Final BSC2 alignments were completed and IAS equipment removed from the spool area on Wednesday, April 17th. The final alignment errors for the BS are as follows:
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Longitudinal: -0.4 mm (South, -X)
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Lateral: +0.1 mm (West, +Y)
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Vertical: +0.4 mm (high, +Z)
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Pitch: 7 µrad down
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Yaw: 52 µrad CCW
The ITMy elliptical baffle was also aligned in lateral and vertical position. Its final aligment errors are:
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Lateral: +2.2 mm (North, +X)
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Vertical: -2.4 mm (low, -Z)
The ITMx elliptical baffle was not aligned due to a mounting issue described in aLOG 6104 and its comments. This baffle was left in the chamber so as not to hold up progress on chamber close out for the HIFO-y test.