RS-27
Rocketdyne's kerosene engine derived from H-1 and Thor hardware for Delta, also used in pairs in Atlas II's MA-5A booster package.
Identity
- Aliases
- RS-27 (two-chamber booster)
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- RS-27
- Status
- retired
Details
- Description
- Rocketdyne's kerosene engine derived from H-1 and Thor hardware for Delta, also used in pairs in Atlas II's MA-5A booster package.
- Developers
- Lineage
- Note
- NASA identifies RS-27 as developed from H-1 and Thor engine hardware for Delta.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Manufacturers
- Propellants
- RP-1liquid oxygen
- Rocket Specs
- Chamber Count
- 1
Links
- Official Url
- https://ssfl.msfc.nasa.gov/history/programs
Assets & Meta
- Creation Time
- July 29, 2026 at 11:09:02 UTC
- Updated Time
- July 29, 2026 at 11:10:09 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- NASA
- Title
- Santa Susana Field Laboratory program history: Thor and RS-27
- Accessed Date
- 2026-07-29
- Publisher
- Lockheed Martin
- Title
- Atlas Launch System Mission Planner's Guide, Revision 7
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Atlas IIAS official vehicle reference