Eurocopter’s X3 Hybrid Helicopter Exceeds Speed Target

17.05.2011 Aviation & Space
Eurocopter’s X3 Hybrid Helicopter Exceeds Speed Target

Eurocopter’s X3 Hybrid Helicopter Exceeds Speed Target

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Eurocopter’s X3 hybrid helicopter demonstrator has delivered on the promise of pushing the frontiers in rotary-wing aviation by surpassing its original speed target of 220 kts demonstrating the compound aircraft’s performance, capabilities, and maturity.

The X3’s speed milestone was reached on May 12 during stable, level flight - with the hybrid demonstrator maintaining a true airspeed of 232 kts (430 km/hr) for several minutes. This occurred only during the third mission after a scheduled upgrade that integrated the X3’s definitive gearboxes, enabling it to operate at full power.

“Eurocopter’s teams have once again shown their ability to apply innovation as a cornerstone of our strategy in remaining the helicopter industry leader,” said Lutz Bertling, Eurocopter’s President & CEO. “Future helicopters incorporating the X3 configuration will offer our customers about 50 percent more cruise speed and range at very affordable costs, therefore defining the future of high productivity rotary-wing aircraft.”

The X3 utilizes a Eurocopter Dauphin helicopter airframe equipped with two turboshaft engines that power a five-blade main rotor system and two propellers which are installed on short-span fixed wings. This hybrid configuration creates an advanced transportation system offering the speed of a turboprop-powered aircraft and the full hover flight capabilities of a helicopter.

The company envisions a wide range of utilizations for this concept, including long-distance search and rescue (SAR) missions, coast guard duties, border patrol missions, passenger transport, offshore operations and inter-city shuttle services. It also could be well-tailored for military missions in Special Forces operations, troop transport, combat SAR and medical evacuation - benefitting from the hybrid aircraft’s combination of higher cruise speeds with excellent vertical takeoff/landing performance.

Flight testing of the X3 is being performed from the DGA Flight Test Center in Istres, France. The flight test program will continue throughout 2011 to explore the hybrid helicopter’s full flight envelope and evaluate all of the possibilities offered by this new technology.


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