High-concept MAV takes off with fixed wings and counter-rotating propellers, allowing it to operate with high aerodynamic efficiency--even in adverse conditions, according to its creator. The military ...

Unique counter-rotating design to help mitigate technical risk of integrating engines on to airlifter Airbus Military has chosen a unique "handed" propeller concept for the A400M airlifter in a bid to ...

Northrop Grumman Corp (NOC.N) has won a contract worth $93.08 million to build a full-scale demonstrator of a new unmanned spy plane – a flying wing with large counter-rotating propellers – that would ...

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 ...

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 ...

In the next few years, the U.S. Navy may finally realize a dream it has had since World War II: the ability to vertically launch and recover a fixed-wing aircraft from a ship deck. A prototype ...

Newly established UK unmanned air vehicle manufacturer Dragonfly Air Systems is planning to fly a twin ducted-fan, short-range tactical unmanned air vehicle in late August and has begun constructing a ...