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Space Shuttle Main Engines SSME

Space Shuttle Main Engines (SSME). HistoryLessons Learned from Mercury-ApolloPump and Nozzle ConstructionFuel and Oxidizer CombinationsContract Awarded March 1972Rockwell Rocketdyne (F-1, J-2, etc)Parts Proven and Verified by J-2 Engine (Apollo)Light-Chill-Light AbilityMaterial Dependability

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Space Shuttle Main Engines SSME

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    1. Space Shuttle Main Engines (SSME) ELDON TRIGGS AERO 4730 SPACE MISSION DESIGN

    2. Space Shuttle Main Engines (SSME) History Lessons Learned from Mercury-Apollo Pump and Nozzle Construction Fuel and Oxidizer Combinations Contract Awarded March 1972 Rockwell Rocketdyne (F-1, J-2, etc) Parts Proven and Verified by J-2 Engine (Apollo) Light-Chill-Light Ability Material Dependability/Durability Throttleability by Pressure Management

    3. Space Shuttle Main Engines (SSME) History Continued: The J-2 features: Independently driven pumps for both liquid oxygen and liquid hydrogen A gas generator to supply hot gas to two turbines running in series Pneumatic and electrical control interlocks for valve control Altitude restart capability Propellant utilization system controls mixture ratio

    4. Space Shuttle Main Engines (SSME)

    5. Space Shuttle Main Engines (SSME)

    6. Space Shuttle Main Engines (SSME) BLOCK II High Pressure Fuel Turbopump Three stage centrifugal pump Two stage hot gas turbine 36,200 RPM

    7. Space Shuttle Main Engines (SSME)

    8. Space Shuttle Main Engines (SSME) Purpose of Low Pressure Turbopumps is to prevent cavitation Cavitation is the phenomenon where small cavities of partial vacuum form in fluid then rapidly collapse, producing a sharp sound

    9. Space Shuttle Main Engines (SSME)

    10. Space Shuttle Main Engines (SSME)

    11. Space Shuttle Main Engines (SSME)

    12. Space Shuttle Main Engines (SSME) Contingency Abort (During ascent)

    13. Space Shuttle Main Engines (SSME) Return To Launch Site (RTLS) Transoceanic Abort Landing (TAL)

    14. Space Shuttle Main Engines (SSME) Abort Once Around

    15. Space Shuttle Main Engines (SSME) Abort Once Around

    16. Space Shuttle Main Engines (SSME) Abort To Orbit (STS-51F-Eng 3)

    17. Space Shuttle Main Engines (SSME)

    18. Space Shuttle Main Engines (SSME) Questions?

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