Author Topic: Expedition-25 spacewalk November 15, 2010  (Read 35824 times)

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #40 on: 11/15/2010 02:17 PM »
CMG are maintaining attitude control, don't they usually use russian attitude control during russian EVAs?
« Last Edit: 11/15/2010 02:18 PM by arkaska »

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #41 on: 11/15/2010 02:19 PM »
Oleg and Fyodor are both working on the set-up of the workstation install on the SM

Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #42 on: 11/15/2010 02:19 PM »
One Percent for Space!!!

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #43 on: 11/15/2010 02:21 PM »
Gotta love this conversation

"did you break it?"

"of course"

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #44 on: 11/15/2010 02:22 PM »
We can now get Oleg's helmet cam through the ISS feed

Offline Space Pete

Re: Expedition-25 spacewalk November 15, 2010
« Reply #45 on: 11/15/2010 02:22 PM »
According to NASA PAO this is the first russian EVA preformed not just over Russian ground-stations since data is now feed through TDRS/MCC-H to MCC-M

Yup, that is correct. For reference, here is more info from the Expedition 25 thread:

From ISS On-Orbit Status Report for 10/11/2010.

RS EVA Flight Rule Change:
IMMT (ISS Mission Management Team) today approved a change in a Flight Rule which in the past called for RS EVA to take place only over RGSs (Russian Ground Sites) for downlinking Orlan suit telemetry via VHF (Very High Frequency). ISS, Soyuz, and Orlan suits utilize VHF-2 frequency pair. VHF-2 up to now had been limited to spacecraft emergencies or any contingency scenarios. The FR change allows Orlan spacesuit EVA operations over CONUS (Continental US) using the VHF-2 channel as well as spacecraft emergencies and contingencies. Use of VHF over CONUS requires GSFC network director pre-coordination due to frequency proximity to those of general aviation.
Electronic Engineer by day, NASASpaceflight's ISS Editor by night | Read my NASASpaceflight articles here

Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #46 on: 11/15/2010 02:23 PM »
helmet cam views..
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Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #47 on: 11/15/2010 02:25 PM »
One Percent for Space!!!

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #48 on: 11/15/2010 02:27 PM »
They are working on the installation of workstation

I don't know it it's the translator but the conversation between the crew  sounds really funny from time to time

Offline MikeMi.

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #49 on: 11/15/2010 02:27 PM »
CMG are maintaining attitude control, don't they usually use russian attitude control during russian EVAs?

I thought also that it was played like that but now I'm not sure. Probably Space Pete will know :)

Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #50 on: 11/15/2010 02:29 PM »
One Percent for Space!!!

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #51 on: 11/15/2010 02:30 PM »
It is hard to follow along with updates since they don't use the same system with an IVA that reads from a check-list. We can mostly hear the conversation between Oleg and Fyodor.

As a side-note the best russian translator I heard on NASA TV just came on.
« Last Edit: 11/15/2010 02:31 PM by arkaska »

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #52 on: 11/15/2010 02:32 PM »
First area of attachment complete and finally checks are in place to make sure it's secure before moving on to next location

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #53 on: 11/15/2010 02:33 PM »
If I understood correctly they are just installing gap-spanners before they start driving the 4 bolts that will hold the workstation in place.

Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #54 on: 11/15/2010 02:34 PM »
« Last Edit: 11/15/2010 02:35 PM by stockman »
One Percent for Space!!!

Offline Space Pete

Re: Expedition-25 spacewalk November 15, 2010
« Reply #55 on: 11/15/2010 02:35 PM »
CMG are maintaining attitude control, don't they usually use russian attitude control during russian EVAs?

I thought also that it was played like that but now I'm not sure. Probably Space Pete will know :)

:)

On the last Russian EVA (25), attitude control was handed over from USOS CMGs to RS Thrusters prior to egress. So I don't know why it's different this time. It could be an error on the part of the PAO.
Electronic Engineer by day, NASASpaceflight's ISS Editor by night | Read my NASASpaceflight articles here

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #56 on: 11/15/2010 02:37 PM »
:)

On the last Russian EVA (25), attitude control was handed over from USOS CMGs to RS Thrusters prior to egress. So I don't know why it's different this time. It could be an error on the part of the PAO.

It might be depending on their work location; if they are in the way for the thrusters but I'm not sure.

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #57 on: 11/15/2010 02:39 PM »
Reminding the crew to make sure their temperature in the suits are right.

Night-pass now so asked to remove covers.

Offline arkaska

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #58 on: 11/15/2010 02:40 PM »
Reminding the crew to make sure their temperature in the suits are right.

Night-pass now so asked to remove covers to inspect the holes that the bolts will go in.

Offline stockman

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Re: Expedition-25 spacewalk November 15, 2010
« Reply #59 on: 11/15/2010 02:40 PM »
One Percent for Space!!!

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