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<!--BEGIN SPECIFICATIONS--> XB-70 Valkyrie Specifications Primary Function: Initial mission was as mach 3 bomber, reassigned as test bed to test principles of compression lift. Contractor: North American Crew: Two (Pilot, co-pilot) Unit Cost: N/A Powerplant Six (6) General Electric YJ93-GE-3 turbojet engines. Each engine capable of producing up to 31,000 lb (14,060 kg) thrust (with afterburner). Dimensions Length: 196 ft, 0 in (59.74 m) Wingspan: 105 ft, 0 in (32.00 m) Height: 30 feet Weights Empty: Over 450,000 pounds Loaded: 534,700 lbs. loaded Performance Speed: 2,056 mph. (Mach 3.1) at 73,000 ft. Ceiling: 77,350 ft. Range: Intercontinental Armament None <!--END SPECIFICATIONS--> <!--BEGIN ACHIEVEMENTS--> XB-70 Valkyrie Achievements The XB-70 was one of the world's most exotic aircraft. Used a phenomenon called compression lift, which is caused from the shock wave generated by the airplane flying supersonically supporting part of the aircraft's weight. <!--END ACHIEVEMENTS--> <!--BEGIN FEATURES--> <!-- XB-70 Valkyrie Features --> <!--END FEATURES--> <!--BEGIN BACKGROUND--> <!-- XB-70 Valkyrie Background --> <!--END BACKGROUND-->
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