These strangely-shaped twisted-toroid propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, ...

This paper by TSAW Drones discusses the need for less noise in UAVs, how these toroidals can benefit the drone industry, how these propellers came to be and how exactly they reduce the noise. Also, in ...

When comparing the efficiency of different wind turbine blade designs, [AdamEnt] found using a hair dryer wasn’t the best tool for the job. Enter his new 3D-printed wind tunnel. After several ...

Discover how a redesigned toroidal propeller could revolutionize efficiency across various applications. By altering the shape of the propeller, significant improvements in energy efficiency ranging ...

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 ...

Despite being integral to aviation for more than a century, propellers have changed remarkably little since the Wright Brothers. A team at MIT’s Lincoln Lab has developed a new propeller shape that ...