TRW TR-201
TRW TR-201 hypergolic pressure-fed liquid rocket engine derived from the Apollo Lunar Module descent engine and used on Delta upper stages. This packet creates the exact propulsion identity only; Delta family installations, actor links, predecessor lineage, and other Delta-P variants remain out of scope.
Identity
- Aliases
- TR-201TR201Delta-P engine
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- TRW TR-201
- Status
- retired
Details
- Description
- TRW TR-201 hypergolic pressure-fed liquid rocket engine derived from the Apollo Lunar Module descent engine and used on Delta upper stages. This packet creates the exact propulsion identity only; Delta family installations, actor links, predecessor lineage, and other Delta-P variants remain out of scope.
- Lineage
- Note
- TR-201 was a fixed-thrust Delta upper-stage derivative of the Space Technology Laboratories Lunar Module Descent Engine (LMDE).
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Nested value
Links
Assets & Meta
- Creation Time
- August 6, 2026 at 18:59:51 UTC
- Updated Time
- August 6, 2026 at 19:04:14 UTC
Other
- Sources
- Note
- NASA identifies the TR-201 engine as used on a Delta upper stage and records its relation to the Lunar Module descent engine.
- Publisher
- NASA Technical Reports Server
- Title
- Roles Introduction: The role of AEDC in USAF Space
- Note
- NASA documents the Lunar Module descent propulsion system from which the TR-201 derivative was developed.
- Publisher
- NASA Technical Reports Server
- Title
- Apollo experience report: Descent propulsion system
- Note
- NASA provides the historical propulsion-system context for the Lunar Module descent engine and its later applications.
- Publisher
- NASA Technical Reports Server
- Title
- Apollo Lunar Module Propulsion Systems Overview