来自MSN6 个月
YF-23 Black Widow: The Fighter Jet That Could Have Replaced the F-22 Raptor
The aircraft packed a pair of Pratt & Whitney YF119-PW-100 engines that gave the YF-23 to supercruise at Mach 1.43 (or about 1,088 miles per hour), meaning that it could maintain that airspeed ...
The National Interest on MSN2 天
The F/A-18 Hornet: Inside the Navy Plane that Almost Never Flew
The Air Force passed on the YF-17 prototype, preferring the more agile F-16. But Navy planners liked it—ultimately ...
新浪网14 天
再创纪录，我国 YF-75 氢氧发动机第 400 台试车成功
IT之家 3 月 22 日消息，中国航天科技集团六院北京航天试验技术研究所宣布，YF-75 氢氧发动机昨日圆满完成第 400 台试车任务。该发动机也创造了 ...
The National Interest1 个月
How Politics Killed America’s Greatest Fighter Jet
The Pentagon funded the YF-22 over the cheaper YF-23 when they knew it was a far more problematic warplane—purely out of a desire to keep Lockheed Martin alive. The late United States Air Force ...