RL10A-3-3
Pratt & Whitney RL10A-3-3 cryogenic upper-stage engine used on the earlier Atlas-Centaur SLV-3C generation, retained distinctly from the later RL10A-3-3A variant used on Centaur D-1A and Atlas II.
Identity
- Aliases
- RL-10A-3-3RL10A-3-3 engine
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- RL10A-3-3
- Status
- retired
Details
- Description
- Pratt & Whitney RL10A-3-3 cryogenic upper-stage engine used on the earlier Atlas-Centaur SLV-3C generation, retained distinctly from the later RL10A-3-3A variant used on Centaur D-1A and Atlas II.
- Developers
- Family
- Propellants
- liquid hydrogenliquid oxygen
Links
Assets & Meta
- Creation Time
- August 1, 2026 at 14:02:51 UTC
- Updated Time
- August 1, 2026 at 14:02:51 UTC
Other
- Sources
- Accessed Date
- 2026-08-01
- Note
- NASA identifies the Atlas SLV-3C/SLV-3D Centaur propulsion generation and names the RL10A-3-3 engines used on the Centaur stage.
- Publisher
- NASA Technical Reports Server
- Title
- Atlas-Centaur launch vehicle data
- Accessed Date
- 2026-08-01
- Note
- NASA documents the standardized SLV-3C Atlas-Centaur vehicle and its standard MA-5 booster generation, establishing the earlier Centaur configuration boundary.
- Publisher
- NASA Technical Reports Server
- Title
- Atlas SLV-3C launch vehicle report
- Accessed Date
- 2026-08-01
- Note
- NASA documents the RL10 derivative lineage used to distinguish the RL10A-3-3 and RL10A-3-3A variants.
- Publisher
- NASA Technical Reports Server
- Title
- Cryogenic upper stage propulsion: RL10 and derivative engines