J. Oberling, D. Cook
We took initial measurements of the ETMy position on the test stand at End Y this morning. All positions are reported with respect to End Y local cardinal directions and all yaw angle directions are reported using a top-down view of the ETMy.
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Pitch: ~1.06 mrad down
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Desired pitch: 639 µrad down
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Outside ±100 µrad test stand spec
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Yaw: ~365 µrad CW
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Desired yaw: 0 µrad
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Outside ±100 µrad test stand spec
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Longitudinal: 4mm West
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Outside ±3mm test stand spec
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Horzontal: 0.86mm North
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Within ±1mm test stand spec, but may be adjusted closer to the desired position
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Vertical: 0.2mm high
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Within ±1mm test stand spec
ETMy alignment will commence as soon as SUS personnel are available to make the required moves of the quad structure (currently working on closing out BSC08).