中国政策档案 Governance Archive HOLDINGS 191,882 · FONDS 70
Record · 科技日报 ACC. 900034378

Single Longest Working Time Reaches 400 Seconds! Lijian-2 Rocket Main Engine Completes Long-Duration Qualification Test

单次最长工作时间400秒！力箭二号火箭主发动机完成长程鉴定试车

Issuer
科技日报
Date
2026-06-30
Instrument
other
Cited by
0
This article reports that the 110-ton-class Liqin-2 pintle-type liquid oxygen kerosene engine, independently developed by Zhongke Yuhang, has successfully completed a new round of long-duration qualification tests, with a single longest working time of 400 seconds, covering 3.5 times the actual flight duration.
Full text · 原文 515 字
近日，中科宇航自主研制的110吨级力擎二号针栓式液氧煤油发动机，圆满完成新一轮长程鉴定试车考核。经考核，发动机单次最长工作时间400秒，覆盖并超越了火箭实际飞行过程中发动机工作时间的3.5倍。力擎二号后续将作为可重复使用运载火箭“力箭二号”和“力箭二号重型”的主发动机。<br> （科技日报 李忠明 何沛苁 付毅飞）5398912026-06-30 18:18:21:811李忠明 何沛苁 付毅飞单次最长工作时间400秒！力箭二号火箭主发动机完成长程鉴定试车1324滚动滚动<br> https://www.stdaily.com/web/gdxw/pic/2026-06/30/539891_c86b5ee7-9abf-4cbd-a20c-25a7ec2c69f3.jpg<br> https://www.stdaily.com/web/gdxw/pic/2026-06/30/539891_c86b5ee7-9abf-4cbd-a20c-25a7ec2c69f3.jpg<br> https://www.stdaily.com/web/gdxw/2026-06/30/content_539891.htmlnull科技日报100/enpproperty-->