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Small Actuators to push not lift

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Sidge, Nov 13, 2024.

  1. Sidge

    Sidge New Member

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    I have an odd idea and i've been sifting through the forum. But so much info, but unable to find what i'm looking for.

    I've got a rig that sits on springs...feels like a suspension, not much movement, but with the weight shift of body weight and the direct drive wheel, it does move....BUT..

    I dont want full motion, but I do want to build a 2 DOF system, that allows me to have the actuator "nudge" the rig, no need to lift it, as its "floating" on the springs, Its like a mini-motion sim,

    As I turn right, the actuator is on the floor, but only extends an half of inch, to push the rig to the create the "roll" effect, same for pitch,

    Im thinking it would be the reverse of a motion rig; But I dont even know where to start, is there small motors? it doesnt need to pickup a lot of weight, just needs to nudge it. I"m guessing the controller is easy,

    I'm some what techy, but not sure to even know where to start to research this.

    Any Ideas?
    Sidge, Nov 13, 2024
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    You can get 60kg or even more powerful RC servos.

    But do consider the design aspects, a 2dof normally rotates around a uni joint style pivot, which create and help control the roll and pitch axis.
    noorbeast, Nov 13, 2024
    #2
  3. Sidge

    Sidge New Member

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    Well it’s really a 3Dof. I’ll need 4 motors or whatever device I can find
    Sidge, Nov 13, 2024
    #3
  4. 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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    +11,018 / 55 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    There are plenty motor and controller options.

    What may help is that post some pictures of the rig.
    noorbeast, Nov 13, 2024
    #4
  5. Sidge

    Sidge New Member

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    This isn’t my rig. But I’m about to add the same spring (lower left of pic). These will be on each corner of the rig. And they move from just body weight. That’s why I’m wanting a motor of some sort I can make push to move it the direction of the software.

    Attached Files:

    Sidge, Nov 14, 2024
    #5