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BA-609: nothing to envy to a turboprop
Fort Worth, USA - First flight with horizontally-set engine nacelles for the Bell/Agusta civil tilt-rotor
The first civil tilt-rotor ever designed, the Bell/Agusta BA-609, aims its rotors forward and finally shows it can fly like a real fix-winged aircraft faster than any other conventional helicopter. The...
World Aeronautical Press Agency