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3DOF motor size?

Discussion in 'DIY Motion Simulator Projects' started by WILLIAM DEITZ, Jan 9, 2024.

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  1. WILLIAM DEITZ

    WILLIAM DEITZ New Member Gold Contributor

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    My Motion Simulator:
    DC motor
    Has anyone tride this gearbox motor combo? It's 24v but only 120 watts. I have two of these and was thinking about picking up another to convert my rig to a 3DOF.

    Is the wattage too low?

    upload_2024-1-9_17-46-12.png upload_2024-1-9_17-42-32.png
    WILLIAM DEITZ, Jan 9, 2024
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I have not had any experience with these, but to give a bit of context a 3DOF requires a lot of torque, even on my compact 3DOF, which has assisted heave to take some of the load, I use 200w motors with 60:1 wormdrives.
    • Like Like x 1
    noorbeast, Jan 10, 2024
    #2
  3. Hyun Park

    Hyun Park New Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    Is the 3dof you mentioned meant for “heave”?
    I saw that this person made a platform with a 250w motor.
    https://www.xsimulator.net/community/threads/vadims-3dof.10253/
    I don't know if it was completed.
    I think I might not have enough strength.
    It seems that it should be used at a minimum of 350w 60:1 and a lever distance of 60mm or less.
    • Like Like x 1
    Hyun Park, Jan 10, 2024
    #3
  4. WILLIAM DEITZ

    WILLIAM DEITZ New Member Gold Contributor

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    My Motion Simulator:
    DC motor
    I agree. I'm going to look around for some 200 watt motors that will mate up with the gearbox.
    WILLIAM DEITZ, Jan 10, 2024
    #4
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Balance:
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    Ratings:
    +10,926 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Again for context, rather than direction, this is my compact 3DOF with assisted heave: https://www.xsimulator.net/community/threads/dx-compact-simulator.5866/

    Personally I believe more power is required for reliable unassisted heave and heavy users.

    While my rig has stood up well over time, technology has moved on, if I were to do it again now I would seriously consider servos with appropriate drives: https://www.xsimulator.net/community/faq/amc-aasd15a-servo-controller.351/
    • Like Like x 1
    noorbeast, Jan 10, 2024
    #5
  6. WILLIAM DEITZ

    WILLIAM DEITZ New Member Gold Contributor

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    My Motion Simulator:
    DC motor
    I was looking at doing a traction loss setup like what D-max (Dave) built on here. Sorry I don't have the link. I think servo is definitely the way to go. I spoke with the engineers at my work about my idea and there going to figure out the best and most cost effective approach would be. I plan on using the gearboxes I have, just replacing the motors.
    WILLIAM DEITZ, Jan 10, 2024
    #6
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Innovative tech specialist for NGOs
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    Balance:
    148,988Coins
    Ratings:
    +10,926 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    • Like Like x 2
    noorbeast, Jan 11, 2024
    #7
  8. Josh_Possa

    Josh_Possa Active Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Motion platform
    Hello, I'm building my own 3DOF rig, in fact I'm close to finish it. You can see the Milani's Fabio rig, I based mine on that.

    BTW, I choose 750W 60 rpm motors, you can see my build in my thread (I'll post the link soon as I'm writing it right now :) )

    Cheers
    • Like Like x 1
    Josh_Possa, Jan 11, 2024
    #8
  9. WILLIAM DEITZ

    WILLIAM DEITZ New Member Gold Contributor

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    My Motion Simulator:
    DC motor
    Thanks for the info Josh! I'll be checking it out once I get home from work.

    I think I have everything figured out except where to buy the motors from. Not trying to spend $500 for each motor!
    WILLIAM DEITZ, Jan 11, 2024
    #9
  10. Josh_Possa

    Josh_Possa Active Member

    Joined:
    Jan 25, 2021
    Messages:
    123
    Location:
    Catalunya
    Balance:
    572Coins
    Ratings:
    +35 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, DC motor, Motion platform
    • Like Like x 1
    Josh_Possa, Jan 11, 2024
    #10