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Entry  Tue Feb 2 17:09:17 2021, yehonathan, Update, BHD, SOS assembly 20210202_165501.jpg20210202_162452.jpg
    Reply  Tue Feb 2 18:24:54 2021, Koji, Update, BHD, SOS assembly 
       Reply  Thu Feb 4 15:14:55 2021, Yehonathan, Update, BHD, SOS assembly 20210204_144007.jpg
          Reply  Tue Feb 16 13:13:39 2021, Yehonathan, Update, BHD, SOS assembly 
             Reply  Tue Feb 16 15:29:01 2021, Koji, Update, BHD, SOS assembly 
                Reply  Tue Feb 16 22:59:36 2021, Yehonathan, Update, BHD, SOS assembly 
                   Reply  Fri Feb 19 12:21:04 2021, Yehonathan, Update, BHD, SOS assembly 
                      Reply  Fri Mar 26 10:25:37 2021, Yehonathan, Update, BHD, SOS assembly 
                         Reply  Tue Apr 6 15:42:57 2021, Yehonathan, Update, BHD, SOS assembly 20210406_150724.png
                            Reply  Fri Apr 9 20:54:54 2021, Yehonathan, Update, BHD, SOS assembly 20210409_202717.jpg20210409_202755.jpg
                               Reply  Mon Apr 12 17:30:11 2021, Yehonathan, Update, BHD, SOS assembly 20210412_170913.jpg
                                  Reply  Mon May 3 16:49:04 2021, Yehonathan, Update, BHD, SOS assembly 20210503_161422.png20210503_161456.jpg
                                     Reply  Tue Jun 1 16:17:06 2021, Yehonathan, Update, BHD, SOS assembly 
                                        Reply  Wed Jun 2 01:03:19 2021, Koji, Update, BHD, SOS assembly 
                                           Reply  Fri Jun 18 19:02:00 2021, Yehonathan, Update, BHD, SOS assembly 20210618_115017.jpgUntitled_2.png20210618_160041_HDR.jpg
                                              Reply  Fri Jun 18 23:53:08 2021, Koji, Update, BHD, SOS assembly 
                                                 Reply  Tue Jun 22 17:05:26 2021, Yehonathan, Update, BHD, SOS assembly 
                                                    Reply  Tue Jul 27 17:14:18 2021, Yehonathan, Update, BHD, SOS assembly 20210727_154506.png
                                                       Reply  Tue Jul 27 20:12:53 2021, Koji, Update, BHD, SOS assembly 
                                              Reply  Mon Jun 28 12:35:19 2021, Yehonathan, Update, BHD, SOS assembly toomuchglue1.pngtoomuchglue2.pngdirtydumbell.pngcleandumbell.pngassembly_on_metalbracket.png
                                                 Reply  Tue Jun 29 20:45:52 2021, Yehonathan, Update, BHD, SOS assembly 20210629_135736.jpg20210629_135746.jpg
                                                    Reply  Thu Jul 1 16:45:25 2021, Yehonathan, Update, BHD, SOS assembly 
                                                       Reply  Wed Jul 28 12:00:35 2021, Yehonathan, Update, BHD, SOS assembly 
                                                          Reply  Thu Sep 23 18:18:07 2021, Yehonathan, Update, BHD, SOS assembly dumbell_before.pngdumbell_after.png
                                                             Reply  Tue Oct 26 10:17:14 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                Reply  Thu Oct 28 23:13:19 2021, Yehonathan, Update, BHD, SOS assembly OpLev_Setup.jpgsuspended_optic.png20211029_113011.jpg20211029_113052.jpg
                                                                   Reply  Tue Nov 2 15:02:03 2021, Yehonathan, Update, BHD, SOS assembly FreeSwingingSpectra.pdf
                                                                      Reply  Tue Nov 2 22:50:30 2021, Koji, Update, BHD, SOS assembly 
                                                                         Reply  Mon Nov 8 17:22:27 2021, Yehonathan, Update, BHD, SOS assembly Magnets_Positions.pngAdapters_Order.png
                                                                            Reply  Tue Nov 9 11:11:37 2021, Yehonathan, Update, BHD, SOS assembly 20211109_110408.jpg
                                                                               Reply  Fri Nov 12 23:47:29 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                                  Reply  Tue Nov 16 17:42:46 2021, Yehonathan, Update, BHD, SOS assembly 20211115_170320_HDR.jpg20211116_163846.jpgmagnet_height_check(1).pngside_blcok_touching_1.pngside_blcok_touching_2.png
                                                                                     Reply  Tue Nov 16 18:28:53 2021, Koji, Update, BHD, SOS assembly D2100546_Wire_Block.pdfD2100546_Wire_Block.png
                                                                                        Reply  Wed Nov 24 14:15:15 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                                           Reply  Wed Dec 1 12:57:08 2021, Yehonathan, Update, BHD, SOS assembly 7x
                                                                                              Reply  Mon Dec 6 18:23:04 2021, Yehonathan, Update, BHD, SOS assembly signal-2021-12-06-165751_001.jpeg
                                                                                                 Reply  Thu Dec 9 21:57:35 2021, Yehonathan, Update, BHD, SOS assembly balancingsos2.pngFreeSwingingSpectra.pdf
                                                                                                    Reply  Tue Dec 14 14:02:33 2021, Yehonathan, Update, BHD, SOS assembly magnetcentring.pngFreeSwingingSpectra.pdf
                                                                                                       Reply  Wed Dec 15 22:09:53 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                                                          Reply  Thu Dec 16 18:16:36 2021, Yehonathan, Update, BHD, SOS assembly chippedmirror.pngIMG_6311.JPGIMG_6310.JPGIMG_6309.JPG
                                                                                                             Reply  Fri Dec 17 17:50:17 2021, Yehonathan, Update, BHD, SOS assembly AS1rollbalance.pngAS1Magnet_height.pngghostbeam.pnglambdaopticarrow.jpg
                                                                                                                Reply  Fri Dec 17 19:16:45 2021, Koji, Update, BHD, SOS assembly 
                                                                                                                   Reply  Fri Dec 17 22:16:07 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                                                                      Reply  Sat Dec 18 00:56:14 2021, Koji, Update, BHD, SOS assembly 
                                                                                                                         Reply  Mon Dec 20 13:52:01 2021, Koji, Update, BHD, SOS assembly 
                                                                                                                            Reply  Mon Dec 20 17:26:13 2021, Yehonathan, Update, BHD, SOS assembly 7x
                                                                                                                               Reply  Tue Dec 21 18:04:46 2021, Yehonathan, Update, BHD, SOS assembly 
                                                                                                                                  Reply  Tue Jan 4 18:27:23 2022, Paco, Update, BHD, SOS assembly -- PR3 PR3_roll_balance.pngPR3_magnet_height.pngFreeSwingingSpectra.pdfPXL_20220104_231742123.jpgPXL_20220104_232809203.jpg
                                                                                                                                     Reply  Wed Jan 5 19:18:06 2022, Yehonathan, Update, BHD, SOS assembly -- AS4 AS4_roll_balance.pngAS_4_magnet_height.pngFreeSwingingSpectra.pdf
                                                                                                                                        Reply  Thu Jan 6 17:00:20 2022, Yehonathan, Update, BHD, SOS assembly -- LO2 LO2_roll_balance.pngLO2_magnet_height.pngFreeSwingingSpectra.pdf
                                                                                                                                           Reply  Thu Jan 6 17:16:51 2022, Yehonathan, Update, BHD, Using Peek screws/nuts 
                                                                                                                                           Reply  Fri Jan 7 17:59:45 2022, Yehonathan, Update, BHD, SOS assembly -- SR2 SR2_roll_balance.pngSR2_magnet_height.pngFreeSwingingSpectra.pdf
                                                                                                                                              Reply  Fri Jan 7 18:24:25 2022, Koji, Update, BHD, SOS assembly -- SR2 
                                                                                                                                                 Reply  Mon Jan 10 14:00:44 2022, not Koji, Update, BHD, SOS assembly -- SR2 
                                                                                                                                                    Reply  Tue Jan 11 09:53:14 2022, not Koji, Update, BHD, SOS assembly -- Peek screws and nuts 
                                                                                                                                                       Reply  Thu Jan 13 16:08:00 2022, Yehonathan, Update, BHD, gluing magnets after AS1/4 misfortune 
                                                                                                                                                          Reply  Fri Jan 14 17:33:10 2022, Yehonathan, Update, BHD, AS4 resurrection AS4_roll_balance2.pngAS4_magnet_height2.pngFreeSwingingSpectra.pdf
Message ID: 16491     Entry time: Mon Dec 6 18:23:04 2021     In reply to: 16489     Reply to this: 16497  
Author: Yehonathan 
Type: Update 
Category: BHD 
Subject: SOS assembly 

I installed OSEMs on the LO1 SOS. To my surprise, the side magnet is not in the center of the side OSEM. It completely misses the LED as can be seen in the attachment.

Looking at the CAD model, it turns out the position of the OSEM on the left side plate is different from the position of the OSEM on the right side plate in the SOS tower.

We need to take the optic down, swap the right and left side blocks, and resuspend it.

There is not enough 🤦🏻‍♂️in the world

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