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X3 Hybrid Eurocopter


 
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Eurocopter X3 Hybrid helicopter
 
 
 
 

X3 Eurocopter demonstrator hybrid helicopter data sheet specifications intelligence description information identification pictures photos images video France French Air Force aviation aerospace defence industry military technology

Description

The Eurocopter X3 is an experimental high-speed hybrid helicopter under development by Eurocopter. The X3 was unveiled for the first time to the public in flight demonstration during the Paris Air Show 2011. 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. Currently, a product using the technology of the X3 demonstrator is not expected until 2020 at the earliest

Variants
- Prototype only
 
Technical Data
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Design
The X3 utilizes a Eurocopter EC155 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.
Propulsion
The X3 Eurocopter 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 tractor propellers are gear driven from the two main turboshaft engines which also drive the five-bladed main rotor.
Flight Performance
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.”
Combat use

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.

 
Specifications
Type
Hybrid helicopter
Country user
Prototype
Country producer
France
Crew
2
Engine
2 × Rolls-Royce Turbomeca RTM322 turboshaft engines, 1,693 kW (2,270 hp) each
Speed
Maximum speed: 430 km/h
Range
? km maximum
Weight
?
Avionic
?
Dimension
Length: ? m; Rotor Diameter: ? m;
Height: ? m
 
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X3 Eurocopter demonstrator hybrid helicopter data sheet specifications intelligence description information identification pictures photos images video France French Air Force aviation aerospace defence industry military technology
X3 Eurocopter demonstrator hybrid helicopter data sheet specifications intelligence description information identification pictures photos images video France French Air Force aviation aerospace defence industry military technology
X3 Eurocopter demonstrator hybrid helicopter data sheet specifications intelligence description information identification pictures photos images video France French Air Force aviation aerospace defence industry military technology
X3 Eurocopter demonstrator hybrid helicopter data sheet specifications intelligence description information identification pictures photos images video France French Air Force aviation aerospace defence industry military technology
 
Pictures - Video
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