The first YF-23, with Pratt & Whitney engines, supercruised at Mach 1.43 on Sep. 18, 1990, while the second, with General Electric engines, reached Mach 1.6 on Nov. 29, 1990. By comparison, the YF-22 ...
Key Point: The YF-23 wasn’t a bad design. Its competition was just that much better. For every winner, there is also a second best. When it comes to military hardware there are plenty of designs that ...
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