HIDDEN SHAFT as well as GEARS MAKE THIS HOLLOW CLOCK GO

[shiura]’s Hollow Clock 3 is a amazing 3D printed handle a clock motion that utilizes a hidden system to pull off its unusual operation. The Hollow Clock has no face, just an open area with an hour as well as minute hand that move as expected. only the longer minute hand has any type of apparent connection to the rest of the clock body, with the rest appearing to hang in the air.

Hidden shaft as well as gearing.
This is exactly how it works: the longer minute hand is linked to the white ring, as well as it is in truth this sound that rotates, taking the connected minute hand with it. however exactly how does the hour hand stay stationary while the rest turns? A concealed shaft as well as gear assembly takes care of that. for each full rotation of the minute hand (actually the white ring), the hour hand is only permitted a family member development of 1/12th of a rotation. It’s a clever system, as well as you can see the insides in the picture here.

Unlike clock jobs that showcase their inner workings, the Hollow Clock works difficult to conceal them. If you choose to make your own, [shiura] warns to expect to do a bit of tweaking to fine-tune the amount of friction between moving parts to ensure that operation is smooth, as well as provides useful guidelines for doing so. Take a few minutes to watch the clock in action in the video, embedded below.