Initial Diagram
The core system, without the pulley shell
Cross-section of the system in CAD
Full CAD model
Testing the cam-shaped pulley wrap
Printing an endcap
The large pulley vs the small prototype
One of the hardest 3D print saves I've ever managed, when it failed 30 hours in!
Testing the generator's output
Internal planetary gearbox being assembled
Internal roller bearings
Testing power generation with the full pulley setup
