According to a recent report by China Aerospace Technology Corporation, it is a new rocket much larger than the Long March 5 currently under development. Scientists estimate that LM9 has a similar size with American proposed SLS, total length may reach to 85 meters, first stage will be 500 tonne kerosene engine, total lift may be around 3000 tonne. it will have two types, for low orbit it will be a two and half stage structure, with a total load of 100 tonne, for lunar-earth orbit, it will be a three and half stage with a total load of 50 tonne. It is designed to enable China's manned moon mission in the coming years.
background the accessory YF660 engine structure of Long March 9
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