San Francisco : Architect and Engineer, Inc · leaf 297
e, Son Antonio, Texas Shortly after World War II, the U. S. Air Forceexperimental airplane XS-1 exceeded the speed ofsound. For about a year, this was denied officiallybut was finally confirm-ed as a scientific andmilitary fact availablefor publication. Prior tothis accomplishment,the nonscientific… … erable mention has been made with regard toshock waves, buffeting, drag increases, and otherundesirable phenomena encountered near thespeed of sound. Relatively little information isavailable, outside of the specialized field of aero-dynamics, regarding the meaning of such unde-fined terms. It is…
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