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50吨氢氧发动机是我国首台大推力、高性能、地面起动直接入轨的氢氧发动机,由两台独立工作的单机通过机架并联构成,地面推力达100吨。采用燃气发生器动力循环,地面一次启动,具有混合比调节能力,可双向摇摆。由航天科技集团六院自主研制,具有完全自主知识产权、100%国产化,综合性能达到国际先进水平。它的研制成功,填补了我国大推力氢氧发动机空白,使我国液体火箭推进技术的整体水平跨上一个大的台阶。
50 tons of oxy-hydrogen engine is the first large-thrust, high-performance, ground direct orbit into the oxy-hydrogen engine, by two independent work stand-alone rack through the parallel composition of the ground thrust of 100 tons. Using gas generator power cycle, the ground started once, with mixing ratio adjustment capability, can swing in both directions. Six independent research and development by the Aerospace Science and Technology Group, with completely independent intellectual property rights, 100% localization, comprehensive performance reached the international advanced level. Its successful development has filled in the blank of the large-thrust oxy-hydrogen engine in our country and has stepped the entire level of our country’s liquid rocket propulsion technology to a large stage.