YF-77
The cryogenic hydrogen-oxygen engine used in pairs on the Long March 5 core first stage.
Identity
- Aliases
- YF-77 hydrogen-oxygen engine
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- YF-77
- Status
- active
Details
- Description
- The cryogenic hydrogen-oxygen engine used in pairs on the Long March 5 core first stage.
- Propellants
- liquid hydrogenliquid oxygen
Links
Assets & Meta
- Creation Time
- August 1, 2026 at 15:00:30 UTC
- Updated Time
- August 1, 2026 at 15:00:30 UTC
Other
- Sources
- Accessed Date
- 2026-08-01
- Note
- The CNSA article identifies two YF-77 hydrogen-oxygen engines on the Long March 5 core first stage.
- Publisher
- China National Space Administration
- Title
- Long March 5: numbers behind the rocket
- Accessed Date
- 2026-08-01
- Note
- CNSA identifies YF-77 as one of the new engines developed for the Long March 5 family.
- Publisher
- China National Space Administration
- Title
- New features of the Long March 5 carrier rocket