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YF-23 S-duct engine air intake with the porous suction panel in front. The YF-23 was statically unstable — having relaxed stability — and flown through fly-by-wire which provided artificial stability with the flight control surfaces controlled by a central management computer system.
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio
Competed against the YF-23 in the Advanced Tactical Fighter (ATF) program. Further developed into the F-22. 1990 Never 2 YF-23: Stealth fighter/ technology demonstrator Northrop/McDonnell Douglas Competed against the YF-22 in the Advanced Tactical Fighter (ATF) program. Unofficially nicknamed Black Widow II. [80] [81] 1990 Never 2 X-62 (NF-16D ...
Download as PDF; Printable version; From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Northrop YF-23; This page is a ...
The YF-23 is a liquid rocket vernier engine, burning N 2 O 4 and UDMH. [5] It is used in along the YF-22 to form the YF-24 and YF-25 propulsion modules. [ 3 ] [ 6 ] [ 7 ] [ 8 ]
The Northrop/McDonnell Douglas group promoted the larger YF-23." I might be wrong, but I don't think anything would be lost here by deleting the first sentence and going with: "Lockheed, Boeing and General Dynamics entered the YF-22, while Northrop and McDonnell Douglas promoted the larger YF-23."
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 ...
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.