Author Topic: RS EVA VKD-60 - Workpost transfer, MMOD shielding - Aug 9 (Prokopyev, Petelin)  (Read 12256 times)

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https://www.nasa.gov/press-release/nasa-sets-coverage-of-roscosmos-spacewalk-outside-space-station

Quote
NASA will provide live coverage beginning at 10:15 a.m. EDT Wednesday, Aug. 9, as two Roscosmos cosmonauts conduct a spacewalk to upgrade the International Space Station. The spacewalk is expected to begin about 10:45 a.m., and last up to seven hours.

Coverage will air on NASA Television, the NASA app, and the agency’s website.

Expedition 69 crewmates Sergey Prokopyev and Dmitri Petelin will venture outside the station’s Poisk airlock to attach three debris shields to the Rassvet module. They also will test the sturdiness of a work platform that will be affixed to the end of the European robotic arm attached to the Nauka multipurpose laboratory module.

The spacewalk will be the eighth for Prokopyev, who will wear an Orlan spacesuit with red stripes, and the sixth for Petelin, who will wear a spacesuit with blue stripes.

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Here's the animation laying out the expected tasks for tomorrow's spacewalk:



Rough sequence of events:
 - Exit Poisk airlock with MMOD shield bundles
 - Translate along Strela-2 forward to Zarya module, then nadir to Rassvet module
 - Install 2 MMOD shields where the ShK airlock was previously stowed
 - Install 1 MMOD shield where the RTOd radiator was previously stowed
 - Remove portable workstation from Rassvet and install on the European Robotic Arm
 - ERA moves to a position near Nauka
 - Retrieve launch restraints that were removed from workstation and translate to Poisk, temporarily stowing restraints on the Strela-1 operator's post
 - Retrieve crew lock bags from airlock
 - Translate via Strela-1 nadir to Nauka to meet up with ERA / portable workstation
 - Prokopyev ingresses the workstation, Petelin positions himself to take imagery of robotic operations
 - ERA performs lengthy test maneuver, returns back to ingress point
 - Prokopyev egresses the workstation, spacewalkers translate zenith via Strela-1 to Poisk
 - Retrieve protective shroud bundle from airlock (shrouds were removed from RSPI-M after installation during VKD-59)
 - Prokopyev ingresses Strela-1 operator's post and jettisons shroud bundle and portable workstation launch restraints
 - Return to airlock, tool inventory, suit inspection
 - Enter airlock, end spacewalk.
« Last Edit: 08/08/2023 04:30 pm by Yellowstone10 »

Offline Galactic Penguin SST

Astronomy & spaceflight geek penguin. In a relationship w/ Space Shuttle Discovery. Current Priority: Chasing the Chinese Spaceflight Wonder Egg & A Certain Chinese Mars Rover

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NASA TV coverage has begun. Rob Navias providing commentary.
« Last Edit: 08/09/2023 02:20 pm by Yellowstone10 »

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Depressurization is underway.

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Hatch is open as of 14:45Z / 10:45 Eastern Time.

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Tethers are secured, sublimators on, egressing the airlock. We also have our first views of one of the cosmonauts.

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Both cosmonauts now outside the airlock, and they're activating the helmet cameras.

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Hooking up to the Strela translation ring. Note the flat panel MMOD shielding to be installed on Rassvet.

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Heading on over to Rassvet...

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Helmet cam views of a rather grimy Zarya. Also, the work platform they'll be working with later in the EVA.

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Earth! Looks like a pretty nice place to live.

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Getting ready to install the MMOD shields. (Interesting to see how they handle the connectors without a PGT!)

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First panel is on, working on the second.

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50 minutes elapsed time. The cosmonauts have been told to rest for a bit.

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A good view of Cygnus NG-19 - and behind it, France. They're commenting on the lack of snow in the Alps.

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Getting things tool-tight with the ratchet wrench.

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So that's what those white flaps are for - to cover the attachment fittings.

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The cosmonauts had a little difficulty translating to the next worksite due to some awkwardly long reaches between handrails, but they seem to have gotten it figured out.

Helmetcam view with the Cupola in sight - bet the USOS crew will get some good pictures. Also, an external camera view of the two cosmonauts and the ERA to which they'll be attaching the work platform.

Station has just gone into an orbital night.
« Last Edit: 08/09/2023 03:59 pm by Yellowstone10 »

Online Yellowstone10

They're in a loss-of-signal on the video, but the audio feed from the translator suggests they've got the third panel in place and are working on tightening the fasteners.

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