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Pot issue?

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Michael, Oct 8, 2014.

  1. Michael

    Michael New Member Gold Contributor

    Joined:
    Sep 22, 2013
    Messages:
    3
    Occupation:
    Paper maker
    Location:
    St George Area Sydney
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    483Coins
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    My Motion Simulator:
    2DOF, JRK
    Hi to all

    I have purchased BSFT all in one rig earlier this year and only recently been able to get to use it. The issue I have is that once the unit is powered it doesn't stay level in game when not driving. I relearn the range for each levers but this didn't correct. I have checked all wiring and re-soldered, I also recently replaced the pots to 3 turn linear 5K pots (with current gearing this gave me a wider range of the pot). I also tried new JRK 12V12 boards and still the same result. I have checked settings in simtool and JRK and they are the typical values that people on this forum have advised. Any help would be appreciated.

    Michael
    Michael, Oct 8, 2014
    #1
  2. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

    Joined:
    Oct 2, 2013
    Messages:
    3,012
    Location:
    Switzerland
    Balance:
    30,451Coins
    Ratings:
    +3,091 / 31 / -0
    My Motion Simulator:
    DC motor, Arduino, 6DOF
    Hi Michael

    Did you change the 3 turn linear 5K pots from 1 turn pots w/o changing the transmission or are they similar?

    You mean the motors are holding position BUT every time in a different position?
    Pit, Oct 8, 2014
    #2
  3. Mazhar Salam

    Mazhar Salam Member

    Joined:
    Mar 27, 2014
    Messages:
    43
    Location:
    Melbourne
    Balance:
    907Coins
    Ratings:
    +24 / 1 / -0
    My Motion Simulator:
    2DOF, Arduino
    Even I am not able to understand your problem. Anyway assuming from your statement - I believe there is no problem at all. The sim is only trying to hold position. When you are not driving in game, both the motors will come to middle position and stop (that is powering of both motors). When the motor loses power, your sim may not be able to hold position and will move away from middle position and when it goes past the margin, the motor will power back on and come back to the middle position. this process will keep repeating and the sim will keep moving even if you are not driving. There are many ways to solve this problem, let us know if this is what your problem is.
    Mazhar Salam, Oct 8, 2014
    #3
  4. bsft

    bsft

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    @Michael , I sent you a PM with my phone number.
    • Friendly Friendly x 1
    bsft, Oct 8, 2014
    #4
  5. Michael

    Michael New Member Gold Contributor

    Joined:
    Sep 22, 2013
    Messages:
    3
    Occupation:
    Paper maker
    Location:
    St George Area Sydney
    Balance:
    483Coins
    Ratings:
    +0 / 0 / -0
    My Motion Simulator:
    2DOF, JRK
    Hi Pit

    Your on the right track, left hand side doesn't hold horizontal when in game and car stationary even after re learning feedback. Right hand side behaves as intended. I replaced 5 turn pots (5K) to 3 turn pots (5K), feedback is geared.

    David, will talk tomorrow.
    Michael, Oct 9, 2014
    #5