RD-191M
NPO Energomash modernized single-chamber LOX/kerosene staged-combustion engine for the upgraded Angara-A5M heavy launcher. Roscosmos reports completed development tests and a 10% thrust increase over RD-191; flight-service status remains development until an operational launch is evidenced.
Identity
- Aliases
- RD-191MRD191MNPO Energomash RD-191MAngara-A5M RD-191M
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- RD-191M
- Status
- development
Details
- Description
- NPO Energomash modernized single-chamber LOX/kerosene staged-combustion engine for the upgraded Angara-A5M heavy launcher. Roscosmos reports completed development tests and a 10% thrust increase over RD-191; flight-service status remains development until an operational launch is evidenced.
- Developers
- Family
- Manufacturers
- Propellants
- liquid oxygenkerosene
- Rocket Specs
- Cycle
- oxidizer-rich staged combustion
- Sea Level Thrust
- …
Links
- Official Url
- https://tass.com/science/1934417
Assets & Meta
- Creation Time
- August 15, 2026 at 04:09:33 UTC
- Updated Time
- August 22, 2026 at 08:25:05 UTC
Other
- Sources
- Accessed Date
- 2026-08-14
- Publisher
- Roscosmos / TASS
- Title
- Development tests of RD-191M completed for Angara-A5M
- Accessed Date
- 2026-08-14
- Publisher
- Roscosmos
- Title
- RD-191M design documentation and 10% thrust increase
- Accessed Date
- 2026-08-14
- Publisher
- Roscosmos
- Title
- RD-191 production facility project for Angara engines