力箭二号一级动力系统试车圆满成功 中科宇航液体动力系统试验中心同步建成投用

Group 1 - The successful test of the first-stage propulsion system of the Lijian-2 liquid launch vehicle marks a significant milestone in the development phase, validating key technologies and laying the foundation for the maiden flight of the Light Boat cargo spacecraft [1] - The propulsion system test is the most complex and challenging ground test in the rocket development process, ensuring the reliability and stability of the rocket's flight [1] - The test verified the coordination and compatibility of the rocket's first-stage pressurization delivery system with the engine system, as well as the correctness of interfaces among propulsion, structure, avionics, and launch support systems [1] Group 2 - The test was conducted at the China Aerospace Science and Technology Corporation's liquid propulsion system test center in Guangzhou, which has been fully completed and passed the test assessment [2] - The test center is a leading domestic facility with capabilities for testing 200-ton liquid rocket engines and 400-ton integrated propulsion systems, crucial for the development of key technologies for commercial rocket recovery [2] - The upcoming completion of the technical preparation building and dedicated launch site for the Lijian-2 liquid launch vehicle in Jiuquan, Gansu, will enable an "out-of-factory, immediate launch" model, significantly shortening the preparation cycle for commercial rocket launches [2]