北京星际荣耀空间科技股份有限公司自主研发的液氧甲烷可重复使用验证火箭双曲线二号（代号 SQX-2Y）在我国酒泉卫星发射中心于 2023 年 11 月 2 日 14 时 00 分点火升空，约 1 分钟后，火箭在目标着陆点平稳精确着陆，火箭状态安全恢复，飞行试验任务取得圆满成功。本次任务属于国内首次开展液体火箭全尺寸一子级的垂直起降（VTVL）与重复使用飞行试验，执行本次飞行任务的 SQX-2Y 火箭是用于验证液氧甲烷重复使用运载火箭一子级垂直回收和重复使用的一型验证火箭。
IT 之家从公告中获悉，该火箭采用 3.35m 全尺寸箭体直径，全长约 17m，装配星际荣耀自主研发的焦点一号深度变推力液氧甲烷发动机（代号 JD-1），试验飞行高度 178.42m，飞行时间 50.82s，着陆位置精度约 1.68m，着陆速度 0.025m/s，着陆姿态角约 0.18°，滚动角约 4°，高精度圆满完成飞行试验任务。通过本次飞行试验，验证了星际荣耀重复使用液体火箭一子级总体方案的正确性，连续变推力液氧甲烷动力系统方案的正确性，火箭着陆段垂直软着陆导航、制导与控制方案的正确性，液氧甲烷火箭加注、发射、回收及后处理流程的正确性与协调性，验证了火箭着陆装置缓冲及支撑功能和性能，获取了液氧甲烷火箭重复使用关键技术核心试验数据，为公司正在研发的中大型可重复使用运载火箭 SQX-3 的研制提供了有力技术支撑。
新闻翻译：
Title: China’s Xingqi Hong Shuangxiang Double Curve II Rocket Successfully Conducted Full-Size One-Level Vertical Landing Trial
Keywords: Xingqi Hong, Double Curve II, Rocket, Vertical Landing, Trial
News Content:
On November 2, 2023, at 14:00, Beijing Xingqi Hong Space Technology Co., Ltd. successfully launched its liquid oxygen propane reusable verification rocket, Double Curve II (代号 SQX-2Y), at the Jiuquan Satellite Launch Center. About 1 minute later, the rocket landed smoothly and accurately at its destination. The flight test mission was a success, and the rocket’s status was confirmed to be safe. The mission marked the first time in China’s history for a liquid rocket full-size one-level vertical landing (VTVL) and reusable flight test.
The SQX-2Y rocket, which was developed by Xingqi Hong, uses a 3.35m full-size diameter and is about 17 meters long. It is equipped with Xingqi Hong’s original Focus One Deep Thrust Liquid oxygen propane engine (代号 JD-1). The test flight 高度 was 178.42 meters, and the flight time was 50.82 seconds. The landing position accuracy was approximately 1.68 meters, and the landing speed was 0.025 meters/s. The landing attitude angle was approximately 0.18°, and the roll angle was about 4°. The mission achieved a high level of success, successfully verifying the overall solution, continuous variable thrust liquid oxygen propane power system solution, vertical soft landing navigation, guidance, and control solution for the liquid oxygen propane rocket, and the correctness of the liquid oxygen propane rocket injection, launch, recovery, and post-processing process. The mission also obtained core experimental data for the reusable technology of the liquid oxygen propane rocket, providing 有力 technical support for the development of the medium-sized reusable rocket SQX-3.
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【来源】https://www.ithome.com/0/729/632.htm
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