The choppers in the Piasecki H-21 family have the nickname "Flying Banana" due to the bend in the fuselage, which resembled a banana.

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 ...

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 ...

Airbus Helicopters has traditionally opted for standard tail rotor designs on the majority of its rotorcraft, with the only excpetion its Fenestron ducted fan design that is used on certain models ...

The coaxial rotor design is so efficient NASA chose it for its Mars Helicopter "ingenuity," which had to fly in an atmosphere that is only 1/100th as dense as Earth’s. Auto-piloted electric ...

Rotor Technologies, Inc., a developer of autonomous vertical takeoff and landing (VTOL) aircraft, unveils the R550X, the largest uncrewed civilian helicopter on the market, and begins production. The ...

HAL has retained the same rotor dimensions for the five-bladed rotor as the Mi-171V. The IMRH is to have a service ceiling of 21,300ft, a maximum cruise speed of 145kt (270km/h), an endurance of ...