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= Scraps of text for incorporation in the Vis Meeting Minutes = = Scraps of text for incorporation in the VIS Meeting Minutes =

[[KAGRA/Subgroups/VIS/MeetingNAOJ]]

=== Type B (Mark) ===
==== Report for week of 6/11 ====
 * Enzo redid the SR3 BIO connections to match the now-working BS setup. He also fixed PR2, which had a similar problem.
 * Enzo replaced LPCDs with HPCDs in the SR3.
 * Hirata-san installed the cable clamps and Cu segments on the SF cap.
 * Hirata-san and Kozu-kun continued tuning the filter in PI #3. Unfortunately it seems to be rather weaker than expected, and we have not found a compression setting that gives a good frequency. We may have to use tricks like reducing the number of Cu segments on the SF (or using Al ones) to save weight.
 * Mark, Enzo and Terrence suspended the BF/... section from the SF, and got it aligned for TFs.

==== Plan for week of 6/18 ====
 * Mark Enzo, Hirata-san, Kozu-kun, Terrence at Kamioka Mon-Fri.
 * --
 * Receive second and third sets of LBB damper rings.
 * Take TFs.
 * Cable, test SF LVDT and FR.
 * Add calculated ballast to SF.
 * Finish tuning F0 #3 for SR3.
 * Park F0 #1 (for SR2) in top of SR3 assembly frame.
 * Move F0 #3 behind SR3.
 * Move F0 #1 to "factory" area (in front of SRM) and start rebuild.
 * Install PI.
 * Suspend SF/... section.
 * Lots of cabling.

==== Plan for week of 6/25 ====
 * Mark Enzo, Hirata-san, Kozu-kun, Terrence at Kamioka Mon-Fri.

==== To-Do Lists, Schedule ====
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoBS]]
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoSR]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|JGW-L1807779 Type B Schedule (SR)]]

==== Vacation Info ====
 * Kozu-kun: 7/4 Tokyo
 * Enzo: 7/5-6 NAOJ Party, Mitaka
 * Terrence: 8/24-26 f2f, then returns to Hong Kong.
 * Enzo: 9/14 JPS, 9/15 through 10/18 vacation in Chile

Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

Type B (Mark)

Report for week of 6/11

  • Enzo redid the SR3 BIO connections to match the now-working BS setup. He also fixed PR2, which had a similar problem.
  • Enzo replaced LPCDs with HPCDs in the SR3.
  • Hirata-san installed the cable clamps and Cu segments on the SF cap.
  • Hirata-san and Kozu-kun continued tuning the filter in PI #3. Unfortunately it seems to be rather weaker than expected, and we have not found a compression setting that gives a good frequency. We may have to use tricks like reducing the number of Cu segments on the SF (or using Al ones) to save weight.
  • Mark, Enzo and Terrence suspended the BF/... section from the SF, and got it aligned for TFs.

Plan for week of 6/18

  • Mark Enzo, Hirata-san, Kozu-kun, Terrence at Kamioka Mon-Fri.
  • --
  • Receive second and third sets of LBB damper rings.
  • Take TFs.
  • Cable, test SF LVDT and FR.
  • Add calculated ballast to SF.
  • Finish tuning F0 #3 for SR3.
  • Park F0 #1 (for SR2) in top of SR3 assembly frame.
  • Move F0 #3 behind SR3.
  • Move F0 #1 to "factory" area (in front of SRM) and start rebuild.
  • Install PI.
  • Suspend SF/... section.
  • Lots of cabling.

Plan for week of 6/25

  • Mark Enzo, Hirata-san, Kozu-kun, Terrence at Kamioka Mon-Fri.

To-Do Lists, Schedule

Vacation Info

  • Kozu-kun: 7/4 Tokyo
  • Enzo: 7/5-6 NAOJ Party, Mitaka
  • Terrence: 8/24-26 f2f, then returns to Hong Kong.
  • Enzo: 9/14 JPS, 9/15 through 10/18 vacation in Chile

KAGRA/Subgroups/VIS/TypeB/Minutes (last edited 2022-07-29 13:18:56 by fabian.arellano)