Rolls-Royce T406

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The Rolls-Royce T406 (company designation AE 1107C-Liberty) is a turboshaft engine which powers the Bell - Boeing V-22 Osprey. The unique tiltrotor Osprey is in service with the United States Marine Corps and United States Air Force. The engine delivers 6,000 shp (4,470 kW).

The T406/AE1107C-Liberty shares a common core with the AE 3007 and AE 2100 series of engines.

The V-22's T406 powerplants are housed in wing-tip tilting nacelles, allowing the distinctive flight characteristics of the V-22. For take off and landing the nacelles are directed vertically (90° to fuselage), while for forward flight they are rotated parallel to fuselage. The engine has been considered as a cost-effective upgrade for existing heavylift helicopters such as the CH-47 Chinook and CH-53E Super Stallion.

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