The toroidal boat propeller pair installed. (Credit: rctestflight) ... Going back between the CAD model and the design in the patent by Sharrow Marine didn’t provide any obvious hints.

Going back between the CAD model and the design in the patent by Sharrow Marine didn’t provide any obvious hints. ... (Heading image: The toroidal propeller’s details in the CAD software.

Glen Cooper/MITThe basic configuration of traditional propellers has not fundamentally changed since the first powered flight by the Wright brothers in 1903. However, as engineers learn more about ...

The origins of the toroidal propeller date back to the 1980s, when researchers studying fish movement discovered that a toroidal shape could create a vortex around the blade, ...

Home experiments are not representative. An MIT announcement earlier this year about toroidal propellers winning one of MIT Lincoln Laboratory’s 2022 R&D 100 Awards generated significant ...