Ultra High Performance Double Pendulum

Science Workshop
Ultra High Performance Double Pendulum
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We covered Flickr user yamamo2’s (and his father’s) first high-performance double pendulum build back in 2009. The first version would swing for about 10 minutes, without added energy, after being started. The latest version swings for fully twice that, as the embedded video—all twenty-two minutes of it—thoroughly demonstrates. I haven’t seen any info about the design changes required to achieve this level of performance, unfortunately.

Make: Projects — Double Pendulum

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2 thoughts on “Ultra High Performance Double Pendulum

  1. Fred Stone says:

    Wow, that reminds me of the old XSpringies toy from Linux.

  2. McAllister Pulswaithe says:

    The last full rotation of the jointed arm was at about 2:06

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I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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