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News

A major milestone for Eurocopter X3 hybrid helicopter


Eurocopter, December 09, 2010 - by Cecile Vion-Lanctuit. Marignane,

Step 1 speed objective of 180 kts is attained ahead of schedule for this innovative rotary-wing aircraft.

Eurocopter’s X3 high-speed hybrid helicopter demonstrator, which performed its maiden flight on September 6, 2010, has reached on November 29th the program’s Step 1 speed objective: attaining a true airspeed of 180 kts (333 km/hr) in level flight at a reduced level of engine power. This performance was obtained at the DGA Flight Test base in Istres, France.

In the flight testing performed thus far, the flight envelope has been opened with and without autopilot to validate the basic hybrid demonstrator aircraft’s stability and handling characteristics. The X3 has reached an altitude of 12,500 feet (3,810 meters) and performed maneuvers with left and right turns at bank angles of up to 60 degrees.

The X3 flights to date were performed by Eurocopter test pilot Hervé Jammayrac and flight test engineer Daniel Semioli at the French DGA test facility in Istres. “The X3 has performed extremely well, demonstrating handling and flight qualities that are exactly in line with our ground-based simulator evaluations,” Jammayrac said. “This helicopter is really built for speed, and our test team looks forward to taking the X3 to the next steps of its flight regime.”

Having already surpassed the speed of a traditional helicopter, the next milestone for the demonstrator is the Step 2 phase at Eurocopter’s headquarters in Marignane, France, where the X3 will enter a second set of flight tests during which it is expected to reach sustained cruise speeds in excess of 220 kts.

The X3 utilizes a Eurocopter Dauphin helicopter airframe. It is equipped with two turboshaft engines that power a five-blade main rotor system, along with two propellers installed on short-span fixed wings. This hybrid configuration creates an advanced transportation system that offers the speed of a turboprop-powered aircraft and the full hover flight capabilities of a helicopter. It is tailored to applications where operational costs, flight duration and mission success depend directly on the maximum cruising speed.

The X3 combines excellent vertical takeoff and landing capabilities with fast cruise speeds of more than 220 kts. Eurocopter envisions a wide range of applications for this concept, including long-distance search and rescue (SAR) missions, coast guard duties, border patrol missions, passenger transportation and inter-city shuttle services. It could also be well-tailored for military missions in Special Forces’ operations, troop transportation, combat SAR and medical evacuation – benefitting from the hybrid aircraft’s combination of higher cruise speeds with excellent vertical takeoff/landing performance.


About Eurocopter
Established in 1992, the Franco-German-Spanish Eurocopter Group is a Division of EADS, a world leader in aerospace, defence and related services. The Eurocopter Group employs approx. 15,600 people. In 2009, Eurocopter confirmed its position as the world’s No. 1 helicopter manufacturer in the civil and parapublic market, with a turnover of 4.6 billion Euros, orders for 344 new helicopters, and a 52 percent market share in the civil and parapublic sectors. Overall, the Group’s products account for 30 percent of the total world helicopter fleet. Its strong worldwide presence is ensured by its 25 subsidiaries and participations on five continents, along with a dense network of distributors, certified agents and maintenance centres. More than 10,500 Eurocopter helicopters are currently in service with over 2,800 customers in more than 140 countries. Eurocopter offers the largest civil and military helicopter range in the world.


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Eurocopter X3

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