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need help,what motorshield driver for my worn motor,2dof rig.

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Lennart, Oct 7, 2019.

  1. Lennart

    Lennart New Member

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    hi. the rig is soon done so wondering of what motorshield driver can i use for this motor?
    its possible to use 1 moto monster dual driver for both motors?


    upload_2019-10-7_18-16-40.png
    upload_2019-10-7_18-17-23.png
  2. Ads Master

    Ads Master

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  3. Qlittles

    Qlittles Active Member

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  4. Lennart

    Lennart New Member

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    Are you sure??
    60 rpm and 48nm is enough.
    Theese motors are they using on the dof reality rigs, simukits are using Theese specs..
    So i dont think i need a New motor..
  5. Lennart

    Lennart New Member

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    The motor you are referring to is between 30-40nm , mine is as i Said 48nm, with 24v this motor should do the Job.
  6. Qlittles

    Qlittles Active Member

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    Ah, sorry! I just looked at the first set of specs without the gearbox. Yes, these are fine, but it looks like you need to drive them at 24v to get 60rpm? You can also drive them at 12v if you add additional gears, but I hear you can lose some detail. Or, you can lengthen the arm with 12v for faster response. I guess it all depends on if 12v is fine for your rig. Also, each chip on the moto monster drives 1 motor. So, since each MM has two chips, if you have an MM board that fully works, you just need one board. For mine, I had faulty MM's, so I use one chip from one full board for one motor, then another working chip from another MM for another motor.

    I think the easiest solution is to get a board that is 24v like sabertooth. Its pricey, but you don't have to go through the trouble of finding a working MM AND you get 24v for full speed.
  7. Gadget999

    Gadget999 Active Member

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    Are you using sim tools ?

    Which motor driver do you run already ?
  8. Qlittles

    Qlittles Active Member

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    Yes, I use simtools, with smc3 on the arduino and MMs to drive the motors (wiper motors)... oh wait, were you asking the OP?
  9. dieser

    dieser Member

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    I‘m new to the motion-sim world.

    finding the right motor is so frustrating.
    i wonder what‘s the most important specs on a motor...
    is it watts or rpm or nm?!:(
    i wonder why a 12v 40w wipermotor are powerful enough to move a seat and specs seen here are mostly 24v 200 or more w...

    could a simple ibt-2 driver handle the job here?
    i ask myself the same questions like you do...
    Last edited: Jan 29, 2020
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    What motor you need is related to design decisions, so use SimCalc to help get your head around design Vs physics: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/