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New Rig build 2DOF and TL

Discussion in 'DIY Motion Simulator Projects' started by Alan Woolley, Mar 5, 2017.

  1. Alan Woolley

    Alan Woolley New Member

    Joined:
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    South Africa
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    331Coins
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    +15 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Hi everyone, been browsing this site for a few months and decided to take the plunge. I am starting to build the rig in the next few weeks. Progress will be rather slow as work commitments are pressing at the moment.
    I have decided more or less on a design and ordered the 200w motors from Motion Dynamics. Already received the JRK's. Will order steel this week and start welding and fabricating. Have just finished building the PC to run it, specs are i5 7600k processor, 16Gb RAM, GTX1080 GPU. Nothing much to show at the moment but will upload pics as I progress
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    That is a tried and true combination, I will look forward to following your build as it progresses.
  3. Pit

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

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    My Motion Simulator:
    DC motor, Arduino, 6DOF
    I edited the title prefix, "showroom" should to be used when the simulator is finished or at least partially finished.
  4. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Thanks Noorbeast and Pit.

    Yeah I hope the motors cope with my weight, I'm 130kg. .
    The motors I've ordered are 25:1. and plan is to run them 40mm CTC. Wonder if I should of gone for 50:1. Oh well too late now. Will see soon enough
  5. Sebj

    Sebj Active Member

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    My Motion Simulator:
    2DOF
    Hi, 25;1 will be ok for seat but get a 50:1 for TL
  6. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Thanks for that Sebj. Ive stumbeled across Boomslangnz build and Im thinking of doing the same with TL as well as Surge. Can someone who has a rig with surge comment on this? Is the surge worth the extra effort and cost? If i go this route Id like t build the simulator to accomadate this right from the word go and not have to modify it later. Well not such a major modification anyway. As fot the surge, Boomslangnz used linear bearings and DC worm motor. My question now is which motor for the surge? Motor with 50:1 gearbox? I want to order two more motors, aone with 50:1 gearbox for the TL as recommended by Sebj and also a motor for the surge. Shipping from Aus is really expensive and I dont want to order again. Thanks guys for responses so far

    T
  7. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    OK time for next step. Well a step back! The motors I ordered from a local supplier in SA. They were exact same as the 25:1 ones from Motion Dynamics.https://www.motiondynamics.com.au/worm-drive-motor-12v-24v-200w-180-rpm-20nm-torque.html
    Turns out theyre out of stock. Maybe not a bad thing? They do have these in stock https://www.motiondynamics.com.au/1...ve-geared-motor-200w-21-256-rpm-7.5-45nm.html. I am 130kg and was a bit worried that the 25:1 ones wouldnt be up to the task? The original 25:1 motors I ordered are listed as "COMMERCIAL" use. The ones that are in stock besides being 50:1, are listed as "INDUSTRIAL" use. Both the motor and gearbox are beefier than the Commercial ones. The one I'm looking at in particular is no.11. Torque. Speed etc all looking good? Nowma couple of concerns.... Firstly the motor in the 50:1 (second option) is physically bigger than the motor in the 25:1 one. With the motor armature being heavier, would this motor be able to change direction as quickly as the lighter 25:1 one? A bigger heavier armature obviously has more inertia to overcome when asked to change direction?
    And secondly.... Would the JRK's be up to the new motor? I've already received the JRK's so want to use them. Although both motors are listed as 200w, the first one is listed as 16A rated current and the second one as 23A. Dont really know how they both 200w with rather large differences in current rating.
    Is anyone using the "INDUSTRIAL" ones? And if so with JRK's?
    I'm really concerned about the smaller one not being able to cope with my 130kg. My rig will be a shoulder mount seat mover. Am I being paranoid and should I just go with the 25:1 when the dealer gets stock again or should I go with the 50:1 Industrial.
    Comments will be much appreciated
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Ratings:
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    My Motion Simulator:
    3DOF, DC motor, JRK
    Personally if that were my choice I would go 24V and Sabertooth. I really like my JRKs, but they have issues if pushed hard.
  9. Alan Woolley

    Alan Woolley New Member

    Joined:
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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Thanks for that Noorbeast. I hadn't considered 24v as I saw somewhere that 12v was the proven route to follow. But I think that was a rather old post. So what would I be looking at here? Sabertooth 2x60 and Kangaroo? Ive never used Arduino and don't know anything about them that's why I went with JRK's, for simplicity. From what I have seen, Kangaroo fairly straightforward. I definitely will consider 24v option and will in all probability go with it if its know to work well. Has anyone else used Sabertooth and Kangaroo?

    Thanks for help guys
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Ratings:
    +10,919 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    12V is fine, that makes PSU selection easier, I was actually thinking of the 320W when you said industrial, I should have looked at the actual link instead :confused:
  11. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    320W with Sabertooth 2x60 and kangaroo. Like the sound of that:)
  12. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Ok had my mind sort of made up and decided to go with 320w industrial motors. Sent Shane at Motion Dynamics a mail. This is what I sent to him:

    After more research I'm leaning more towards the 24v industrial motors for my application. 24v-3200rpm-50:1 gear ratio. My motion rig will be pretty heavy and I'm worried the 200w commercial ones won't be up to the task. I want my simulator to be as bullet proof as possible. Looking at industrial model #12. Your thoughts/advice?

    And his reply :
    Alan,
    the commercial ones are better in this regard than the industrial ones are because the industrial ones are bronze! and with the hard forward and reverse you WILL go over the rated torque of the gearbox!!
    The bronze will damage really easily but the commercial ones are made of Delrin! So that means that they not only have great strength! they also have great durability!

    The only way to really go better it o be moving to the heavy industrial! those would make the biggest impact but it would be hard to drive them!

    Best REgards
    Shane

    So back to square 1? I thought many guys were using the bigger gearboxes from the industrial range. Looks like I may just have to go with the 12v 200w option and see how it works. Just gonna kill me if they no good and and I have to get different motors. This is going to be a seat mover with arms at shoulder height. Near in mind again I'm 130kg. Should I proceed with the smaller motors?
  13. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    The 200W are well proven as fast and reliable for shoulder mount, which is why they are so popular here.

    I have used 50 and 60:1 boxes for years now. I had one that had an issue with brass gears that I detailed in my build thread. But neither its companion which did exactly the same work on the same rig, and the replacement have ever had an issue. So I would suggest there is a quality variable that comes into play.
  14. gigi

    gigi Active Member

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    My Motion Simulator:
    2DOF, JRK, 4DOF
    If you need two motors like the ones you already have but with ration 50:1 I have two of them for sell. See here
    https://www.xsimulator.net/community/threads/n-2-motors-150w-ratio-50-1-and-n-4-jrk-12v12.9668/
  15. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Thanks Gigi, at this stage im not decided on which motors yet. I did get a nice welcome home present when I got home today. My OSW had arrived from Tomo. What good service and fast shipping.
    osw parts.jpg
  16. gigi

    gigi Active Member

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    wowwowow!
  17. Alan Woolley

    Alan Woolley New Member

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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Got home today and had some goodies greet me. All arrived today! Ball joints, Motors from motion dynamics, JRK's, Caster wheels, F1 Steering and a pillow block bearing.
    I have been using the OSW since it arrived a few weeks back and all I can say is WOW! and that I need to get this rig built ASAP. I'm almost have everything that I'll need, just need to find a Universal Joint and a seat and waiting for a Sabertooth and an Arduino to be delivered. Will be ordering steel in the next week or so and then the build will begin. Really excited now
    20170503_175609.jpg 20170503_175627.jpg 20170503_175708.jpg 20170503_175828.jpg 20170503_175910.jpg
    • Like Like x 2
  18. Alan Woolley

    Alan Woolley New Member

    Joined:
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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    I bought myself a tig welder a couple weeks ago and been teaching myself to Tig. I'm at a level now where I'm comfortable to start welding the rig together so decided to make a start today. Some pics of the days progress
    20170513_121524.jpg 20170513_165845.jpg 20170513_202520.jpg
    • Like Like x 4
  19. Bastiuscha

    Bastiuscha Active Member

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    My Motion Simulator:
    6DOF
    Really nice. I will follow your build process. :)
  20. Alan Woolley

    Alan Woolley New Member

    Joined:
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    My Motion Simulator:
    3DOF, DC motor, SCN6, JRK
    Thanks guys. A pic of today's progress. Ran out of gas so work came to a grinding halt but I'm very pleased with the progress so far. Hopefully can get more done tomor

    Attached Files:

    • Like Like x 1