It is set to be the predator that can land anywhere. Northrop Grumman has revealed a flying-wing tailsitter drone it says does not need a runway. Instead, it simply lands on its tail - a design first ...

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 ...

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 ...

ZF Marine Group, provider of marine propulsion technology, has added bow thrusters to its pleasure craft product range. The innovative design incorporates counter-rotating propellers in a patented ...

Holland- based Veth Propulsion has signed a contract for the delivery of 28 counter-rotating of Z-drives, type VZ-700-CR (700 kW/1800 rpm). The Z-drives are intended for seven aluminum catamarans, ...

BOSTON (CBS) – A Boston startup is giving drones a new look that could make a big difference in security and safety. Cleo Robotics is putting the propellers inside. "What we've done is a leap forward ...

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 ...

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 ...