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	Posted 11/19/2000

V-22 Osprey

The V-22 Osprey is the first aircraft designed from the ground up to meet the needs of all four U.S. armed services. The aircraft can transport Marine Corps assault troops and cargo using its medium lift and vertical takeoff and landing capabilities. It meets U.S. Navy requirements for combat search and rescue, fleet logistics support, and special warfare support.

The V-22 is a tiltrotor aircraft, taking off and landing like a helicopter, but, once airborne, its engine nacelles can be rotated to convert the aircraft to a turboprop airplane capable of high-speed, high-altitude flight.

It can carry 24 combat troops, or up to 20,000 pounds of internal or external cargo, at twice the speed of a helicopter. It includes cross-coupled transmissions so either engine can power the rotors if one engine fails.

The rotors can fold and the wing rotate so the aircraft can be stored aboard an aircraft carrier.

Powerplant   - Two Allison T406-AD-400 engines   - Max and Intermediate, shp (kW) - 6,150 (4,586)
Rotor System   - Blades per hub - 3   - Construction - graphite/fiberglass   - Tip speed, fps (mps) - 661.90 (201.75)   - Diameter, ft (m) - 38.00 (11.58)   - Blade area, ft2 (m2) - 261.52 (24.30)   - Disc area, ft2, (m2) - 2,268.00 (210.70)   - Blade folding - automatic, powered
Transmissions   - Takeoff [USMC], shp (kW) - 4,570 (3,408)   - Takeoff [USN], shp (kW) - 4,970 (3,706)   - Takeoff [USAF], shp (kW) - 4,970 (3,706)   - 1 engine inoperative, shp (kW)       5,920 (4,415)
Performance   - Max speed, SL, kts (km/h) - 275 (510)   - Vert rate of climb, SL, fpm (m/m)       1,090 (332)   - Max rate of climb, SL, fpm (m/m)       2,320 (707)   - Service ceiling, ft (m) - 26,000 (7,925)   - Service ceiling, one engine inop, ft (m)       11,300 (3,444)   - HOGE, ft (m) - 14,200 (4,328)	Range   - Amphib assault, nm (km) - 515 (954)   - Max, self-deployment, nm (km)       2,100 (3,892) Crew   - Cockpit - crew seats - 2   - Cabin - troop seats/litters - 24/12
Dimensions - Internal   - Length, max, ft (m) - 24.17 (7.37)   - Width, max, ft (m) - 5.92 (1.80)   - Height, max, ft (m) - 6.00 (1.83) Weights   - Empty, lbs (kg) - 33,140 (15,032)   - Takeoff, vertical, max, lbs - 47,500 (21,546)   - Takeoff, short running, max, lbs (kg)       55,000 (24,948)   - Takeoff, self-deploy mission, lbs (kg)       60,500 (27,443)   - Cargo hook, single, lbs (kg)       10,000 (4,536)   - Cargo hook, dual, lbs (kg) - 15,000 (9,221)	Dimensions - External   - Length, fuselage, ft (m) - 57.33 (17.48)   - Width, rotors turning, ft (m) - 83.33 (25.55)   - Length, stowed, ft (m) - 62.58 (19.08)   - Width, stowed, ft (m) - 18.42 (5.61)   - Width, horizontal stabilizer, ft (m) - 18.42 (5.61)   - Height, nacelles fully vertical, ft (m) - 21.76 (6.63)   - Height, vertical stabilizer, ft (m) - 17.65 (5.38) Fuel Capacity   - Sponsons, gals (liters) - 1,228 (4,649)   - Wings, gals (liters) - 787 (2,979)   - Aux, self-deployment, gals (liters) - 2,436 (9,221)