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2 DOF lounger for DCS

Discussion in 'DIY Motion Simulator Projects' started by TWB, Dec 21, 2020.

  1. TWB

    TWB Member Gold Contributor

    Joined:
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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I built a 2 DOF motion platform utilizing "over the counter" cheap components when able. Or I made components to spare a couple bucks.
    Last edited: Dec 21, 2020
  2. Ads Master

    Ads Master

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  3. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    1210202302_HDR.jpg Here is the final product.
    Last edited: Dec 21, 2020
  4. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Here are the build images and components assembled. 1119201522_HDR.jpg 1119201521a_HDR.jpg 1119201536_HDR.jpg 1120201023_HDR.jpg 1120201024_HDR.jpg 1120201024a_HDR.jpg 1120201439_HDR.jpg 1120201714_HDR.jpg 1120201714a_HDR.jpg 1120201716_HDR.jpg 1121201156_HDR.jpg 1121201156a_HDR.jpg 1124201855_HDR.jpg 1130200825_HDR.jpg 1130200957_HDR.jpg
    • Like Like x 1
    Last edited: Dec 21, 2020
  5. TWB

    TWB Member Gold Contributor

    Joined:
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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    1130201004_HDR.jpg 1130201016_HDR.jpg 1201201200_HDR.jpg 1201201201_HDR.jpg 1201201201b_HDR.jpg 1204200927_HDR.jpg 1205201231_HDR.jpg 1205201231a_HDR.jpg 1205201231b_HDR.jpg 1207201011a_HDR.jpg 1207201011_HDR.jpg More build images.
    • Like Like x 2
    Last edited: Dec 21, 2020
  6. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I utilized these links for the build.

    https://www.xsimulator.net/communit...3dof-motor-driver-and-windows-utilities.4957/

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

    For the motor isolation I just cut the wire to the slow mode brush and crimped the brush guide. I verified no continuity to case existed from either terminal and also verified the motor is operational.

    On this style of motor there is a metal ring plate mounted under the circuit board seen (brushes mounted on). The solder junction on the back of the circuit board is large and when assebmled will cause the power to ground readings (engineered that way). I removed this continuity by cutting the wire as stated above. I tested for continuity from multiple points at both terminals with complete isolation.

    1220201544a_HDR.jpg 1220201544_HDR.jpg
    • Like Like x 1
    Last edited: Dec 21, 2020
  7. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Up next are all my settings and also my plugin used. I use the DCS-Experimental plugin.

    I have perfect range of motion that has given me the falling sensations I searched for. I have excellent ground effects for runway, taxi way bumps. Landing/ take off has great vertical accelerations in the "bottom dropping" sensation. Thanks all for your contributions!!! You make my VR experiences amazing and I feel like I'm piloting!!!!
    Last edited: Dec 28, 2020
  8. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    It has pitch, roll, yaw, surge and heave. Heave is set so low that it is neglected in flight, but thanks to the DCS- experimental plugin I am able to set the accelerations high to feel on ground effects
  9. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
  10. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    One thing I did not think of prior to getting both motors in sync. Rather than manually rotating the potentiometers to move the motor up or down when energized I will do this:
    1. Turn off all electrical power to the motors to avoid death.
    2. Start SMC3 and null all pots.
    3. Remove the wiper motor cover, (field).
    4. Rotate the armature and watch the output shaft rotate on an upswung.
    5. Position motor output shaft where you want the platform null. (Level)
    6. Put cover back on.
    * do steps 2-6 with each motor ensuring motion adjusted is in same direction to remove backlash.
    7. Connect motor to pots.
    8. Connect power and test motion via SMC3 utility. Follow procedures by developer.
    Last edited: Dec 28, 2020
  11. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    1220201724_HDR.jpg 1220201731a_HDR.jpg Positioning the PVC and flanges to make the throttle and stick mounts.
    • Like Like x 1
    Last edited: Dec 21, 2020
  12. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Motor and potentiometer setup views. 1220201724a_HDR.jpg
    • Like Like x 1
  13. TWB

    TWB Member Gold Contributor

    Joined:
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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Desktop Screenshot 2020.12.21 - 11.22.35.43.png Desktop Screenshot 2020.12.21 - 11.23.33.57.png Desktop Screenshot 2020.12.21 - 11.23.43.64.png Desktop Screenshot 2020.12.21 - 11.24.28.46.png Desktop Screenshot 2020.12.21 - 11.24.35.33.png Desktop Screenshot 2020.12.21 - 11.24.45.57.png Desktop Screenshot 2020.12.21 - 11.24.55.58.png Desktop Screenshot 2020.12.21 - 11.25.10.62.png Desktop Screenshot 2020.12.21 - 11.25.23.75.png Desktop Screenshot 2020.12.21 - 11.25.34.47.png Desktop Screenshot 2020.12.21 - 11.30.58.40.png Desktop Screenshot 2020.12.21 - 11.31.07.48.png Desktop Screenshot 2020.12.21 - 11.31.12.22.png Desktop Screenshot 2020.12.21 - 11.31.19.54.png Desktop Screenshot 2020.12.21 - 11.31.23.65.png Desktop Screenshot 2020.12.21 - 11.31.27.75.png And lastly the settings for SMC3 and SimTools.
    Last edited: Dec 21, 2020
  14. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
  15. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    A crude BOM/ prices. BOM.png
  16. Sam Neall

    Sam Neall Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I love the lawn chair design. It looks very comfortable.
  17. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Haha, cracks me up everytime I look at it. It is light and is surprisingly comfortable for 3 hour flights. And I like the cable management for VR as it easily clears the back of the chair.
  18. Sam Neall

    Sam Neall Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    It is certainly better than the wrecked tractor trailer seat I used for my sim lol. What VR headset are you using?
  19. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    HP Reverb.
  20. Sam Neall

    Sam Neall Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Nice. I'm sure you are enjoying the pixel density on it. I've been trying to get my Quest 2 to work with Link for a couple months with no luck. I'm considering getting a pc tethered headset myself.
  21. TWB

    TWB Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Is it the cable? I did have the original Quest and a certain USB-C was required. I am guessing they did not ship the Quest 2 with the right cable?

    The Quest 2 is supposed to have good resolution too. I hope the solution finds its way to you soon.