Sikorsky today unofficially broke the helicopter speed record as the X2 technology demonstrator reached 225kt (417km/h) during a 1h flight test. The… Sikorsky today unofficially broke the helicopter ...

Sikorsky Aircraft will design, build and fly two prototype light tactical helicopters as the follow-on advancement to the X2 Technology demonstrator aircraft that unofficially shattered the helicopter ...

More information has been given today on the successful flight test of Sikorsky Aircraft's X2 Technology demonstrator which achieved a speed of 250 knots true air speed in level flight at the Sikorsky ...

Sikorsky has successfully ground tested the six-bladed pusher propeller behind its high-speed X2 advancing blade concept (ABC) technology demonstrator. Sikorsky Aircraft reports that it has ...

Despite setbacks with the US Army, Lockheed Martin will continue to develop and offer its X2 technologies to the international market. (Lockheed Martin) Lockheed Martin is to continue developing its ...