john.worden@LIGO.ORG - posted 16:11, Thursday 07 June 2012 - last comment - 19:05, Thursday 07 June 2012(3061)
ENDY pumpdown
Pressure is moving slowly. Today the annulus system was evacuated with no noticeable impact. Tomorrow Gerardo will spray helium on new conflat joints.
For reference BSC8 reached 1e-6 torr in ~2 days with the same size turbo. ENDY has the additional load of the iLIGO stack.
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BSC06 annulus pump down started at 11:59 am.