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 ...

Airbus Helicopters continues to eye novel architectures for future rotorcraft designs, including new compound and tail rotor-free configurations, patent applications reveal. A pair of filings – ...

Blainjett Aviation, an innovative aerodynamic propulsion technology startup, today announced that initial testing of its hemi-rotor aerodynamic concept has confirmed its potential to deliver faster, ...

A slew of patent awards for Bell over recent months – including a biplane tiltrotor, a pusher propeller drivetrain and an anti-torque tail rotor that can be turned through 90° – highlight the range of ...