| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
15354
|
Tue May 26 10:04:54 2020 |
Jordan | Update | General | N2 Replacement | Replaced empty N2 tank, left tank at ~2000
psi, right tank ~2600 psi. |
|
|
15375
|
Thu Jun 4 08:45:41 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m, in the Clean and
bake lab today from ~9am to ~3pm. |
|
|
15378
|
Fri Jun 5 08:44:50 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m,
in the Clean and bake lab today from ~9am
to ~3pm. |
|
|
15385
|
Tue Jun 9 09:35:02 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9:30am to 4pm. |
|
|
15388
|
Wed Jun 10 14:00:33 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab from
10am to 4pm today. I will also replace an
empty N2 cylinder. |
|
|
15390
|
Thu Jun 11 11:14:12 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 11am to 4pm. |
|
|
15395
|
Fri Jun 12 11:40:14 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 12pm to 4pm. |
|
|
15400
|
Tue Jun 16 08:58:11 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m today at 10am to deliver
optics to Downs and to replace the TP2 controller. |
|
|
15403
|
Tue Jun 16 16:05:26 2020 |
Jordan | Update | General | N2 Replacement | I replaced an empty N2 cylinder, there
are now two empty tanks in the outside rack. |
|
|
15405
|
Thu Jun 18 09:46:03 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m today from 9:30am
to 4pm. |
|
|
15409
|
Thu Jun 18 15:25:08 2020 |
Jordan | Update | VAC | TP2 and TP3 Forepump removal | I removed the backing pumps for TP2 and
TP3 today to test ultimate pressure and determine
if they need a tip seal replacement. This |
|
|
15411
|
Thu Jun 18 16:56:34 2020 |
Jordan | Update | VAC | TP2 and TP3 Forepump removal |
Quote:
|
|
|
15414
|
Fri Jun 19 08:47:10 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m today from 9am to
3pm. |
|
|
15417
|
Fri Jun 19 14:03:50 2020 |
Jordan | Update | VAC | Forepump Tip Seal Replacement | Tip Seals were replaced on the forepumps
for TP2 and TP3, and both are ready to be
installed back onto the forelines. |
|
|
15422
|
Mon Jun 22 13:16:38 2020 |
Jordan | Update | General | Presence at 40m | I will be at the 40m today from 11am to
4pm. |
|
|
15426
|
Wed Jun 24 10:14:56 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 10am to 4pm. |
|
|
15430
|
Thu Jun 25 11:09:01 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab from
11pm to 4pm |
|
|
15432
|
Fri Jun 26 11:00:52 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 11am to 4pm. |
|
|
15437
|
Mon Jun 29 11:41:04 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 11:30am to 4pm |
|
|
15441
|
Tue Jun 30 08:50:12 2020 |
Jordan | Update | General | Presence at 40m | I will be in the clean and bake lab today
from 9am to 4pm. |
|
|
15444
|
Wed Jul 1 08:51:52 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab from
9am to 4pm today. |
|
|
15448
|
Thu Jul 2 16:51:23 2020 |
Jordan | Update | General | Bathroom Science | As part of an ongoing effort to improve
airflow in workspaces/bathrooms on campus, |
|
|
15453
|
Mon Jul 6 08:48:15 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 8:30am to 4pm |
|
|
15459
|
Wed Jul 8 08:51:35 2020 |
Jordan | Update | General | Presence at 40m | I will be in the clean and bake lab today
from 9am to 3pm. |
|
|
15461
|
Thu Jul 9 09:22:44 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 3pm |
|
|
15467
|
Fri Jul 10 10:37:30 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 4pm |
|
|
15478
|
Tue Jul 14 09:04:53 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake Lab today
from 9am to 4pm. |
|
|
15492
|
Fri Jul 17 09:03:58 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 4pm. |
|
|
15500
|
Fri Jul 24 15:40:59 2020 |
Jordan | Update | VAC | Installation of two new UPS units | I installed the Tripp
Lite SMX1000RT2U and Tripp
Lite Smart1000LCD at the |
|
|
15591
|
Mon Sep 21 15:57:08 2020 |
Jordan | Update | VAC | TP3 Forepump Replacement and Vac reset | I removed the forepump (Varian SH-110)
for TP3 today to see why it had failed over
the weekend. I tested it in the C&B lab |
|
|
15602
|
Wed Sep 23 15:06:54 2020 |
Jordan | Update | VAC | TP2 Forepump Re-install | I removed the forepump to TP2 this morning
after the vacuum failure, and tested in the
C&B lab. I pumped down on a small volume |
|
|
15615
|
Tue Oct 6 14:35:16 2020 |
Jordan | Update | VAC | Spare forepumps | I have placed 3 new in box, IDP 7 forepumps
along the x arm of the interferometer. These
are to be used as spares for both the 40m |
|
|
15806
|
Fri Feb 12 15:03:48 2021 |
Jordan | Update | SUS | CoM on 3"->2" Adapter Ring for SOS | As it currently stands the Center of Mass
of the Adapter Ring/Optic assembly is 0.0175"
out of the plane formed by the suspension |
|
|
15823
|
Fri Feb 19 15:17:51 2021 |
Jordan | Update | SUS | CoM Range on 3"->2" Adapter Ring for SOS | Adjusting the thickness of the cylindrical
hole for the mirror on the 2" optic
sleeve, from .6875" to .61" thick, |
|
|
15929
|
Wed Mar 17 10:52:48 2021 |
Jordan | Update | SUS | 3" Ring Adpater for SOS | I have added a .1", 45deg chamfer
to the bottom of the adapter ring. This was
added for a new placement of the eq stops, |
|
|
16004
|
Wed Apr 7 13:07:03 2021 |
Jordan | Update | SUS | CoM on 3"->2" Adapter Ring for SOS | Adding the chamfer around the edge of the
optic ring did not change the center of mass
relative to the plane from the suspension |
|
|
16047
|
Mon Apr 19 09:17:51 2021 |
Jordan | Update | VAC | Empty N2 Tanks | When I came into the lab this morning,
I noticed that both N2 tanks were empty.
I had swapped one on Friday (4-16-21) before |
|
|
16064
|
Wed Apr 21 12:56:00 2021 |
Jordan | Update | VAC | Empty N2 Tanks | Installed T2 today, and leaked checked
the entire line. No issues found. It could
have been a bad valve on the tank itself. |
|
|
16135
|
Wed May 12 14:23:20 2021 |
Jordan | Update | SUS | Mass Properties of SOS Assembly with 3"->2" Optic sleeve, in SI units | |
|
|
16137
|
Wed May 12 17:06:52 2021 |
Jordan | Update | SUS | Mass Properties of SOS Assembly with 3"->2" Optic sleeve, in SI units | Here are the mass properties for the only
the test mass assembly (optic, 3" ring,
and wire block). (Updated with g*mm^2) |
|
|
16165
|
Thu May 27 14:11:15 2021 |
Jordan | Update | SUS | CoM to Clamping Point Measurement for 3" Adapter Ring | The current vertical distance between the
CoM and the wire clamping point on the 3"
Ring assembly is 0.33mm. That is the CoM |
|
|
16169
|
Tue Jun 1 14:26:23 2021 |
Jordan | Update | SUS | CoM to Clamping Point Measurement for 3" Adapter Ring | After changing the material of the Balance
Mass from 6061 Al to 304 Steel, and changing
the thickness to 0.21" from 0.25". |
|
|
16296
|
Wed Aug 25 08:53:33 2021 |
Jordan | Update | SUS | 2" Adapter Ring for SOS Arrived 8/24/21 | 8 of the 2"->3" adapter rings
(D2100377) arrived from RDL yesterday. I
have not tested the threads but dimensional |
|
|
16305
|
Wed Sep 1 14:16:21 2021 |
Jordan | Update | VAC | Empty N2 Tanks | The right N2 tank had a bad/loose valve
and did not fully open. This morning the
left tank was just about empty and the right |
|
|
16326
|
Tue Sep 14 16:12:03 2021 |
Jordan | Update | SUS | SOS Tower Hardware | Yehonathan noticed today that the silver
plated hardware on the assembled SOS towers
had some pretty severe discoloration on it. |
|
|
16364
|
Wed Sep 29 09:36:26 2021 |
Jordan | Update | SUS | 2" Adapter Ring Parts for SOS Arrived 9/28/21 | The remaining machined parts for the SOS
adapter ring have arrived. I will inspect
these today and get them ready for C&B. |
|
|
16419
|
Thu Oct 21 11:38:43 2021 |
Jordan | Update | SUS | Standoffs for Side Magnet on 3" Adapter Ring SOS Assembly | I had 8 standoffs made at the Caltech chemistry
machine shop to be used as spacers for the
side magnets on the 3" Ring assembly. |
|
|
16494
|
Wed Dec 8 10:14:43 2021 |
Jordan | Update | VAC | Pumping down the RGA section | After an overnight pumpdown/RGA warm up,
I took a 100 amu scan of the RGA volume and
subsequent pumping line. Attached is a screenshot |
|
|
16508
|
Wed Dec 15 15:06:08 2021 |
Jordan | Update | VAC | Vacuum Feedthru Install | Jordan, Chub
We installed the 4x DB25 feedthru
flange on the North-West port of ITMX chamber |
|
|
16634
|
Mon Jan 31 10:39:19 2022 |
Jordan | Update | VAC | TP1 and Manual Gate Valve Removal | Jordan, Chub
Today, Chub and I removed TP1 and
the failed manual gate valve off of the pumping |
|