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Question fd"Foldable" Only compact G-Seat

Discussion in 'DIY Motion Simulator Projects' started by Henrik, Oct 30, 2017.

  1. Henrik

    Henrik New Member Gold Contributor

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    Due to lack of space in a small apartment, and an urge to have an more immersive VR-racing experience i have decided to try to make a G-seat.
    That have a foldable backrest, that is easily moved out of the way.
    It is all thanks to this forum i got the inspiration and, a "i have to try to do this" attitude.:)
    Tho i have very limited programming experience.

    So this weekend i couldn't hold myself and ordered a bunch of stuff off E-bay.

    Arduino Nanos, 5 of them (i have some other ideas as well)
    https://www.ebay.com/itm/1PCS-mini-USB-Nano-V3-0-ATmega328P-CH340G-5V-16M-micro-controller-Arduino/191773759569


    Servos 28KG/cm, 6 of those. They were relay cheep, so i hope they are up for the job.
    https://www.ebay.com/itm/CYS-S8503-...5-Redcat-HPI-Baja-5B-RC-Car-A0V7/302144464463

    A 7.5V 20A PSU
    https://www.ebay.com/itm/150W-7-5V-20A-Single-Output-Switching-power-supply/222243221102

    3Pairs of links
    https://www.ebay.com/itm/Silver-Upg...r-HSP-RC-1-10-Car-Set-of-2-BQLZR/263234569613


    And some Servo extension wires
    https://www.ebay.com/itm/10Pcs-300m...RC-Futaba-JR-Male-to-Female-30cm/253230044280

    All of that will arrive in ruffly a month, so i have plenty of time to design the seat itself.



    (I apologize, for bad English, I am from Sweden)
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  2. Henrik

    Henrik New Member Gold Contributor

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  3. Henrik

    Henrik New Member Gold Contributor

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    I have finally begun the manufacturing of som parts for the chair :)
    Yeah, the arm on the large motor could be a bit longer.. :rolleyes:
    The last pic is the very expensive and over complicated weldingtable iv used for the arm :D

    I am still working on the design in cad, but som parts are starting to come together.
    The concept is somewhat unusual..






    IMG_4037.JPG IMG_4036.JPG IMG_4038.JPG IMG_4039.JPG IMG_4040.JPG IMG_4042.JPG IMG_4043.JPG IMG_4044.JPG IMG_4045.JPG IMG_E2809.JPG
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  4. Trigen

    Trigen Active Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    Interesting project. Looking forward to seeing how compact it will be. Im quite curious to see how the heave of the whole thing will be. Currently i have all the heave forces in the flaps but ive been wondering about adding a motor to push the whole thing up and down as the flaps mostly just push you out of the seat. Im using an office chair that has so much weight on it now that i have to slightly help it up (when not sitting in it) when i unlock the raise piston so i may add some compression spring to offset the weight.

    What kind of setup are you thinking about?
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  5. Henrik

    Henrik New Member Gold Contributor

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    Thank you for your interest in my endeavor with this projekt.
    I will try to explain my thoughts.
    I have actually ditched the foldable part of the chair ( i will change the sign) . But it will fit under the desk.
    Here are some pics from early CAD sketching.

    First pick, chair from side under desk.
    Second first, is seat from behind, and last second is the motor with axel, arms, and a spring.


    stol1.jpg
    stol2.jpg
    The heave motor is on the right side of the chair connected to a heave axel.
    The chair has a bearing on each side of the knees, and the heave axels arms are attached under and behind the butt.

    The travel under the but is 50mm upp and down.
    The idea is to have the chair under the desk, and pull it out when needed, and the wheel mounted on a "drawer" to pull out as well.

    I hope i am making my ides a bit clearer, for those who are interested :)
  6. Henrik

    Henrik New Member Gold Contributor

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    Here are som pics of the ongoing produktion of the heave axle


    IMG_4050.JPG IMG_4052.JPG IMG_4053.JPG
  7. Henrik

    Henrik New Member Gold Contributor

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    Progress!


    IMG_4037.JPG IMG_4162.JPG IMG_4203.JPG IMG_4660.JPG IMG_4749.JPG IMG_4890.JPG IMG_4891.JPG IMG_4929.JPG IMG_4930.JPG IMG_4931.JPG IMG_4932.JPG IMG_4933.JPG IMG_4934.JPG IMG_4935.JPG IMG_4936.JPG IMG_4937.JPG IMG_4938.JPG IMG_4967.JPG IMG_5092.JPG IMG_5237.JPG IMG_5249.JPG IMG_5265.JPG IMG_5266.JPG IMG_5267.JPG IMG_5268.JPG IMG_5269.JPG IMG_5270.JPG IMG_5271.JPG
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  8. Henrik

    Henrik New Member Gold Contributor

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    I burned tow of the RC-servos, so i am taking out the boards from the servos and putting them on a "heatsink" And fixing som cooling for the motors.
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  9. Henrik

    Henrik New Member Gold Contributor

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    I have a question.
    Is there a way to have the heave start position in game at like "-1"
    I want the seat to be abit lower when driving without taking out to much movement.
    The seat position is abit high while driving strait.


    I could make it lower, but because of limitations downwards it wouldn't be much movement.
  10. Henrik

    Henrik New Member Gold Contributor

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    Some progress with the fabric.
    I am waiting on parts for the servo board extraktion. An this is very time consuming.... :roll




    IMG_5397.JPG IMG_5399.JPG IMG_5400.JPG IMG_5401.JPG IMG_5403.JPG IMG_5404.JPG IMG_5405.JPG IMG_5406.JPG
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