But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
Scholl alluded to that technology during the test-flight ... Startup's proving plane breaks sound barrier BOOM! Startup's proving plane breaks sound barrier Boom founder: We need ...
"XB-1 broke the sound barrier three times during its first supersonic flight – without an audible boom," said Blake Scholl ... The efficiency and technology combinations haven't quite been ...
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