Author Topic: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)  (Read 200181 times)

Online Galactic Penguin SST

According to http://www.chinanews.com/gn/2017/03-01/8162455.shtml Chang'e-5 will arrive at Wenchang in August for launch "around late November". The joint module tests will be done after arrival at the launch site.  ::)

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Offline Phil Stooke

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #81 on: 03/02/2017 12:09 am »
Another update on CE-5, this time the landing site, from an abstract at the European Geosciences meeting in Vienna in April:

http://meetingorganizer.copernicus.org/EGU2017/EGU2017-2026.pdf

I have posted a summary with maps here:

http://www.unmannedspaceflight.com/index.php?showtopic=7760&pid=234843&st=90&#entry234843


Offline Dalhousie

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #82 on: 03/02/2017 01:49 am »
According to http://www.chinanews.com/gn/2017/03-01/8162455.shtml Chang'e-5 will arrive at Wenchang in August for launch "around late November". The joint module tests will be done after arrival at the launch site.  ::)

Why the eye roll?
Apologies in advance for any lack of civility - it's unintended

Offline Star One

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #83 on: 03/02/2017 05:59 am »
According to http://www.chinanews.com/gn/2017/03-01/8162455.shtml Chang'e-5 will arrive at Wenchang in August for launch "around late November". The joint module tests will be done after arrival at the launch site.  ::)

Why the eye roll?

Yes I meant to ask that as well?

Online Galactic Penguin SST

According to http://www.chinanews.com/gn/2017/03-01/8162455.shtml Chang'e-5 will arrive at Wenchang in August for launch "around late November". The joint module tests will be done after arrival at the launch site.  ::)

Why the eye roll?

Yes I meant to ask that as well?

Just to indicate that I thought the decision to do those tests until after arrival at launch site was interesting. ;)

The same article also indicated that the lunar samples would be back at Earth before 2017 ends if all goes well. ;)
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 Phillip Clark

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #85 on: 03/02/2017 10:55 am »
On a general note, I think that the Chinese have been extremely fortunate not to have suffered a serious failure
 in their lunar and piloted space programmes.

I think that this is perhaps the most complicated unmanned mission (and probably piloted mission!) that the Chinese have attempted and I wonder when their first major failure will be coming.
I've always been crazy but it's kept me from going insane - WJ.

Offline Star One

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #86 on: 03/02/2017 11:44 am »
On a general note, I think that the Chinese have been extremely fortunate not to have suffered a serious failure
 in their lunar and piloted space programmes.

I think that this is perhaps the most complicated unmanned mission (and probably piloted mission!) that the Chinese have attempted and I wonder when their first major failure will be coming.

What makes you say that they are fortunate not to have suffered a major failure?

Offline Phillip Clark

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #87 on: 03/02/2017 11:59 am »
Don't want to fly off-topic here!  But since i grew up during the 1960s i was aware of the failures that the Soviet union and US had in their lunar programmes, also problems encountered during piloted flights.   For the Chinese things to have gone extremely smoothly, although I am sure that they have had minor hiccups that have not been widely reported.
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Offline baldusi

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #88 on: 03/02/2017 02:00 pm »
Don't want to fly off-topic here!  But since i grew up during the 1960s i was aware of the failures that the Soviet union and US had in their lunar programmes, also problems encountered during piloted flights.   For the Chinese things to have gone extremely smoothly, although I am sure that they have had minor hiccups that have not been widely reported.
They had the Yutu mobility problem, for example. But I would ascribe their track record to solid engineering practices and conservative schedule and objectives. They have taken a long time to match feats done in years (or even months) many years ago by the super powers.
This particular mission, won't make anything not already done. And they have had a lot of time to specify, simulate, certify, manufacture, etc.

Offline Dalhousie

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #89 on: 03/03/2017 01:42 am »
According to http://www.chinanews.com/gn/2017/03-01/8162455.shtml Chang'e-5 will arrive at Wenchang in August for launch "around late November". The joint module tests will be done after arrival at the launch site.  ::)

Why the eye roll?

Yes I meant to ask that as well?

Just to indicate that I thought the decision to do those tests until after arrival at launch site was interesting. ;)

The same article also indicated that the lunar samples would be back at Earth before 2017 ends if all goes well. ;)

OK.  Just remember that eye rolls are normally taken to indicate "how dumb is this?" rather than "this is interesting/surprising/unusal"!
Apologies in advance for any lack of civility - it's unintended

Offline Dalhousie

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #90 on: 03/03/2017 01:43 am »
On a general note, I think that the Chinese have been extremely fortunate not to have suffered a serious failure
 in their lunar and piloted space programmes.

I think that this is perhaps the most complicated unmanned mission (and probably piloted mission!) that the Chinese have attempted and I wonder when their first major failure will be coming.

Solid success is that an accident but the result of solid, careful work.
Apologies in advance for any lack of civility - it's unintended

Offline Phillip Clark

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #91 on: 03/03/2017 04:41 am »
On a general note, I think that the Chinese have been extremely fortunate not to have suffered a serious failure
 in their lunar and piloted space programmes.
I think that this is perhaps the most complicated unmanned mission (and probably piloted mission!) that the Chinese have attempted and I wonder when their first major failure will be coming.
Solid success is that an accident but the result of solid, careful work.

Agreed.   The Chinese are extremely thorough.  But everyone eventually has a high profile failure, and naturally I am hoping that it won't be this mission!   Let's look forward to the flight. :)
I've always been crazy but it's kept me from going insane - WJ.

Offline Steven Pietrobon

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #92 on: 03/03/2017 05:21 am »
This particular mission, won't make anything not already done. And they have had a lot of time to specify, simulate, certify, manufacture, etc.

This will be the first time that a robotic rendezvous and docking will be performed around another heavenly body besides the Earth.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Phillip Clark

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #93 on: 03/03/2017 06:42 am »
This particular mission, won't make anything not already done. And they have had a lot of time to specify, simulate, certify, manufacture, etc.
This will be the first time that a robotic rendezvous and docking will be performed around another heavenly body besides the Earth.

Which they will need for a future Mars sample return mission, of course.
I've always been crazy but it's kept me from going insane - WJ.

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Offline Dalhousie

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #95 on: 03/03/2017 08:24 pm »
This particular mission, won't make anything not already done. And they have had a lot of time to specify, simulate, certify, manufacture, etc.
This will be the first time that a robotic rendezvous and docking will be performed around another heavenly body besides the Earth.

Which they will need for a future Mars sample return mission, of course.

Both rover and sample return missions appear to be designed with proving technology for Mars in mind.
Apologies in advance for any lack of civility - it's unintended

Offline Kryten

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #96 on: 03/03/2017 09:12 pm »

Chinese video showing the lander, ascent stage and return capsule under assembly.

Offline Steven Pietrobon

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #97 on: 03/04/2017 03:10 am »
Some screen grabs.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Phil Stooke

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #98 on: 03/06/2017 03:43 am »
http://www.unmannedspaceflight.com/index.php?showtopic=7760&pid=234883&st=90&#entry234883

Link to a post (#100 on that page) in another forum where I have illustrated the location of one of the Chang'e 5 T1 images - to show that it really did image the CE5 landing area as announced.  I have only ever seen 2 of these images of the landing area, and the other is a small area, about 1 km across, which I have not found yet.

Offline savuporo

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #99 on: 03/06/2017 04:39 am »
This particular mission, won't make anything not already done. And they have had a lot of time to specify, simulate, certify, manufacture, etc.

This will be the first time that a robotic rendezvous and docking will be performed around another heavenly body besides the Earth.

Chang'e-2 and 3 both also did things that were not already done before, people tend to dismiss that. I'm sure there will be more novel details on C5 as well.
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