RD-0209
The tank-pressurization-equipped companion engine used beside three RD-0208 engines on the original Proton second stage.
Identity
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- RD-0209
- Status
- retired
Details
- Description
- The tank-pressurization-equipped companion engine used beside three RD-0208 engines on the original Proton second stage.
- Developers
- Manufacturers
- Propellants
- nitrogen tetroxideUDMH
- Rocket Specs
- Chamber Count
- 1
- Vacuum Specific Impulse S
- 326
- Vacuum Thrust Kn
- 569.7
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 11:40:19 UTC
- Updated Time
- July 29, 2026 at 11:40:19 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- Chemical Automatics Design Bureau (KBKhA)
- Title
- Three RD0208 plus one RD0209 engine block