A Swingee Hinge.
My current project has a tooth fairy as one of the characters. Of course she would be much more visually appealing if her wings would move. So I set out to find a compact method to make a right angle actuator that would fit into a tight space. Over coffee with my brother I learned about swingee hinges a small device used by model airplane hobbyists to activate ailerons from inside a wing. Its a nifty little device and very compact. I decided to try and make one from wood rather than use a normal one made from plastic.
Here's a quick video of my prototype. By moving the brass rod up and down, the piece of wood on the left side wiggles back and forth like a dog's tail. the pieces here are 1/4" thick.
And that is how I hope to make my fairy tooth fairy fly!
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Automata is a creative blend of my life interests , engineering, art and woodworking.