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2Dof DIY Seat mover + Race/Flight Rig

Discussion in 'DIY Motion Simulator Projects' started by BlackUlrich, Dec 7, 2023.

  1. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
    Messages:
    6
    Occupation:
    Indie Game Dev
    Location:
    Costa Rica
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    51Coins
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    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    This is a project I decided to do quite some time but I started just a month ago

    My plan was to make a seat mover similar to the Dof Reality M2 and attach it to rig
    I have little space in my room so it must be compact M2 - Reference.jpg

    I had a previous Rig with an office chair attach to it, but was unconfortable after 30 min of use and it was a little bit longer than what I needed Old Rig 2020.jpg

    So my new rig must be shorter, more confortable (if I can) and I decided to build my own seat mover

    I made a 3D reference model to take some measures and visualize how will it look 3D Reference model.jpg

    And I started making the M2-like seat mover with some square tubing, metal angular bar, lots of welding and a universal joint
    IMG_20231110_182516630_HDR.jpg IMG_20231110_184454048.jpg IMG_20231118_193722488.jpg IMG_20231119_152712999.jpg IMG_20231119_155616716.jpg
    For the motors I will use some wiper motors as apparently they can do the job, if not I will do some modifications for now and maybe later I can buy more strong motors

    IMG_20231128_003422053_HDR.jpg

    I remove all unnecesary parts to make them look clear

    IMG_20231128_003447818_HDR.jpg

    And i paint them in black just because

    I didn't install them yet because I must to some kind of attachable supports but I'm currently working on it

    For the rest of the rig I did it modular because if I need to add parts or modify something it's easier to just screw/unscrew the part i need

    First I made the frame based on my 3D model measures
    IMG_20231129_182844615.jpg
    This frame (now) holes for ajusting the pedals/steering wheel distance from the seat

    For the steering wheel i made 2 columns (I don't know how to call them) to ajust the distance and height
    IMG_20231129_182853091.jpg IMG_20231129_182933836.jpg IMG_20231201_160018788.jpg
    And to attach the steering wheel a little bit stylish structure that was harder than I though

    IMG_20231201_172651774.jpg

    For the seat mover part I attach my gaming chair using the ajustable rails of a car seat and the car seat is my new pc chair, this is because the gaming chair is lighter

    IMG_20231128_102227247.jpg

    and for now it looks like this

    IMG_20231203_173830439_HDR.jpg IMG_20231203_173844048_HDR.jpg

    I use some metal wires to secure the chair while I work in the motors support

    I have more footage but I want to make maybe a video of the process if it works fine

    And one more thing, I must see how I can attach this H-shifter and HOTAS to my rig because I want to make something versatile, a unique simulator that I can use to cars and spaceships, I play usually assetto corsa/competizione, project cars and Elite Dangerous
    IMG_20231203_174614773.jpg

    And I have some transducers for rumble, that's the easy part so I don't have pictures yet but I must test if I use metal or wood for better results

    That's all for now

    I can take any suggestions or if something is wrong, let me now what do you think xD
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
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    21,142
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    148,547Coins
    Ratings:
    +10,902 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Just something you may have to contend with, the more compact a rig the more torque that is required to drive it, so the design may end up being a challenge for the wiper motors, depending on the total mass.
  3. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
    Messages:
    6
    Occupation:
    Indie Game Dev
    Location:
    Costa Rica
    Balance:
    51Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    You have a point, I don't know exactly where I'm gonna put those motors, depending of its performance but if those motors doesn't work for a compact rig I will use them temporary in their optimal location while I get better ones
  4. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
    Messages:
    6
    Occupation:
    Indie Game Dev
    Location:
    Costa Rica
    Balance:
    51Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    This is what Iwas working these days
    IMG_20231221_201546662.jpg
    A structure to attach my wiper motors toy rig
    Theorically both are the same
    But in practice one have more torque than the other at least when they are shutdown

    This is how it looks like
    IMG_20231221_204836281.jpg

    I have to test them first to really know how they perfom
    • Like Like x 1
  5. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
    Messages:
    6
    Occupation:
    Indie Game Dev
    Location:
    Costa Rica
    Balance:
    51Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    I had an idea
    I don't know much about dampering
    And I didn't test those motors yet
    But in case they aren't strong enough, is it possible to use some springs or bungee cord or something to reduce the torque the motors need to?
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    21,142
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    148,547Coins
    Ratings:
    +10,902 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    It is possible, but the challenge is to calibrate whatever is used perfectly, otherwise it can be an additional force the rig is trying to work against.
  7. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
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    Occupation:
    Indie Game Dev
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    Costa Rica
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    51Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    That's just what I wanted to read XD
    I was overthinking yesterday about this possibility

    The seat was balanced with me on it, so theorically i should be able to add some kind of springs/bungee cord/whatever I find to aid the motors

    Anyway XD I though I had a monster motoshield... but no... So i have to order it, I don't know how many amps this wiper motors use and I have a 5-36v 2A motor controller but I'm pretty sure is not enough, my motors are apparently 12v and that's all the information I have
  8. BlackUlrich

    BlackUlrich New Member

    Joined:
    Nov 28, 2023
    Messages:
    6
    Occupation:
    Indie Game Dev
    Location:
    Costa Rica
    Balance:
    51Coins
    Ratings:
    +1 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Ok XD I test the apparently "weaker" motor with my brother (which weights less arround 10kg less than me) and the motor can push him up without any problem so.. maybe my this will work better than expected (I need to secure my motors supports correctly first to test them better because they are held together with just a single screw right now)
  9. poumpouny

    poumpouny Member

    Joined:
    Jun 27, 2023
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    Balance:
    85Coins
    Ratings:
    +26 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    I'm using wiper motor and a 12v30amp PSU, and there is no way my rig could move with me (72 Kg) on it, cause even now with a shoulder mount style, the motor still struggle. you realy need to test it in game to be sure it is enough caus if you just try it with the motor spinning, you don't really know, the most demanding is when you roll rapidly from on direction to the other and the back to the center position, my 2motor get stuck on the low position when doing such ! but it may be my motor also, so it depends ....
    • Useful Useful x 1