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News this is my 2 dof framework, and wait for the next update

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Arta Yasa, Apr 29, 2021.

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  1. Arta Yasa

    Arta Yasa Member

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    hi, i am arta from bali, i am trying to build 2 dof motion with a bus motor wiper (maybe one day i will upgrade the motor to a more powerful one) this is the image when i built the dof 2 framework. wait for the next update

    If there are suggestions for the future, what should I prepare again, you can comment

    Attached Files:

    • Like Like x 2
    Arta Yasa, Apr 29, 2021
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  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Thanks for sharing your rig and progress :thumbs

    Just some comments and observations for your consideration.

    Are the wiper motors ground isolated: https://www.xsimulator.net/community/faq/wiper-motor-mandatory-ground-isolation.25/

    It is best to have the universal joint as near the seat base as possible, rather than in the middle if the upright, as the latter can result in bigger loads on the motor and some odd movement geometry: https://www.xsimulator.net/community/faq/universal-joint-placement.108/

    This looks to be a compact design, if so wiper motors may struggle, as they do not have a lot of torque.
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    noorbeast, Apr 29, 2021
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  3. Arta Yasa

    Arta Yasa Member

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    You're welcome, nice to share, is it better to use a rod end or tie rod, sir? because some people I ask make me confused. yes I will study the focus, sir, if there is a bag please help me. yes my plan is when all my rigs are finished and can move I will save more to buy a stronger motot. because of this wiper motor I bought a second hand at a bus demolition near my city, so to save costs. oh yes, everything I used was the former master used hollow iron, the used welding machine was broken (I repaired it then immediately learned to weld directly to weld the rig) I had the joy of building this rig
    Arta Yasa, Apr 29, 2021
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  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, Apr 29, 2021
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  5. Arta Yasa

    Arta Yasa Member

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    oh my god, I have thrown away all the tie rods I have, about 8 rods, because many suggest using end rods. in my place it's easier to find a used bus car tie rod. I will look again. oh yes, besides the placement of the U joit that should be close to the seat (top rig) what else should I change sir ?? what about the placement of the master wiper motor? should it be under the chair? or away from the chair with the addition of more arms ??
    Arta Yasa, Apr 29, 2021
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  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, Apr 29, 2021
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  7. Arta Yasa

    Arta Yasa Member

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    Not recomend like this picture sir? . Note picture from google for example.
    Arta Yasa, Apr 29, 2021
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  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Did you mean to add an image or link to an image?
    noorbeast, Apr 29, 2021
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  9. Arta Yasa

    Arta Yasa Member

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    Sorry sir iam forget to input a file of image. This image sir.

    Attached Files:

    • Like Like x 1
    Arta Yasa, Apr 29, 2021
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  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    That is a compact design, it is probably the least suited design for wiper motors because it needs a fair bit of torque to drive such a design with limited design leverage.

    In other words, the closer the motors are mounted to the pivot the more torque that is needed to drive the rig.

    You can play with SimCalc to see the tradeoffs between design and physics: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
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    noorbeast, Apr 29, 2021
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  11. Arta Yasa

    Arta Yasa Member

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    how about like this sir? this recommendation? add an arm a little way behind the chair. or more recommendations such as the link that you provided. so that in the future I can change the design of my rig again before I weld it firmly and paint it.

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    Arta Yasa, Apr 29, 2021
    #11
  12. Arta Yasa

    Arta Yasa Member

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    I also found people who sell motors such as wiper motors, but with metal gears. the seller said the torque is 90kg. is that more recommended? so that I can buy it, or first try with the existing wiper motor until the wiper motor is really damaged. motor as shown.

    Attached Files:

    Arta Yasa, Apr 29, 2021
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  13. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    As mentioned the further the motor mount from the pivot the better, while what you have drawn will work a shoulder mount is a more common approach.

    I would suggest do your rig development and testing with whatever motor you have and save up for more powerful DC motors, something like these: https://www.ebay.com/itm/GEAR-MOTOR...L-FEED-SIMULATOR-75-80RPM-50-1-/371596157992?
    noorbeast, Apr 29, 2021
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  14. Arta Yasa

    Arta Yasa Member

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    OK sir, in other words the lever on the shoulder is more efficient in space, OK, I'll change the base as suggested sir and I will also learn how to use the calculator
    Arta Yasa, Apr 29, 2021
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  15. Arta Yasa

    Arta Yasa Member

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    Sir for the controler i will used arduino uno(because i have) for the co troler motor will oke used bts7960 or motomonster sir? Because bts7960 cheaper than motomonster sir.
    Arta Yasa, Apr 30, 2021
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  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    • Friendly Friendly x 1
    Last edited: May 1, 2021
    noorbeast, Apr 30, 2021
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  17. Arta Yasa

    Arta Yasa Member

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    Last edited by a moderator: May 1, 2021
    Arta Yasa, Apr 30, 2021
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  18. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, May 1, 2021
    #18
  19. Arta Yasa

    Arta Yasa Member

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    Update my rig today, add wiper holder, holder steering.
    But my wiper motor deffrent size 1 big and one small but same exBus 24v. It is will problem?? Please guide me.

    Attached Files:

    Arta Yasa, May 2, 2021
    #19
  20. Arta Yasa

    Arta Yasa Member

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    Sorry late to reply sir, i have read it. But i see monster moto just max 16v sir, my motor is 24v. If used bts7960 can handle 24v sir.
    And 1 of my motor wiper bosch cannot run i have chech spul are oke, but this motor with 3 cold(carbon brush) sir.

    Attached Files:

    Arta Yasa, May 2, 2021
    #20