The Eurocopter X3 set new unofficial helicopter world speed records, reaching 255 knots in level flight and 263 knots in a shallow dive, surpassing the previous record held by the Sikorsky X2. The X3 ...

Eurocopter has announced a new pair of speed records set by its hybrid helicopter demonstrator, the X3. Piloted by Hervé Jammayrac, the X3 reached a level flight speed of 255 knots (472 km/h) over the ...

Eurocopter is officially entering the race to develop a high-speed helicopter with its new X3 technology demonstrator. The prototype helicopter is designed to offer "the speed of a turboprop-powered ...

Eurocopter is reporting a new breakthrough in the test flight program for its X3 high-speed, long-range Hybrid Helicopter demonstrator. The aircraft is equipped with two turboshaft engines that power ...

Eurocopter's X3 is a hybrid heloplane currently on a U.S. tour, combining conventional turboprops and a rotor. The X3 has achieved speeds over 230 knots, making it nearly 100 knots faster than ...

The Eurocopter X3 hybrid helicopter has opened the frontiers of aviation by attaining a speed milestone of 255 knots (472 km/hr) in level flight on June 7. Several days before this accomplishment, the ...

As Eurocopter presses ahead with development of its X3 technology demonstrator with a view to introducing the radical high-speed technology commercially in six years, the key challenge is not ...

Helicopter manufacturers all over the world are trying to find ways to make the aircraft faster, and yet keep the ability to hover in tact. With designs and concepts out in the world, only a few ...

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Like the Sikorsky X2, it has no tail rotor – so the pitch of the left and right propeller blades subtly adjust automatically in flight to maintain stability and to provide steering, says Billig, but ...

See that chopper right there? That's the Eurocopter X3, and as of last week, it can cruise at more than half the speed of a commercial jet. Although the helicopter was striving to hit 220 knots, it ...