Easy build Pendulum Clock runs 14h
myminifactory
It is a functionable but simple pendulum clock, that runs 14h and easy to wind up. This video shows how easy it is to build:youtu.be/DFWoqFTzCmcYou need: Four 2mm steel axes (55mm, 48mm, 48mm and 10mm length), A pipe (4mm outside diameter, 12mm length). It can be a profile from a hardware-store or a stalk from a lollipop. A tooth belt (4 meter long, 4mm thick, 2mm teeth, typical for 3D-Printers). If you get only 10mm tooth-belt, then split it with my tooth-belt-splitter 3D model. A kg weight (enerfit.de/scheiben-weights-eisen-25-kg-25-mm.html?utm_source=shopping_free&utm_medium=organic&utm_content=HP1002-1&gclid=Cj0KCQjw27mhBhC9ARIsAIFsETGgsT0P1d0zog59omWPCUeRS4kqJJZUORybaZKeWP5r2Hg7eAc76NAaAjjVEALw_wcB) If you use 1,25 kg weight, glue a large washer on the pendulum to make it more heavy.It is a nice project with kids. The gears lead to understand mathematical relations.
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