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NASA-LLIS-5479: Lessons Learned - Proper Manufacturing, Handling, Use, Storage and Care Of Metal Bellows Flex Hoses
Abstract: Metal bellows flex hoses are very susceptible to reverse bending low cycle fatigue which results in leakage via a through crack in the bellows.
NASA-LLIS-6146: Lessons Learned - Absence Of Explicitly Defined Fluid Property/Composition At The Vehicle/Engine Interface
Abstract: Design of vehicle propulsion systems requires explicit definition of fluid properties across component interfaces to ensure safety and reliability. The propellant delivery system components are designed and verified to ...