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Seattime's Sims

Discussion in 'DIY Motion Simulator Projects' started by SeatTime, Mar 8, 2018.

  1. SeatTime

    SeatTime Well-Known Member

    Joined:
    Dec 27, 2013
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    Location:
    Newcastle Australia
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    26,002Coins
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    +2,473 / 23 / -0
    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    380mm before it hits the limit switches, but the placement of the actuators and sim frame design will have a large impact on how much actual sim movement you end up with.
    Last edited: Dec 27, 2018
  2. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

    Joined:
    Dec 11, 2016
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    612
    Occupation:
    3D Technical Director
    Location:
    Quebec, Canada
    Balance:
    5,136Coins
    Ratings:
    +603 / 5 / -0
    My Motion Simulator:
    6DOF
    Thanks. Yes, of course, this is not the final distance they will travel, but the distance they can. I don't think mine CAN travel that distance and I really wonder why. Anyway, I have other things to worry about, like communicating with the game... Anyway, thanks again for the info. I'm back to simtool documentation.
  3. Erik Green

    Erik Green Member

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    My Motion Simulator:
    6DOF
    Have you seen any wear on the carbon actuator tubes?
  4. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    Been a while since I have posted here as I have been so busy with other projects. Latest is that I have been having issues with my old 1280 USB controller (the new 1280 USB works fine) card which often seem to have a mind of its own, with some actuators pulsing and vibrating with noise when connected to game or simtools data (no issues when they are not receiving data) note - all firmware etc is up to date. Have now ordered three Arduinos which I will wire into a module that can be plugged into my rig and replace this 1280. Just putting this out there for information only.
  5. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

    Joined:
    Dec 11, 2016
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    612
    Occupation:
    3D Technical Director
    Location:
    Quebec, Canada
    Balance:
    5,136Coins
    Ratings:
    +603 / 5 / -0
    My Motion Simulator:
    6DOF
    Glad to see you around.
    Working on my carbon fiber platform, I'm wondering all the time will it be strong enough. Then I'm telling myself, Seattime did it. So, I convince myself to keep on on it (so I can fail with dignity).
  6. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    I have a long background of working with fiberglass - building fiberglass moulds etc for my various hobbies since my teens. Moving onto Carbon fibre was therefore not such a jump. I wish you all the best, although I feel you have really thrown yourself into the deep end for your first carbon fibre project :) with the forces involved in a motion rig. That 3M expoxy should not be supporting any weight only by itself. Some examples of some of my high stress carbon rig parts below.

    Image below of my Rear and front crossmember main support bonded/bolted to the fiberglass cockpit - single moulded piece cured under high vacuum, with solid carbon plate and rods embedded into the moulds.
    Rig Main Rear support.jpg


    Main front crossmember 'Cradle'
    New rig carbon cradle.jpg
    • Like Like x 1
    • Informative Informative x 1
  7. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

    Joined:
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    Occupation:
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    Quebec, Canada
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    +603 / 5 / -0
    My Motion Simulator:
    6DOF
    In deed, I am in deep... ends.
    Playing safe was never good for me. Let's hope I learn to swim fast.
    • Like Like x 2
  8. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    Finally went back to three Arduinos driving the 6DOF, as the old 1280 was acting erratically when receiving data. Everything is now working as it use to using the new Simtools Linear Hexapod plug-in. New 1280 is still driving part of the G -systems.

    old 1280 replacement.jpg
    • Like Like x 1
  9. SeatTime

    SeatTime Well-Known Member

    Joined:
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    +2,473 / 23 / -0
    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    With everything working fine, I have started to design a new sim capsule :rolleyes: (will be still using the 6DOF actuators ) - I do love the design/building process.:D It's mainly to improve access, as I and certainly my friends are not getting any younger :) and it can be a bit skinny to sit in for some with the HOTAS fitted. While I'm at it decided to improved weight and allow the fitment of a few new G system functions. Will incorporate all I have learned over the years in regard to access and simulation function. It will be very light - full carbon fibre frame with a integrated carbon fibre multi-movement G-paddle 'cradle' and harness system built into the capsule - Ie a standard seat will not be used. It will be built as a completely new capsule, so that it will just bolt up to the actuators - Stay tuned, this should be interesting :).
    • Like Like x 6
  10. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    +8,339 / 42 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    I always look forward to your innovative upgrades, they are truly ingenious in pushing the DIY motion sim envelope!
    • Agree Agree x 2
  11. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    Decided to start by build a 3D printed scale model of the rig - as carbon fibre is not cheap. It's a great way to better visualise how things will go together and hopefully catch any design issues.

    This will be the main backbone:
    Backbone 3d model 2.jpg

    Rig Backbone - 3d model.jpg
    • Like Like x 3
  12. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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    +603 / 5 / -0
    My Motion Simulator:
    6DOF
    You are not printing full scale, are you?
  13. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    Not necessary and I could not do it anyway - 10th scale. Its been good to have a look at it in the flesh, as I have now changed the design. It is always quite a iterative process.
  14. Pierre Lalancette

    Pierre Lalancette Lalancelot Gold Contributor

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    +603 / 5 / -0
    My Motion Simulator:
    6DOF
    I could not agree more. Doing mine was 1 hour of gluing followed by 3 hours of contemplation to figured out what would be the next part. It's almost done, but I have not yet dare to sit on it. It does look really strong, as I was not cheap on my cheap glue. I have almost finish the second big tube of it. I'll try it the day I will do my 600 km back home... one day.
  15. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    New Backbone design:

    New Rig Backbone 2 v5.jpg
    • Like Like x 1
  16. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    DC motor, Motion platform, 6DOF
    By adding some pultruded tubes/rods to increase the stiffness, have simplified the design to this:

    Backbone new rig 3 v1.jpg
    • Like Like x 2
    Last edited: Aug 18, 2019