With six cyclorotors, the BlackBird from CycloTech is designed to take off and land vertically, move sideways, brake mid-air and even parallel park.

Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary ...

Swiss marine giant ABB has spent more than a decade developing a radically different Voith-Schneider take on a marine ...

(Airbus) WARSAW, Poland — The Polish Ministry of National Ministry is advancing plans to buy new transport and refueling aircraft, with major players Airbus and Boeing intensifying their rivalry ...

Natalie Fiorilli/Air Force) FORT WALTON BEACH, Florida — Air Force Special Operations Command has dubbed its newest aircraft Skyraider II, a nod to the Cold War-era propeller plane that ...

DALLAS — ZIPAIR Tokyo (ZG) announced on March 19, 2025, that it to double its fleet size by 2027 by introducing the Boeing 787-9 Dreamliner aircraft. ZIPAIR, a low-cost carrier (LCC) under Japan ...

Canadian manufacturer Bombardier has announced the delivery of its 1,000th super-mid-size aircraft, a Challenger 3500 business jet, to JM Family Enterprises, an automotive company. The delivery took ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...