Sikorsky on Monday detailed recent successful demonstrations with its “rotor blown wing” unmanned aircraft system (UAS), flying its prototype in both helicopter and “winged aircraft” mode through a ...
But thanks to a doctoral thesis he found, it’s also possible to control a traditional single-rotor helicopter by substituting flexible rotor hinges and precise motor speed control for the ...
It is a twin-engined medium-lift utility helicopter. It is equipped with a single 4-bladed rotor and a single 4-bladed tail rotor. The basic crew complement for the UH-60A is three: pilot ...
In conventional single-main-rotor helicopters, as speed increases beyond 150 knots, the retreating blade encounters aerodynamic limitations, experiencing reversed airflow (as the blade retreats ...
Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.
Robinson Helicopters has launched its new R88 utility helicopter, the company’s first new aircraft model in 15 years.
Robinson Helicopter introduces the R88, a 10-seat single-engine helicopter designed for transport, utility, and rescue missions.
VTOL X-Plane showcased ambitious goals for vertical flight and speed, yet program cancellation exposed new directions in ...
Sikorsky, a Lockheed Martin company has successfully validated the advanced control laws to successfully fly a ‘rotor blown ...