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X-SIM 360° 2DOF Motion Flight Pit with Arduino for DCS World

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by apointner, Aug 12, 2015.

  1. apointner

    apointner Siddhartha

    Joined:
    Aug 16, 2014
    Messages:
    108
    Location:
    N 48° 9'0.88" E 12° 5'45.84"
    Balance:
    717Coins
    Ratings:
    +35 / 3 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform
    Very good vid, i love smarter everyday!
  2. apointner

    apointner Siddhartha

    Joined:
    Aug 16, 2014
    Messages:
    108
    Location:
    N 48° 9'0.88" E 12° 5'45.84"
    Balance:
    717Coins
    Ratings:
    +35 / 3 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform
    Not so fast :) While flying inverted heave and tension system works almost like normal. So if you pull Gs inverted (e.g. Split-S) the Belt is pin-point you into the Jetseat with over 120kg force. It really feels like +3G in a real Aircraft even if you have minus 1G Earth gravity. To achieve this i had to add about 30% more force (i use heave datas with LP filter) while flying inverted (about 15% while flying 90° Bank) because you have to compensate the -1G.
    Additional at the same time the heave system pushes you up (out of the Seat ~10cm travelway).
    If you now push the Stick while flying inverted you butt kicks out of the seat (heave axis goas down and belts goas loose) and for a short moment you have real -1G ! Most Pilots screaming when this happens! :-D

    Conclusion: the minus 1 Gravity is not a big deal if you have a very strong tension system
    • Like Like x 1
    Last edited: May 21, 2020
  3. apointner

    apointner Siddhartha

    Joined:
    Aug 16, 2014
    Messages:
    108
    Location:
    N 48° 9'0.88" E 12° 5'45.84"
    Balance:
    717Coins
    Ratings:
    +35 / 3 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform
    • Like Like x 2