The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient. Sharrow ...

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 ...

Excellent idea! New Invention Transmission Belt System Propeller Steering For Water Bike Boat ...

DETROIT--(BUSINESS WIRE)--With a new patent granted in New Zealand, Sharrow Engineering now has a total of 36 patents to protect embodiments of the unique SHARROW PROPELLER™. “This is a landmark ...

The lightweight, aluminum four-blade system achieve more than 50 pounds of weight savings and improve takeoff and climb performance for B300 turbo-prop private aircraft. Textron Inc.’s McCauley ...

The high-efficiency aerodynamic and aeroacoustic optimization framework comprises the following key modules: 1) Shape parameterization, which transforms the baseline geometry into a set of design ...

Tesla chief executive Elon Musk has revealed a new titbit about the Cybertruck and its claimed dual functionality as both a car and a boat. The eccentric billionaire recently stated that the Tesla ...