GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 1
GLAST Large Area Telescope:GLAST Large Area Telescope:
Tracker SubsystemWBS 4.1.4
3A: Engineering Model Tower Status
Thomas BordenStanford Linear Accelerator CenterTracker Subsystem Engineer
Gamma-ray Large Gamma-ray Large Area Space Area Space TelescopeTelescope
GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 2
AgendaAgenda
• Tale of Two Towers• Mini Tower• Structural/Thermal Tower• Schedule
GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 3
Tale of Two TowersTale of Two Towers
Carbon-Fiber Wall
• Tracker EM consists of Two Towers– Mini-Tower
• Five trays
• 3 full X-Y detector planes
• Flight like flexure attach
– Structural/Thermal
• Full Form and Fit Tower
• Full thermal dissipation
• Vibration and thermal vacuum tested
• Shipped in double container with data logger
GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 4
Mini TowerMini Tower
GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 5
Structural/Thermal TowerStructural/Thermal Tower
GLAST LAT Project March 24, 2003
3A Tracker Peer Review, WBS 4.1.4 6
ScheduleSchedule
• Mini-Tower trays arrived March 21– Mini Tower in assembly at SLAC– Projected delivery to I&T March 28
• Structural/Thermal Tower scheduled to be delivered to I&T July 1– Bottom Tray Fabrication starting– All other trays complete– Sidewalls material on order– Assembly complete June 1– Vibration testing complete June 10 (LAT-TD-01841)– Thermal vacuum testing complete June 27 (LAT-TD-01842)– Tower shipped to SLAC
• Structural/Thermal Tower delivered with Shipping case and lifting fixture