猛禽 3 号发动机
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商业航天-火箭环节专题汇报
2026-02-02 02:22
太空算力是商业航天核心变量,SpaceX 计划部署百万颗卫星构建太空 算力集群,目标五年内实现太空 AI 训练和推理成本最低,利用太阳能和 真空散热优势。 火箭是卫星入轨的主要方式,全球轨道资源竞争加剧,SpaceX 在 2026 年 1 月完成 13 次发射,累计发射超 11,000 颗卫星,中国需加大 火箭发射力度。 中国在轨卫星数量超 1,000 颗,但年发射强度不足,如"千帆"项目年 度目标完成度低。政策支持可回收复用技术,上交所科创板为未盈利但 具核心技术的企业提供上市通道。 火箭产业链包括零部件制造、总体设计总装和发射服务。液体发动机是 核心,可回收液体火箭发动机前景明确,3D 打印推力室受关注,可降低 复杂性并提升效率。 3D 打印通过材料累加实现零部件成型,优势在于轻量化和一体化制造。 SpaceX 用金属 3D 打印推动猛禽 3 号发动机研发,国内加速攻关金属 3D 打印及可回收复用技术。 商业航天-火箭环节专题汇报 20260201 摘要 火箭在商业航天中的作用如何? Q&A 商业航天领域在 2023 年至 2025 年间经历了哪些重要变化? 在 2023 年至 2025 年间,商业航天领 ...
马斯克:25 至 30 年内或可在火星建立自给自足的人类定居点
Sou Hu Cai Jing· 2025-09-18 15:15
Core Insights - Elon Musk stated that a self-sustaining human settlement on Mars could be established within 25 to 30 years if launch capabilities significantly improve in the coming decades [1][6] Group 1: Mars Settlement Goals - Musk emphasized that true self-sufficiency on Mars requires all elements necessary for civilization, including food production and microchip manufacturing [5] - The Starship Version 3 is expected to support the first unmanned Mars test flight, with future iterations potentially reaching a height of 466 feet (approximately 142 meters) and capable of carrying larger payloads essential for establishing a settlement [5] - Musk believes that if progress is made smoothly, the aggressive timeline for building a Martian city could be compressed to as short as 30 years [5] Group 2: Launch Capacity and Transfer Windows - Musk estimated that achieving self-sufficiency on Mars would require approximately 10 to 15 Mars transfer windows, which occur every two years when planets align favorably for transfer [6] - He noted that if the tonnage sent to Mars during each transfer window can achieve exponential growth, it would take about 25 years to establish self-sufficiency [6] Group 3: Role of Starship - The Starship has completed 10 full-stack flight tests, with the most recent flight in August marking the first successful deployment of payloads in orbit [7] - The next flight will conclude the Starship Version 2 project, transitioning to Version 3, which will feature Raptor 3 engines and a redesigned structure with an orbital payload capacity exceeding 100 tons [7] - Despite the successful reuse of the Super Heavy booster, the reusability technology for the Starship itself is still under development, with the thermal protection system being the biggest technical challenge [7]