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I take you through my process of designing and building a wooden mechanical clock from scratch, gears and all. I settle on a Galileo Escapement with a pendulum, making a gravity powered pendulum clock. Nothing about this is practical, a laser cutter or 3D printer would do all of this much better, but where's the fun in that? I faced a bunch of challenges (of my own making) like too much friction, parts not staying put, and my initial design struggling. Part of this is because the easier to build cycloid gear needs tight tolerances, unlike the more common but harder to design involute gears. I switched up my approach, opted for a design that didn't need super precise parts, and other improvements: Galileo Escapement design with peg escapement wheel, much better ratios and tolerances. Used brass rods to cut down on friction. Secondary weight on string to provide constant tension. 5:15 ~ 1:3 gear reduction to power supply gear = longer run time. Pendulum arm with adjustable position strike plates let me fine tune. Axle supported on front and back with bearings, much more stable. After some trial and error, and a lot of cutting and assembling, I got it to work. The clock runs for a solid half hour. This project was quite a lot of fun, and we end up with a pretty neat piece that I'm proud to show off. Perhaps next time I'll aim for a new more robust design, let me know if what you think! 00:00 Intro 00:26 Anchor Escapement 01:03 Initial Results 01:17 Galileo Escapement 01:41 CAD 02:17 Build 03:23 Results