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40m Log |
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Tue Feb 2 17:09:17 2021, yehonathan, Update, BHD, SOS assembly 
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Tue Feb 2 18:24:54 2021, Koji, Update, BHD, SOS assembly
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Thu Feb 4 15:14:55 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Feb 16 13:13:39 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Feb 16 15:29:01 2021, Koji, Update, BHD, SOS assembly
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Tue Feb 16 22:59:36 2021, Yehonathan, Update, BHD, SOS assembly
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Fri Feb 19 12:21:04 2021, Yehonathan, Update, BHD, SOS assembly
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Fri Mar 26 10:25:37 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Apr 6 15:42:57 2021, Yehonathan, Update, BHD, SOS assembly
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Fri Apr 9 20:54:54 2021, Yehonathan, Update, BHD, SOS assembly 
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Mon Apr 12 17:30:11 2021, Yehonathan, Update, BHD, SOS assembly
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Mon May 3 16:49:04 2021, Yehonathan, Update, BHD, SOS assembly 
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Tue Jun 1 16:17:06 2021, Yehonathan, Update, BHD, SOS assembly
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Wed Jun 2 01:03:19 2021, Koji, Update, BHD, SOS assembly
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Fri Jun 18 19:02:00 2021, Yehonathan, Update, BHD, SOS assembly  
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Fri Jun 18 23:53:08 2021, Koji, Update, BHD, SOS assembly
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Tue Jun 22 17:05:26 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Jul 27 17:14:18 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Jul 27 20:12:53 2021, Koji, Update, BHD, SOS assembly
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Mon Jun 28 12:35:19 2021, Yehonathan, Update, BHD, SOS assembly    
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Tue Jun 29 20:45:52 2021, Yehonathan, Update, BHD, SOS assembly 
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Thu Jul 1 16:45:25 2021, Yehonathan, Update, BHD, SOS assembly
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Wed Jul 28 12:00:35 2021, Yehonathan, Update, BHD, SOS assembly
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Thu Sep 23 18:18:07 2021, Yehonathan, Update, BHD, SOS assembly 
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Tue Oct 26 10:17:14 2021, Yehonathan, Update, BHD, SOS assembly
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Thu Oct 28 23:13:19 2021, Yehonathan, Update, BHD, SOS assembly   
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Tue Nov 2 15:02:03 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Nov 2 22:50:30 2021, Koji, Update, BHD, SOS assembly
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Mon Nov 8 17:22:27 2021, Yehonathan, Update, BHD, SOS assembly 
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Tue Nov 9 11:11:37 2021, Yehonathan, Update, BHD, SOS assembly
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Fri Nov 12 23:47:29 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Nov 16 17:42:46 2021, Yehonathan, Update, BHD, SOS assembly    
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Tue Nov 16 18:28:53 2021, Koji, Update, BHD, SOS assembly 
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Wed Nov 24 14:15:15 2021, Yehonathan, Update, BHD, SOS assembly
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Wed Dec 1 12:57:08 2021, Yehonathan, Update, BHD, SOS assembly 7x
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Mon Dec 6 18:23:04 2021, Yehonathan, Update, BHD, SOS assembly
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Thu Dec 9 21:57:35 2021, Yehonathan, Update, BHD, SOS assembly 
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Tue Dec 14 14:02:33 2021, Yehonathan, Update, BHD, SOS assembly 
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Wed Dec 15 22:09:53 2021, Yehonathan, Update, BHD, SOS assembly
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Thu Dec 16 18:16:36 2021, Yehonathan, Update, BHD, SOS assembly   
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Fri Dec 17 17:50:17 2021, Yehonathan, Update, BHD, SOS assembly   
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Fri Dec 17 19:16:45 2021, Koji, Update, BHD, SOS assembly
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Fri Dec 17 22:16:07 2021, Yehonathan, Update, BHD, SOS assembly
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Sat Dec 18 00:56:14 2021, Koji, Update, BHD, SOS assembly
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Mon Dec 20 13:52:01 2021, Koji, Update, BHD, SOS assembly
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Mon Dec 20 17:26:13 2021, Yehonathan, Update, BHD, SOS assembly 7x
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Tue Dec 21 18:04:46 2021, Yehonathan, Update, BHD, SOS assembly
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Tue Jan 4 18:27:23 2022, Paco, Update, BHD, SOS assembly -- PR3    
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Wed Jan 5 19:18:06 2022, Yehonathan, Update, BHD, SOS assembly -- AS4  
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Thu Jan 6 17:00:20 2022, Yehonathan, Update, BHD, SOS assembly -- LO2  
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Thu Jan 6 17:16:51 2022, Yehonathan, Update, BHD, Using Peek screws/nuts
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Fri Jan 7 17:59:45 2022, Yehonathan, Update, BHD, SOS assembly -- SR2  
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Fri Jan 7 18:24:25 2022, Koji, Update, BHD, SOS assembly -- SR2
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Mon Jan 10 14:00:44 2022, not Koji, Update, BHD, SOS assembly -- SR2
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Tue Jan 11 09:53:14 2022, not Koji, Update, BHD, SOS assembly -- Peek screws and nuts
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Thu Jan 13 16:08:00 2022, Yehonathan, Update, BHD, gluing magnets after AS1/4 misfortune
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Fri Jan 14 17:33:10 2022, Yehonathan, Update, BHD, AS4 resurrection  
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Wed Jan 19 18:15:34 2022, Yehonathan, Update, BHD, AS1 resurrection   
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Thu Jan 20 12:10:51 2022, Yehonathan, Update, BHD, AS1 resurrection  
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Mon Jan 24 17:58:21 2022, Yehonathan, Update, BHD, PR2 Suspension
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Tue Jan 25 18:37:12 2022, TYehonathan, Update, BHD, PR2 Suspension  
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Thu Feb 24 18:05:58 2022, Yehonathan, Update, BHD, Re-susspension of AS1 
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Wed Mar 2 14:02:43 2022, Yehonathan, Update, BHD, Re-susspension of AS1
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Thu Mar 3 17:09:46 2022, Paco, Update, BHD, Re-susspension of AS1
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Mon Mar 7 16:56:08 2022, Yehonathan, Update, BHD, Re-susspension of AS1  
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Mon Mar 7 18:53:16 2022, Koji, Update, BHD, Re-susspension of AS1
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Tue Mar 8 12:24:13 2022, Yehonathan, Update, BHD, Re-susspension of AS1  
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Tue Mar 8 19:29:36 2022, Paco, Update, BHD, Re-balance of AS1
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Wed Mar 9 09:35:26 2022, Paco, Update, BHD, Re-balance of AS1
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Message ID: 16262
Entry time: Wed Jul 28 12:00:35 2021
In reply to: 16235
Reply to this: 16359
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Author: |
Yehonathan |
Type: |
Update |
Category: |
BHD |
Subject: |
SOS assembly |
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After receiving two new tubes of EP-30 I resumed the gluing activities. I made a spreadsheet to track the assemblies that have been made, their position on the metal sheet in the cleanroom, their magnetic field, and the batch number.
I made another batch of 6 magnets yesterday (4th batch), the assembly from the 2nd batch is currently being tested for bonding strength.
One thing that we overlooked in calculating the amount of glue needed is that in addition to the minimum 8gr of EP-30 needed for every gluing session, there is also 4gr of EP-30 wasted on the mixing tube. So that means 12gr of EP-30 are used in every gluing session. We need 5 more batches so at least 60gr of EP-30 is needed. Luckily, we bought two tubes of 50gr each. |