NASA NASA-LLIS-0960: Lessons Learned – Space Shuttle Main Engine (SSME): Integrated Subsystem Test Bed
SDO: NASA: NASA - National Aeronautics and Space Administration
DOD Adopted ANSI Approved Approved
Description of Driving Event:
The SSME components were originally planned to be tested on a "bobtail" engine. To provide integrated testing, which takes into account the component interactions, however it was decided to add a shortened version of the thrust chamber. The shortened version had an area ratio of 35:1 versus the flight configuration requirements of 77.5 to 1. The test engine could throttle to 50% without requiring a vacuum chamber.
- Configuration Management
- Cryogenic Systems
- Ground Equipment
- Launch Vehicle
- Parts Materials & Processes
- Safety & Mission Assurance
- Test Article
- Test Facility
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