国内首款3D打印航空发动机完成飞行试验

Core Viewpoint - The article highlights the successful first flight test of China's first 3D-printed turbojet engine, marking a significant advancement in domestic aerospace technology and filling a gap in the application of 3D printing in engine manufacturing [1] Group 1: Technical Details - The drone used for the flight test measures 3.3 meters in length and has a wingspan of 2.1 meters [1] - The drone reached an altitude of 6000 meters during the test, with a flight duration of 30 minutes and a maximum speed of 0.75 Mach [1] Group 2: Industry Significance - This engine represents China's first independently developed 3D-printed turbojet engine, indicating a major step forward in the country's aerospace capabilities [1] - The development of this engine fills a significant gap in the domestic application of 3D printing technology in the manufacturing of complete engines [1]