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 ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...

Controllable-pitch propellers have been developed and produced on the Baltic coast of Germany since 1962 – initially in Rostock, and then in Wismar from 1964. The first units were manufactured for 86 ...

At the SMM exhibition and conference in Hamburg, Germany, Wärtsilä is introducing its latest development of large Controllable Pitch (CP) Propellers, based on the previously known E-hub type. The new ...

Blade pitch control is handled by a central hub that works a bit like the swashplate in a helicopter; when it's moved off-axis, it changes the pitch of all blades as the barrel rotates, such that the ...

Hartzell Propeller has developed a new two-bladed Top Prop propeller conversion kit for the Piper PA-23-250 Aztec. The 77-in.-dia. propeller uses blade-mounted counterweights to provide redundant ...

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 ...