The Lockheed XH-51 was an experimental rigid-rotor helicopter developed in the 1960s to test high-speed rotary-wing flight ...

The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...

Supersonic breakthrough: NASA tested new Mars helicopter rotors at Mach 1.08, confirming they can survive supersonic speeds ...

Part of the charm of quadcopters is the challenge that building and flying them presents. In need of complex sensors and computational power to just get off the ground and under tremendous stresses ...

In December 2019, Bell had its V-280 Valor tilt rotor demonstrator aircraft perform an entire test mission drive driven according to computer algorithms—almost without any human inputs. To be exact, ...