Author Topic: FAILURE: CBERS-3 Long March-4B launch, Taiyuan - December 9, 2013 (0326UTC)  (Read 93044 times)

Online Satori

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Re: CBERS-3 CZ-4B launch, Taiyuan - November 2012
« Reply #20 on: 11/06/2012 05:40 pm »
From China.org (in Spanish): ESPECIAL: CBERS, la joya de la corona de la cooperación tecnológica Brasil-China.

So. according to this article, CBERS-3 is going to be launch 'in the next weeks'.

That begs the question of whether it or HJ-1C is launching first; unfortunately getting any launch updates from TSLC is notoriously difficult....

I agree. But 'in the next weeks' is something very vague...

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Re: CBERS-3 CZ-4B launch, Taiyuan - November 2012
« Reply #21 on: 11/06/2012 06:01 pm »
I think that the article in spanish is a translation of the article published by Xinhua a few days ago.

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Re: CBERS-3 CZ-4B launch, Taiyuan - November 2012
« Reply #22 on: 11/07/2012 08:51 pm »
'Espaço Brasileiro' ('Brazilian Space') on-line magazine available at http://www.aeb.gov.br/wp-content/uploads/2012/09/RevistaAEB_n13.pdf (in Portuguese) has an article about the CBERS-3 satellite.

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Re: CBERS-3 CZ-4B launch, Taiyuan - November 2012
« Reply #23 on: 11/07/2012 08:56 pm »
So, with the possible schedule launch of HJ-1C on November 12, the launch of CBERS-3 can only take place in December.

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Re: CBERS-3 CZ-4B launch, Taiyuan - December 2012 (?)
« Reply #24 on: 11/13/2012 09:06 am »
According to Opto envia à China câmera do satélite CBERS-4 (in Portuguese), the launch of CBERS-3 will take place in January 2013.

The news is about the transport of the MUX camera to China to be used on the CBERS-4 satellite.

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Re: CBERS-3 CZ-4B launch, Taiyuan - NET January 2013
« Reply #25 on: 11/22/2012 08:16 am »
According to CBERS-3: Lançamento Pode Atrasar Até Dois Anos, Será? (in Portuguese), the launch of CBERS-3 can be delayed until two years because of the problems encountered with the DC/DC converters. In the other hand, looks like there are strong political demands to launch the satellite as soon as possible.

The article also talks about a February 2013 launch date.

Offline limen4

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Re: CBERS-3 CZ-4B launch, Taiyuan - NET January 2013
« Reply #26 on: 12/11/2012 06:36 am »
INPE hopes to launch CBERS-3 until end of first half of 2013 (http://www.sindct.org.br/index.php?q=node/2855)

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Re: CBERS-3 CZ-4B launch, Taiyuan - NET January 2013
« Reply #27 on: 12/15/2012 02:09 pm »
According to http://database.eohandbook.com/database/missionsummary.aspx?missionID=392, this mission will take place in February 2013.

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Re: CBERS-3 CZ-4B launch, Taiyuan - February 2013
« Reply #28 on: 12/28/2012 11:35 am »
On December 6, the INPE (Instituto Nacional de Pesquisas Espaciais) contracted two companies to work on the problems on the CBERS satellites.

The Mectron company is going to re-project and substitute the IN-RUSH Circuit and change the DC/DC converters on the MV1, MV2 and MV3 transponders of the TTCS subsystem on the CBERS-3 and CBERS-4 satellites.

The Equatorial Sistemas will rework the IN-RUSH Circuit of the FM1, FM2, FM3 models and will change the DC/DC converters of the models FM1 and FM2 of the SPE from the WFI subsystem of the CBERS-3 and CBERS-4 satellites.

Information about the contracts can be seen at http://brazilianspace.blogspot.pt/2012/12/aeb-assina-quatro-novos-contratos-de.html

So probably we will see a larger delay on the launch of CBERS-3, but there are no official informations about this.
« Last Edit: 12/28/2012 11:36 am by Satori »

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Re: CBERS-3 CZ-4B launch, Taiyuan - February 2013
« Reply #29 on: 01/16/2013 12:55 pm »
The Brazilian Space Agency says that one of its main priorities for 2013 is the launch of CBERS-3. Nut, some specialists say that the tests and integration of the new DC/DC converters is a process that should take one and a half to two years, and that the launch should be delayed (as well as the launch of CBERS-4 schedule for 2014).

So, many think that here is a strong political pressure to launch CBERS-3! We should ask if China is willing to launch a satellite with a strong probability of failure in orbit?

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Re: CBERS-3 CZ-4B launch, Taiyuan - TBD 2013
« Reply #30 on: 01/18/2013 05:15 pm »
We now have the confirmation of the delay of the launch of CBERS-3 that will probably take place in May or June 2013 ( Falhas Técnicas Obrigam Brasil a Adiar Lançamento de Satélite com a China in Portuguese).

Interestingly, there are strong political pressures in Brazil to launch the satellite next month. I see this as a prescription for disaster and even the May or June dates are very ambitious.

Apparently, and contrary to what was said early, the CBERS-3 will still be using the DC/DC converters manufactured by the American Modular Devices Incorporated (MDI). Some converters didn't pass the tests that were made in China. Some 20 devices were sent to the US to be tested there and 12 of those converters failed the tests. MDI concluded that not all the devices had problems, so the problematic ones were replaced.

The decision to delay the launch to February was took on November 20. Now the launch is schedule to May/June period.

Lets remember that recently two Brazilian companies were contracted also to supply the DC/DC converters, but it looks like if those converters were to be used on CBERS-3 then the launch would have to be delayed almost two years because that's the time needed to rearrange and test the satellite electrical system to operate with the new converters.
« Last Edit: 01/18/2013 05:38 pm by Satori »

Offline Galactic Penguin SST

Re: CBERS-3 CZ-4B launch, Taiyuan - May or June 2013
« Reply #31 on: 03/02/2013 01:18 pm »
CBERS-3 camera after a thermal vacuum test. It looks like indeed that the satellite is on schedule for launch in May-June.

Source: http://210.82.31.84:9000/rp/fs/cp/98/36/20130301/2/content_4.htm
Astronomy & spaceflight geek penguin. In a relationship w/ Space Shuttle Discovery. Current Priority: Chasing the Chinese Spaceflight Wonder Egg & A Certain Chinese Mars Rover

Offline Galactic Penguin SST

Re: CBERS-3 CZ-4B launch, Taiyuan - May or June 2013
« Reply #32 on: 03/03/2013 09:42 am »
CBERS-3 camera after a thermal vacuum test. It looks like indeed that the satellite is on schedule for launch in May-June.

Source: http://210.82.31.84:9000/rp/fs/cp/98/36/20130301/2/content_4.htm

OK I think my message above doesn't make sense - maybe it's for CBERS-4?
Astronomy & spaceflight geek penguin. In a relationship w/ Space Shuttle Discovery. Current Priority: Chasing the Chinese Spaceflight Wonder Egg & A Certain Chinese Mars Rover

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Re: CBERS-3 CZ-4B launch, Taiyuan - June 2013
« Reply #33 on: 03/19/2013 05:56 pm »
Bad news for CBERS-3 :( Looks like new tests made on the «new» DC/DC converters this month had very bad results.

At this time I doubt the satellite will be launched this year or if it is launched, the Brazilian part of the satellite has a great probability of failure.

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Re: CBERS-3 CZ-4B launch, Taiyuan - October 2013
« Reply #34 on: 05/10/2013 06:37 pm »
Launch of CBERS-3 is now schedule for October 2013.
« Last Edit: 05/10/2013 06:44 pm by Satori »

Offline Phillip Clark

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Re: CBERS-3 CZ-4B launch, Taiyuan - October 2013
« Reply #35 on: 05/11/2013 06:58 am »
As I remember, the Brazilian contribution to the second CBERS also cause a great deal of concern and delay.
I've always been crazy but it's kept me from going insane - WJ.

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Re: CBERS-3 CZ-4B launch, Taiyuan - October 2013
« Reply #36 on: 08/05/2013 07:54 am »
Confirmation that CBERS-3 will be launched on October 2013 and CBERS-4 on 2015.


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Re: CBERS-3 CZ-4B launch, Taiyuan - October 2013
« Reply #37 on: 09/02/2013 05:20 pm »
Latest informations say that the launch of CBERS-3 will be not later than November 2013.

Offline input~2

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Re: CBERS-3 CZ-4B launch, Taiyuan - October/November 2013
« Reply #38 on: 09/07/2013 04:31 pm »
http://spanish.people.com.cn/92121/8392972.html (in Spanish)
The satellite is said to be ready for its launch planned for year end

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Re: CBERS-3 CZ-4B launch, Taiyuan - December 2013
« Reply #39 on: 09/10/2013 04:26 pm »
According to the Brazilian Space Agency, the launch of CBERS-3 is scheduled for next December.

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