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4 DOF (PITCH-ROLL-TRACTION LOSS-SURGE)

Discussion in 'DIY Motion Simulator Projects' started by Enrico, Mar 11, 2018.

  1. Enrico

    Enrico Member

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    Hi titomaky,

    ok thanks for your suggestion, I'll check tonight and i think probably you are true. Probably that pot is not correctly connected with the motor shaft.
  2. Enrico

    Enrico Member

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    Hi everybody, the problem with the wrong level of the rig is solved
    The pot wasn't correctly locked.
    I've also reduced the CTC. Was 100 mm now is 75.
    At the moment I'm having a lot of fun :grin:thumbs with GRID 2.
    I'm thinking to replace my wheel with one with a good ffb.

    Now it's time to think for surge and traction lost.
    The motors I have installed at the moment are 2 ZYT80 150 W.
    Do you think 2 more of these are enough for the 2 new movments or should be better have more W.
    I want always to use the JRK.

    Any suggestions ?
    Thx a lot guys
    • Like Like x 1
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    You can simulate surge with your current rig, or do you mean you are considering a separate surge axis?
  4. Enrico

    Enrico Member

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    Yes, the rig is already prepared with wheels for traction loss and sliding trolleys for surge

    [​IMG]
  5. Enrico

    Enrico Member

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    Hi guys after replaced my wheel with a thrustmaster T300 rx now I'm thinking about monitor.
    Do someone of you use this 49 inch curved Samsung ?

    maxresdefault.jpg

    What do you think about, better this or triple monitor?
  6. Danny255

    Danny255 Member

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    Hi Enrico :)
    I had same dillema as you last week.I could not decide,which will be better bigger,and smaller.In my opinion smaller is better(in you case 3 monitors).Because bigger monitors have bad smoothing frequency,and bad responce..it's harder to work with more pixels in one moment.Sure there are exists some big monitors with these good parameters,but their prince is expensive.I have bought 27"inch monitor from Acer,watching distance is about 1m,and its perfect.Smoothing frequency is 144Hz (suitable is 100 and more) and responce 1ms(thats absolutely best),bigger monitors have 5-8ms.Next good thing is,when you are saving your eyes with good frequency.Look at these parameters.and finnaly look at connectors,which you will need for triple monitor set.
    I hope it helped little :)
  7. Enrico

    Enrico Member

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    Thx Danny255 for your answer.
    The caractheristics of this monitor are also 144 Hz and 1 ms so should be ok for games
    The dimensions are as 2 27 inches monitors and the best price at the moment is 999€.
    I need to replace my old monitor so the money to spend for 3 27 inches or for this I think is the same. My question was about the immersion in the game.
    The Samsung is a curved monitor but with 3 maybe you feel more surrounded ...or not?:think:think
    And with one monitor only you have only 1 power supply cable and 1 usb in stead of three ...and 1 gpu only for manage it
  8. Danny255

    Danny255 Member

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    I didn't know,when you want to spend so much money:)..in this case,i would definitely choose one bigger monitor,with these parameters of course:)..you right..less cables and PSU is advantage:)
  9. Enrico

    Enrico Member

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    Hi everybody



    after long time I’m here again to share somthing and to have some suggestion.

    I haven’t replace my monitor yet and my rig is still 2 DOF.

    Few weeks ago my hard disk is gone (R.I.P.) and because my PC was really old I decided foe a new one. Here a picture of the new components.


    WP_20190214_18_32_23_Pro.jpg

    At the same time I decided to upgrade the rig with TL and surge.

    I though to use 2 gearmotors 24V 300/350W (I’m still searching the right type) and I would like to use JRKG2 18v19 or 18v27.

    Did someone already tested this board?

    Now there is another problem.

    I’m using for pitch and roll 2 gearmotors 12V 150W with JRK 12v12.

    Before to install again the Pololu sw on the new pc I have contacted directly Pololu asking if the new utility for JRKG2 is ok for the old JRK boards and they said that is necessary use 2 different utilities. One for JRK and one for JRK2.

    Now the question is, can Sim Tools manage this two utilities and drive correctly all the motors?

    Did someone of you already have had experience about this?

    Maybe is a stupid question but I’m not a sw expert.

    Thank you
    • Like Like x 1
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    SimTools can handle both the old and new JRKs just fine, but you can't run the JRK settings utilities at the same time as SimTools, as that would cause a port conflict.
  11. Enrico

    Enrico Member

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    But this means that SimTools could drive correctly all the motors in game?
    And I have to launch first one utility to adjust the "old motors" and then the other one for the new?
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Correct.
  13. Enrico

    Enrico Member

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    Hi guys,

    I have another question.
    How does the Sim Tools sway work?
    I think in this way but please correct me if is wrong.
    When you take a left turn the roll goes to the right and the sway goes to the left.
    Is it right?
    Sorry for all these stupid quastions but, as you probably have understood I haven't completly decided how to modify the rig
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Wrong way around, in a left corner sway leans away from th corner to the right, and roll is configure opposite to sway: https://www.xsimulator.net/community/faq/which-way-to-set-simtool-axis-movements.230/
  15. Enrico

    Enrico Member

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    Ah ok.
    I'm asking this because I would like to have another movement.
    I add a technical drawing...

    WP_20190217_09_37_22_Pro.jpg


    :grin:grin:grin

    The left one is the normal TL
    The right is what I would like. Another frame with a pivot in the back side and when you turn you have the front (..of the car) that "follow" the corner.
    Do you think is possible
  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Anything is possible, but I consider the effect would be weird.
  17. Enrico

    Enrico Member

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    ok
    I though should be nice during a drift or during a rally stage have the front of the car that goes in a direction and the back that move in another. My be I will test this option. With my frame is not to difficult add this movment.
    Thanks
  18. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    That is the sensation you will get with TL.
  19. hannibal

    hannibal Active Member

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    I am following you build. Your design gives me idea for my own 4DoF
  20. Enrico

    Enrico Member

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    ...more ideas more fun:thumbs:thumbs:thumbs:cheers
    let us know about:popcorn