A vision of Leonardo da Vinci's paddle boat

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I modelled the "paddle boat" mechanism in xDesign to take part in the recent 3DS Da Vinci challenge.


Many thanks to @SR ​​​​​​​for access to the 3D printers here at 3DS Vélizy Campus ! He printed the various parts of my model, and I did the assembly. ! It is smaller ( 20 cm) than I first intended, but _almost_ fully working.

The design is closely based on this famous sketch by Leonardo da Vinci (from Codex Atlanticus). The device features pawl/ratchet wheels to transform alternate movement into continuous rotation.


Here is a view of my xDesign model...