After a successful DIY project, you may be a little paranoid about conservation. If so, there is an answer: Matthias Wandel DIY wooden combination lock.
The lock is not perfect – the lack of friction in the turning mechanism makes it necessary to move the knob very slowly. Wandel says it’s not terribly practical, and he’s right—beyond speed, it’ll also be pretty easy to pick.
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So don’t use a handmade wooden lock to protect your passport, but in terms of a DIY wood project with some simple mechanical elements, this is a great little project. Besides, it’s not like regular combo locks are safe anyway.
How does a combination tumbler lock work?
Combination Locks. In principle, a combination lock works in much the same way as a lever mechanism. When the tumblers are aligned, the slots in the tumblers permit a fence to retract, which releases the bolt so that the bolt can be opened.
How does a 4 digit combination lock work?
Simple yet effective and more secure than their three-digit combination lock counterparts, four-digit combination locks are made to last. There is one wheel for each number. When the dial is turned, the spindle that connects each wheel rotates the drive cam.