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do-it-yourself static 2dof dynamic conversion

Discussion in 'DIY Motion Simulator Projects' started by pfm21, Jun 17, 2020.

  1. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    Hard to say, as there are no detailed specs.

    If you are going to change the motors then it would be a good time to upgrade them as well to something like these, if you can find some with similar specs in your area of the world: https://www.motiondynamics.com.au/worm-drive-motor-12v-24v-200w-180-rpm-20nm-torque.html
  2. pfm21

    pfm21 pfm21 build 2dof dinamic

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    [QUOTE = "noorbeast, post: 201395, membro: 10786"] Difficile a dirsi, poiché non ci sono specifiche dettagliate.

    Se hai intenzione di cambiare i motori, sarebbe un buon momento aggiornarli anche a qualcosa di simile, se ne trovi alcuni con specifiche simili nella tua zona del mondo: https://www.motiondynamics.com. au / worm-drive-motor-12v-24v-200w-180-rpm-20nm-torque.html [/ QUOTE]
    the fact that it has 150 rpm should have a good torque?
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    The 25:1s work great for designs rig designs with good leverage, like shoulder, knee and foot mount designs, I use those motors but with 60:1 for my compact rig, as torque is important for such a design.
  4. pfm21

    pfm21 pfm21 build 2dof dinamic

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    yes I understand but I didn't want to spend all this money. one question, I asked for the free license to be able to use the software with other plugins. but I have no answer. can you tell me something? thank you
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    This is the eligibility criteria, as yet your thread and project do not show the rig being complete and ready for testing as per the second dot point:

    To qualify for a free license:

    • You must be building a true DIY motion simulator. (Not built from a kit or purchased from a simulator seller, a model simulator does not qualify.)
    • Have a unique build thread or Showcase in DIY Simulator Projects. (The thread should show some effort, which means it should show progress to the rig testing phase.)
    • Have been a member of the community for at least 30 days.
  6. pfm21

    pfm21 pfm21 build 2dof dinamic

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    Ok thanks
  7. pfm21

    pfm21 pfm21 build 2dof dinamic

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    [QUOTE = "noorbeast, post: 201401, membro: 10786"] I 25: 1 funzionano alla grande per i progetti di rig rigidi con una buona leva, come i design per spalle, ginocchia e piedi, uso quei motori ma con 60: 1 per il mio compatto rig, poiché la coppia è importante per un tale progetto. [/ PREVENTIVO]
    Ci provo Cosa ne pensi

    [MEDIA = amazonitem] amazon.it/dp/B07RM2MMYP [/ MEDIA]

    https://www.amazon.it/Motoriduttore-commutabile-ingranaggi-sostituzione-50rpm-L-LS/dp/B07RGTWTL4/ref=pd_sbs_263_3/259-3801323-0812405?_encoding=UTF8&pd_rd_i=B07RGTWTL4&pd_rd_r=b677f515-2b2c-4146- 8ff8-13dad54d5dd0 & pd_rd_w = bmThF & pd_rd_wg = r5qzy & pf_rd_p = 69cf9b10-e43c-44e7-b46d-1738c459bced & pf_rd_r = BFRPSY6E96S68ABZMJEY & psc = 1 & refRID = BFRPSY6E96S68ABZMJEY # detail_bullets_id
    Last edited: Jul 3, 2020
  8. pfm21

    pfm21 pfm21 build 2dof dinamic

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  9. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
  10. pfm21

    pfm21 pfm21 build 2dof dinamic

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    the ones I have now are 24v. i have 24v power supply and i am testing them with motomonster and it works without problem. yes, motomonster works up to 16v but it didn't give me any problems. I also tried fali to work with 12v power supply and they are fine all the same but I believe that with 12v they have less power right?
    Last edited: Jul 3, 2020
  11. pfm21

    pfm21 pfm21 build 2dof dinamic

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    This is my progress. Now I must assembly motor .

    Attached Files:

  12. pfm21

    pfm21 pfm21 build 2dof dinamic

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    Attached Files:

  13. pfm21

    pfm21 pfm21 build 2dof dinamic

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    I also reloaded arduino but it doesn't change. I noticed that on the motomonster board only the led of one direction turns on and dome if it does not have the reverse command. I also changed the card because I had another one. I also checked the wiring, but everything is correct
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
  15. pfm21

    pfm21 pfm21 build 2dof dinamic

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    I finally finished assembling the station. it seems to be working fine, but I have to adjust some parameters again to make it work perfectly. meanwhile, thanks to the forum that helped me a lot. then I will post the final parameters so maybe I can be useful to someone

    • Like Like x 1
  16. pfm21

    pfm21 pfm21 build 2dof dinamic

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    here is the test with the station. it moves a little too much so I try slowly to change something
  17. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Great to see your rig in action :thumbs

    You are correct, sometimes less is more when it comes to refining a motion profile: https://www.xsimulator.net/community/faq/steps-to-create-a-motion-profile.228/

    Once you have a good foundation motion profile you can also tweak it it for particular effects, such as a bigger TC Min than Max for surge, to mimic gear change effects: https://www.xsimulator.net/community/faq/snappy-gear-change-motion.121/
  18. pfm21

    pfm21 pfm21 build 2dof dinamic

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    I have to change the engines are too weak they can't move the person when I'm sitting. pity it seemed that I was finished instead I have to find good strong engines
  19. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I did mention the importance of torque for compact designs in my earlier comment: https://www.xsimulator.net/communit...f-dynamic-conversion.14910/page-2#post-201401

    SimCalc can be helpful in working out what motor specs are needed to drive a given design at a desired performance level: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/
  20. pfm21

    pfm21 pfm21 build 2dof dinamic

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    I am in Italy but you know in Europe where I can get them. I have seen those in Australia but shipping costs $ 100 like engines. two engines and shipping is about 300 usd