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Thread: Jumping jack compactor - GIF

  1. Jan 27, 2020, 11:01 AM #1
    Altair
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    Jumping jack compactor - GIF

    Jumping jack compactor/tamper.



    1:30 video:



    Previously:

    1964 Tree stomper by R.G. LeTourneau
    Ride-on roller attachment for tractor - photo
    Warsop Benjo power rammer - video, patent, diagram

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  2. The Following 2 Users Say Thank You to Altair For This Useful Post:

    nova_robotics (May 18, 2022), Scotsman Hosie (Feb 2, 2020)
  3. Jan 27, 2020, 06:20 PM #2
    hemmjo
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    That looks like a diesel powered jumping jack. But it must be gas powered since the guy said the sparkplug wire keeps coming off.

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  4. Jan 27, 2020, 06:47 PM #3
    jdurand
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    I remember a gasoline powered pogo stick when I was in engineering class back around 1973. We studied how it worked, no spark plug, just a wire that sparked to the piston at the top of stroke.
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  5. Jan 28, 2020, 08:47 AM #4
    baja
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    A guy I worked for 40 years ago called those a Tfote...the feet of a thousand elephants.
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  6. Feb 2, 2020, 02:02 AM #5
    Liquidhandwash
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    looks like a movie prop from star wars
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  7. Feb 2, 2020, 05:48 AM #6
    Scotsman Hosie
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    Guaranteed to crimp steel toed boots, onto both feet – in a one step operation.



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    Last edited by Scotsman Hosie; Feb 2, 2020 at 05:51 AM.
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