A’s Legacy Go Operational? -In 2004, NASA’s X-43A set the air-breathing speed record at Mach 9.6, validating scramjet combustion but only for 10 seconds before gliding to splashdown. -The demo ended ...
Found And Explained on MSN

Why This Jet Concept Has 68 Engines

Why did someone propose 68 engines on one plane? The Griffith VTO concept attempted to overcome the hardest problems in ...