RD-275
The uprated Proton first-stage engine introduced as a direct modification of RD-253.
Identity
- Aliases
- 14D14
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- RD-275
- Status
- retired
Details
- Description
- The uprated Proton first-stage engine introduced as a direct modification of RD-253.
- Developers
- Family
- Lineage
- Note
- Proton-PM records RD-275 as the next serial modification of RD-253, with thrust increased by 7.7 percent.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Manufacturers
- Propellants
- nitrogen tetroxideUDMH
- Service Entry Date
- 1995
Links
- Official Url
- https://protonpm.ru/company/history/
Assets & Meta
- Creation Time
- July 29, 2026 at 11:57:55 UTC
- Updated Time
- July 29, 2026 at 11:58:34 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- Proton-PM
- Title
- History of Proton-PM
- Accessed Date
- 2026-07-29
- Publisher
- Proton-PM
- Title
- Proton-PM engines power the 430th Proton launch