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TITAN II - AUGMENTED ENGINE IMPROVEMENT PROGRAM.
AEROJET-GENERAL CORP SACRAMENTO CA
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The Augmented Engine Improvement Program AEIP was undertaken to evaluate the Titan 2 propulsion system for possible subsequent updating or production-line incorporation of component changes to improve the YLR87-AJ-5, -7, and -9 and YLR91-AJ-5, -7, and -9 engines andor aerospace ground equipment. Components were evaluated to improve reliability, durability, and maintainability and to minimize posttest hardware disassembly, rework, and inspection. Integrated system testing of component improvements was conducted during formal engine testing on three Modification Verification Engines MVE. Application of the program ground rules under which no evaluation cycle can be reconducted once a failure or problem is identified during development resulted in development being halted on some components. Others were successfully tested and recommended for incorporation into Titan family engines. AEIP designs ultimately recommended for Stage 2 engines are 1 gearbox lubrication system 2 dynamic seal because of improved performance 3 redundant engine shutdown system 4 thrust chamber fuel and oxidizer valves 5 gas generator 6 thrust chamber RACO seals and 7 fuel discharge line. Author
APPROVED FOR PUBLIC RELEASE