1. Hundreds of coffees, endless nights of debugging and coding, and countless feedback by our beta testers led to this new major release. SimTools 2.4 is probably the version with the most upgrades and improvements in a single release ever. Look at everything Dustin has included:
    SimTools 2.4 all features.
    Dismiss Notice
  2. For downloading SimTools plugins you need a Download Package. Get it with virtual coins that you receive for forum activity or Buy Download Package - We have a zero Spam tolerance so read our forum rules first.

    Buy Download Package Now!
  3. Do not try to cheat our system and do not post an unnecessary amount of useless posts only to earn credits here. We have a zero spam tolerance policy and this will cause a ban of your user account. Otherwise we wish you a pleasant stay here! Read the forum rules
  4. We have a few rules which you need to read and accept before posting anything here! Following these rules will keep the forum clean and your stay pleasant here. Do not following these rules will lead to permanent exclusion from this website: Read the forum rules.

Question Too much lash on motor shaft ?

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Arazok, Apr 9, 2019.

  1. Arazok

    Arazok Member

    Joined:
    Mar 26, 2018
    Messages:
    140
    Occupation:
    Computer scientist
    Location:
    Germany
    Balance:
    707Coins
    Ratings:
    +26 / 0 / -0
    My Motion Simulator:
    2DOF
  2. adgun

    adgun Active Member

    Joined:
    Jan 28, 2008
    Messages:
    382
    Occupation:
    mechanic
    Location:
    Netherlands
    Balance:
    4,655Coins
    Ratings:
    +84 / 3 / -0
    All wormgears have backlash some more than others
  3. bixler13

    bixler13 Member

    Joined:
    Feb 6, 2019
    Messages:
    43
    Balance:
    57Coins
    Ratings:
    +21 / 0 / -0
    I have the same problem with my setup. I fixed it by using bungee cords to keep pressure on the levers at all times in order to keep them on one side of the backlash.
  4. Arazok

    Arazok Member

    Joined:
    Mar 26, 2018
    Messages:
    140
    Occupation:
    Computer scientist
    Location:
    Germany
    Balance:
    707Coins
    Ratings:
    +26 / 0 / -0
    My Motion Simulator:
    2DOF
    Can you make a photo ?

    Would be good to see your solution.
  5. bixler13

    bixler13 Member

    Joined:
    Feb 6, 2019
    Messages:
    43
    Balance:
    57Coins
    Ratings:
    +21 / 0 / -0
    You can see the bungee cords in the following picture. They simply pull the back end of the seat down which in turn keeps pressure on the levers and keeps them on one end of the backlash.

    55932372_346634659527952_1491920966882689024_n.jpg
    • Like Like x 1
  6. Marc Lindgren

    Marc Lindgren New Member

    Joined:
    Jul 11, 2018
    Messages:
    6
    Occupation:
    R & D
    Location:
    Pennsylvania
    Balance:
    71Coins
    Ratings:
    +3 / 0 / -0
    Backlash is experienced when the motor changes direction, so I'm not understanding how this would help that. Could you explain?
  7. yellofella

    yellofella Member

    Joined:
    Aug 8, 2011
    Messages:
    35
    Occupation:
    builder
    Location:
    UK
    Balance:
    7Coins
    Ratings:
    +13 / 0 / -0
    My Motion Simulator:
    3DOF, SimforceGT
    by adding bungee cords to pull down and stop backlash you add to the amount of torque needed to lift the rear of the sim. surely the weight of a person sitting on the sim is enough to keep the backlash to a minimum like the bungees do with out adding to the torque needed to turn the motor. all wormgear motors have some backlash or they would be so tight they would wear the gears super quick or a tiny amount of debris would jam the gears and stop the motor. just my opinion but hope it helps