On November 16, 2004, the unmanned experimental hypersonic aircraft NASA X-43A set a new speed record of 10,617 km/h or Mach 9.65. With this flight the X-43A became the fastest free flying air-breathing aircraft in the world. The X-43A was propelled by a so-called scramjet, is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow. NASA’s Hyper-X program, involving the American space agency and contractors such as…Read more
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