Sikorsky Unveils 250-Knot Helicopter
Sikorsky Aircraft unveiled its X2 Technology Demonstrator Aircraft Sunday at Heli-Expo in Houston. The counter-rotating coaxial rotor design is aimed at delivering the high-speed cruise while keeping the low-speed handling, hovering and autorotation safety characteristics that operators want. “The X2 Technology Demonstrator is an integrated suite of technologies intended to advance the state-of-the-art, counter-rotating coaxial […]