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Seat or full motion?

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Seth Miller, May 27, 2023.

  1. Seth Miller

    Seth Miller New Member Gold Contributor

    Joined:
    Dec 18, 2022
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    +3 / 0 / -0
    My Motion Simulator:
    DC motor, Arduino
    I’ve built a pit with moving g seat plates that feel great. But as usual now I want more. The servos I use for the surge axis get so hot that they smell like burning electronics and I made a counter force spring setup and kill switch for their power to keep from just burning to a crisp.
    Now I want to build a 3 axis setup out of the usual wiper motors but I’m trying to gauge whether to do a full pit with feet moving or just do a seat mover for “simplicity” and small footprint.
    Also wondering if anyone has done where just the seat moves and rudder/throttle quadrant stay still or if you “need” the throttle quadrant to move as well. For reference. My throttle quadrant is throttle, gear panel and huge Apache collective for dcs. I realize obviously the more motion the better but I’m pretty happy with the size of my current pit. Just looking for more movement than my set of 6 g seat panel provide.
    Thanks in advance!
    Seth Miller, May 27, 2023
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Innovative tech specialist for NGOs
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    St Helens, Tasmania, Australia
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    +10,778 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    See the FAQs for some historical discussion, as there are pros and cons to both options: https://www.xsimulator.net/community/faq/full-frame-vs-seat-shaker-designs-which-is-better.213/

    For flight I do think the throttle should be mounted to and move with the seat, if seat shaker design, or full frame.

    For race, a seat shaker design with fixed wheel and pedals does actually add some additional motion cues at the wrists and ankles, which I prefer, but it is a matter of personal preference.

    With my compact 3DOF the joystick and throttle move with the seat, but wheel and pedals are fixed, see the first video here: https://www.xsimulator.net/community/threads/dx-compact-simulator.5866/
    Last edited: May 30, 2023
    noorbeast, May 28, 2023
    #2
  3. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
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    London
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    11,610Coins
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    +458 / 9 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    what type of motors do you have ?

    consider wheelchair motors and gearboxes
    Gadget999, May 30, 2023
    #3
  4. Seth Miller

    Seth Miller New Member Gold Contributor

    Joined:
    Dec 18, 2022
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    Balance:
    19Coins
    Ratings:
    +3 / 0 / -0
    My Motion Simulator:
    DC motor, Arduino
    I haven’t bought any yet but figure I would get some 12v wiper motors.
    Seth Miller, May 31, 2023
    #4
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
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    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,112Coins
    Ratings:
    +10,778 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Wiper motors do not have a lot of torque so need plenty of inherent design leverage, like a shoulder mount seat shaker of foot mount design for best results.
    noorbeast, Jun 1, 2023
    #5
  6. Seth Miller

    Seth Miller New Member Gold Contributor

    Joined:
    Dec 18, 2022
    Messages:
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    Balance:
    19Coins
    Ratings:
    +3 / 0 / -0
    My Motion Simulator:
    DC motor, Arduino
    Newest thing I’m looking at are 24v scooter motors with chain splines already mounted and could do a rigged up chain gear for each axis. Thoughts on that?
    Seth Miller, Jun 1, 2023
    #6
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,549
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,112Coins
    Ratings:
    +10,778 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Discussion of motors is intimately related to intended design dimensions and desired performance, SimCalc can help you get your head around design Vs physics tradeoffs: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
    noorbeast, Jun 2, 2023
    #7