Expedition 22 spacewalk - January 14, 2010

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anik
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« Reply #45 on: 01/15/2010 07:55 PM »

I wonder if that corrosion would be from free atomic oxygen around the station?

I have been told that, if Elektron works in a mode with the maximum power consumption, it allocates alkali, which promotes corrosion occurrence.

- Removed the US EMU (Extravehicular Mobility Unit) lights, video camera, REBA battery & electric power cable from Orlan-MK for return to CDR Williams

I did not notice these items on Russian spacesuits during yesterday's spacewalk.
robertross
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« Reply #46 on: 01/15/2010 08:07 PM »

I wonder if that corrosion would be from free atomic oxygen around the station?

I have been told that, if Elektron works in a mode with the maximum power consumption, it allocates alkali, which promotes corrosion occurrence.


Thanks anik!

Depending on how serious, another lesson learned, and maybe something to remedy in future, or at least to avoid, depending on the severity.
JJ..
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« Reply #47 on: 01/15/2010 08:09 PM »

"Quote from: cb6785 on Today at 07:10 PM-

Removed the US EMU (Extravehicular Mobility Unit) lights, video camera, REBA battery & electric power cable from Orlan-MK for return to CDR Williams

I did not notice these items on Russian spacesuits during yesterday's spacewalk. "
...................................................................................................
During the comentary Im sure I heard that the lights (as used on American suits) were not being used,but it was clear that the Russian versions were,are the Russian lights "new" ?

Here's a pic of both lights "on"
The lights on the right were being cycled on and off as I got the grab,

JJ..
anik
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« Reply #48 on: 01/15/2010 09:02 PM »

During the commentary I'm sure I heard that the lights (as used on American suits) were not being used, but it was clear that the Russian versions were, are the Russian lights "new"?

This type of lights (with diode lamps) are using on our spacesuits since spacewalk on February 22, 2007.
Space Pete
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« Reply #49 on: 01/15/2010 09:31 PM »

Some fantastic hi-res images of the EVA are now online in the Expedition 22 Image Gallery - see pages 32 to 34.

www.spaceflight.nasa.gov/gallery/images/station/crew-22/ndxpage32.html
JJ..
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« Reply #50 on: 01/15/2010 09:38 PM »

During the commentary I'm sure I heard that the lights (as used on American suits) were not being used, but it was clear that the Russian versions were, are the Russian lights "new"?

This type of lights (with diode lamps) are using on our spacesuits since spacewalk on February 22, 2007.

Thanks,
I knew they'd got lights but always asumed they were the American ones,

JJ..
anik
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« Reply #51 on: 01/16/2010 09:04 AM »

I knew they'd got lights but always assumed they were the American ones

Our spacesuits got lights on Orlan-DM spacesuits (first use - on August 2, 1985) on Salyut-7 station. If I understand correctly, this type of lights (with two filament lamps in each light) have been used on Orlan-DM, Orlan-DMA and Orlan-M spacesuits (till February 22, 2007).

(see image 1)

From February 22, 2007 on Orlan-M and Orlan-MK spacesuits another type of lights (with 42 diode lamps in each light) is using.

(see image 2)

In many spacewalks on ISS we have used combination of Russian and US lights.

(see image 3)
Nicolas PILLET
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« Reply #52 on: 01/17/2010 07:41 PM »

Here is my summary on this spacewalk :

http://www.kosmonavtika.com/vaisseaux/mks/missions/mkseo22/4.html

(I've used some L2 material ;) )
anik
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« Reply #53 on: 01/17/2010 08:46 PM »

Here is my summary on this spacewalk:

http://www.kosmonavtika.com/vaisseaux/mks/missions/mkseo22/4.html

Do you offer to read it in French? :)

On figure 12 it is not AR-2AR-VKA antenna, it is 4AO-VKA antenna. AR-2AR-VKA antenna has two dish-like objects on one stanchion (see image below).
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« Reply #54 on: 01/17/2010 09:09 PM »

On figure 12 it is not AR-2AR-VKA antenna, it is 4AO-VKA antenna.

Of course it is 4AO-VKA !!! Excuse this stupid mistake !
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« Reply #55 on: 01/18/2010 06:48 AM »

01/17/2010:

In final close-out activities after the Orlan EVA on 1/14, Maxim & Oleg worked in the DC1 (Docking Compartment) to re-integrate the Progress 35P cargo ship, docked at the nadir port, with the ISS by:
  - Opening the hatches and installing the QD (quick disconnect) screw clamps (BZV) of the docking & internal transfer mechanism (SSVP) to rigidize the coupling
  - Installing the ventilation/heating air duct
  - Dismantling the docking mechanism (StM, Stykovochnovo mekhanizma) between the cargo ship and the DC-1
Space Pete
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« Reply #56 on: 01/19/2010 07:19 PM »

Some more hi-res photos of the EVA are now up in the Expedition 22 Image Gallery (Pages 35 & 36) - some REAL nice ones are on Page 36! :D

www.spaceflight.nasa.gov/gallery/images/station/crew-22/ndxpage35.html
saturnapollo
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« Reply #57 on: 01/19/2010 07:48 PM »

Would much rather see exterior shots of the ISS they must have taken.

Keith
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« Reply #58 on: 01/20/2010 07:53 PM »

Other pictures here :

http://www.federalspace.ru/main.php?id=48
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