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<!--BEGIN SPECIFICATIONS--> YF-23 Black Widow II Specifications Primary Function: Fighter Prototype Contractor: Northrop Crew: One Unit Cost: N/A Powerplant Two Pratt & Whitney F119-PW-100's of approximately 35,000 lbs. thrust each with afterburner or two General Electric F120-GE-100 turbofans. Engine competition won by Pratt & Whitney Dimensions Length: 67 ft. 5 in. Wingspan: 43 ft. 7 in. Height: 13 ft. 11 in. Weights Empty: N/A Maximum Takeoff: approx. 54,000 lbs. Performance Speed: approximately Mach 2.0 Ceiling: approximately 65,000 ft Range: N/A Armament N/A <!--END SPECIFICATIONS--> <!--BEGIN ACHIEVEMENTS--> YF-23 Black Widow II Achievements The YF-23 was the newest technology demonstrator from the Northrop company. <!--END ACHIEVEMENTS--> <!--BEGIN FEATURES--> YF-23 Black Widow II Features The YF-23 prototypes are 67.4 feet in length and have wingspans of 43.6 ft. During the Advanced Tactical Fighter program, one YF-23 was powered by twin Pratt and Whitney YF119 turbofan engines, while the other had two General Electric YF120 turbofan engines installed. The aircraft achieved a speed of around Mach 1.8 throughout the program. <!--END FEATURES--> <!--BEGIN BACKGROUND--> <!-- YF-23 Black Widow II Background --> <!--END BACKGROUND-->
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