Merlin 1C
SpaceX gas-generator Merlin 1C variant used by Falcon 1 and Falcon 9 v1.0. FAA records the Falcon 9 first-stage configuration at 423 kN sea-level thrust, more than 480 kN vacuum thrust, and 304 s vacuum specific impulse; vehicle configuration affects the installed rating.
Identity
- Aliases
- Merlin 1CSpaceX Merlin 1CMerlin-1CMerlin 1C engine
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- Merlin 1C
- Status
- retired
Details
- Description
- SpaceX gas-generator Merlin 1C variant used by Falcon 1 and Falcon 9 v1.0. FAA records the Falcon 9 first-stage configuration at 423 kN sea-level thrust, more than 480 kN vacuum thrust, and 304 s vacuum specific impulse; vehicle configuration affects the installed rating.
- Developers
- Family
- Manufacturers
- Propellants
- RP-1liquid oxygen
- Rocket Specs
- Cycle
- gas-generator
- Sea Level Thrust Kn
- 423
- Vacuum Specific Impulse S
- 304
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 08:54:03 UTC
- Updated Time
- August 23, 2026 at 09:42:43 UTC
Other
- Sources
- 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
- Falcon 9 v1.0 official vehicle reference
- Accessed Date
- 2026-07-29
- Publisher
- SpaceX
- Title
- RazakSAT Mission
- Accessed Date
- 2026-07-29
- Publisher
- SpaceX
- Title
- Falcon User Guide
- Accessed Date
- 2026-08-14
- Note
- FAA records the Merlin 1C Falcon 9 first-stage configuration at 423 kN sea-level thrust, more than 480 kN vacuum thrust, and 304 s vacuum specific impulse; the stored description scopes those figures to that vehicle configuration.
- Publisher
- Federal Aviation Administration
- Title
- 2008 U.S. Commercial Space Transportation Developments and Concepts