Introducing the Longyun Methane Engine: Powerful Rocket Engine for Large Rockets

The “Longyun“ liquid oxygen methane engine is the first multi-start, reusable, high-thrust liquid rocket engine launched by JiuZhou YunJian. It can be used as the main thrust engine for medium and large liquid carrier rockets. The sea level thrust-to-weight ratio of the “Longyun“ engine is greater than 80, with a sea level thrust of 70 tons and a vacuum thrust of 80 tons. The thrust can be adjusted from 32% to 106%. It can be used in parallel with 5 engines for a diameter rocket, 7 engines for a diameter rocket, and 9 engines text. Source: