[Scott Manley]’s video “How Hypersonic Wind Tunnels Recreate Mach 20” (embedded below ... propeller driven aircraft that can exceed Mach 1. Since an aircraft can’t reach those speeds ...

The car is an original Q-code Mach 1 428 Cobra Jet Non-Ram Air, but the engine is missing in action, replaced by a mongrel of ...

NASA validated Seebass-George during 1972 wind tunnel testing for regimes at Mach 1.5 and 2.7. (The model was ... this time in partnership with Lockheed and with $20 million in federal support.