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Project 2Dof

Discussion in 'DIY Motion Simulator Projects' started by Bordiin, Sep 30, 2015.

Page 6 of 7
  1. Bordiin

    Bordiin Active Member

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    @shannonb1 This movement is from the joint, there is no loose in it. I'm going to make the panhard style rod to stabilize the twist. What did you mean to "have slop in your bolts holding it together" ?
    Bordiin, Mar 14, 2016
    #101
  2. shannonb1

    shannonb1 Well-Known Member

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    Because a u joint by nature is only designed to move in 2 directions. You actually have an additional twisting DOF with yours. This makes me thing that the u joint bolts could be lose and have slop or play in them. Think of a u joint like a knuckle. Your finger only bends straight. A u joint does the same but goes straight and then imagine turning it 90 degrees to front ot back and side to side. That twisting you have makes me think the seat, the joint, the mount..something isnt tight and its allowing the twist.

    Even better think about it like the thumb stick on an xbox control. It goes forw/back and side to side...sure it can also go for left, forward right back left and back right but AT NO time does teh thumb stick rotate clockwise or counter clockwise...if it did your control is broken. Using a U joint or Steering Joint should allow for that movement Im seeing. SOmething has to be loose.
    • Like Like x 1
    shannonb1, Mar 14, 2016
    #102
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    I agree with @Nick Moxley and @shannonb1, that looks too flimsy.

    You should also have the larger more robust U joint as close to the seat as possible.
    • Like Like x 1
    noorbeast, Mar 15, 2016
    #103
  4. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    You can always use an motor mount and a couple of rods also.
    Being that a motor mount is pretty heavy rubber, it adds a bit of upright tension to a heavier simulator.
    Unfortunately these are the best pictures I have of my old sim and this kind of setup.
    pic8.jpg

    Notice the arms are attached inline with the motor mount. And the arms are attached high enough on the frame so they bend in the same relative plane as the rubber motor mount. (or you may get some pinching)

    pic0.jpg

    The arms attach in the back of the chair also inline with the motor mount.
    -by rods I mean threaded rod with an aluminum tube sleeve and ball end bearings on the ends.
    Sorry I don't have better pictures of it.
    yobuddy
    yobuddy, Mar 15, 2016
    #104
  5. Bordiin

    Bordiin Active Member

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    I did the change that @noorbeast suggest, look at the video and the picture.
    I test with an 80kg guy, and the u joint looks fine, maybe to a heavier guy I need change the u joint.
    IMG_20160314_170305536.jpg
    Bordiin, Mar 15, 2016
    #105
  6. shannonb1

    shannonb1 Well-Known Member

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    Second thought, you have your motors really wide. You also have your motor arms on the inside. In general I find I have better performance when my motor arms are mounted on the outside.
    shannonb1, Mar 15, 2016
    #106
  7. Bordiin

    Bordiin Active Member

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    IMG_20160315_121643570.jpg
    Bordiin, Mar 15, 2016
    #107
  8. shannonb1

    shannonb1 Well-Known Member

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    No, I was referring to the lower mount
    shannonb1, Mar 15, 2016
    #108
  9. Bordiin

    Bordiin Active Member

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    Bordiin, Mar 16, 2016
    #109
  10. Bordiin

    Bordiin Active Member

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    My Motion Simulator:
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    Here it's my last video,
    Bordiin, Jun 2, 2016
    #110
  11. Bordiin

    Bordiin Active Member

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    Attached Files:

    Bordiin, Jun 16, 2016
    #111
  12. Bordiin

    Bordiin Active Member

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    I bought a new CV, and i made a new H bridge to 40A, follow the schema of the h bridge adn the picture of the new CV

    Attached Files:

    • Like Like x 1
    Bordiin, Jun 16, 2016
    #112
  13. Bordiin

    Bordiin Active Member

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    The G27 arrived :):):):):)
    The poject cars simulator is coming.

    Attached Files:

    Bordiin, Jun 21, 2016
    #113
  14. Nick Moxley

    Nick Moxley Well-Known Member

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    Yay for new wheel, but

    Assetto Corsa Motion > Pcars motion

    If you haven't tried AC...please do so...Your not likely to regret it.
    • Agree Agree x 2
    Nick Moxley, Jun 21, 2016
    #114
  15. Bordiin

    Bordiin Active Member

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    • Winner Winner x 1
    Bordiin, Jun 21, 2016
    #115
  16. Bordiin

    Bordiin Active Member

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    Test with project cars while the AC doesn't arrive :D
    • Winner Winner x 2
    • Like Like x 1
    Bordiin, Jun 27, 2016
    #116
  17. Blame73

    Blame73 Well-Known Member

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    Nice.
    One suggestion, move your head closer... it's behind the virtual neck. You can also bind buttons to do it
    • Like Like x 1
    Blame73, Jun 27, 2016
    #117
  18. Guillemin

    Guillemin Member

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    Nice !
    Whith the oculus, it's not complicated to play whith the head mouvment ?
    • Like Like x 1
    Guillemin, Jun 28, 2016
    #118
  19. Bordiin

    Bordiin Active Member

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    @Blame73 In the image maybe seems that i'm in the wrong position but in the headseat looks fine.

    @Guillemin in the first time it's little strange but you get used to it.
    Bordiin, Jun 28, 2016
    #119
  20. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
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    That bouncing on screen definitely looks wrong.

    And Since when is Spa Filled with Pot Holes ALL over the track....lol

    I highly suggest you watch a Real Onboard of a GT3/2 car going around SPA.
    Nick Moxley, Jun 28, 2016
    #120
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