China tests new Mach 4 turbojet engine, could be used in PLA spy planes

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China tests new Mach 4 turbojet engine, could be used in PLA spy planes
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Chinese scientists have tested a turbojet engine, capable of touching Mach 4 speeds, sparking rumors of a new SR-71-like spy plane.

Chinese scientists from the Taihang National Laboratory, an aerospace research instituted located in southwest region of the country, have completed ground tests on a new superfast turbojet engine. According to reports, the new engine incorporates artificial intelligence and can reach speeds of up to Mach 4.The engine and research behind it are part of China ’s quest to build fast reconnaissance aircraft similar to the America’s legendary Lockheed Martin SR-71 ‘ Blackbird ’.

To this end, the scientists developed an “enhanced high-Mach adaptive model” to improve the engine’s performance, enabling it to work “smartly” under nearly all operating conditions. This, in part, helps the design meet the People’s Liberation Army’s “engineering application requirements,” the team explained.The development process, however, was not without challenges.

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