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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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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 • Mechanical Subsystem drawing tree • Status of major assemblies, critical component drawings, and procedures • Document status
LAT Metrics: Allocated Mass Budget March 2003
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)
Status of major assemblies, critical component drawings, and procedures
End of Section 2.2