How escapement mechanisms work.

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Published 2022-06-19
How do gravity powered clocks / escapements work? How can you find your location on earth with only a clock? In this video you will find out. (3d printed clock / escapement model demonstration)

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Original clock design by Dynasus November 12, 2015 CC Atribution
Modified / Improved by Steven from 3D Printer Academy

Happy printing,
Steven

All Comments (21)
  • So basically all they did later on was add a spring that would to create the potential energy. Winding it up adds tension and then you release the tension the same way you did the belt with weights and now it can go possibly longer and in a much smaller space. It's really fun to pick a apart simple machines like this I would love to see more videos just breaking down these simple machines and even seeing some small applications for the fun of it
  • @billyjohns332
    A very smart design that most people probably never even knew existed
  • Actually, the timepieces used by sailors were spring-powered, not gravity powered. This prevents them from losing time as gravitational acceleration changes, for example during rough seas. Accurate marine chronometers were expensive though, so up until the last couple centuries sailors mostly determined the time by the lunar distances method. Nautical almanacs are filled with tables of the moon's position in the sky, calculated years in advance, and by consulting the almanac and measuring the distance between the moon and another celestial object, the absolute time can be accurately determined. This is then compared with the observed local time to determine longitude.
  • @dynasus
    Nice to see that my original design has evolved! Got pretty surprised when YouTube recommended it to me all of a sudden. Love the idea with the timing belt. Also, I think you made a very interesting video. Keep it up!
  • @shemp308
    This is not criticism. In this video, you had a perfect opportunity to also show how to slow or speed up the escapement with the length of the pendulum.
  • @ewthmatth
    0:50 "now brace yourself because this gets very confusing" * precedes to describe basic arithmetic and angles *
  • @noelaruldas1152
    Thank you very much for your explanation about escapement!
  • Escapements are cool, many other designs have evolved like the swiss lever or coaxial for mechanical wristwatches
  • Nah the sailor clock was invented by John Harrison with the h1 clock not Galileo this is well documented and undisputed in fact as a normal escapement as shown in the video was inaccurate at sea. The grasshopper escapement and a swinging balance allowed accurate timekeeping at sea invented by john Harrison. He saw clocks differently as a synchronised ecosystem. Harrisons h1 clock design made the UK forces superior with accurate timekeeping no other country had and become the leading navy with the first clocks that worked at sea. Escapement gears like the one in this video didn't work at sea, it was the invention of the grasshopper escapement and a balanced swing which was unaffected by the motion of sea.
  • @bytheway7
    Thanks a lot! I like this mechanics )
  • @didotb01
    thank you for explaining how the clocks were used to determine sailor's position on earth. I would've entered another rabbit hole just to find out about it
  • @jaredf6205
    Hey, I also have one of those 2.2 kg tungsten block
  • You put the potential force the wrong way. Its rotation should be reversed to prevent the cogs from stopping the pendulum's inertia so it runs for longer. It also allows the small flaps that are angled are able to get the force required to keep the pendulum swinging. I'm surprised only a few have realized.
  • @Speed001
    More gravity powered devices, cool