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Question 2dof motor arm angle...

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by dgworks, Nov 2, 2021.

  1. dgworks

    dgworks New Member

    Joined:
    Oct 13, 2021
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    I'm building a 2 dof seat mover, and using solidworks to figure things out.
    However i run into a problem, wondering if the motor arm is designed to have a certain angle towards my ""ass""

    I do know the distance between holes are keys to speed and torque, and did use the tool to calculate.
    However, should i make it at a certain angle, or it is program configurable?

    thanks in advance
    [​IMG]
    dgworks, Nov 2, 2021
    #1
  2. 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
    Interesting mobile idea.

    A lever is most efficient at 90 degrees to what it is acting on, and effective torque utilisation drops off rapidly over about 38 degrees up and down.

    A compact design requires more torque than others, use Motion Visualizer and/or SimCalc to help get your head around the design Vs physics trade offs:

    Motion Visualizer: https://www.xsimulator.net/community/faq/motion-visualizer.389/

    SimCalc: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
    noorbeast, Nov 2, 2021
    #2