中科宇航力擎一号发动机完成变推力摇摆试车考核

Core Viewpoint - The successful testing of the "Liqing No. 1" engine marks a significant advancement in reusable rocket technology, showcasing high performance and efficiency in the aerospace sector [1] Group 1: Engine Development - The "Liqing No. 1" engine, developed by the company, is a 30-ton class engine that has completed a total of 1,300 seconds of testing, exceeding the flight duration of a reusable rocket's first stage by more than five times [1] - The engine features a pin-injector structure for both the combustion chamber and generator, manufactured using integrated stainless steel 3D printing technology, which enhances combustion efficiency and stability [1] Group 2: Performance Metrics - During testing, the engine successfully achieved a deep throttling adjustment from 100% to 50%, with a thrust precision adjustment capability of 1% [1] - The engine's performance metrics are described as excellent, indicating its readiness for future applications [1] Group 3: Future Developments - The "Liqing No. 2," a 110-ton class engine, is currently in a critical development phase, with preparations underway for a 200-second long-range test [1]