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Beginner 1DOF traction loss on wiper motors

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Rifly, Jan 30, 2020.

  1. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,461
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    144,602Coins
    Ratings:
    +10,741 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Are you using clone MMs and if so have you tested them: https://www.xsimulator.net/community/faq/reputable-monster-moto-suppliers-testing-before-use.158/
  2. dieser

    dieser Member

    Joined:
    Jan 20, 2020
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    372Coins
    Ratings:
    +12 / 0 / -0
    you making great improvements!

    thanks for your detailed information and the videos.
    and good luck with setting up your wheelchairmotors.
  3. Rifly

    Rifly Member

    Joined:
    Jan 30, 2020
    Messages:
    55
    Occupation:
    freelance photographer
    Location:
    Latvia
    Balance:
    242Coins
    Ratings:
    +24 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    Update:

    45% - axis limit
    20% - profile intesity


    Full rig rebuild - reusing old materials + lots of wood. (that's what quarantine does to you)
    Did I manage to find solution for stall and lack of power? sort of
    Longer levers - as you can see in video, and 1 slot down(6,5cm) on motor lever, I have 3 positions - 5cm-6,5cm-8cm,
    and axis limit to 45%. I still get slow response on up motion after drop, so I hope I will get it sorted when IBT-2 arrives and I will move on 24v psu.

    With rebuild fixed flex in the frame, made it shorter - almost to playseat dimensions - btw it's gone, that's were funds came from :roll

    MM were not faulty did tests they were fine, but since with my help they are not, while, making them more compact, I messed up :confused:, swapped +/- and heard big bang on adding pwm to motor
    91797119_316541725974258_8495094472789458944_n.jpg
  4. Rifly

    Rifly Member

    Joined:
    Jan 30, 2020
    Messages:
    55
    Occupation:
    freelance photographer
    Location:
    Latvia
    Balance:
    242Coins
    Ratings:
    +24 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    Not all wheelchair motors are equal!
    So be carefully choosing one, pay attention to wattage and gearbox ratio. I've made video for comparison.
    Now knowing my motor shortcomings I've shortened levers even more now it's 4cm, and thats fixed all issues on power delivery, now they are responsive and strong enough for me. Later will add action video.
    P.s Im using 120w motors with shorter levers and they are good! I can swap them later since I have bigger motors, but for now, fun fun fun :cheers