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Teddles VR Haptic Rig

Discussion in 'DIY Motion Simulator Projects' started by noorbeast, Sep 18, 2019.

  1. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

    Joined:
    Jul 13, 2014
    Messages:
    13,457
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    101,612Coins
    Ratings:
    +8,466 / 41 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    My 88yo father, affectionately known as Teddles, is the oldest student pilot in Australia and loves War Thunder.

    I am deeply grateful to @Ville Pesonen for updating War Thunder to include Game Vibe support, and to @yobuddy who extended SimTools Game Vibe to include common flaps, landing gear and guns. Teddles got to test the pre-release War Thunder plugin at Christmas 2018, and was amazed at how effective haptics can be in VR, even without motion. The War Thunder plugin update inspired the new VR Haptics rig for Teddles.

    The criteria for the rig were that it had to be simple to get into and operate.

    The basis of the rig is one of these pretty cheap race style office massage chairs, as they have 8 built in rumble motors: https://www.ebay.com.au/itm/Compute...005065&hash=item5d8dcd9e40:g:-CMAAOSw6eJdJapz

    An additional 2 rumble motors were added under the pedals.

    The rig itself is pretty simple, the office chair legs simply slip into the pedal base and the slots and shape of the chair legs lock it in place.

    20190602_150123.jpg

    The joystick post pivots and locks to the chair with a simple thumbscrew. Once undone the chair can fully rotate, to make it really easy to get in and out of. I added another thumbscrew to the seat back mount, so it can also fold down, which makes this a simple rig to put away or transport.

    20190602_151142.jpg 20190602_151257.jpg 20190603_152841.jpg

    The throttle stand is square tube and in addition to the throttle mount it also has a Aidata swivel mouse pad, again to make it easy for dad to use in VR: https://www.ebay.com.au/itm/Aidata-...ouse-Pad-De-/233288259879?hash=item3651105927

    The pedals use car seat rails to move fore and aft, with two bolts to adjust the tilt angle.

    The screen mounted wind simulation is handled by 2 X 120mm 4000RPM fans, they push out a surprising amount of air for a cheap system, enough to make Teddles complain about it being too cold to use them in the winter: https://www.ebay.com.au/itm/12V-400...tion-Fan-AU-/152944347332?hash=item239c3188c4

    The 3D printed fan shrouds can be found on Thingiverse: https://www.thingiverse.com/thing:2884277

    20190811_230322.jpg

    The rumble motors and wind simulation are both handled by an equally cheap I2C TB6612 Stepper Motor PCA9685 Servo Driver Board Shield, which plugs directly into an Arduino: https://www.ebay.com.au/itm/I2C-TB6612-Stepper-Motor-PCA9685-Servo-Driver-Board-Sheld-V2-F-Arduino-Robot-PWM/262691494510?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

    An Aura 50W transducer I had laying around is also used with Game Vibe.

    20190602_151435.jpg

    I have all the parts to add a pneumatic G-Seat, but have not yet had the time to put that together. I will shortly be ordering Teddles a 2080ti, so he can take full advantage of the Pimax, which now has the Deluxe Audio Strap mod.
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    Last edited: Sep 19, 2019
  2. MarkusB

    MarkusB Active Member Gold Contributor

    Joined:
    Jun 30, 2015
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    404
    Location:
    Germany
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    3,002Coins
    Ratings:
    +355 / 1 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    This is a really nice project, perfectly optimized for simple setup, operation, and getting in and out. :thumbs
    I also like the little space it needs.

    Now I am curious about the pneumatic G-Seat you are planning. Will it be based on such pneumatic bladders that are already in used on some rigs? (I also have one installed at the moment.)
  3. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

    Joined:
    Jul 13, 2014
    Messages:
    13,457
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    101,612Coins
    Ratings:
    +8,466 / 41 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Yes @MarkusB the pneumatic G-seat will be based on bladders.

    As you note this is a pretty cheap, compact and simple rig for Teddles, or anyone who wants a cost effective and fairly compelling step up from a static rig for VR use.

    Teddles has years of experience with VR and my compact DIY 3DOF motion rig, but did not know that he was the Xmas pre-release War Thunder Game Vibe tester, with the Game Vibe haptics working so well in VR he genuinely thought he experienced motion, even though it was turned off:

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    Last edited: Sep 19, 2019