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EXTERNAL TANK | |
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MAJOR DESIGN REQUIREMENTS | |
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STRUCTURAL | |
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3 SIGMA LOADS AS DEFINED IN LOADS DATA BOOK |
TEST TO 1.25/1.4 TIMES MAXIMUM SPECIFIED LOADS |
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AT LH2 TEMPERATURE FOR LH2 TANK AND ROOM TEMPERATURE FOR LO2 TANK AND INTERTANK |
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PROPULSION | |
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MAINTAIN AND DELIVER PROPELLANTS TO MEET ORBITER/SSME INTERFACE REQUIREMENTS |
QUALIFY BY TEST TO REQUIREMENTS |
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MAIN PROPULSION TESTS |
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THERMAL PROTECTION SYSTEM | |
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MAINTAIN PROPELLANT QUALITY |
QUALIFY BY TEST (WIND TUNNEL, COMBINED ENVIRONMENT, PLASMA ARC, ETC.) TO SPECIFIED ENVIRONMENT |
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THERMALLY PROTECT STRUCTURE FROM ASCENT AND PLUME INDUCED HEATING | |
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LIMIT ICE FORMATION TO AVOID DAMAGING ORBITER | |
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