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 ...

RC helicopters have quite a few differences than passenger and military helicopters, which is why they can fly upside down. Here's what you need to know.

The Soviet Mil Mi6 was a behemoth of an aircraft. Here's why the massive helicopter had wings, and what other capabilities ...

A simulation of the "aerial screw" designed by Leonardo da Vinci in 1480 suggests it would use less power than modern drone ...

Helicopter meets airplane. Unlike most helicopters, which feature an enormous rotor on the top and a small one at the back, Racer lacks a traditional tail rotor but sports those two wing-attached ...

The rotor head is a critically important component of the helicopter and is located at the intersection between the rotor blades and the mechanical assembly above the pilot/passenger cabin canopy. It ...

Lockheed Martin's Sikorsky has successfully flown its "rotor blown wing" drone in both helicopter and fixed-wing flight modes. ... (VTOL) design has potential to be scaled to a larger size, it said.