Author Topic: ISS U.S. EVA-71  (Read 8594 times)

Offline cohberg

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ISS U.S. EVA-71
« on: 01/19/2021 02:17 am »
https://twitter.com/ChrisG_NSF/status/1365989479048216579

IROSA preparation
Scheduled for: February 28 | 6AM EST
Estimated Duration: 6.5 hours
Starting Location: Quest airlock
Spacewalkers: Rubins (EMU 3015) Glover (EMU 3009)

Relevant Threads
ISS advanced solar array upgrades (iROSA)

EVA Steps (from DOUG as of 02/10/2021)

1 Pre EVA Configuration
3 EGRESS
4 ---->EV1 Egress Airlock
5 ---->EV1 Recieve and Stow Strut Bag 2 on A/ HR
6 ---->EV1 Recieve and Stow Strut Bag 1 on BRT
7 ---->EV2 Egress Airlock and Stow Strut Bag 2 on BRT
8 ---->EV2 Translate to P1 Bay 12
9 ---->EV2 Attach Anchor Hooks (EV1->HR 3652 EV2->HR 3651)
10 WORK SITE PREP
11 ---->EV2 Translate to and Attach GREEN hook to 2B P6 HR 5309
12 ---->EV1 Translate to P5 HR 5203
13 ---->EV1 Translate zenith to and Attach GREEN hook to 4B P6 HR 5311
14 ---->EV1 Translate to and Stow Strut Bag on P6 HRs 5350-5360
15 ---->EV2 Translate to 2B lEA and Stow Strut Bag on P6 HRs 5305-5307
16 ---->EV2 Open Strut Bag 2 and secure lid then as time permits translate to and do Strut Bag 1
17 ---->EV1 Translate to port CETA Cart WIF 02
18 ---->EV1 Retrieve WIFEX w/ APFR and stow on BRT
19 ---->EV1 Translate to 2B lEA
20 ---->EV1 Install WIFEX n WIF 38 [6,G,5]
21 2B UPPER BRACKET BUILD
22 ---->EV1 Translate to EV2
23 ---->Retrieve and Assemble Right Upper Strut L7 to Mounting Bracket L7 using PGT [B3, CW2]
24 ---->Retrieve and Assemble Left Upper Strut to Center Pad using PGT [B1, CW2]
25 ---->Assemble Left Upper Struts to Mounting Bracket using PGT [B3, CW2]
26 ---->EV2 Torque Right Upper Struts to Mounting Bracket using PGT [B3,CW2]
27 ---->EV2 Move PGT w 7116 to Right Upper Strut HR
28 2B CENTER PAD TO MAST CANISTER
29 ---->EV1 Translate to and Ingress APFR
30 ---->EV2 Transfer Mounting Bracket Assembly w/PGT to EV1
31 ---->EV2 Stow PGT w 5/8 socket on HR 5372
32 ---->EV1 Install center Pad to mast canister using PGT [A2, CW2]
33 ---->EV1 InstallNerify grounding Pip Pins into grounding block and close MLI
34 INSTALL 2B LEFT STRUTS
35 ->Left Lower Strut Install
36 ---->EV1 Retrieve PGT w 7116 Wobble then Egress APFR
37 ---->EV1 Transfer PGT to EV2 then adjust WIFEX to [6,G,1]
38 ---->EV1 Adjust APFR to [12,NN,G,12]
39 ---->EV1 Receive Left Mid Strut from EV2 and stow on BRT
40 ---->EV1 Ingress APFR
41 ---->EV1 Receieve Left Lower Strut from EV2
42 ---->EV2 Translate to SAAB launch bracket and Verify bearing alignment
43 ---->EV2 Install Left Lower Strut M21 to SAAB bracket using PGT [A1,CW1] 4 turns only
44 ---->EV1 Install Left Lower Strut L5 to Mounting Bracket L5 using PGT [B1, CW2] on Bolt M22
45 ---->EV2 Drive M21 to torque using PGT [B7,CW2]
46 ---->EV2 Use PGT in Ratchet to set torque on M21 PGT [Mech, RCW, 30,5] 5/8 x 2 Socket
47 ---->EV2 Stow PGT on HR 5372 and Verify MLI in place
48 ---->EV1 Stow PGT and Install grounding PIP pin to grounding block
49 ->Left Mid Strut Install
50 ---->EV2 Translate to mast canister Left Pad Install location
51 ---->EV1 Retrieve Left Mid Strut from BRT
52 ---->EV1 Release PIP Pins and Extend Side Pad to EV2
53 ---->EV2 Install Left Side Pad to Mast Cansiter using PGT [A2, CW2] then stow PGT
54 ---->EV1 Install Left Mid Strut to Mounting Bracket L8 using PGT [B1, CW2] then stow PGT
55 ---->EV1 Install grounding PIP pin to grounding block
56 INSTALL 2B RIGHT STRUTS, MLI & CLAMPS
57 ->Right Lower Strut Install
58 ---->EV1 Egress APFR and Roll APFR to [12,NN,D,12]
59 ---->EV2 Retrieve Right Mid Strut and Transfer to EV1
60 ---->EV1 Stow Right Mid Strut onto BRT
61 ---->EV1 Ingress APFR
62 ---->EV2 Retrieve then transfer Right Lower Strut to EV1
63 ---->EV2 Translate to mast canister right side SABB launch bracket
64 ---->EV2 Install Right Lower Strut M19 to SABB bracket using PGT [Al, CW1]
65 ---->EV1 Release L6 grounding PIP Pin then drive Bolt L6 to L6 using PGT [B1, CW2]
66 ---->EV2 Drive M19 [B7,CW2]
67 ---->EV1 Stow PGT and Install grounding PIP Pin to grounding block
68 ---->EV2 Use PGT in Ratchet to set torque on M19 [Mech, RCW, 30.5] then leave PGT on HR 5372
69 ->Right Mid Strut Install
70 ---->EV2 Translate to mast canister Right Side Pad install location
71 ---->EV1 Retrieve Right Mid Strut from BRT
72 ---->EV1 Release PIP Pins and Extend Side Pad toward EV2 and install mddle grounding PIP Pin
73 ---->EV2 Install Right Side Pad to mast canister using PGT [A2, CW2]
74 ---->EV1 Install Right Mid Strut L7 to Mounting Bracket L7 using PGT [B1, CW2] then stow PGT
75 ---->EV1 Install grounding PIP pin to grounding block
76 ---->EV2 Drive Adjustment Collar bolts M25 and M26 on Right Mid Strut using PGT [B5, CW2]
77 ---->EV2 Drive Adjustment Collar bolts M29 and M30 on Left Mid Strut using PGT [B5, CW2]
78 ---->EV1 Egress APFR then Close MLI on Struts
79 ---->EV2 Verify middle PIP Pin in final location and MLI covering side pad then Stow PGT on swing arm80 2B-4B TRANSITION
80 2B-4B TRANSITION
81 ---->EV1 Retrieve WIFEX+APFR then Translate to 4B [EA
82 ---->EV1 Install WIFEX in WIF 37 [6,G,5] and Verify APFR [12,SS,F,12]
83 ---->EV2 Retreive PGT from HR 5372 then Translate to 4B lEA
84 ---->EV2 Tether PGT w/ 7116 Wobble Socket to Bag
85 4B UPPER BRACKET BUILD
86 ---->EV1 Translate to Strut Bag and Retrieve Right Upper Strut
87 ---->EV2 Retrieve Mounting Bracket
88 ---->EV1 Install Right Upper Strut L7 to Mounting Bracket L7
89 ---->EV2 Drive Right Upper Strut to Mounting Bracket bolts 4 turns using PGT [B3,CW2]
90 ---->EV1 Retrieve Left Upper Strut and install Strut L8 to Mouting Bracket Left Side
91 ---->EV2 Assemble Left Upper Strut to Center Pad using PGT [B1,CW2]
92 ---->EV2 Drive Left Upper Strut to Mounting Bracket bolt (M15) 4 turns using PGT [B3,CW2]
93 ---->EV2 Drive Left Upper Strut to Mounting Bracket bolts to Torque
94 ---->EV2 Drive Right Upper Strut to Mounting Bracket bolts to Torque
95 ---->EV2 Move PGT w/ 7116 Wobble to HR on Right Upper Strut
96 4B CENTER PAD TO MAST CANISTER
97 ---->EV1 Translate to and Inress APFR
98 ---->EV1 Recieve Upper Triangle from EV2
99 ---->EV2 Stow PGT w 5/8 x 2 Socket on HR 5366
100 ---->EV1 Install Center Pad to Mast Canister using PGT [A2,CW2] Then Stow PGT
101 ---->EV1 Install Left Grounding PIP Pins into Grounding Block
102 ---->EV1 Install MLI over Left Strut/Center Pad intefaces
103 ---->EV1 Verify Right PIP Pin and MLI in place
104 INSTALL 4B RIGHT LOWER STRUT
105 ---->EV1 Retrieve PGT w/ 7116 Wobble then Egress APFR
106 ---->EV2 Recieve PGT from EV1 and Stow on Swingarm
107 ---->EV1 Adjust WIFEX to [6,G,1]
108 ---->EV1 Adjust APFR to [12,NN,C,12]
109 ---->EV1 Ingress APFR
110 ---->EV2 Retrieve Right Lower Strut and Transfer to EV1
111 ---->EV2 Translate to Mast Canister right side SABB launch bracket
112 ---->EV2 Install Right Lower Strut to SABB bracket driving (M19) 4 turns using PGT [A1,CW1]
113 ---->EV1 Install Right Lower Strut L6 to Mounting Bracket L6 using PGT [B1,CW2]
114 ---->EV1 Stow PGT and Install grounding PIP pin to Grounding Block
115 ---->EV1 Secure strut MLI
116 ---->EV2 Drive bolt (M19) to torque with PGT [B7,CW2]
117 ---->EV2 Use PGT in Ratchet to set torque on M19 using [Mech,RCW,30.5]
118 ---->EV2 Stow PGT on HR 5366 and verify lower strut MLI
119 2B-4B CLEANUP
120 ---->EV1 Egress APFR
121 ---->EV1 Inventory Strut Bag1 then Close and Cinch Bag 1
122 ---->EV2 Retrieve PGT from HR 5366 and Stow in Strut Bag 2
123 ---->EV2 Inventory Strut Bag 2 then Close and Cinch Bag 2
124 ---->EV2 Stow Strut Bag 2 on BRT
125 ---->Translate to and Retreive GREEN hooks (EV1->HR 5311, EV2->HR 5309)
126 INGRESS
127 ---->Translate back to AIL
128 ---->EV2 Stow Strut Bag bundle
129 ---->Ingress Airlock

EVA Get Ahead Steps (from DOUG as of 02/10/2021)

0 US_EVA_IROSA_Prep_EVA_Get_Aheads Reconfig Dialog
1 Complete 4B Mod Kit
2 ->Right Mid Strut Install
3 ---->EV2 Translate to mast canister Right Pad install location
---->EV1 Retrieve Right Mid Strrut from BRT
5 ---->EV1 Release grounding PIP Pins and Extend Side Pad toward EV2
6 ---->EV2 Install Right Side Pad to mast canister using PGT [A2,CW2]
7 ---->EV1 Install Right Mid Strut L7 to Upper Strut L7 using PGT [B1,CW2]
8 ---->EV1 Install grounding PIP pin to grounding block
9 ->Left Lower Strut Install
10 ---->EV1 Egress and Roll APFR to [12,NN,H,12]
11 ---->EV2 ON MCC GO Retrieve and Transfer Left Mid Strut to EV1
12 ---->EV1 Ingress APFR
13 ---->EV2 Retreive and Transfer Left Lower Strut to EV1
14 ---->EV2 Translate to mast cansiter left side SABB bracket
15 ---->EV2 Verify bearing alignment then install Left Lower Strut (M21) 4 turns to SABB bracket using PGT [A1,CW1]
16 ---->EV1 Install Left Lower Struct L5 to mounting bracket L5 using PGT [B1,CW2]
17 ---->EV2 Drive (M21) to torque using PGT [B7,CW2]
18 ---->EV2 Configure PGT [Mech,RCW,30.5] then use PGT to set torque on (M21)
19 ---->EV2 Put PGT back in MTR and stow on HR 5366
20 ---->EV1 Install grouding PIP pin to grounding block
21 ->Left Mid Strut Install (ON MCC GO)
22 ---->EV2 Translate to mast canister Left Pad Install location
23 ---->EV1 Retrieve Left Mid Strut from BRT and Extend side pad to EV2
24 ---->EV2 Install Left Side Pad to mast canister using PGT [A2,CW2]
25 ---->EV1 Install Left Mid Strut L8 to Upper Strut L8 using PGT [B1,CW2]
26 ---->EV1 Install grounding PIP Pin into grounding block
27 ---->EV1 Egress APFR
28 ->4B Clamps & MLI (ON MCC GO)
29 ---->EV2 Drive Left Mid Strut Adjustment Collar bolts (M29) and (M30) to torque using PGT [B5,CW2]
30 ---->EV1 Close MLI on Left Side Struts
31 ---->EV2 Drive Right Mid Strut Adjustment Collar Bolts (M26) and (M30) to torque using PGT [B5, Cw2]
32 ---->EV1 Close MLI on Right Side Struts
33 ->Worksite Cleanup
34 ---->EV2 Retreive PGT from HR 5366 and Stow in Strut Bag 1
35 ---->EV2 Perform Strut Bag 1 Inventory then Close Bag
36 ---->EV2 Retrieve and stow APFR on BRT
37 ---->EV2 Translate to Strut Bag 2 and perform Inventory
38 ---->EV1 Bundle Strut Bag 1 to WIFEX then Retreive and stow WIFEX on BRT
39 ---->EV1 Translate to P6 HR 5311 to retrieve GREEN hook
40 ---->EV2 Translate to P6 2B WIF 31 install APFR with Settings [12,I1,F,12]
41 ---->EV2 Translate to P6 HR 5309 to Retrieve GREEN hook
42 ---->EV1 Translate to port CETA Cart WIF 3 and install WIFEX with settings [4,-,1]
43 P6 WIF Integrity Check
44 ---->Translate to P6 4B WIF 08 then inspect WIF and report gap status to MCC-H
45 ---->Install APFR into WIF 08 and Check WIF for any motion
46 ---->Retreive APFR and stow on BRT
47 A (P4) SABB Base Joint Restraint
48 ---->Translate to 4A SABB launch restraints
49 ---->Install Wire Ties
50 P4 MMOD Cover Bolt Release
51 ---->Translate to P4 MMOD Cover
52 ---->Release Bolt 3 using PGT [B2,CCW2]
53 ---->Release Bolts 4, 1, 2 using PGT [B2,CCW2]

« Last Edit: 02/28/2021 12:48 pm by Chris Bergin »

Offline Raffaele_Di_Palma

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Re: ISS U.S. EVA-71
« Reply #1 on: 01/24/2021 05:46 am »

Offline cohberg

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Re: ISS U.S. EVA-71
« Reply #2 on: 01/26/2021 10:44 pm »
Quote
iss064e015374 (Dec. 28, 2020) --- A pair of U.S. spacesuits are pictured inside the Quest airlock packed with a variety of hardware ahead of planned spacewalks for upgrades and maintenance outside the International Space Station.

Pictured are the Mounting Bracket, Lower Struts and Mid Struts

Offline Jansen

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Re: ISS U.S. EVA-71
« Reply #3 on: 02/02/2021 05:23 pm »
Gotta say, I’m loving the format of the top post. All the most relevant information right there. That should be the new standard.

Offline Sesquipedalian

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Re: ISS U.S. EVA-71
« Reply #4 on: 02/08/2021 09:35 pm »
This was scheduled for NET today, but I guess it's been postponed.

Offline SMS

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---
SMS ;-).

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #6 on: 02/18/2021 08:23 am »
Mission audio has finally returned consistently to the UStream ISS feed...  EVA preps are underway with Kate and Ike talking about waist tethers.  The ones on orbit are showing their age, and the crew is choosing the best available.  Replacements are expected on Cygnus.
« Last Edit: 02/18/2021 08:26 am by Targeteer »
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline SMS

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Re: ISS U.S. EVA-71
« Reply #7 on: 02/24/2021 02:51 pm »


Quote
On Sunday, Feb. 28, NASA Astronauts Kate Rubins and Victor Glover will step out of the space station to begin assembling and installing modification kits required for upcoming solar array upgrades. The current solar arrays are functioning well, but have begun to show signs of degradation, as expected, as they were designed for a 15-year service life. The first pair of solar arrays were deployed in December 2000 and have been powering the station for more than 20 years. Later this year, the new solar arrays will be positioned in front of six of the current arrays, increasing the station’s total available power from 160 kilowatts to up to 215 kilowatts. Rubins will be extravehicular crew member 1 (EV 1) wearing red stripes. Glover will be extravehicular crew member 2 (EV 2) and wear a suit with no stripes. This spacewalk will be the third of Rubins’ career. Glover has conducted two spacewalks as part of this expedition, making the spacewalk on Feb. 28 the third in his career. It will be the 235th in the history of station assembly, maintenance, and upgrades. Live coverage of the Sunday, Feb. 28, spacewalk will air on NASA Television, the NASA app, and the agency’s website at 4:30 a.m. EST, with the crew members scheduled to exit the station’s Quest airlock about 6:00 a.m. EST.
---
SMS ;-).

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #8 on: 02/24/2021 02:52 pm »
The crew encountered several issues during EMU fit check and check-out.  Neither was completed, additional trouble shooting is necessary, and the ground is scrambling to reorder schedule (Soichi and Kate didn't eat lunch) and still support Sunday's planned EVA
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #9 on: 02/24/2021 03:25 pm »
Kate's EMU needs 1.5 hours of trouble shooting.  Major re-planning of the schedule for tomorrow and maybe the rest of the week is underway
« Last Edit: 02/24/2021 03:26 pm by Targeteer »
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline jcm

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Re: ISS U.S. EVA-71
« Reply #10 on: 02/24/2021 06:48 pm »
Gotta say, I’m loving the format of the top post. All the most relevant information right there. That should be the new standard.

Can we add the EMU numbers there? :-)
-----------------------------

Jonathan McDowell
http://planet4589.org

Offline Joachim

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Re: ISS U.S. EVA-71
« Reply #11 on: 02/26/2021 03:35 pm »
Gotta say, I’m loving the format of the top post. All the most relevant information right there. That should be the new standard.

Can we add the EMU numbers there? :-)

Has someone the EMU numbers for Rubins and Glover?

Offline SMS

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Re: ISS U.S. EVA-71
« Reply #12 on: 02/26/2021 07:48 pm »
https://www.americaspace.com/2021/02/25/artemis-team-duo-prepare-for-sunday-morning-spacewalk/

Quote
On Wednesday, they were joined by Hopkins and Noguchi to perform “fit-checks” of their suits—with Rubins set to wear EMU No. 3015 and Glover EMU No. 3009—and later participated in a review of EVA-71 procedures with teams at Mission Control.
---
SMS ;-).

Offline gemmy0I

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Re: ISS U.S. EVA-71
« Reply #13 on: 02/26/2021 08:22 pm »
https://www.americaspace.com/2021/02/25/artemis-team-duo-prepare-for-sunday-morning-spacewalk/

Quote
On Wednesday, they were joined by Hopkins and Noguchi to perform “fit-checks” of their suits—with Rubins set to wear EMU No. 3015 and Glover EMU No. 3009—and later participated in a review of EVA-71 procedures with teams at Mission Control.
Interesting. Sounds like they're done with 3006 then (at least for the time being), which would make sense as it's seen 18 EVAs since its last refurb. (3008 logged a whopping 26 before getting sent home on SpX-21, if I'm counting correctly, but that seems to have been exceptional. By contrast, 3003, the other one rotated out in the recent past, was sent home after 18.)

I suppose 3006 will get rotated into on-station storage as a spare and then exchanged for a fresh one on an upcoming Dragon flight, probably SpX-22.

That will leave 3004, which currently has 14 EVAs on the odometer, as the only remaining one on-station that isn't recently "fresh", and I wouldn't be surprised if they swap it out too in the near future (SpX-23 perhaps?) to complete the rotation cycle. 3009 is nearly "new" (Glover's 2 recent EVAs are the only ones on it since refurb), and 3015 is brand-new having gone up on SpX-21.

At the rate they've been using them, a set of 4 nearly-"new" EMUs on station may should be enough to hold out until they start phasing in the xEMUs a couple years from now. They might put one or two of them through another refurb cycle to avoid being caught up a creek without a paddle if the xEMU development program experiences any delays (as such things typically do).

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #14 on: 02/28/2021 05:34 am »
Soichi reports the crew is at step 96 and Houston reports they will be go at 45 minutes PET
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #15 on: 02/28/2021 06:06 am »
comm checks in progress
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #16 on: 02/28/2021 07:46 am »
ISLE protocol about to commence
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline Targeteer

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Re: ISS U.S. EVA-71
« Reply #17 on: 02/28/2021 08:25 am »
NASA TV coverage starting in 5 minutes
« Last Edit: 02/28/2021 08:26 am by Targeteer »
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Online eeergo

Re: ISS U.S. EVA-71
« Reply #18 on: 02/28/2021 10:19 am »
Hatch and thermal cover are open, EVAers in battery power. Rubins (red stripes) egressing, first out. Glover out next with the large bags (no stripes).
-DaviD-

Online eeergo

Re: ISS U.S. EVA-71
« Reply #19 on: 02/28/2021 10:23 am »
First bracket bag (called "strongbacks" by NASA PAO) out:
-DaviD-

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