LBT Q3 2007 Engineering LBT Q3 2007 Engineering ReviewReview

ROTROT

RotatorsRotators

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Highlights (Q3/2007)Highlights (Q3/2007) BG mechanics being manufacturedBG mechanics being manufactured Electronics design complete, boards fabbedElectronics design complete, boards fabbed BG integration equipment being madeBG integration equipment being made BG gear test fit on bearing (for AGW test)BG gear test fit on bearing (for AGW test)

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Open IssuesOpen Issues

TechnicalTechnical Many details still incompleteMany details still incomplete Undocumented telescope changesUndocumented telescope changes Cable chain is high risk, may be Cable chain is high risk, may be

impossibleimpossible

ScheduleSchedule Integration and installation delayedIntegration and installation delayed No visibility on software scheduleNo visibility on software schedule

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Open Issues (cont.)Open Issues (cont.)

FinancialFinancial Most items costing more than budgetedMost items costing more than budgeted Scope creep also driving up costsScope creep also driving up costs

ResourceResource Competition with other projectsCompetition with other projects Availability of telescopeAvailability of telescope Integration/install will require mtn Integration/install will require mtn

supportsupport

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Progress (Q3/2007)Progress (Q3/2007)

More design details completeMore design details complete Major BG component manufacture startedMajor BG component manufacture started Electronics design/layout nearly completeElectronics design/layout nearly complete BG integration stand manufacture startedBG integration stand manufacture started BG lab integration to start soonBG lab integration to start soon Integration and test plan in processIntegration and test plan in process

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Progress (Q3/2007) (cont.)Progress (Q3/2007) (cont.)

App board fabbed, being stuffedApp board fabbed, being stuffed SACB board done, in-houseSACB board done, in-house RIM enclosure ready for fabRIM enclosure ready for fab Reef IM VHDL code done and tested Reef IM VHDL code done and tested

with SW, ready for test on HWwith SW, ready for test on HW Servo code ready for testServo code ready for test

26-Oct-200726-Oct-2007 LBT Q3 2007 Engineering RevieLBT Q3 2007 Engineering Revieww

Planning (Q4/2007)Planning (Q4/2007)

Complete design and manufactureComplete design and manufacture Complete telescope work (cable trays)Complete telescope work (cable trays) Complete and build work platformComplete and build work platform Test electronics and software on Test electronics and software on

simulatorsimulator Begin integrating BG rotators in TucsonBegin integrating BG rotators in Tucson Build cable chain prototypeBuild cable chain prototype