
prototype


Bird and Worm : Ratchet based model.
I have a few ideas for projects using ratchet mechanisms.

Two Toothed Ratchet – Working Nicely
All the parts of the two-toothed ratchet model are coming

Two toothed ratchet prototype
Further experiments with ratchets. With only two teeth on the

Low Tooth Count Ratchet Prototype
Further research and development on ratchet driven project. I had





Archimedes screw – double thread revisited
Steve Seidl from frankenpaper.com sent me these pictures of a double