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The independently developed reusable liquid oxygen-kerosene engine, "Liqing No.1," by China Science and Technology Aerospace Corporation, has triumphantly concluded a rigorous 180-second engine test. This test covered a broad range of operating conditions, spanning from 50% to 100%, and involved two successful startups. The engine employs state-of-the-art pin-type injector technology and an innovative integrated 3D printed structure, boasting high combustion efficiency, remarkable stability, and adjustable thrust capabilities. With a formidable ground thrust of 294kN, it supports three startups and a thrust ratio variation that spans from 50% to 100%. This milestone achievement signifies a significant breakthrough in engine development and paves the way for its future integration into the reusable aircraft, "Lihong No.2".
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