As part of its long-term high-speed transport vision, the Japan Aerospace Exploration Agency (JAXA) is studying the potential development of a hypersonic flight experiment (Hytex) aircraft to demonstrate Mach 5 cruise capability. The ultimate aim is a Mach 4.5, Concorde-sized airliner around 285 ft. (87 meters) long, capable of taking 100 passengers over transpacific routes such as Tokyo to Los Angeles, says JAXA systems analyst Hadayuku Taguchi. The vehicle would incorporate dual ...


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