力箭二号一级动力系统试车成功

Core Viewpoint - The successful test of the first-stage propulsion system of the Lijian-2 liquid launch vehicle marks a significant milestone in the development phase, laying a solid foundation for the maiden flight of the light cargo spacecraft [1][3]. Group 1: Test Details - The test conducted on June 11 at the China Aerospace Science and Technology Corporation's liquid propulsion system testing center validated key technologies of the Lijian-2 [1][3]. - The test involved the engine starting, oscillating, and shutting down according to a predetermined program, confirming the normal operation of the system [3]. - The test covered the flight mission profile and effectively assessed the coordination between the booster delivery system and the engine system, as well as the correctness of system interfaces [3]. Group 2: Testing Center Significance - The successful test signifies the completion and passing of assessments for the liquid propulsion system testing center, which is a leading large-scale testing facility in China [3][4]. - The center has the capability to test 200-ton liquid rocket engines and conduct comprehensive testing of 400-ton propulsion systems, essential for mass production and propulsion research [3][4]. - It is the only testing institution in China with both liquid engine testing and rocket propulsion system testing capabilities, making it crucial for the development of key technologies for commercial rocket recovery [4].