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Showroom 2dof foot mount sim powered by 12v Electric Jacks

Discussion in 'DIY Motion Simulator Projects' started by mariano68, Nov 1, 2015.

  1. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    I think the jacks are a very novel solution that seem to work well. It is a possible solution in places where other DC motor options are limited.
    • Agree Agree x 1
  2. mariano68

    mariano68 Active Member

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    It is really weird, here, a 12v 150W dc gear motor costs U$S300 (plus U$S300 on tax and shipping), while in Ebay costs U$S100 or less, and a 2ton 12v 120/150Watts jack here costs U$S40 and in Ebay no less than U$S70.
    Even I can get a good 50:1 gearbox for U$S100 to attach to this jacks and get a geared motor for U$S140.
  3. bsft

    bsft

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    Is it possible you can do a side video, say of just the front end of the sim, maybe a rally game run, example, Dirt2, Dirt3, that would show how well they could perform under really harsh motion.
  4. mariano68

    mariano68 Active Member

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    No problem, I will do it tomorrow.
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  5. bsft

    bsft

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    @mariano68 , so it looks something like this, where you can see how well they move
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  6. mariano68

    mariano68 Active Member

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    Let me meet my camera director to see if we can make it that way :)
    I have to learn how to make a video with screen capture and embedded web camera, because the motors and the monitor are at the same place, side by side and it would be impossible with just one camera.
    • Funny Funny x 1
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    OBS is free and will let you capture the screen and webcam video at the same time: http://www.xsimulator.net/community/faq/free-multi-source-video-recording.152/
  8. bsft

    bsft

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    Sorry, I didnt mean that specific, I was just suggesting something. Im a stupid sod.
    Ive used OBS software for mirroring a dash display from the main screen to a smaller screen. As the software is free, you need to run the game in a window, which may affect frame rates on screen. However, the software does work well
    • Like Like x 1
  9. mariano68

    mariano68 Active Member

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    It took me 3 hours to understand how to record the rift and Dirt rally at the same time, and get in the road as much as possible to get a semi decent video (the driving is awful, but it was a lot worst than that...). So, this is the best I can do for you today @bsft :)
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    Thanks for the new video.

    The jack motors look to be working well, what CTC lever are you using with them?

    Though I can't see the pivot point there still seems to be sideways deflection, have you worked out where it is originating from?
    • Like Like x 1
  11. mariano68

    mariano68 Active Member

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    It looks like to be on the Ujoint itself, but I have to check better.
    I'm using a 45mm lever.
    Also, can be that the 1,2 meter long lever from motors to Ujoint is putting too much force on that point. Anyway, I can feel every detail and I had to lower the forces to not rumble that much over details on asfalt, so, it works fine.
    In the "to do list"
    -get a ujoint from a rear transmission.
    -Get a good seat with seat belt.
    -Keep thinking in my next sim :D
    • Like Like x 2
  12. mariano68

    mariano68 Active Member

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    I did a new video dedicated to @bsft , pure furious electric jack power! Dirt rally off road to see jack performance over terrain changes.
    I'm uploading it right now, soon in a forum near you! :grin
    • Like Like x 1
  13. bsft

    bsft

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    Good stuff @mariano68 , looks like they are working well. Now I see what you did and my mistake, I thought you left the "jack" part on, but you removed it in favour of a lever. Sorry, Ididnt see that in the beginning. Well done on the video and thanks man. It looks good.
    Yes , maybe a proper uni joint is needed, and fiddle with profiles for sure.
    I just looked up the jacks on ebay, about $75 each here in Australia.
    I may buy one for checking out though, to see what gear ratio it has on it now and potentially how much it could lift.
    Interesting find and well done for implementing.
    • Like Like x 1
  14. mariano68

    mariano68 Active Member

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    Thank you @bsft !
    Gear ratio is about 50:1, 12v and a max 15A in the 2ton jacks.
    Now the video, lever behaviour over ice:
  15. bsft

    bsft

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    Wow, that looks really good, very twitchy! Fantastic, I may have to place an order for a pair of those.
    Cheers for the video, it really does show what they can do.
    Dave.
    • Like Like x 1
  16. mariano68

    mariano68 Active Member

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    Yeah!, and they are feeded with less than 12v as SMC3 settings:
    smc3 settings.jpg

    Maybe, it would be nice to see the car jacks added to the faq as another motor alternative to the wipers.
  17. bsft

    bsft

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    I take it they are already earth isolated then?
  18. mariano68

    mariano68 Active Member

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    Yes, they are already isolated.
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    • Useful Useful x 1
  19. bsft

    bsft

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    Well the price is right and hopefully they are available as much if not more than PGsaw motors, then with a bit of modding, yes, a good alternative to wipers. Considering how much those damn things cost. Wipers that is.
    • Agree Agree x 1
  20. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    • Like Like x 2