近日，中国民营航天企业蓝箭航天的朱雀三号火箭在一次关键试车中出现异常，总指挥在内部总结会上坦言：‘最后一脚刹车没踩好’。这句话形象地比喻了火箭在最后阶段控制系统未能精准执行减速或稳定指令，导致试车未达预期目标。朱雀三号是中国首款计划实现可重复使用的一级液体运载火箭，其核心目标是通过垂直回收技术大幅降低发射成本。此次试车聚焦于着陆段的制导与控制算法验证，虽整体流程基本完成，但在最后几秒的姿态调整和速度控制上出现偏差，未能实现理想着陆状态。总指挥用‘刹车’这一通俗说法，既体现了工程团队对问题的坦诚态度，也反映出可回收火箭技术的极高难度——如同高速行驶的汽车在指定位置精准停下，毫厘之差即可能导致失败。目前，蓝箭航天已组织专项复盘，优化控制逻辑与传感器融合策略，为下一次试飞做准备。尽管遭遇挫折，但业内普遍认为，此类技术探索是中国商业航天走向成熟必经之路。
Recently, during a critical test of the Zhuque-3 rocket developed by Chinese private aerospace company LandSpace, an anomaly occurred. The chief commander candidly remarked in an internal review meeting: “We didn’t hit the brakes properly on the final stretch.” This vivid metaphor refers to the rocket’s failure to precisely execute deceleration or stabilization commands in its final phase, causing the test to fall short of expectations. Zhuque-3 is China’s first liquid-fueled launch vehicle designed for reusability, aiming to significantly reduce launch costs through vertical recovery technology. The recent test focused on validating guidance and control algorithms during the landing phase. Although the overall sequence was largely completed, deviations in attitude adjustment and velocity control during the final seconds prevented an ideal landing. The commander’s use of the term “brakes” reflects both the team’s transparency about the issue and the extreme technical difficulty of reusable rockets—akin to stopping a high-speed car precisely at a designated spot, where even a tiny error can lead to failure. LandSpace has now launched a dedicated review to refine control logic and sensor fusion strategies in preparation for the next flight test. Despite this setback, industry experts widely view such trials as essential steps toward the maturity of China’s commercial space sector.
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