Lego Clock Escapement W4

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Uploaded by on Feb 10, 2008

Close View of Clock Escapement made with Lego; part of series W1 thru W15. See also W10, W4.1,W4.2,W4.3.

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Science & Technology

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Uploader Comments (BenVanDeWaal)

  • Thank you!

  • how does it work

  • see replies to comments below

  • I had a "crazy" idea to make an escapement but I couldn't get anything working. You have more legos than me, or are crazier, or both. In any case your ideas are awesome!

    I was attempting to drive mine with a little assembly included with a "pull-back" car lego set. I don't know what that mechanism is called but it's rather like winding a clock spring I thought.

  • I must discourage you to use a "pull-back" thing to drive your clock. I do not know exactly what it is but it may contain a rubber band that is stretched or wound in order to store energy that can be released to the clock (the same with a spiral spring). Because the released energy per unit of time diminishes as the process proceeds your clock will be unreliable. Use a falling weight to avoid these problems; this gives a constant torque on the escape wheel or the first gear in the train.

  • How is the Mechanical Advantage set up in your pully? Is it same as a standard pulley with strings and gears? I was wondering if you could show me a picture of the pulley system and possibly a back view of the machine as I am trying to build soemthing similar.

  • It is very simple, with no (other than the visible) gears at all.

    On the axis of the left hand wheel is a pulley with a thread wound around it that is guided over a second pulley on the far left (not visible, but you can see the thread). The end of the thread carries the weight.

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All Comments (23)

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  • Hello Ben, can you send me some pictures of the mechanism, my email addres is: hobbyt@live.com

  • @BenVanDeWaal

    you know, a pull-back motor could make for a nifty spring remontoire.

    KEvron

  • I think I know how to make this but it won't work. When I put 1 flat lego piece under the lego where the big gears are, it is to low, and when I put 2 flat pieces under it, it is to high!

  • The hallmark of genius is the development of a simple solution to a complex problem. Congratulations!

  • UJILDFH 989WEH8U 902 HUFIEODH FUIWQEY87R902 JKLDXFHUJIOHC87UCOXYHV78022 HUIOSHFUIODHUWQIO FHUIDOFH CUWIAEFH 8U13H8UWEHNJUFDIOHDUIOCGHX78C0­GHWE7UI0 HUJSKHDUeioaefh

  • Wow, thx for this mechanism

  • I successfully re-created this. Now I understand how a GE basically works. Thanks for the inspiration! :-)

  • mainspring - ratchet - escapement = pendulumn clock ! i can see why Doc ( back to the future) have so many clocks in his lab

  • escapement . i wonder is the universe is such ?

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