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Low budget 2DOF Desk racer

Discussion in 'DIY Motion Simulator Projects' started by benj, Nov 11, 2014.

Page 3 of 3
  1. insanegr

    insanegr !N$@n€

    Joined:
    Jan 14, 2014
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    504
    Location:
    Athens
    Balance:
    16,718Coins
    Ratings:
    +499 / 1 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino
    • Useful Useful x 1
    insanegr, Nov 29, 2014
    #41
  2. Nick Moxley

    Nick Moxley Well-Known Member

    Joined:
    Dec 13, 2013
    Messages:
    2,779
    Occupation:
    Owner/Operator- Moxleys Rantals
    Location:
    Winnipeg Manitoba Canada
    Balance:
    17,055Coins
    Ratings:
    +2,505 / 30 / -2
    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
    There are also multiple Larger PSU's that can be found for relatively cheap on Ebay, For example the Dell poweredge 2950......750W @ 62A I paid 15$ each for them.

    These are also "redundant Supplies" meaning there's actually 2 Psu's inside and in case one fail's the other will pick up the load with out the source ever seeing it happen.


    Big 2950's

    http://www.ebay.com/itm/Lot-of-2Del...=US_Server_Power_Supplies&hash=item3ce9318f16

    Even Bigger

    http://www.ebay.com/itm/Lot-of-2-HP...=US_Server_Power_Supplies&hash=item5414fb045a
    • Informative Informative x 1
    • Useful Useful x 1
    Nick Moxley, Nov 30, 2014
    #42
  3. benj

    benj Member

    Joined:
    Oct 22, 2014
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    Location:
    UK
    Balance:
    44Coins
    Ratings:
    +42 / 1 / -1
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Very interesting, thanks everyone. My sabretooth is 2x60 but I only use that because it was lying about...I've no idea how many amps these wheelchair motors might draw and my multimeter doesn't do amps..

    Would anyone have any guess what a rig like this would need? I also run on 12v so not sure I need 2 supplies wired together.
    benj, Nov 30, 2014
    #43
  4. bsft

    bsft

    Balance:
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    motors usually draw 2.5 - 3 times the rated current depending on how harsh a motion profile you set.
    • Informative Informative x 1
    bsft, Nov 30, 2014
    #44
  5. benj

    benj Member

    Joined:
    Oct 22, 2014
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    Location:
    UK
    Balance:
    44Coins
    Ratings:
    +42 / 1 / -1
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I would just like to say....

    My mind has been blown!!

    :grin:thumbs:cheers

    Just spent a few hours tweaking profiles then a long session with Dirt 3 and Oculus Rift.

    So amazing!!!!! Unreal! This forum rocks :cheers:grin
    • Agree Agree x 2
    benj, Nov 30, 2014
    #45
  6. Blame73

    Blame73 Well-Known Member

    Joined:
    Nov 6, 2014
    Messages:
    1,213
    Location:
    Italy
    Balance:
    8,283Coins
    Ratings:
    +1,120 / 2 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    It surely does. I'm spending the little free time I have - I'm a brand new dad - searching through the forum and planning and building my first shaker.
    thanks again guys!
    Blame73, Dec 1, 2014
    #46
  7. benj

    benj Member

    Joined:
    Oct 22, 2014
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    Location:
    UK
    Balance:
    44Coins
    Ratings:
    +42 / 1 / -1
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    So it finally happened ;) After some serious abuse (big crashes, 4 hours or so gameplay) - my plates bent. No real surprise!

    What has been interesting for me is how solid these machines need to be. Any slight bit of play in a linkage is really noticeable. Any weak points will bend and break, and as you make one bit stronger, it reveals another weak point :nerd:)

    Being the un-skilled metal worker I am, I found these 5mm steel plates which are ideal for my upgrade. They come in various centre distances too! My trusty dremel can help to cut a keyway into the holes to keep them from rotating on the motor shaft.

    http://www.u-bolts-r-us.co.uk/125501-backing-plate-for-british-standard-gripping-u-bolt-1100-series

    [​IMG]
    Onwards and upwards!
    • Like Like x 2
    • Useful Useful x 1
    benj, Dec 3, 2014
    #47
  8. SilentChill

    SilentChill Problem Maker

    Joined:
    Jul 19, 2014
    Messages:
    2,643
    Occupation:
    Railway Maintenance
    Location:
    Morecambe, Lancashire, England
    Balance:
    20,560Coins
    Ratings:
    +3,488 / 34 / -0
    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF
    I know the feeling, I have had to replace all the brackets and levers on my rig they all bent or ended up cracking.
    SilentChill, Dec 3, 2014
    #48
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