China successfully develops and tests cutting-edge hypersonic aircraft
The hypersonic vehicle was first carried by a solid-propellant rocket and then separated as its own propulsion system took over.
China has successfully developed and tested a cutting-edge hypersonic aircraft that rides its own shock waves, authorities said on Monday.
The China Academy of Aerospace Aerodynamics here announced that the first flight test of its Starry Sky 2-which it calls the nation's first hypersonic experimental waverider vehicle was conducted last week at an unidentified testing field in northwestern China, reports the China Daily. It said the test was a "huge success".
A waverider is a hypersonic aircraft that has a wedge-shaped fuselage designed to improve its supersonic lift-to-drag ratio by using the shock waves generated by its own flight as a lifting force.
During the independent flight, the test craft maintained ultrafast speeds above Mach 5.5 for more than 400 seconds and reached Mach 6-7,344 km/h, according to a statement from the academy.
The US tested an experimental wave rider from 2010 to 2013 that was designed to reach Mach 6. Tagged as the fastest aircraft ever built, the US HTV-2-which was not a waverider-achieved a record speed of Mach 20, or 24,480 km/h, during its first flight in April 2010.
The fastest manned aircraft in service is the Russian Mikoyan-Gurevich MiG-25, which boasts a maximum speed of 3,470 km/h. A Boeing 747-400ER passenger jet cruises at about 933 km/h.The research, sponsored by China Aerospace Science and Technology Corp, aims to demonstrate new aerodynamic technologies. It said the design of Starry Sky 2 took three years.
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