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Starting with 1dof before going 3dof

Discussion in 'DIY Motion Simulator Projects' started by dca5454, Jan 2, 2017.

  1. dca5454

    dca5454 New Member

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    I have decided to jump in to the motion sim hobby after a few years sim racing and building a few projects inspired by diy builders and commercial developers. Being a Cnc machinist gives me the advantage to make all of my own hardware so I have borrowed a few designs ;) from them and made a few items already like my pedals, seq. shifter , osw to name a few. IMAG0299.jpg
    But on to the build. So here is my design goals.
    1) It needs to be ridged and strong because even though I only have the small mige osw it is a beast compared to my G27 wheel also the pedals need a solid platform with the loadcell in the brake takes some force to apply.
    2) Make it modular from materials available to me with very little welding.
    3) I will be making my own linear actuators thanks to @SeatTime and @wannabeaflyer2 for their design work.
    So here is what it will look like when complete any similarity to another sim rig is purely coincidental :rolleyes: 3DOF SIM RIG v102b.png
    So I though it would be easiest to start small and make the first actuator for the traction loss so here are some of the first pieces of advise I will ask for. Both@SeatTime and @wannabeaflyer2 linear actuators where made for a large 6dof rig with longer travel then I need so the dc motors they are using might be overkill for me so what would be the specs I should look for in a motor and what is the optimal travel for traction loss. I have done a rough calculation on the weight and the top platform with rider should be able to handle 150kg.
    • Like Like x 2
  2. lilted86

    lilted86 Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, SimforceGT
    Hey, gudluck with your project!...hope to see it working soon!..by the way, you have wicked OSW and pedal!!!!
  3. PiaMan

    PiaMan Active Member

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    My Motion Simulator:
    3DOF, DC motor, SCN5, Arduino
    Those pedals look fantastic. Would it be too much to ask for the cnc files? My first attempt at making my own pedals didn't go as well as I hoped and I bought v3 but would like to have another go

    Thanks
  4. dca5454

    dca5454 New Member

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    Hi PiaMan thanks as you can tell I used the H.E. pedals as my model I did a lot of rev. on the fly including changing type of load cell in brake pedal and switching to pots on acc. and clutch so I will have to put together a clean copy of nc files for you. So give me sometime when I get back to work. To make you really jealous almost all the parts in the pic are made from titanium:D
    • Like Like x 2
  5. dca5454

    dca5454 New Member

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    The start of the machining process IMAG0464.jpg IMAG0465.jpg
    • Like Like x 1
  6. dca5454

    dca5454 New Member

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    Test fitting some pieces together. IMAG0466.jpg
    • Like Like x 4
  7. lilted86

    lilted86 Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, SimforceGT
    so clean!..awesome job
    • Agree Agree x 1
  8. dca5454

    dca5454 New Member

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    Some more pics of progress IMAG0472.jpg IMAG0473.jpg IMAG0474.jpg
    • Like Like x 2
  9. obobo

    obobo Active Member

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    My Motion Simulator:
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    nice

    the CNC help a lot
  10. dca5454

    dca5454 New Member

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    Few more pics of progress IMAG0484.jpg IMAG0485.jpg IMAG0486.jpg IMAG0487.jpg IMAG0488.jpg IMAG0489.jpg
    • Like Like x 3
  11. hideki

    hideki Active Member

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    My Motion Simulator:
    2DOF, SCN5
    That is a beautiful frame, man. You should sell those cnc conections so people can make their own tubing rigs... Very very neat work. Congratulations
  12. ericRacer

    ericRacer You get old because you stop playing ! Gold Contributor

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    My Motion Simulator:
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    it is wise to start with 1 dof , a buttkicker help for immersion too ;)
    nice rig ! :thumbs
  13. dca5454

    dca5454 New Member

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    Thanks after I finish the rig complete with actuators and do lots of testing to see if connections hold up I just might do that.
  14. dca5454

    dca5454 New Member

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    You must have read my mind because I am using bass shakers on the corners while I get going on the actuators next.:o:
    • Funny Funny x 1
  15. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
  16. dca5454

    dca5454 New Member

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    • Like Like x 1
  17. shannonb1

    shannonb1 Well-Known Member

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    My Motion Simulator:
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    Why is that? I completely disagree
    • Agree Agree x 1
  18. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
    maybe the 1 was as slip up and it meant to be 2dof to start with. :think
    • Like Like x 1
  19. dca5454

    dca5454 New Member

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    I meant 1dof because I am only going to build a single actuator for now and it will be for the traction loss first then when I am sure everything works I will build two or four more to either make the rig 3dof or 5dof.
    • Like Like x 1
    • Informative Informative x 1
  20. dca5454

    dca5454 New Member

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    Few more pics of completed rig. Now I can use the rig until I get all the parts together for the first actuator. IMAG0503.jpg IMAG0504.jpg