Even with that unusual design, Sikorsky says, the X2--which also features fly-by-wire controls--would retain "such desirable helicopter attributes as excellent low speed handling, efficient ...

For several years, Sikorsky has been working on what it calls X2 technology, a suite of systems that it says could let a helicopter "cruise comfortably" at 250 knots.

Sikorsky continues to demonstrate the application of its X2 Technology as the company prepares its proposal for the U.S. Army's Future Attack Reconnaissance Aircraft (FARA) competition, driving ...

Sikorsky, makers of the Blackhawk and other sleek helicopters, have successfully tested their X2 Technology Demonstrator, a prototype designed to showcase new propulsion systems that will allow ...

Sikorsky pitched the Defiant X, which used the X2 design, for the army’s Future Long Range Assault Aircraft (FLRAA) competition to replace the Sikorsky UH-60 Black Hawk utility lift helicopter.

Sikorsky’s Raider X Competitive Prototype is about 90% assembled at its flight test center in West Palm Beach, Florida. Credit: Sikorsky FARNBOROUGH—Sikorsky is exploring a third variant of ...

“With a $1 billion investment, X2 aircraft offer speed, range and agility that no other helicopter in the world can match. We remain confident in X2 aircraft for U.S. and international mission ...

Sikorsky first flew its contra-rotating main rotor and tail-mounted pusher prop-equipped X2 technology demonstrator in 2008, eventually achieving a speed of 253kt (468km/h) in 2011.

Last week, a fascinating experimental helicopter from Sikorsky and Boeing made its longest flight yet: It flew from West Palm Beach, Florida to Nashville, Tennessee—a distance of some 805 miles.

X2 technology development and flight testing takes place in Palm Beach County, where the team works on the RAIDER X prototype. Sikorsky invested $1 billion in this next generation of helicopters.

Sikorsky plans to fly the X2 Technology demonstrator, shown here in an illustration, by the end of 2006. It would demonstrate a new class of co-axial helicopters capable of cruising at 250 knots ...