Lingyun is the first liquid rocket engine launched by Kyushu Yunjian for the commercial aerospace market. It is the first liquid engine product with multiple start-up, deep thrust change capability and supporting rocket recycling and reuse in the domestic aerospace field. Excellent multiple start-up capability and 20% - 100% measured variable thrust performance can meet the launch, recovery and reuse of small liquid rocket through multi-level parallel connection, applicable to a variety of loads and scenarios, and has a broader demand in the upper stage of the rocket. At present, the "Lingyun" engine has completed the deep variable thrust hot test run assessment and passed the customer review.

Engine parameters

Times of repeated use:≥50次

Longyunis the second large thrust, recyclable liquid rocket engine launched by Kyushu Yunjian. The sea-level design thrust weight ratio of the "Longyun" engine is > 75, the sea-level thrust is 65 tons, the vacuum version thrust is 80 tons, and the thrust adjustment range is 30% ~ 100%. At present, the "Longyun" engine has completed the gas generator hot commissioning assessment and passed the customer review, and will complete the overall commissioning assessment within 2020 and be officially launched to the aerospace market.

Engine parameters