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Author Name: BoingBoing
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License: CC-BY-NC-SA 3.0.[2]


How to spin a Lego wheel at 19,000 RPM by hand

2022-04-12 00:00:00

The Brick Experiment Channel posts videos about doing interesting things with Lego bricks. Last year they made a gear train with 186 Lego gears. The motor spun at 375 RPM. Each gear reduced the RPM. The fourth gear spun at 1 RPM. The final gear ratio was 1.034 googol:1.

The latest video goes in the opposite direction. They use gears to see how fast they can make a wheel spin from hand power only. They did a good job, reaching over 19,000 RPM.
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[1] URL: https://boingboing.net/2022/04/12/how-to-spin-a-lego-wheel-at-19000-rpm-by-hand.html
[2] URL: https://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US

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