China's Space Program Thread II

[sangye]

You might want to police that tone. This is definitely not the thread or forum for it.

You are right. I just don't suffer fools.

 

[by78]

Taikonaut Ye Guangfu (叶光富) has spent 291 days in space, the longest of any Taikonaut.

 

[pipaster]

You are right. I just don't suffer fools.

The anomalies can be independent from eachother, without knowing the specifics to the failures it is too difficult to tell.

It may be that they fix one design flaw only to encounter another seperate flaw. It is interesting though that this is happening still after multiple flights.

Maybe they still haven't identified the root cause and have only attacked the symptoms of it?

 

[by78]

A full-scale model of Long March was used for launch rehearsals at Launchpad No. 2 at the Hainan Commercial Spaceport. The first flight of Long March 12 is expected in the second half of 2024 (no earlier than August). It's a two-stage medium-lift vehicle burning LOX/Kerosene. It has a length of 59m, body diameter of 3.8m, fairing diameter of 4.2m, and weighs around 433t. Takeoff thrust is around 510t. The 1st stage is powered by four YF-100Ks and 2nd stage by two YF-115s. Payload capacity of LEO capacity is 10t and capacity to 700km SSO is 6t.

Another image of the Long March 12 full-scale model.

 

[taxiya]

Leave your personal insult aside, I will give you answers.

I'm sorry I had to read through this psychotic rambling, but that is not what the word anomaly means. I take it English is not your first language and I understand your mistake, so let me school you on basic English: anomaly means anything that's not of common occurrence, something that's irregular. Most LM-6A launches presented this problem, therefore this problem isn't an anomaly.

I learnt the usage of the word from SpaceX when they began to call rocket turned into a firecracker an "anomaly". SpaceX's PR department are certainly full of native English speakers. So you may have to catch up your English skill.

BBC report in 2016.

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Moving on, you tried to say this is some tinfoil hat conspiracy by the US, but an independent space watching organization reported on this first, so I don't know what the fuck are you talking about here, I'll leave it at that.

It is a joke to call that organization independent. I have pointed this out in #4,482, it is led by a former member of US military. Tell me who other than a state agency possess such capability to monitor and track small objects? That capability means large ground and space based radars. Did the "NGO" guys saw the objects with their amatuer telescopes? Someone claims to be independent doesn't necessarily mean it is independent.

Third, what do you call 700 objects left orbiting at 810 km if not debris? Please explain to your psychiatrist this and then report back to us in a more coherent form of thought.

I have given another possible explaination in #4,485.

 

[zbb]

It is most likely due to passivation but not necessarily an issue as in breakup or explosion.

If there is tens of tonnes fuel (kerosene in CZ-6A) to be ejected out of the tank, it will form many liquid blobs and soon frozen to solid. They won't disappear easily and will keep flying in their own orbits. One can call these debris if it suits their agenda, but this would be common for all kerosene or hypergolic 2nd stages.

Would these frozen fuel blobs still be dangerous to satellites?

 

[lcloo]

Can fuel blobs be ignited and vapourise by laser in vaccuum space, without any oxidiser?

 

[escobar]

CZ-10 launch pad under construction

 

[taxiya]

First of all, I was proposing a possibility that those objects are fuel blobs.

Would these frozen fuel blobs still be dangerous to satellites?

Not really, they are frozen if they are ejected in the shadow of the earth, but otherwize liquid before they vaperize and chemically breakup. In space under direct sun light, temperature is as high as 150C depending on the reflectiveness of the object.

Also they don't have high velocity relative to their origin, so it is less to no issue for satellites the upper stage just launched. Since they acquired very small delta V from origional orbit, they won't last long enough to reach other orbit plane to endanger orther satelittes.

Can fuel blobs be ignited and vapourise by laser in vaccuum space, without any oxidiser?

No need to do that, they won't last long before they have a chance to reach another orbit.

To put things in perspective, NASA threw off a dead battery of 2.6 tonnes from ISS, there was no"NGO" screaming, nor was certain member here excited about it. Why now? If not for this apparent hypocrisy, I wouldn't even care to pick up the subject.

 

[gpt]

MFA has responded to the recent event.

China has taken necessary measures and is closely monitoring the relevant orbital areas and conducting data analysis and attaches great importance to space debris mitigation.