We compare the Propeller Killer high efficiency paddle with a traditional propeller to analyze performance, speed, and ...

Although pedal-powered boats do exist, most utilize either a propeller or flapping fins on their underside. Ben Kilner's one-off Jamima Paddleduck takes a different approach, with two rear paddles ...

Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...