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The Northrop/McDonnell Douglas YF-23 is an American single-seat, ... Specifications (YF-23A) YF-23 3-view drawing from Northrop/McDonnell Douglas YF-23 PAV-1 in flight.
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 ...
Northrop and McDonnell Douglas submitted the YF-23. Lockheed, Boeing and General Dynamics proposed and built the YF-22, which, although marginally slower and having a larger radar cross-section, was more agile than the YF-23. The Lockheed team was picked by the Air Force as the winner of the ATF in April 1991.
However, the cited books in this article are written by people with direct connections to the YF-23, namely Alfred "Paul" Metz, YF-23 PAV-1 test pilot, and Air Force Materiel Command researchers and archiver, Tony Landis and reputed aviation author Dennis Jenkins. If that is the case, I can upload a non-free thumbnail version under fair use.
Defense contractor Northrop Grumman landed a pair of Pentagon contracts Thursday, worth nearly $38 million in aggregate. The larger of the two contracts, valued at $26 million, is a firm-fixed ...
Northrop team's YF-23 (above) and Lockheed team's YF-22 (below) flying in formation. The first YF-23 made its maiden flight on 27 August 1990 and the first YF-22 first flew on 29 September 1990. [53] Flight testing began afterwards at Edwards Air Force Base and added the second aircraft for each competitor in late October 1990. [54]
The second YF-23 (left), nicknamed “Spider”, was powered by two YF120 engines. Due to the ATF's increasing weight during development from 50,000 lb (22,700 kg) to 60,000 lb (27,200 kg), thrust requirement was increased by 20% to over 23,500 lbf (105 kN) in military/intermediate power and 35,000 lbf (156 kN) class in full afterburner in ...
[33] [34] Northrop Grumman has expressed interest in joining the project; [35] with speculation that a modernized YF-23 might be offered to Japan. [36] Japan and U.K. have also further explored the possibility on collaborating the F-X project with the Tempest project to some capacity. [37]