I remember hearing about a Japanese Concorde years ago. This week news appeared that they Japanese supersonic
passenger plane development is still going on.
The Japanese Space Agency JAXA is planning a test in Australia of a unmanned model of the new supersonic plane. The test plane is supposed to reach MACH 2. The test should give insight into the aerodynamic performance of the design.
More details on the NewScientist. More details on the JAXA Supersonic Transport page.
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