Testing Futuristic Propeller Designs With a 3D Printer and a Solar-Powered Boat - The toroidal boat propeller pair installed. (Credit: rctestflight)
As boring as pr... - https://hackaday.com/2023/07/02/testing-futuristic-propeller-designs-with-a-3d-printer-and-a-solar-powered-boat/ #transportationhacks #toroidalpropeller #rctestflight #3dprinting