Modern methods of propulsion offer ship operators a wide variety of efficient systems to move a vessel through the water. High levels of maneuverability and enhanced propeller geometry allow ...

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 ...

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Scientists say they have created a methodology that could replace two diesel engines powering a ferry boat with pneumatic ...

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A member of the physics department … is to bring the scientific method to bear on the burning problem of why really good trombones sound the way they do. All trombones … do not sound the same ...

Scientists say they have created a methodology that could replace two diesel engines powering a ferry boat with pneumatic propellers.The two air ...

Researchers at Chalmers University of Technology, Sweden, have developed a propeller design optimisation method that paves the way for quiet and efficient electric aviation.

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 ...