Helicoptersexperimental high-speed compound helicopter
Eurocopter X³

The Eurocopter X³ (X-Cubed) is a retired experimental high-speed compound helicopter developed by Airbus Helicopters (formerly Eurocopter). A technology demonstration platform for "high-speed, long-range hybrid helicopter" or H³ concept, the X³ achieved 255 knots (472 km/h; 293 mph) in level flight on 7 June 2013, setting an unofficial helicopter speed record. In June 2014, it was placed in a French air museum in the village of Saint-Victoret.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
- Manufacturer
- Airbus Helicopters
- Category
- Helicopters
- First flight
- 2010-09-06
Specifications
- Cruise speed
- 220 kt
- Max speed
- 255 kt
- Service ceiling
- 12,500 ft
- Rate of climb
- 5,500 ft/min
- Max takeoff weight
- 11,464 lb
- Powerplant
- 2 × Rolls-Royce Turbomeca RTM322-01/9a
- Engines
- 2
- Seats
- 2
- Number built
- 1
Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).
Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.