3D打印制造！这款微型涡喷发动机完成首次单发飞行试验

Core Insights - The China Aviation Engine Group has successfully completed the first single-engine flight test of its 3D-printed lightweight micro turbojet engine, achieving a flight duration of 30 minutes at an altitude of 6000 meters and a speed of 0.75 Mach [2] Group 1 - The successful flight test demonstrates the engine's reliability at higher altitudes and in more complex environments, validating its compatibility with aircraft and showcasing promising application prospects [2] - This engine is the first domestically developed 3D-printed lightweight micro turbojet engine with a thrust of 160 kilograms, utilizing multidisciplinary topology optimization and 3D printing technology to achieve lightweight and high-performance design goals [2] - Over three-quarters of the engine's components, including all rotor parts, are manufactured using 3D printing, resulting in reduced part count, lighter weight, and simplified maintenance [2] Group 2 - With ongoing design optimization and deeper application of 3D printing technology in the aviation engine sector, the development cycle for engines is expected to shorten, accelerating China's independent research and manufacturing of aviation power [3]