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Forum:	Soviet - Russian Space
Topic:	Soyuz 4 and Soyuz 5 crew transfer

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Your Reply: HTML is ON UBB Code is ON Smilies Legend	[QUOTE]Originally posted by Jim Behling: [B] [QUOTE]Originally posted by Explorer1: [b]...presumably they each had a tethered line that led inside of the orbital module.[/b][/QUOTE] Bad assumption. How would it get there? [QUOTE][b]Or did the cosmonauts progressively attach and reattach their tethers...[/b][/QUOTE] That is how it is done.[/B][/QUOTE]
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<table border=0 cellpadding=0 cellspacing=0 width="600"><TR><td bgcolor="#000000"><TABLE BORDER=0 cellpadding=4 border=0 cellspacing=1 WIDTH="100%"><TR bgcolor="#660000"><TD COLSPAN=2><CENTER>T O P I C     R E V I E W</CENTER></TD></TR><TR bgcolor="#494949"><TD valign=top>Lou Chinal</TD><TD>Vladimir Shatalov was the commander of Soyuz 4 and Boris Volynov was the commander of Soyuz 5. Did they have pressure suits? Three people could not have fit into the reentry module with suits on. Aleksei Yeliseyev and Yevgeny Khrunov must have had their suits in the orbital module. Did they leave them in there after the EVA? If Shataov and Volynov did not have suits they must have stayed in the reentry module. Could they have helped Yeliseyev and Khrunov in any way?Also how come no pictures of what must have been a classic EVA?</TD></TR><TR bgcolor="#333333"><TD valign=top>Mike Dixon</TD><TD>I believe neither Volynov nor Shatalov had pressure suits, only entering the orbital modules of both Soyuz 5 and 4 (respectively) for the suit checkout prior to EVA from Soyuz 5 and after repressurising Soyuz 4's orbital module, to assist in suit removal following the transfer. </TD></TR><TR bgcolor="#494949"><TD valign=top>FFrench</TD><TD> <BLOCKQUOTE>quote:<HR>Originally posted by Lou: Also how come no pictures of what must have been a classic EVA?<HR></BLOCKQUOTE> When it comes to still photos, as we explain in "In the Shadow of the Moon," Khrunov accidentally let go of the camera and lost it. We describe the EVA in some detail in the book, including personal recollections from the cosmonauts on the mission.</TD></TR><TR bgcolor="#333333"><TD valign=top>E2M Lem Man</TD><TD>As my colleague said, they lost the camera, like Mike Collins did on Gemini 10, but there have been some TV captures from that mission. There was TV views of the docking and of the EVA. These have been published in brochures and in the classic book "Russians in Space" (1972?).</TD></TR><TR bgcolor="#494949"><TD valign=top>Lou Chinal</TD><TD>Now I remember reading the camera was lost, but I was still hoping that Shataov or Volynov had taken a classic shot, similar to what McDivitt had done to Ed White on Gemini 4. I don't even know if this was possible from a Soyuz? It's just a shame the camera was lost and the suits burned up in the orbital module.</TD></TR><TR bgcolor="#333333"><TD valign=top>jasonelam</TD><TD>Two stories have appeared that suggest there were problems that caused the images to be lost. The first one is that Khrunov's suit ventilator got shut off during his transfer, and the in the attempt to fix the problem the camera was forgotten. The second, and to me the most viable, almost seems like the case of the glove that floated out of Gemini IV during Ed Whites spacewalk. Yeliseyev recorded Khrunov's transfer, and as he was preparing to transfer himself, he found that he could not close the container for the camera properly. Finally, he thought it was secure and started his walk over to Soyuz 4, but the camera came loose and floated into space. Thus the only images available were by very poor video. </TD></TR><TR bgcolor="#494949"><TD valign=top>LM-12</TD><TD> <BLOCKQUOTE>quote:<HR>Originally posted by Lou Chinal: Did they have pressure suits?<HR></BLOCKQUOTE> Here is some really terrific footage of the Soyuz 4 and 5 missions. It does not look like they wore spacesuits for those two launches. Just two spacesuits onboard for the EVA, I guess.In fact, I am getting the impression that none of the early Soyuz cosmonaut crews (up to and including Soyuz 11) wore spacesuits for launch. Is this correct? <center><iframe width="400" height="225" src="https://www.youtube.com/embed/JlLS1RIsm04?rel=0&showinfo=0" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen>

MSS

Yes, it's correct.

kyra

Correct. To further clarify they were only worn by Khrunov and Yeliseev on the transfer EVA.

There was some debate on the Novosti Kosmonavtiki this year about whether spacesuits were flown (but not worn) in the Orbital Module for other crew members on the Soyuz-1 through Soyuz 11 missions. The Soyuz 7K-OK missions are now the most mysterious from a procedural and technical standpoint since most of the Vostok and Voskhod mysteries were solved with the release of technical documents at the 50th anniversaries.

LM-12

Soyuz 4 and Soyuz 5 were docked for 4 hours 35 minutes. The EVA duration was 37 minutes.

LM-12

More footage from the Soyuz 4 and Soyuz 5 missions:

onesmallstep

This is a very detailed article on the 50th anniversary of the flight.

Note it states that originally the spacewalking duo would wear a full backpack, but after tests in a zero-g parabola flight, it was found the diameter of the exit hatch was too narrow. So a modified oxygen pack was attached to each EVA member's leg (a screen shot from video of the spacewalk shows it clearly).

Explorer1

When Yeliseyev and Khrunov exited the Soyuz 5 orbital module, presumably they each had a tethered line that led inside of the orbital module. If this was the case, then they could not close the hatch of the Soyuz 5 orbital module after they exited it.

Volynov did not have a pressure suit. Yet there is footage of him floating freely inside the orbital module of Soyuz 5 after his crewmates had completed their spacewalk. So how was the Soyuz 5 orbital module hatch closed during the spacewalk?

Also, how were Khrunov's and Yeliseyev's tethers released from the Soyuz 5 orbital module after their transfer?

And if their tethers were attached to the outside of the Soyuz 5 orbital module, then were the tethers left there and just free floating attached to the exterior of the Soyuz 5 orbital module? Or did the cosmonauts progressively attach and reattach their tethers along the length of the docking adapters as they made their way from Soyuz 5 to Soyuz 4 much like mountain climbers do when scaling a mountain?

Jim Behling

quote:
Originally posted by Explorer1:
...presumably they each had a tethered line that led inside of the orbital module.

Bad assumption. How would it get there?

quote:
Or did the cosmonauts progressively attach and reattach their tethers...

That is how it is done.

Philip

In those early days, spacewalking cosmonauts wore their wristwatches underneath their Yastreb EVA spacesuit.

Although at 1:20 it looks like cosmonaut Yevgeni Khrunov is wearing a wristwatch at his right wrist over the Yastreb spacesuit. Strela chronograph — any ideas?

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