Vulcain 2.1
ArianeGroup-developed Vulcain 2.1 cryogenic main-stage engine for Ariane 6. It evolves Vulcain 2 with a gas-generator cycle, simplified nozzle, 3.6 m engine height, and launch-pad ignition; exact Ariane 6 standard/P160C configurations remain separately represented.
Identity
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- Vulcain 2.1
- Status
- active
Details
- Description
- ArianeGroup-developed Vulcain 2.1 cryogenic main-stage engine for Ariane 6. It evolves Vulcain 2 with a gas-generator cycle, simplified nozzle, 3.6 m engine height, and launch-pad ignition; exact Ariane 6 standard/P160C configurations remain separately represented.
- Family
- Length M
- 3.6
- Lineage
- Note
- ESA describes Vulcain 2.1 as an evolution of the Ariane 5 Vulcain 2 with simplified nozzle and ignition systems.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- European Space Agency
- Title
- Hot fire: Ariane 6 ready to rumble
- Propellants
- liquid hydrogenliquid oxygen
- Rocket Specs
- Burn Time S
- 468
- Cycle
- gas-generator
- Vacuum Thrust Kn
- 1,370
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 09:08:00 UTC
- Updated Time
- August 14, 2026 at 23:05:46 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- European Space Agency
- Title
- Hot fire: Ariane 6 ready to rumble
- Accessed Date
- 2026-07-29
- Publisher
- European Space Agency
- Title
- Vulcain 2.1 igniters for Ariane 6 on the launch pad
- Accessed Date
- 2026-08-14
- Note
- ArianeGroup identifies Vulcain 2.1 as its Ariane 6 main-stage engine, developed with European partners for ESA, using LOX/LH2 via a gas generator and delivering 1,370 kN vacuum thrust; it is 3.6 m high and uses launch-pad ignition.
- Publisher
- ArianeGroup
- Title
- Propulsion systems for launchers