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The Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed Corporation. The interceptor was developed during the late 1950s and early 1960s as a potential replacement for the F-106 Delta Dart interceptor for the United States Air Force (USAF).
The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a unique compressor bleed to the afterburner that gave increased thrust at high speeds.
The YF-12 program was a limited production variant of the A-12. Lockheed convinced the U.S. Air Force that an aircraft based on the A-12 would provide a less costly alternative to the recently canceled North American Aviation XF-108, since much of the design and development work on the YF-12 had already been done and paid for. Thus, in 1960 the ...
designs for a commercial helicopter, using the rigid-rotor system from the Cheyenne. 1195 CL-1195: designs for fighter, proposal for the "Free World Fighter" program circa 1969 1200 CL-1200 Lancer: development of the F-104. became CL-1600 / X-27 1201 Lockheed CL-1201: Design study for 6,000 ton nuclear powered transport 1800 CL-1800: helicopter ...
NASA_YF-12_Overview.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 26 min 38 s, 604 × 360 pixels, 482 kbps overall, file size: 91.75 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
[N 1] Development of the F-108 radar and missiles was continued by the USAF and the system was eventually used in the Lockheed YF-12 program. [14] The final configuration for the rear cockpit in the YF-12A looked similar to that of the F-108 since it incorporated the same displays and controls required for the Hughes AN/ASG-18 fire control ...
Lockheed F-80C Shooting Star 49-696 [98] Lockheed F-94A Starfire 49-2498 [99] Mikoyan-Gurevich MiG-15bis 2015357 – Soviet fighter of the Korean People's Air Force defected to Seoul, later flown by Chuck Yeager [100] North American B-45C Tornado 48-0010 [101] North American F-82B Twin Mustang 44‐65162 – configured as an F-82G [102]
The YF-22 and YF-23 in formation during flight testing in the early 1990s The squadron was first activated as the 6511th Test Squadron in March 1989 to conduct the Advanced Tactical Fighter program. It began flying the Northrop YF-23 on 27 August and the Lockheed YF-22 on 29 September 1990, flying both through December 1990, though the ...