June 2017
I’ve been tearing down Seiko solar quartz watches in search of small efficient engines to power miniature robots. Can anyone recommend a source for additional components, such as miniature axles and wheels?
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You might try old auto-focus cameras and similar equipment. Old micro-cassette players too. These all generally have a bunch of small shafts and pulleys; you could take one of the small pulleys and add a miniature o-ring as a tire.
Another possibility, maybe even better, would be those small micro remote control cars, which were popular a few years back. Or maybe small slot-cars or n-gauge trains?
Another possibility for a tire might be a slice of pencil eraser. Super-glue it to a small piece of piano wire or similar for the shaft.
