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Discussion in 'DIY Motion Simulator Projects' started by uk-stryder, Jun 6, 2018.

  1. uk-stryder

    uk-stryder New Member

    Joined:
    Jul 12, 2012
    Messages:
    7
    Occupation:
    Electronics Engineer
    Location:
    England
    Balance:
    53Coins
    Ratings:
    +2 / 0 / -0
    My Motion Simulator:
    2DOF
    hi guys.
    im back after years of being away lol.
    im looking to get started on my 2dof design which im planning to bolt under my omega racing frame.

    also ive started work on my own 3d gokart racer based on indoor karting here in the uk.

    main reason for noob post is im having difficulty sourcing a sturdy U adapter to go under the seat.
    ive been googling for hours.

    any help would be great.
    cheers guys and glad to be back at it.
    • Like Like x 1
  2. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator SimTools 2.0 Beta Tester

    Joined:
    Jul 13, 2014
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    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    85,047Coins
    Ratings:
    +7,149 / 34 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  3. sam poole

    sam poole Member Gold Contributor

    Joined:
    Nov 14, 2017
    Messages:
    39
    Location:
    midlands
    Balance:
    183Coins
    Ratings:
    +25 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform, 4DOF
    You can get an old vw/audi drive shaft quite cheap and use the outer cv joint the advantage is these drive shafts are thick and hollow making for a more stable mounting surface
  4. uk-stryder

    uk-stryder New Member

    Joined:
    Jul 12, 2012
    Messages:
    7
    Occupation:
    Electronics Engineer
    Location:
    England
    Balance:
    53Coins
    Ratings:
    +2 / 0 / -0
    My Motion Simulator:
    2DOF
    cheers for help guys. i found a cheap uj and flange set on ebay quite cheap.
    its actuall from a 4x4 so should be good lol.
    just need to buy a cheap welder so i can fix it to a plate.
    will keep you posted ;)
    • Like Like x 1
  5. uk-stryder

    uk-stryder New Member

    Joined:
    Jul 12, 2012
    Messages:
    7
    Occupation:
    Electronics Engineer
    Location:
    England
    Balance:
    53Coins
    Ratings:
    +2 / 0 / -0
    My Motion Simulator:
    2DOF
    hi guys, So the Land rover propshaft is spot on for what i need.
    i can even drill down into its centre and wind a bolt in through the base of my chair.
    hopefully will be strong enough to take the motion.

    So next im looking for some DC drives to lift the left and right side via some sort of usb controllers.
    Any pointers would be awesome.

    Cheers all

    Edit: BTW the shaft cost me 6 pound on ebay LOLz

    Attached Files:

  6. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator SimTools 2.0 Beta Tester

    Joined:
    Jul 13, 2014
    Messages:
    10,706
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    85,047Coins
    Ratings:
    +7,149 / 34 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  7. uk-stryder

    uk-stryder New Member

    Joined:
    Jul 12, 2012
    Messages:
    7
    Occupation:
    Electronics Engineer
    Location:
    England
    Balance:
    53Coins
    Ratings:
    +2 / 0 / -0
    My Motion Simulator:
    2DOF
    ahh cheers noorbeast.
    so 25/1 50/1 is that speeds or torque.

    ill do a drawing and post that soon.
    im mainly just trying to copy most other sims. UJ under the seat central and then forward by around 3ft left and right sides will have the motors.
    i dont want huge movement just subtle tilts.
  8. uk-stryder

    uk-stryder New Member

    Joined:
    Jul 12, 2012
    Messages:
    7
    Occupation:
    Electronics Engineer
    Location:
    England
    Balance:
    53Coins
    Ratings:
    +2 / 0 / -0
    My Motion Simulator:
    2DOF
  9. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator SimTools 2.0 Beta Tester

    Joined:
    Jul 13, 2014
    Messages:
    10,706
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    85,047Coins
    Ratings:
    +7,149 / 34 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Too small.

    A word of advice, finalise and post your design, then it will be possible for others to given some advice as to what motors will be needed to drive it. SimCalc can help get your head around the basic physics of design choices: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
  10. sam poole

    sam poole Member Gold Contributor

    Joined:
    Nov 14, 2017
    Messages:
    39
    Location:
    midlands
    Balance:
    183Coins
    Ratings:
    +25 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform, 4DOF
    I picked up some second hand Peugeot 106 wiper motors off eBay about 10 15 quid each will probably do the job for a classic 2 dof design but many recommend larger ones with bigger gearboxes maybe off of a bus/lorry but I agree with noorbeast you don't want to buy unless you're sure of a design first
    Last edited: Jun 15, 2018 at 00:20