-
#760
by
Stan Black
on 07 May, 2012 07:10
-
So can someone help me understand this?
http://zakupki.gov.ru/pgz/public/action/orders/info/common_info/show?notificationId=3105458
See tab Документы заказа
АД Фрегат согласованная ДПСПР № 0173100004512000816 от 09.04.2012
Срок поставки товара: одного разгонного блока «Фрегат» - до 25 ноября 2013 г., двух – до 25 ноября 2014 г.
It has details of rocket with 11С824Ф and Fregat (see from page 38)?
I am not sure what your question is. If you wondering what "11С824Ф" is, its "разгонный блок Д-2 для РН "Протон-К"", ie an old version of Blok-D.
The blok D-2 was designed to carry the ADU of Fobos and Mars probes; the ADU was the predecessor of Fregat.
So this is flagman stage?
http://www.russianspaceweb.com/fregat.htmlWhy three after 2013?
And the carrier rocket has stage timings of 120 and 480 seconds; so that isn’t Proton.
-
#761
by
Danderman
on 07 May, 2012 14:30
-
So can someone help me understand this?
http://zakupki.gov.ru/pgz/public/action/orders/info/common_info/show?notificationId=3105458
See tab Документы заказа
АД Фрегат согласованная ДПСПР № 0173100004512000816 от 09.04.2012
Срок поставки товара: одного разгонного блока «Фрегат» - до 25 ноября 2013 г., двух – до 25 ноября 2014 г.
It has details of rocket with 11С824Ф and Fregat (see from page 38)?
I am not sure what your question is. If you wondering what "11С824Ф" is, its "разгонный блок Д-2 для РН "Протон-К"", ie an old version of Blok-D.
The blok D-2 was designed to carry the ADU of Fobos and Mars probes; the ADU was the predecessor of Fregat.
So this is flagman stage?
http://www.russianspaceweb.com/fregat.html
Why three after 2013?
And the carrier rocket has stage timings of 120 and 480 seconds; so that isn’t Proton.
I don't think so. If you look at this Energia document, you can see that 11С824Ф is a Blok-D variant used in 1988. I suspect that it is a version with no avionics (to save mass), used for Phobos launches, using the flight computer on Phobos for control.
-
#762
by
Stan Black
on 07 May, 2012 14:53
-
So can someone help me understand this?
http://zakupki.gov.ru/pgz/public/action/orders/info/common_info/show?notificationId=3105458
See tab Документы заказа
АД Фрегат согласованная ДПСПР № 0173100004512000816 от 09.04.2012
Срок поставки товара: одного разгонного блока «Фрегат» - до 25 ноября 2013 г., двух – до 25 ноября 2014 г.
It has details of rocket with 11С824Ф and Fregat (see from page 38)?
I am not sure what your question is. If you wondering what "11С824Ф" is, its "разгонный блок Д-2 для РН "Протон-К"", ie an old version of Blok-D.
The blok D-2 was designed to carry the ADU of Fobos and Mars probes; the ADU was the predecessor of Fregat.
So this is flagman stage?
http://www.russianspaceweb.com/fregat.html
Why three after 2013?
And the carrier rocket has stage timings of 120 and 480 seconds; so that isn’t Proton.
I don't think so. If you look at this Energia document, you can see that 11С824Ф is a Blok-D variant used in 1988. I suspect that it is a version with no avionics (to save mass), used for Phobos launches, using the flight computer on Phobos for control.
Flagman originally was a combination of Blok-D and Fregat.
Sorry gave bad link
http://www.russianspaceweb.com/n1_d.html
-
#763
by
Galactic Penguin SST
on 18 May, 2012 08:22
-
From the Nimiq 6 launch broadcast by ILS:
Talk about renovating one of the pads.
That explains why pad 200/39 is out of action for the next few months: the fueling stations, workstations and ventilation systems are being upgraded.
Strangely, in the video it was stated that three pads are currently active, with two available for commercial launches. Does it mean pad 81/23 is active? (don't think pad 200/40 was used since the late 1980's)
-
#764
by
darkenfast
on 19 May, 2012 10:29
-
I find the differences between U.S. and Russian manned spacecraft launch complex operations fascinating. I have a some questions about Soyuz launches that I hope will be of general interest.
1. We usually see the crew get into the lift on the service structure (sometimes on one side, sometimes the other), but nothing after that. Are there any photos available showing what happens up on the level where they enter the spacecraft?
2. Given the tight space, are there launch complex personnel inside the orbital compartment to help the crew down into the descent capsule? Do the crew strap themselves in, or close the hatch to the orbital module?
3. Where is Launch Control now located? At what point does control pass to the Main Control Center at Star City?
4. Where are the back-up crew at launch? Do they have any part to play in launch day preparations?
5. How close are unprotected personnel to the launch complex at liftoff?
Thanks in advance!
-
#765
by
Nicolas PILLET
on 20 May, 2012 19:21
-
1. We usually see the crew get into the lift on the service structure (sometimes on one side, sometimes the other), but nothing after that. Are there any photos available showing what happens up on the level where they enter the spacecraft?
2. Given the tight space, are there launch complex personnel inside the orbital compartment to help the crew down into the descent capsule? Do the crew strap themselves in, or close the hatch to the orbital module?
An official Roscosmos video recently released shows the boarding of a Soyus spaceship.
3. Where is Launch Control now located?
Still in the launch bunker, near the launch pad.
4. Where are the back-up crew at launch? Do they have any part to play in launch day preparations?
They watch the launch with the public...
-
#766
by
darkenfast
on 21 May, 2012 02:18
-
Thank you very much, Nicolas! A lot of that was new video that I hadn't seen before.
-
#767
by
Danderman
on 22 May, 2012 21:47
-
1. We usually see the crew get into the lift on the service structure (sometimes on one side, sometimes the other), but nothing after that. Are there any photos available showing what happens up on the level where they enter the spacecraft?
2. Given the tight space, are there launch complex personnel inside the orbital compartment to help the crew down into the descent capsule? Do the crew strap themselves in, or close the hatch to the orbital module?
An official Roscosmos video recently released shows the boarding of a Soyus spaceship.
Its a little hard to tell if the actual boarding is in the video, or some sort of training exercise. Clearly, though the elevator scenes show the crew about to board the Soyuz, and that is new footage. In fact, most of the gantry scenes are new to me.
-
#768
by
Danderman
on 24 May, 2012 05:39
-
Hey, I get to ask a question here:
Many Russian launch vehicles use the Bizer system as a flight control system, but Buran used Bizer as well, much as the Shuttle used a 5 computer system. My question is why and how could Buran use a launch vehicle avionics system for orbital flight? Yeah, I know that it was a Bizer-4 as thus somewhat different than the Bizer-3 or Bizer-6 used to day, but probably not much different, was it?
Are there other Russian or Soviet launch control systems that are also used in satellites?
-
#769
by
anik
on 24 May, 2012 06:52
-
My question is why and how could Buran use a launch vehicle avionics system for orbital flight?
When Energia-Buran program has begun, Biser should be on Energia rocket and Buran spacecraft, but NIIAP (Moscow) was overloaded and decision was made to give control system of Energia to NPO EP (Kharkov).
As for an using of control system of rocket in spacecraft, there are no problems at all. The question is only available weight for it and software. Biser-4 was system with four computers, other Biser systems - with three computers.
Are there other Russian or Soviet launch control systems that are also used in satellites?
Yes, for example, control systems of Energia and Rokot rockets and Oko-2 satellite are practically identical and were made by NPO EP (Kharkov); control systems of Briz-M upper stage and Elektro-L and Spektr-R satellites are practically identical and were made by MOKB Mars (Moscow).
-
#770
by
Galactic Penguin SST
on 17 Jun, 2012 11:31
-
I was checking documentation for the propulsion systems of manned spacecrafts, and I found inconsistencies with the performance of the main engine of the current Soyuz versions (TM/TMA).
In here the KTDU-80 engine was described to have three thrust modes: 300N, 700N and 6000N. However in the Soyuz Crew Operations Manual on L2, the main engine's thrust was given as 300+-30 kgf, which corresponds to about 3000N. Which one is right?
-
#771
by
apace
on 17 Jun, 2012 11:45
-
I was checking documentation for the propulsion systems of manned spacecrafts, and I found inconsistencies with the performance of the main engine of the current Soyuz versions (TM/TMA). In here the KTDU-80 engine was described to have three thrust modes: 300N, 700N and 6000N. However in the Soyuz Crew Operations Manual on L2, the main engine's thrust was given as 300+-30 kgf, which corresponds to about 3000N. Which one is right?
http://suzymchale.com/ruspace/soymod.html write 400kgf, which is about 880lbs...?!
-
#772
by
truth is life
on 22 Jun, 2012 16:00
-
I am trying to nail down a firm timeline on the development and production of the NK-33/NK-43. Given that a large number of engines survived the cancellation of the N-1, production must have started some time prior to 1976, perhaps in 1972 or earlier, correct? When did development on the engines start? What are good sources to consult about the engine's history, if any such English-language sources (unfortunately, I am totally incapable of reading Russian) exist?
-
#773
by
Danderman
on 22 Jun, 2012 17:09
-
I can tell you that Glusko took over Energia in 1974, so production of NK-33 engines should have stopped quite soon after that.
-
#774
by
truth is life
on 22 Jun, 2012 18:23
-
I can tell you that Glusko took over Energia in 1974, so production of NK-33 engines should have stopped quite soon after that.
Would make sense, I might have misremembered the schedule (thus why I am trying to pin down a timeline). I would think cancellation would have more to do with the N-1 itself, though, which, IIRC, survived for a while after Glushko's takeover--or maybe I'm misremembering and it survived for a while after 7L blew up, which would fit with the 1974 timeline.
Ah well, I'll have Siddiqi tonight and maybe he has something about it.
-
#775
by
Danderman
on 22 Jun, 2012 20:11
-
I can tell you that Glusko took over Energia in 1974, so production of NK-33 engines should have stopped quite soon after that.
Would make sense, I might have misremembered the schedule (thus why I am trying to pin down a timeline). I would think cancellation would have more to do with the N-1 itself, though, which, IIRC, survived for a while after Glushko's takeover--or maybe I'm misremembering and it survived for a while after 7L blew up, which would fit with the 1974 timeline.
Ah well, I'll have Siddiqi tonight and maybe he has something about it.
I believe that 7L blew up in 1972, and there was about 2 years of debate and design review and some construction until Glushko came along and put it out of its misery.
-
#776
by
truth is life
on 23 Jun, 2012 19:39
-
I believe that 7L blew up in 1972, and there was about 2 years of debate and design review and some construction until Glushko came along and put it out of its misery.
Well, yes and no. I looked up the NK-33 in Siddiqi, and he doesn't have much, unfortunately. However, he does say that Kuznetsov continued the test/certification program for the engines into early 1977 (!) in a move somehow related to the emerging Energia program. Futilely, of course, since he was competing with Glushko, but there's the possibility that he was building engines into 1976...
-
#777
by
Nicolas PILLET
on 27 Jun, 2012 13:16
-
Surprisingly, according to Chertok and Poroshkov, the Mars/Venus probes of 1962 are numbered this way :
- 2MV-1 n°3
- 2MV-1 n°4
- 2MV-2 n°1
- 2MV-3 n°3
- 2MV-3 n°4
- 2MV-4 n°1
Someone knows why the 2MV-1 and 2MV-3 are not numbered 1 and 2 ?
-
#778
by
Galactic Penguin SST
on 04 Jul, 2012 09:54
-
A question about the Soyuz-2 LV: we know that it can accept roll programs (earlier versions of the R-7 family can't), so the launch pad needs to turn to the proper azimuth before launch (the one in French Guiana, of course, don't). So does the launch pads in Baikonur/Plesetsk still turns before a launch of a Soyuz-2 LV, given that it is not necessary to do so?
-
#779
by
anik
on 04 Jul, 2012 10:02
-
So does the launch pads in Baikonur/Plesetsk still turns before a launch of a Soyuz-2 LV, given that it is not necessary to do so?
Launch pads 31/6 and 43/4, which are modernized for Soyuz-2 rockets, do not turn before Soyuz-2 launches.
