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近日,由中国航天科技集团公司六院研制的120吨液氧煤油发动机500秒长程试车再次获得圆满成功。本台发动机试车状态为新一代小型运载火箭一子级飞行状态,通过长时间试车,对发动机长程工作的可靠性、伺服机构与滚控装置联合工作的协调性等项目进行了考核,并覆盖了发动机的飞行时序、额定工况关机等项目。本次500秒热试车完成后,120吨液氧煤油发动机试车已超过上百次,累计点火工作时间已超过40000秒,发动机的固有可靠性得到了进一步验证,向型号首飞迈出了更加坚实的一步。
Recently, the 500-second long-range test run of the 120-ton liquefied-oxygen kerosene engine developed by the six homes of China Aerospace Science and Technology Corporation once again achieved a complete success. The status of the engine test was a new generation of small carrier rocket sub-flight status, through a long test, the reliability of the engine long-range work, the servo and roll control device joint work coordination and other projects were assessed and covered Engine flight timing, rated conditions shutdown and other projects. The 500-second hot test completed, 120 tons of liquefied oxygen kerosene engine test has more than hundreds of times, the cumulative ignition time has more than 40,000 seconds, the inherent reliability of the engine has been further verified, the first flight to take a more solid A step.