SpaceShipTwo hybrid rocket motor family
The related HTPB- and polyamide-fueled hybrid rocket motor configurations flown on SpaceShipTwo. Sierra Nevada Corporation developed and manufactured the early HTPB configuration, Scaled Composites developed the nylon configuration, and The Spaceship Company manufactured the later motor used by VSS Unity.
Identity
- Domains
- spaceflight
- Identity Level
- family
- Kind
- hybrid-rocket-motor
- Name
- SpaceShipTwo hybrid rocket motor family
- Status
- historical
Details
- Description
- The related HTPB- and polyamide-fueled hybrid rocket motor configurations flown on SpaceShipTwo. Sierra Nevada Corporation developed and manufactured the early HTPB configuration, Scaled Composites developed the nylon configuration, and The Spaceship Company manufactured the later motor used by VSS Unity.
- Developers
- Lineage
- Note
- The accident docket describes both SpaceShipTwo motor configurations as sharing heritage with SpaceShipOne's first-generation hybrid motor.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Manufacturers
- Propellants
- nitrous oxideHTPB or polyamide solid fuel
Assets & Meta
- Creation Time
- July 29, 2026 at 10:54:07 UTC
- Updated Time
- July 29, 2026 at 10:54:48 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- Smithsonian National Air and Space Museum
- Title
- Rocket Engine, Hybrid, RocketMotorTwo
- Accessed Date
- 2026-07-29
- Publisher
- National Transportation Safety Board
- Title
- SpaceShipTwo accident docket party submission: rocket motor history
- Accessed Date
- 2026-07-29
- Publisher
- National Transportation Safety Board
- Title
- SpaceShipTwo Propulsion Group Chairman's Factual Report
- Accessed Date
- 2026-07-29
- Publisher
- U.S. Securities and Exchange Commission
- Title
- Virgin Galactic 2024 annual report
- Accessed Date
- 2026-07-29
- Publisher
- Sierra Nevada Corporation
- Title
- SNC's Hybrid Rocket Engines Power SpaceShipTwo on its First Powered Flight Test