Space Launch System Launch Vehicle Stage Adapter (LVSA)
The cone-shaped LVSA partially encloses the Interim Cryogenic Propulsion System (ICPS) and connects it to the Space Launch System (SLS) core stage below and the Orion Stage Adapter (OSA) above.
A pneumatically actuated frangible joint assembly at the top of the adapter separates the core stage and LVSA from the ICPS, OSA and Orion or payload fairing.
In addition to providing structural support for launch and a separation system, the LVSA also protects avionics and electrical devices in the ICPS from extreme vibration and acoustic conditions during launch and ascent.
Prime contractor Teledyne Brown Engineering manufactures the LVSA using self-reacting friction-stir welding tools at NASA’s Marshall Space Flight Center in Huntsville, Alabama.
Interim Cryogenic Propulsion Stage Details
- Height: 27.5 feet (8.3 meters)
- Top Diameter: 16.5 feet (5 meters)
- Bottom Diameter: Tapers down to 27.5 feet (8.3 meters)
- Contractor: Teledyne Brown Engineering
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