Mechanical/Thermal Systems

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Presentation transcript:

Mechanical/Thermal Systems LAT Planning Meeting Mechanical/Thermal Systems June 15, 2005 Marc Campell

Status SLAC Grid 2 is in inspection at Tapemation Delivery to SLAC ECD: 7/1/05 Static Load Test awarded to National Test Systems (NTS), Santa Clarita, CA LAT Transporter RFQ issued 6/13/05 Continue investigation of refurbishing NRL container

Grid 2 Machining complete

Status (cont) Lockheed Martin - X-LAT Completed X-LAT thermal cycling test Key is to demonstrate that there is no change in the X-LAT heat pipe bonds before and after the test. Ultrasonic inspection used to map disbonds Pre and post-test results 12 changes most approximately +/-0.1” (probe is .12” dia) 3 significant changes on heat pipe 0 .3 x 1.2 to .3 x1 .7 .3 x 1.2 to .3 x 1.7 .3 x .25 to .3 x 1.2 8 new one areas ~.2 x .2” Total disbonded area still within limits Next steps Proceed with Weight and CG measurements Re-measure this heat pipe 0 Need to return to MRB with final results summary and recommendation

Status (cont) Lockheed Martin - Radiators Fabrication of both Radiator panel is complete less instrumentation installation. ECD 6/24 MLI design finalized (interfacing velcro locations) LM SCD to be revised Environmental test preps moving forward Vibration testing Acoustic and Sine vibe fixtures complete TRR held 6/14 9 action items – key ones are need more details from pre-test analysis and additional details into procedure Acoustic facility is being repaired (ECD 6/24) SBIRS still on Vibe table (ECD 6/24) Delta TRR to be held upon closure of action items, flight hardware complete and procedure released

Status (cont) Lockheed Martin – Radiators cont. Thermal Vacuum testing Thermal vacuum test plan in review Test fixture design 90% complete MLI test blankets available SLAC provided EGSE console is 90% complete ATP for console in review

MECH Milestones

Threats to RFI LM X-LAT & Radiator delivery have no float. X-LAT Conclusive story on disbonds Radiator Potential cost over runs in testing Vibration/Acoustic tests Instrumentation requirements to qualify Radiator interface Final test plan for thermal vacuum. Lots of test prep work to go here Timely resolution of test anomalies. Pre-ship reviews Closing all of the paperwork