Finnøy Gear & Propeller has signed a contract to deliver complete propulsion systems for a new series of eight cargo vessels being built for the Norwegian shipping company Wilson ASA. The vessels will ...

Kongsberg Maritime has been hired by Consórcio Marenova to design and equip four methanol- and ethanol-ready handy-size product tankers for Petrobras Transporte (Transpetro).The vessels will be built ...

Airplane propellers are broadly categorized into fixed-pitch, which offer a performance compromise, and adjustable types (constant-speed, ground-adjustable, controllable-pitch) that allow optimization ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight each square meter of area swept by the propellers must carry–is almost ...

Propellers for piston-powered small airplanes primarily come in fixed-pitch, ground-adjustable, and constant-speed variants. Fixed-pitch propellers have a static blade angle, optimizing performance ...

Just over a year after Vintage Aviation News reported on the revival of the historic Fairey Reed propeller brand in Italy, the project has reached a significant milestone. The first production-version ...

When it’s time to buy a new propeller for your boat, diameter and pitch are the most important characteristics to research. To be able to select or upgrade to a new propeller, you must understand ...

The Alaska Ranger began flooding after the night engineer opened a watertight door and saw water pouring in from the stern area. When electrical power failed, its controllable-pitch propellers ...