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Project 2Dof

Discussion in 'DIY Motion Simulator Projects' started by Bordiin, Sep 30, 2015.

  1. bsft

    bsft

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    Do you have a photo of the front view of the seat ? I am not sure what you are asking

    EDIT, I am go to take a guess you are building according the the video and the design I had. I suggest dont go that way and look at the yellow desk racer mounts. The are a LOT higher than what you are up to I suspect.
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    Last edited by a moderator: Oct 3, 2015
  2. Blame73

    Blame73 Well-Known Member

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    My Motion Simulator:
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    I would move to shoulder mount, as I lately did, cause otherwise wiper motors could easily overheat and suffer. Because of the better levers you will also feel little motions that now would be lost. I had the same project as you have now, and I regret I didn't do it sooner.
    This is my rig: http://www.xsimulator.net/community/threads/blame73s-2dof-seat-mover.6029/
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  3. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    Hello @Blame73 i think about make the simulator like your, but i have some difficult to do mechanical adaptations, this is only a prototype, I'm building with things i found in my fathers garage kkk.

    @bsft I'm building following the many projects, i take the informations i think are better and put it all together. I have more difficult to make and to understand the mechanical part.

    Attached Files:

  4. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    I want to change my motors, to Step motors i have to in my home, but the drive i have it doesn't accept the PWM,

    I need send (pulse and direction) It's possible program the arduino tho recive the signal the SimTools and send to my drive pulse and direction?
  5. Blame73

    Blame73 Well-Known Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I would suggest you turned your joint upside-down so that the ball joint would be closer to the seat, avoiding unwanted lateral movements
    • Like Like x 1
  6. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    I'm not using the ball joint, Look i introduce the nut in my screw

    Attached Files:

  7. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
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    Oh No No No....That will NOT work.

    Nor will those motor mounts.
    • Agree Agree x 4
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  8. Bordiin

    Bordiin Active Member

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  9. tombo

    tombo Active Member

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  10. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    i'll make changes in my project,
    so i send the question about

    Thank's all to help
  11. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
    I personally suggest the Rose style rod ends...part # SQ10-RS....i had a set of the cheaper rod ends that Tombo posted that failed real quick, Not to mention they lack in the "angle" department and might require spacer's of sorts.

    [​IMG]

    Motor mounts Defiantly need to be upgraded they unfortunately wouldn't last 5 minutes before bending out of shape and causing all sorts of issues.......For what its worth, The Small Angle Iron was able to be Twisted in how i have my motor's mounted, The Big Angle Obviously Not. Yes i have stronger motor's that you do, But thats beside the point. BUILD it Strong once, then you wont have to revisit these problems down the road.

    [​IMG]

    here you can see my Pivot point. the seat frame sits directly on top and is AS close as possible to the seat frame.

    [​IMG]

    [​IMG]
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  12. bsft

    bsft

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    Motor mounts are too low. The motors will struggle, and if you decide to comment "thats what you did in your video, " , yes I did, however, it works better desk racer mount of shoulder mount.
  13. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
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    This is the somewhat ideal setup for the motor's/Arm angles. Yes more angle would be slightly better, but somewhat marginal unless you have the real estate to play with. Your running wiper's so you need as MUCH mechanical leverage as possible to help the motor's.

    [​IMG]

    [​IMG]
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  14. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    I don't find the tip rod like you told @Nick Moxley but i find one look in the picture,

    now I'll adjust the base and the motors supports,

    @bsft I did a test with the motors in the base, but i had problems with the mechanical supports, so I stop the test and Start the new modifications

    Attached Files:

  15. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    • Like Like x 1
  16. Nick Moxley

    Nick Moxley Well-Known Member

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    Those rod ends wont work like that, they will for sure need spacer's. The Rod ends need to have as Much "angle" travel as possible. The washers you have on currently will SEVERELY limit the angle's the rod ends can work with.

    This is WHY i suggest the SQ10-RS version's....they have Double the Angle of a standard Rod end.

    What is your plan for the motor mounts ? or i guess those will come with the redesign to accommodate some proper Angles on the arms ?
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  17. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    @Nick Moxley i'll follow @noorbeast suggestion, and put the cone spacers.

    The motors mounts i don't know yet. I'm thinking about it.
  18. bsft

    bsft

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    that bracket is NOT helping, the brackets will flex to much.
    either make proper brackets of build it like @Wanegain design.
    Im lost as to what or how your are trying to do things, so good luck doing whatever you are doing.
    Dave out.
    • Agree Agree x 1
  19. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
    I HIGHLY suggest you check out some of the Other Member's threads to see exactly how thing's are assembled and re enforced.
  20. Wanegain

    Wanegain Active Member

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    My Motion Simulator:
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    I agree with @bsft, it will flex too much. You really need something stronger !
    If your structure is very rigid, you will enjoy longer your simulator but mostly you will enjoy the small effects that will not be absorbed by the flexibility of your system
    • Like Like x 1