From the archive record
Eurocopter X3, the hybrid helicopter of the EADS group displayed at the DefExpo, Delhi... The Eurocopter X³ (X-Cubed) is an experimental compound helicopter under development by Eurocopter. It is intended to fly at speeds of over 220 knots (250 mph; 410 km/h). The X3 utilizes a Eurocopter Dauphin helicopter airframe equipped with two turbo shaft 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. Eurocopter is the world's primary helicopter manufacturer in the civil sector, offering the largest civil and military helicopter range in the world. Eurocopter