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法国空间研究中心和法国空间局在制定“赫尔墨斯”技术条件时要求它具有三角翼,并可重复使用,机长15~18米,翼展9~11米。运载器选用“阿里安-5”火箭,因此重量限制在13~17吨。起飞重量包括用于入轨、轨道机动飞行和再入的推进剂重量2.5吨。货舱直径为3米,容积35米~3,舱内可装4~5吨的有效载荷,它将作为空间站的运输工具来运送航天员和货物。其用
The French Space Research Center and the French Space Agency demanded that they have delta wings and be reusable in the development of the Hermes technology, with 15 to 18 meters of commander and 9 to 11 meters of wingspan. Carrier selection “Ariane-5” rocket, so the weight limit of 13 to 17 tons. The take-off weight includes 2.5 tonnes of propellant for in-orbit maneuver and reentry. The cargo holds are 3 meters in diameter and have a volume of 35 to 3 meters. The cargo holds 4 to 5 tons of payload and will serve as a space station for transporting astronauts and cargo. Its use