Author Topic: Soyuz-U launch and Progress M-20M Updates - July, 2013 - Feb, 2014  (Read 64808 times)

Offline Nicolas PILLET

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #40 on: 07/24/2013 04:27 pm »
LV Soyuz general integration is completed

It happened in MIK-40, so I guess the launch will be from 17P32-6...
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Offline Nicolas PILLET

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #41 on: 07/24/2013 04:33 pm »
I thought Progresses had an orbital lifetime limit of around 6 months, due to corrosion of the propellant lines in the peroxide thruster system?

The peroxide system (СИОС) is used only on the Descent Compartment of Soyuz spaceship. Since there is no Descent Compartment on Progress, there is no peroxide system.

On Soyuz, the problem is not about corrosion. The problem is that H2O2, naturally, transforms itself into O2 and H2O. If the Soyuz stays in orbit for more than 6 months, estimations show that remaining quantity of H2O2 is not sufficient to ensure a safe reentry.

Note that on Soyuz's first version (11F615), the attitude control system of the whole spaceship use H2O2. Since Soyuz T (11F732), the attitude control system uses the same propellant tanks than main engine (SKD).
Nicolas PILLET
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Offline Star One

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #42 on: 07/24/2013 05:50 pm »
Are these still Progress M1 vehicles or has the model evolved on since then?

Progress M1 had some very advanced features, but was discontinued due to expense and lack of requirements for the extra prop that it could carry.


The whole M1 did seem a curious evolution as was there ever that strong a need for extra propellant carriage at the cost of dry cargo for ISS.

Offline Danderman

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #43 on: 07/24/2013 09:34 pm »
Are these still Progress M1 vehicles or has the model evolved on since then?

Progress M1 had some very advanced features, but was discontinued due to expense and lack of requirements for the extra prop that it could carry.


The whole M1 did seem a curious evolution as was there ever that strong a need for extra propellant carriage at the cost of dry cargo for ISS.

In the early days of ISS, ATV delivery of prop was not obviously going to happen.

Offline Artyom.

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #44 on: 07/25/2013 06:57 am »
LV Soyuz-U rollout to the launch pad
http://www.federalspace.ru/main.php?id=2&nid=20229 (on Russian)

Offline Artyom.

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #45 on: 07/25/2013 08:25 am »

Offline Artyom.

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #46 on: 07/25/2013 04:56 pm »
Roscosmos video of roll-out


Offline DenRur

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Offline Chris Bergin

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Offline 360-180

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #49 on: 07/27/2013 06:58 pm »

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #50 on: 07/27/2013 07:15 pm »
People on the pad still.
« Last Edit: 07/27/2013 07:26 pm by sdsds »
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Offline Prober

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Re: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #51 on: 07/27/2013 07:37 pm »
Live: http://www.tsenki.com/en/broadcast/

can someone tell me what gives?
This launch is not on the list.  Yet its on tsenki site
 
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Offline Prober

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #52 on: 07/27/2013 07:41 pm »
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Offline Prober

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #53 on: 07/27/2013 07:42 pm »
« Last Edit: 07/27/2013 07:48 pm by Prober »
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Offline mheney

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #54 on: 07/27/2013 07:42 pm »
I suspect that's a typo - the launch is a Progress-M, not a Glonass-M.

Offline Prober

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #55 on: 07/27/2013 07:50 pm »
I suspect that's a typo - the launch is a Progress-M, not a Glonass-M.


clearly says the 28th not the 27th.
« Last Edit: 07/27/2013 07:52 pm by Prober »
2017 - Everything Old is New Again.
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Offline patchfree

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #56 on: 07/27/2013 07:55 pm »
How many time before the launch?
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Offline Mapperuo

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #57 on: 07/27/2013 07:56 pm »
I suspect that's a typo - the launch is a Progress-M, not a Glonass-M.


clearly says the 28th not the 27th.

Launch is on the 28th in Baikonur time.  :)
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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #58 on: 07/27/2013 07:57 pm »
I believe it is now three minutes until midnight in Moscow, and the launch is scheduled for 45 minutes after midnight, Moscow time.
« Last Edit: 07/27/2013 07:57 pm by sdsds »
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Offline Prober

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Re: LIVE: Soyuz-U launch with Progress M-20M - July 27, 2013
« Reply #59 on: 07/27/2013 07:59 pm »
Looks like someone trashed the old flow player ....im getting good feed now.
 
a larger pic to enjoy
 
« Last Edit: 07/27/2013 08:03 pm by Prober »
2017 - Everything Old is New Again.
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