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The fuselage is aluminium with skin and wing formed of composites. The fuselage skin incorporates graphite stringers and Toray composites, as do the wing and nacelles.
The T tail configuration has conventional elevators and no rudder. The horizontal tailplane can be raised above the rotor wake to minimise pitching at transition phase.
Size of wing determined by fuel requirement vs centre of gravity and safety. It has two-segment, trailing edge flaperons.
Titanium/composites cross shafts keep both proprotors turning in event of single engine failure. A manual screw jack facility enables the proprotors to be tilted into helicopter mode if cross shafts fail.
|Variant||Launch/First flight||Production end|
|Leonardo AW609||1997 / 2003||Light utility tiltrotor, formerly known as BA609 due to prior Boeing influence.|
View full news archive for the Leonardo AW609.
|Materials||Composites (3) Metals (1)|
|Components||Electrical Components (1) Fasteners (2) Mechanical Components (2) Non-Mechanical Components (1) Sensors, Transducers & Detectors (1) Structural Components (1) Valves (2)|
|Airframe Systems||Airframe Assemblies (4) Fluid Power (1) Landing Assemblies (2)|
|Avionics||Flight and Data Management (1) Imaging and Visual Systems (1) Indicators and Instruments (2) Navigation Aids (Airborne) (1) Warning Systems (1)|
|Power Systems||Batteries & Accessories (1) Engine Components (3) Engines (1) Fuel Systems (2) Power Transmission (1) Rotors & Propellers (2)|
|Toray Composite Materials America, Inc.||Analysis||Prepreg: Primary structure materials consisting of 350F curing 3900-2 series highly toughened epoxy prepregs including T800H [ IM ] carbon fiber UD plus Standard modulus carbon fiber and glass fabric material forms.|