Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...

We compare the Propeller Killer high efficiency paddle with a traditional propeller to analyze performance, speed, and ...

This is an opinion column. A new propeller design will likely start popping up on boats in Alabama and across the nation in the next few months—provided that the manufacturer eventually gets the price ...

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 ...

Multirotor drones are significantly more popular than conventional helicopter designs for many reasons, which do not include efficiency. Making use of the aerodynamic effects behind this, [Nicholas ...

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 ...

U.S. airlines mostly abandoned propeller planes in the 1990s. But considerations by Embraer to build a next-generation, large regional turboprop aircraft for first delivery late this decade could jump ...

Holy Boss Cap undergoing trials. Image courtesy EcoMarine Innovations About the Author: Dr. Batuhan Aktas is the CEO of EcoMarine Innovations, Futureproof Ship Design Group at the University of ...