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 ...

If stardom is measured by camera time and the number of drooling onlookers, then the Green Cri was undoubtedly the star of the recent Paris Green Air Show. The experimental aerobatic electric aircraft ...

April 8, 2006 One of the greatest difficulties with vertical take-off and landing (VTOL) aircraft is that they invariably don’t have high speed as one of their attributes. The principles are well ...

Readers have expressed their worries about the logistical burdens of counter-rotating propellers and gearboxes on the Airbus Military A400M (AW&ST Sept. 15, p. 9; Aug. 18/25, p. 12). Controllability ...

Back in the 1950s, the US Navy was looking for a way to give destroyers and frigates an effective way to take on enemy air attacks—a sort of “first responder” aircraft that could take to the skies to ...