Author Topic: Soviet/Russian space programs Q&A  (Read 629899 times)

Offline Stan Black

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Re: Soviet/Russian space programs Q&A
« Reply #840 on: 09/16/2013 05:42 am »
Rokot is launched from a transport and launch container.

If I understand correctly there were six of these in Baikonur that required disposal.

However there were only three Rokot from Baikonur

So when were they launched?

29.03.1990
20.11.1990
21.12.1990
26.11.1991
20.12.1991
26.12.1994

http://planet4589.org/space/lvdb/launch/UR-100N

http://www.zakupki.gov.ru/pgz/public/action/orders/info/common_info/show?notificationId=1163830
« Last Edit: 09/16/2013 06:00 am by Stan Black »

Offline Stan Black

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Re: Soviet/Russian space programs Q&A
« Reply #841 on: 10/18/2013 09:03 pm »
If I understand the following, then the attempted recovery of Foton-M is to be in 2015?

http://www.zakupki.gov.ru/pgz/public/action/orders/info/common_info/show?notificationId=7313789

« Last Edit: 10/19/2013 09:14 am by Stan Black »

Offline Stan Black

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Re: Soviet/Russian space programs Q&A
« Reply #842 on: 11/15/2013 05:44 pm »

Offline Nicolas PILLET

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Re: Soviet/Russian space programs Q&A
« Reply #843 on: 11/16/2013 05:14 pm »
Nicolas PILLET
Kosmonavtika : The French site on Russian Space

Offline SMS

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Re: Soviet/Russian space programs Q&A
« Reply #844 on: 01/23/2014 04:04 pm »
Today there were publish Progress M-22M cargo photos at Roscosmos web page.

One was at: http://www.federalspace.ru/media/gallery/big/20148/2758483809.jpg

What is it or what could it be? Any idea?

Thanks for your assistance.
---
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Offline manboy

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Re: Soviet/Russian space programs Q&A
« Reply #845 on: 01/23/2014 09:09 pm »
Today there were publish Progress M-22M cargo photos at Roscosmos web page.

One was at: http://www.federalspace.ru/media/gallery/big/20148/2758483809.jpg

What is it or what could it be? Any idea?

Thanks for your assistance.
Propellant (UDMH) tank?

From the press release

"Параллельно были выполнены запланированные операции с ТГК перед его транспортировкой на заправочную станцию. Работы по заправке баков двигательной установки ТГК компонентами топлива планируется выполнить в конце текущей недели."
« Last Edit: 01/23/2014 09:20 pm by manboy »
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Offline Danderman

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Re: Soviet/Russian space programs Q&A
« Reply #846 on: 01/23/2014 10:48 pm »
Today there were publish Progress M-22M cargo photos at Roscosmos web page.

One was at: http://www.federalspace.ru/media/gallery/big/20148/2758483809.jpg

What is it or what could it be? Any idea?

Thanks for your assistance.
Propellant (UDMH) tank?

From the press release

"Параллельно были выполнены запланированные операции с ТГК перед его транспортировкой на заправочную станцию. Работы по заправке баков двигательной установки ТГК компонентами топлива планируется выполнить в конце текущей недели."

It would seem to be internal cargo, given the context of the other photos. Besides, it is far too small to be one of the prop tanks, and these installed at the factory, not the launch site. IIRC, prop tanks are colored dark green.

Offline Remes

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Re: Soviet/Russian space programs Q&A
« Reply #847 on: 01/31/2014 03:19 pm »
http://www.youtube.com/watch?feature=player_detailpage&v=lVlwzTc0xis

I found this great video, which gives a lot of inside views in the technology of the Soyuz LV. Could someone tell/translate me, what the men at 10:42 is explaining? Are that the actuators for the vernier engines?
« Last Edit: 01/31/2014 03:21 pm by Remes »

Offline baldusi

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Re: Soviet/Russian space programs Q&A
« Reply #848 on: 01/31/2014 04:36 pm »
I've got another question. Is there any estimation of how much payload a Proton-M/Briz-M would have to GTO (1,500m/s) if launched from Kourou, for example?

Offline Danderman

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Re: Soviet/Russian space programs Q&A
« Reply #849 on: 01/31/2014 04:39 pm »
I've got another question. Is there any estimation of how much payload a Proton-M/Briz-M would have to GTO (1,500m/s) if launched from Kourou, for example?

It can be estimated by using SeaLaunch/LandLaunch as an analog, so the result is about double.

YMMV.

« Last Edit: 01/31/2014 04:39 pm by Danderman »

Online Galactic Penguin SST

Re: Soviet/Russian space programs Q&A
« Reply #850 on: 02/01/2014 05:41 am »
I've got another question. Is there any estimation of how much payload a Proton-M/Briz-M would have to GTO (1,500m/s) if launched from Kourou, for example?

I tried Schilling's launch performance calculator to answer this very question some time ago - IIRC the answer is >8 tonnes (maybe closer to 8.5 with all the performance refinements lately).
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Offline Remes

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Re: Soviet/Russian space programs Q&A
« Reply #851 on: 04/10/2014 10:15 pm »
http://www.energia.ru/ru/news/news-2014/im/photo_04-09-12.jpg

The valves shown in the upper right corner (3 rather large valves, not the solenods on the right end):
- are they the same as on the ATV External Bay?
- Are that switched or linear valves?
- Does anyone know what kind of actuator is used? Solenoid/Brushless/Stepper/...
- Is any Feedbackdevice embedded? (Pressure sensor, some position sensor, ...)

Generally what kind of actuators are Russian/Ukrainian/... systems using on their valves for rockets, modules, engines, ...

Offline Danderman

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Re: Soviet/Russian space programs Q&A
« Reply #852 on: 04/14/2014 06:21 pm »
http://www.energia.ru/ru/news/news-2014/im/photo_04-09-12.jpg

The valves shown in the upper right corner (3 rather large valves, not the solenods on the right end):
- are they the same as on the ATV External Bay?
- Are that switched or linear valves?
- Does anyone know what kind of actuator is used? Solenoid/Brushless/Stepper/...
- Is any Feedbackdevice embedded? (Pressure sensor, some position sensor, ...)

Generally what kind of actuators are Russian/Ukrainian/... systems using on their valves for rockets, modules, engines, ...

These look to be ТМДТ valves, similar to those on Pirs.

Assuming this is the case, the fuel and oxidizer lines would both have a pressure sensor and a temperature sensor (actually, a pressure sensor for each manifold).

The L2 documentation may have more specific information for the Node module.

Offline Remes

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Re: Soviet/Russian space programs Q&A
« Reply #853 on: 04/23/2014 12:11 am »
These look to be ТМДТ valves, similar to those on Pirs.
What does the acronym stand for? Couldn't find anything.

http://technomag.edu.ru/doc/50693.html

This site mentions brushless DC motors in use since the 60's. In Chertok's book typical valve types where mentioned (pyro, pneumatic, solenoid, stepper).

Offline Danderman

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Re: Soviet/Russian space programs Q&A
« Reply #854 on: 04/23/2014 05:04 am »
These look to be ТМДТ valves, similar to those on Pirs.
What does the acronym stand for? Couldn't find anything.


Its the propellant lines.


Offline fregate

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Re: Soviet/Russian space programs Q&A
« Reply #855 on: 04/23/2014 05:09 am »
These look to be ТМДТ valves, similar to those on Pirs.
What does the acronym stand for? Couldn't find anything.

http://technomag.edu.ru/doc/50693.html

This site mentions brushless DC motors in use since the 60's. In Chertok's book typical valve types where mentioned (pyro, pneumatic, solenoid, stepper).
Система ТМДТ (транзитные магистрали дозаправки топливом) IMHO the best translation would be refueling system feed line
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Offline Nicolas PILLET

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Re: Soviet/Russian space programs Q&A
« Reply #856 on: 05/21/2014 05:27 pm »
Someone has an idea of which Progress is shown in this video, at 3'18" ?

Nicolas PILLET
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Offline anik

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Re: Soviet/Russian space programs Q&A
« Reply #857 on: 05/21/2014 05:33 pm »
Someone has an idea of which Progress is shown in this video, at 3'18"?

http://space.skyrocket.de/doc_sdat/inspector-1.htm

Offline Stan Black

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Re: Soviet/Russian space programs Q&A
« Reply #858 on: 07/21/2014 10:39 am »
14К034 is the code used to cover a complete rocket and satellite system.

What I can find out is that the launch is to use:-
Fregat upper stage.
Debris from the launch is to fall in the Arkhangelsk Region and the town Vashka in the Komi Republic (Архангельской области и Республики Коми в местечке Вашка).

So are those normal drop zones for a Soyuz Fregat launch from Plesetsk?

Online Galactic Penguin SST

Re: Soviet/Russian space programs Q&A
« Reply #859 on: 07/21/2014 03:10 pm »
This is a question about the launch processing of the Soyuz rocket (or the Semyorka):

Earlier this month 2 launches of the Soyuz were done from the same pad in the span of less than 10 days (Meteor-M #2 on July 8 and Foton-M #4 on July 18, both from pad 31/6 at Baikonur, with the later being a unique launch that requires the rocket rolling out just 1 day before launch due to last-minute load of biological experiments!), something that even the R-7 hasn't done for quite some time. My questions are:
1. How much maintenance is needed for the Soyuz pads between launches?
2. Can a same pad support a 10-day turnaround between 2 launch operations for more than a few launches if necessary?
3. Are there any configuration changes required at the pads between different R-7 variants flying today (of course the new Soyuz-2.1v would need some changes, but what about between a Soyuz-2 and a Soyuz-U? What about the Molniya-M when it used to fly?)
4. In theory, how many launch operations can the different Soyuz pads (at Baikonur, Plesetsk and at Kourou, as well as at Vostochny in the next year or 2) support today in one calender year?

I must say that I am impressed at the launch pace the R-7 can support even in 2014, especially considering that I heard the launch processing of the Soyuz rocket requires quite a bit of manual operations and unique procedures for rockets worldwide (e.g. using hydrogen peroxide for powering engine turbopumps)! A certain SoCal aerospace company might be able to learn from the engineers of Samara....  ;)
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