TIANJIN, China — Avicopter is developing a technology demonstrator for a high-speed helicopter, adopting a compound configuration that combines coaxial rigid rotors and nose-mounted counter-rotating ...

At the very crux of engineering is the desire to problem-solve, optimize, and squeeze out every bit of efficiency possible from the system being built. Aircraft design and aeronautical engineering ...

The An-70 transport is a high-wing aircraft powered by four 14,000-shp ZMKB Progress D-27 propfan engines with six-blade counter-rotating propellers. Maximum payload is 103,615 lb. Two An-70 ...

WASHINGTON — The Convair XFY-1 Pogo of the 1950s is one of those famous aviation "funnies" – a weird, experimental aircraft intended to take off and land vertically. The "tailsitter" aircraft might ...

The Chinese clone of the Sikorsky S-97 Raider compound helicopter appeared again in a video recently emerged online. Months ...