How Combination Locks Work
Woodworking project shows how a combination lock works
In terms of neat mechanical things to build out of wood, Matthias Wandel figured a single dial sequential combination lock would be a great project to make. It's relatively simple and shows people how a combination lock actually works. The video (below) shows the steps.
Like most real combination locks such as a Dudley or master Combination locks, the core of this lock consists of three rotors. Each rotor has a notch in it, and when the three notches line up, some sort of bar can drop into them, and allowing the lock to be opened.
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