1. 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 Now a Download Plan!
  2. 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
  3. 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. Do not follow these rules can lead to permanent exclusion from this website: Read the forum rules.
    Are you a company? Read our company rules

Question Min/Max Rotation needed -2DOF

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Snapdi, Oct 26, 2020.

  1. Snapdi

    Snapdi New Member Gold Contributor

    Joined:
    Feb 9, 2020
    Messages:
    7
    Location:
    Canada
    Balance:
    - 124Coins
    Ratings:
    +4 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    I'm in the middle of building a 2DOF sim using wiper motors. I'm unsure of of the amount of rotation i need to achieve. I'm wanting to use it for racing/helicopter simulation. Also, I'll be using VR too. I am just worried about under powering my rig for extra rotation I don't need.

    Side note, in Simcalc I am confused about the x-axis rod and motor position. Is it measured from the center? (so half the length), or the full length? (mount to mount).
    rodmount.jpg
    P.S. Is there a standard formula for optimal leverage/rotation?
  2. Ads Master

    Ads Master

    Balance:
    Coins
    Ratings:
    +0 / 0 / -0
  3. moaale

    moaale IAN MRTIN

    Joined:
    Jun 29, 2011
    Messages:
    99
    Occupation:
    NN
    Location:
    ARGENTINA
    Balance:
    375Coins
    Ratings:
    +32 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, SimforceGT
    You would have to make sure that the arm or whatever you want to call it, they stay in the center that it would be 50% above it would be 100% and below 0% it is understood the degrees you want them to move you give it a voice, look at it and go testing each axis It starts with 20% on the game engine / axis assignmaents part. It is not the same to walk slowly as hard if you go strong the movements will be more abrupt ... and to see where they have to start your viela you would have to put a couple of photos.
  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    15,804
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    115,446Coins
    Ratings:
    +9,228 / 46 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    You can use SimCalc to determine the impact of design on axis rotation: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/

    With VR and motion, speed and movement precision are far more important than large axis movements.
  5. Snapdi

    Snapdi New Member Gold Contributor

    Joined:
    Feb 9, 2020
    Messages:
    7
    Location:
    Canada
    Balance:
    - 124Coins
    Ratings:
    +4 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    Thanks for the responses! Was wondering what the average rotation I should be going for to simulate racing. eg. don't want to go for 15 degrees if I'll never go over 12 degrees. Getting over 10 for pitch seems difficult with short arms and shoulder mounts.
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    15,804
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    115,446Coins
    Ratings:
    +9,228 / 46 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    There is not really an average, rather it is a question of optimising for a given design, desired performance level and intended use, such as with VR.