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“大力士”长五起飞时的推力约1060吨,其中大约90%以上的推力来自于4个直径3.35米的助推器。3.35米,是我国现役主流火箭的芯一级直径,也就是说,一枚长五的助推器,与我们熟知的其他长征火箭主体一样粗。全新结构意味着设计、仿真、制造、试验的各环节都要更新换代,甚至是从零开始。“研制规模与难度很大,不亚于现役运载火箭的芯级。”来自中国航天科技集团公司的长五副总指挥兼副总设计师鲍国苗说。
“Strong man ” Long five off when the thrust of about 1,060 tons, of which about 90% of the thrust from the 4 diameter 3.35 meters booster. 3.35 meters, is the core diameter of the mainstream rocket in active service in China, that is to say, a long five booster, as rough as the other long march rocket bodies that we are familiar with. The new structure means that the design, simulation, manufacturing, testing all aspects of the need to be replaced, or even from scratch. “The development scale and difficulty is great, no less than the core level of active carrier rocket.” "From the China Aerospace Science and Technology Corporation Long five deputy commander and deputy chief designer Bao Guomiao said.