most of the round part at rear of the chassis and make up a panel to secure the power supply lead and usb cable. Still have to design a cover for the top of everything, however another member on the forums seems to have done something similar so hopefully he'll be able to find the file to share.

    Finally, i'd like to take credit for how this all works, but frankly, coding is something i know nothing about. This project has built entirely around the works of @Roman Smoliakov. He has a github where the project is documented along with custom firmware for the odrive and his own configration software.
    https://github.com/o-devices/bldc-ffb-wheel

    Additionally he has a great thread on a russian forum containing all his works:
    https://forum.simracing.su/topic/4400-dd-rul-iz-hoverborda-ya-sdelal-eto
    Last edited: Jul 21, 2022
  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
    Awesome job :thumbs

    Any chance you can share the 3D print STL files, so others my following in your evolution of @Roman Smoliakov's work?
  4. ba114

    ba114 New Member

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    fixed files in previous (deleted) upload

    Attached Files:

    • Useful Useful x 1
  5. ba114

    ba114 New Member

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    Finished product.
    Thanks to @Chris_Beeves for the stl for the top cover!

    Attached Files:

    • Winner Winner x 1
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  6. Chris_Beeves

    Chris_Beeves Active Member Gold Contributor

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    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF
    This looks really close to ideal man! Great job!
    Does the encoder axle share the 9mm hole with the motor cables now?
    • Agree Agree x 1
  7. ba114

    ba114 New Member

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    Yes the encoder shares the hole in the shaft. Theres possibility for very slight rubbing, however i dont foresee this being a big issue given the speed and amount of rotation being fairly minimal.
  8. Chris_Beeves

    Chris_Beeves Active Member Gold Contributor

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    Absolutely, can’t see that being an issue for the next 100 years or so.

    How do you like the odrive solution? I haven’t gotten around to buying one yet. Tried an Odesc but couldn’t get it working.
  9. ba114

    ba114 New Member

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    W
    Works very well once you dial in the braking resistor side of things.