the propeller unfolds and powers the boat. When motor torque is cut off, the propeller folds to cut drag for more efficient sailing. With the Hybrid, Gori has added a new locking mechanism that ...

A pontoon boat presents a special challenge in docking ... more forceful response to throttle input. The trade-off—with props, there’s always a trade-off—will be increased drag at speed. Don’t let ...

The unique propeller is set to debut in the company's electric outboard and inboard drive systems to further improve upon the efficiency and versatility they add to existing boats. Founded in 2020 ...

While retrofitting an existing boat with a toroidal propeller ... and refining this technology. By reducing drag and increasing efficiency, toroidal propellers could improve aircraft performance ...

Most famous of these is probably the toroidal propeller that made waves a while ago, mostly in the field of flying drones, but commercial toroidal boat props exist too. Test results of the ...