我国又一新型火箭发动机完成首次整机试验

Core Viewpoint - The successful completion of the first integrated test of a 140-ton reusable liquid oxygen-methane engine marks a significant breakthrough in China's development of large-scale liquid oxygen-methane engines, which are crucial for reusable launch vehicles and heavy-lift rockets [1] Group 1 - The 140-ton liquid oxygen-methane engine is currently the largest open-cycle liquid oxygen-methane engine in China, providing essential core power for reusable launch vehicles [1] - The engine's development began in September 2024, with the program review completed in the same month, and the first successful integrated test was achieved in just seven months [1] - This engine is expected to play a vital role in various fields, including the transportation system between Earth and space, reusable vehicles, and heavy-lift rockets [1]