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Showroom 6DOF project using 12v DC Motors, Sabertooth 2x60's (was MM's) and Arduinos + OSW

Discussion in 'DIY Motion Simulator Projects' started by SilentChill, Jun 2, 2015.

  1. Ned

    Ned Member

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    I have 4 MM on order, hope you haven't Jinxed me to get 4 faulty ones.
  2. John Voth

    John Voth New Member

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    Hello @SilentChill. This post is a great build, and it has really helped my team start planning our senior capstone project. Can you better explain the reasons why you switched from worm gear motors to linear actuators? What are some of the advantages/disadvantages of both, and which do you suggest for our 6DOF VR Xplane sim?
  3. noorbeast

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

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    My Motion Simulator:
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    A major difference is that linear actuators are significantly more mechanically efficient.
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  4. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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    Taken from SeatTime forum, not a direct answer to your question, but a statement for ball screw efficiency:

    Ball screws are around 90% efficient, worm screws around 65% , tried belts -noisy under load. Direct drive ball screws is a win for me.
    • Agree Agree x 1
  5. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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    @SilentChill I have a question about this part:

    upload_2016-10-9_16-55-52.png

    This is 3D print right? What's the filling percentage you used for it?
    Thanks.
  6. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    I cant see the picture matey ? But from what I can remember I used 50% for most of the stuff I printed apart from the wheel QC which was 100%
  7. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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  8. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    I directly attached the carbon tube to the ballscrew with carbon. The v-wheel mount is to stop the ball screw spinning and also to connect the belt for the Hall sensors.

    Wheel QC was suppose to be QR lol sorry :D "Quick Release" for the steering wheel
  9. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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    I wouldn't have understand QR either, so don't sweat about it.
    That means it was 50% filling, but not fully supporting the bond between the carbon tube and the ball screw. Make me wonder even more...
    Thanks for the info.
  10. Gadget999

    Gadget999 Active Member

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    how many nm are the motors ? do you know the ratio of the gearbox ?
  11. Seth2Christ

    Seth2Christ Member

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    Great job :thumbs

    Amazing project
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  12. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    Really ????
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  13. bruce stephen

    bruce stephen Hammer doesnt fix it, must be electrical SimTools 2.0 Beta Tester

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    Ahahaha its not even the first time its been asked @SilentChill, maybe he doesnt have time to read. Peoples times is important you know.
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  14. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    The world is full of them I tell ya :D
  15. Gadget999

    Gadget999 Active Member

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    this thread is at 44 pages now - its not easy to read it all in one go, sometimes easier to ask a question.

    i plan to build a linear actuator at some stage, i will get deeper into when the time is right




    perhaps you could post the the specs on the first thread as a summary
    • Agree Agree x 2
  16. SPHPilot

    SPHPilot Member Gold Contributor

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    Craig,

    I have a 6 month old little girl that will be running around soon. I am a Private Pilot and have a real life fuselage I'm interested in building a motion platform around. However, I'm afraid of having the high power motors and actuators in reach of my child while I'm entrenched in flying the plane. The room is open so there is not an enclosed wall or door around the sim.

    I guess I could build a small fence around the sim and tie the gate into the emergency kill switch.

    What are you doing to keep your boy from getting around your platform while you are operating it?

    Thanks,

    Jake
    Last edited: Dec 27, 2017
  17. Gadget999

    Gadget999 Active Member

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    fit a door and link it to a kill switch

    or keep the kid safe in the sim with you !
  18. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    Hiya matey, my little lad is frightened to death of it so as soon as I turn it on he runs a mile lol he sits and plays in it when it's all switched off though. The basement is my floor so rarley goes down there anyways.
    • Like Like x 2
  19. SPHPilot

    SPHPilot Member Gold Contributor

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    lol. Thanks.
  20. SilentChill

    SilentChill Problem Maker SimTools 2.0 Beta Tester

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    I received my Thanos board last week only just got round to opening it now. It is pretty sweet however I have No idea what to do with it :D

    Time to go read up and figure out how to install it.

    15144040683731618233374.jpg 15144041258612097395026.jpg
    • Like Like x 6