KBKhA RD-0146D-1 LOX/LH2 upper-stage rocket engine
KBKhA's RD-0146D-1 is a development-stage LOX/LH2 member of the RD-0146 family for the KVTK heavy-class upper stage of the Angara-A5V launch vehicle. KBKhA publishes a distinct 9 tf vacuum thrust, 470 s specific impulse, and 71.5 kgf/cm² chamber-pressure specification for RD-0146D-1; this row records the named variant and application boundary without asserting flight or production status.
Identity
- Aliases
- RD0146D-1RD0146D1РД0146Д-1
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- KBKhA RD-0146D-1 LOX/LH2 upper-stage rocket engine
- Status
- development
Details
- Description
- KBKhA's RD-0146D-1 is a development-stage LOX/LH2 member of the RD-0146 family for the KVTK heavy-class upper stage of the Angara-A5V launch vehicle. KBKhA publishes a distinct 9 tf vacuum thrust, 470 s specific impulse, and 71.5 kgf/cm² chamber-pressure specification for RD-0146D-1; this row records the named variant and application boundary without asserting flight or production status.
- Developers
- Propellants
- liquid oxygenliquid hydrogen
- Rocket Specs
- Vacuum Specific Impulse S
- 470
- Vacuum Thrust Kn
- 88.25985
Links
Assets & Meta
- Creation Time
- August 15, 2026 at 03:48:46 UTC
- Updated Time
- August 15, 2026 at 03:48:46 UTC
Other
- Sources
- Accessed Date
- 2026-08-14
- Note
- KBKhA's official RD0146/RD0146D/RD0146D-1 product page lists RD0146D-1 as a distinct LOX/LH2 variant with 9 tf vacuum thrust, 470 s specific impulse, and 71.5 kgf/cm² chamber pressure, and describes the family as intended for upper stages and upper-stage vehicles.
- Publisher
- Chemical Automatics Design Bureau (KBKhA)
- Title
- RD0146, RD0146D, RD0146D-1
- Accessed Date
- 2026-08-14
- Note
- KBKhA's Scientific and Technical Complex page identifies development of the LOX/LH2 RD0146D-1 for the heavy-class upper stage of the Angara-A5V launch vehicle.
- Publisher
- Chemical Automatics Design Bureau (KBKhA)
- Title
- Scientific and Technical Complex
- Accessed Date
- 2026-08-14
- Note
- KBKhA's production-capabilities page places RD0146D-1 in technological pre-production for a LOX/LH2 heavy-class upper stage, supporting development status rather than an in-production or flown claim.
- Publisher
- Chemical Automatics Design Bureau (KBKhA)
- Title
- Production capabilities