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Showroom DX - Compact Simulator

Discussion in 'DIY Motion Simulator Projects' started by noorbeast, Sep 29, 2014.

  1. Dmraf

    Dmraf New Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Very nice, compact and high quality! Works of art!:thumbs
    • Like Like x 1
  2. rattler

    rattler

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    Nice build you have there, I suspect the aluminium crafting cost a bomb though....
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Thanks.

    I actually use plain common aluminium angle and boxing, so given the small 500mm X 500mm size it is not that expensive. The aluminium plate is seconds off ebay, so work out about $30-40.

    The frame is just drilled and bolted together, I used a $60 drill press from Bunnings, a grinder, electric drill and old jigsaw.
    • Like Like x 1
  4. Casey Pareni

    Casey Pareni MasterP

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    noorbeast your project is beast! You're an inspiration for sure.
  5. Clayton2318

    Clayton2318 New Member

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    My Motion Simulator:
    Joyrider
    Wow ... I'm very jealous. I'd like to do something similar. Great inspiration.
  6. SmartCraft

    SmartCraft Good rides are based on how we improve them.

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    Great Job! I feel the same way always changing directions with what I want to do. I'm up to 5 different Motion control cards and experimenting. I just need to bite the bullet finish the retrofit then work on the other ideas. I'm so impressed with how compact your design works. I can see a good direction for home use.
    Again Well Done.
  7. Rocco

    Rocco New Member

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    @noorbeast - truly excellent build with professional quality craftsmanship! You've inspired this noob to get going on a build of his own. I've been hesitant up to this point thinking that a motion sim would require a large amount of space but you've shown it can be done in a small package. One question, though: were you to do it all over again, would you change the motor mounting points and increase the connecting rod length to get a bit more leverage from them? Do you think that would have allowed you to stick with the 25:1 gear boxes (before you added the heave motor)? Not sure how you really could and still keep it such a compact unit, but I was just curious. Thanks again for sharing!
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I actually did move the front connection bar forward about 50mm ages ago @Rocco, any more would put it in front of the actual seat.

    When I get around to it I will move the top rear 3rd DOF connection point further back to the outside of the seat, it has been on my todo list for ages. The rear motor will get warm if you do a long climb out in a flight sim, where it is under constant load.

    To be honest I prefer motors that can't be back driven, as I can and do use my sim un-powered as a tactile office chair when doing other things, like VR games that do not have motion, but where the game benefits from built in transducers and audio. But you can use 25:1 in a compact seat shaker design.
    • Informative Informative x 1
  9. Rocco

    Rocco New Member

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    Gotcha, thanks for the reply. So I am understanding that 25:1 gear boxes can be back driven, whereas the higher ratios cannot?
  10. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
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    correct. You can always build mechanical locks to prevent that however as I have done.
  11. mariana fino

    mariana fino

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    State of the art project ,with state of the art software simtools,!!!!Great job!!
  12. EntonoX

    EntonoX Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Beautiful project, love the nice small footprint. Ideal for the small housed sim fans ;)
    Do you feel the motors are right on the spot regarding the power delivery? or are they oversized?
  13. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Because of the minimal leverage inherent in a compact design it takes more torque to drive it than say a shoulder or foot mount design, so the motors chosen are not over sized, in fact they are necessary.

    Despite its diminutive footprint my compact sim does have a pretty good load carrying capacity, here is a friend giving it the Big Boy test:

    • Like Like x 4
    • Agree Agree x 1
    Last edited: May 28, 2016
  14. chu

    chu 2dof racingseat

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Awesome, only one question, If you would sell it how many you think could cost (aprox)?
  15. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I am not sure what you mean @chu. Are you asking what it would cost to replicate? If so that depends on what you take into account, though my rig has cost less than the quality peripherals it supports.

    I had all the peripherals before I started from my old static rig, so that is the Warthog HOTAS+ Saitek pedals, Clubsport hub + 2 wheels and pedals + 2 shifters, plus the Buttkicker and the cheap Logitech speaker system I used for the on-board sound. I also had the high end DX office chair with built in lumber support for many years, but it is still like new, which is a testament to its quality.

    I originally spent AU $109 for each of the motors + shipping and later upgraded the gearboxes. I originally used second hand HP cheap server PSUs, since upgraded to new ones which I got for $50 each, and 3 JRK control board @ $100 each (Arduinos and MMs would be cheaper but would not fit in the compact control box).

    I used 2 X 3M lengths of plain 50mm aluminium box tubing, a 3M length of 50 X 25mm box tubing, three cheap 6mm X 400mm X 280mm aluminium second sheets for the seat, base and mid plates @ about $30 each, a 1M length of 6mm aluminum angle, a 1M length of 30mm X 5mm angle iron, some 6mm steel for the motor levers plus collars, an old car tailshaft @ $20, 3 x Hall sensors @ about $30 each.

    I recycled the DX chair office chair tilt mechanism for the adjustable heave spring, bought a car stereo amp wiring kit for the shielded wires, some odd bits of other wire and toggle switches, a 3M roll of stick on fake carbon fiber and a bunch of bolts. I re-purposed some things, like the BB Chev billet alternator brackets for rod mounts, the chrome lamp bar for rear speaker mount and used some fancy fans and billet covers.

    I also bought a $90 welder, a $60 drill press, a soldering iron and I borrowed a grinder.

    There would have been other bits and pieces as my sim evolved from a 2DOF to a 3DOF rig.
    • Like Like x 2
    • Informative Informative x 1
    Last edited: Jun 7, 2016
  16. ferslash

    ferslash Active Member

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    Noorbeast:

    at the end what happened with the metal actuators of your sig? did they made the trick? they where able to move the seat forward and backward? (i guess i missed that part in the threat)

    best regards from mexico

    fer
  17. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    They have become somewhat redundant @ferslash since I added the heave knee. Because it moves through a small arc I use that to advantage in how I set the motion profile up for surge, as it actually moves the seat a little forward and back going through that arc.
  18. kyutae kim

    kyutae kim bug800

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    My Motion Simulator:
    2DOF, Arduino
    Wow, very cool. ...

    I want to have one I ...
    • Like Like x 1
  19. Simon Husum

    Simon Husum Member

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    My Motion Simulator:
    2DOF, DC motor, JRK, SimforceGT
    What a great and superb job you have done there..
    Wow..
    And a lot of nice details :thumbs:)
    • Like Like x 1
  20. dedas

    dedas Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Wow state of the art achievement, really a great project. Hope you have al lot of fun with it (and enhancing it :grin)
    • Like Like x 1