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A project log for The (Original) 1Hz Challenge

Build a working Graham escapement mechanism with PLA printed wheel and armature and minimal investment of time, money, and effort.

rkramerrkramer • 08/17/2025 at 02:48•0 Comments

Parts were designed in OpenSCAD, exported as STL and sliced using FlashForge's FlashPrint software using the "fine" settings (except for the pendulum mount for which precision wasn't important).

Parts were printed on a FlashForge Creator Pro (years old now).

The first armature had 7mm impulse faces which were way too wide.

PartTime to printPLA filament (m)
escapement wheel03:518.74
armature v1 (6mm thickness)01:173.3
armature v2 (3mm thickness)00:532.13
pendulum mount00:321.8

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