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GLAST Large Area Telescope: Mechanical Systems Peer Review March 27, 2003

Gamma-ray Large Area Space Telescope. GLAST Large Area Telescope: Mechanical Systems Peer Review March 27, 2003 Section 2.2 – Budgets & Metrics Leonard Lee SLAC Systems Engineer lhlee@slac.stanford.edu. Topics. Agenda Allocated budgets (mass, c.g.,power) Drawing and Procedure Metrics

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GLAST Large Area Telescope: Mechanical Systems Peer Review March 27, 2003

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  1. Gamma-ray Large Area Space Telescope GLAST Large Area Telescope: Mechanical Systems Peer Review March 27, 2003 Section 2.2 – Budgets & Metrics Leonard Lee SLAC Systems Engineer lhlee@slac.stanford.edu

  2. Topics Agenda • Allocated budgets (mass, c.g.,power) • Drawing and Procedure Metrics • Mechanical Subsystem drawing tree • Status of major assemblies, critical component drawings, and procedures • Document status

  3. LAT Metrics: Allocated Mass Budget March 2003

  4. Mechanical Subsystem Mass Budget

  5. Mechanical Systems Power Budget Condition Power Mode Allocation LAT “On” Radiator VCHP Heater Power <48 watts Mechanical Systems Power”On”= 48 watts Survival Heater Peak Power <350 watts LAT “Off” Orbit-Average Survival Heater Power <300 watts@27 Volts min Orbit-Average Survival Heater Power <350 watts@29 Volts max Mechanical Systems Power”Off”= 300-350 watts(27-29 volts)

  6. Drawing Tree

  7. Status of major assemblies, critical component drawings, and procedures

  8. Document Status

  9. End of Section 2.2

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