Tuesday, December 27, 2011

F-22 Raptor


          The Lockheed-Martin F-22 Raptor is a single seat, twin-engined air superiority fighter.  Developed as a replacement for the F-15 Eagle, which entered service in the 1970's, the Raptor sets a new standard for air technology.  Equipped with two 35,000-pound thrust Pratt & Whitney F119-PW-100 afterburning turbofan engines, the top speed of the F-22 exceeds mach 2.4 (1,600 mph-2570 km/h), while its aerodynamically efficient airframe allows it to "supercruise" at mach 1.72 (1,140 mph-1830 km/h) at military (non-afterburning) thrust.
              The Raptor's airframe is made up of mostly carbon fiber composite panels and titanium, which serves as the cornerstone of the Raptor's stealthy profile.  In addition, the Raptor is equipped with vectorable thrust nozzels on the engines which improve the aircraft's maneuverability.

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