把“性价比”刻进火箭DNA里 点赞“朱雀三号”的回收技术

Group 1 - The "Vibrant China Research Tour" has highlighted the innovative development of commercial aerospace in Beijing [1] - The "Zhuque-2" is China's first liquid oxygen-methane launch vehicle to successfully reach orbit, powered by the "Tianque" series engines developed by Blue Arrow Aerospace [3] - The upcoming "Zhuque-3" rocket, which features vertical recovery capabilities, is set to conduct its maiden flight in Q4 of this year, aiming to become China's first reusable liquid rocket [3][5] Group 2 - The key technological breakthrough of "Zhuque-3" compared to "Zhuque-2" is its reusability, which is essential for achieving a low-cost, high-frequency, and high-capacity commercial aerospace model [5] - "Zhuque-3" has a larger size with a diameter of 4.5 meters and can carry up to 18 satellites, utilizing a stainless steel structure and equipped with landing legs and grid fins for vertical recovery [5] - The first stage of the rocket accounts for 70% of the total launch cost, indicating significant cost savings through its recovery [5] Group 3 - The confidence in precise recovery comes from the nine-engine parallel propulsion system, which recently achieved a thrust of over 7500 kN during ground testing, setting a new record for China's commercial liquid rocket testing [7] - The propulsion system consists of nine independently adjustable "Tianque-12" engines, allowing for precise thrust control and directional adjustments [7][9] - The recent test demonstrated a full-system operational rehearsal, confirming that "Zhuque-3" is a verifiable and deliverable system, integrating private aerospace capabilities into the national strategic technology framework [9]