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Chinese Space Program (CNSA) & Ch. commercial launch and discussion


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Monday afternoon, several videos had been removed from Chinese social media platforms.

 

Eyewitness accounts shared on social media described hearing a loud explosion upon impact, with one witness telling CNN they saw the rocket fall with their own eyes. They described experiencing a pungent odour and hearing the sound of the explosion afterwards

~MSN article with absurdly long link ~

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4 hours ago, JoeSchmuckatelli said:

Monday afternoon, several videos had been removed from Chinese social media platforms.

 

Eyewitness accounts shared on social media described hearing a loud explosion upon impact, with one witness telling CNN they saw the rocket fall with their own eyes. They described experiencing a pungent odour and hearing the sound of the explosion afterwards

~MSN article with absurdly long link ~

What nonsense are you speaking, man?  That is misinformation.  Never happened.  Move along

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China attempted to beat the static fire altitude record today:

Tianlong 3 attempted a static fire but evidently someone didn't do their job properly.

US still holds the record though, a 1952 Viking test at White Sands Missile Range accidentally took off during a static fire and ended up about 4 miles downrange after about 2 minutes of flight, so it was almost certainly higher than this.

 

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3 hours ago, Ultimate Steve said:

Tianlong 3 attempted a static fire but evidently someone didn't do their job properly.

US still holds the record though, a 1952 Viking test at White Sands Missile Range accidentally took off during a static fire and ended up about 4 miles downrange after about 2 minutes of flight, so it was almost certainly higher than this.

Seems somebody forgot to check where are their launch clamps in the staging order. Happens to all of us from time to time.

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On 6/30/2024 at 9:22 AM, biohazard15 said:

Seems somebody forgot to check where are their launch clamps in the staging order. Happens to all of us from time to time.

Scott Manley in recent vid presented some convincing observations that the clamps were neither released nor failed, but rather the rocket parts they attach to failed

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12 minutes ago, darthgently said:

Scott Manley in recent vid presented some convincing observations that the clamps were neither released nor failed, but rather the rocket parts they attach to failed

you had one job

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Posted (edited)
23 hours ago, darthgently said:

Scott Manley in recent vid presented some convincing observations that the clamps were neither released nor failed, but rather the rocket parts they attach to failed

Ellie in space said they used the test stand for their smaller rocket who makes no sense as the hole would be far to small. You need an hole large enough for the engine but not larger than diameter of rocket so you can clamp it down. 
Now it could be an rebuild of the test stand if they know they would not launch the smaller rocket anymore who is weird as it works while the larger is in under development. 

I agree that its most likely something on the rocket who broke. Its the place you want to save weight after all, weight of test stand just cost steel. Also that it ripping loose damaged the engine bay.
Guess is that they calculated it for a fully fueled rocket with second stage and payload, this was probably not fully fueled either. 

Now an static fire who ended up as an unplanned flight is scary, how would the control systems react to this? No trajectory would be planned so I guess default is just keeping rocket staple pointing up? 
I assume radio to the rocket as you could easy end up doing damage to test stand and loosing data links. 
Guess none thought of this problem. 

It also answer an question I had about Starship and probably some other rockets with many hold down clamps, what is one does not release? Then it breaks without changing rocket trajectory. 
Its probably more dangerous with few clamps, if you have 3 and one fails it could hold down the rocket for some time before failing. 

Edited by magnemoe
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  • 2 months later...

 Is China planning to weaponize the Moon?

30-BC8-DB4-8-E19-41-D8-BA77-6-A7-B96680-
https://youtu.be/eElDqTNe4oE?si=hv8Y3tgo9gBDfbF_

 China wants to build a 1 megawatt nuclear reactor on the Moon, 10 times the size the U.S. is planning on. Why? Evidence suggests it’s for their electromagnetic launcher they want to use for sending resources from the Moon to Earth. 

 This is analogous to the SpinLaunch™ being constructed on Earth for reducing the cost to LEO. But on the Moon with no atmosphere and much reduced gravity it can send the payload all the way to lunar orbit and even all the way to Earth. Being just electrically powered the launches will be at just the cost of generating the electricity.

 But it needs to be kept in mind it could send anything, anywhere on the surface of Earth. When you realize the Chinese space program is just an off-shoot of their military the possibility arises it could be used as a weapon.

 “Mr. President, we must not ALLOW a spin launch gap!”
 (With apologies to “Dr. Strangelove”.)


    Bob Clark

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AUGUST 26, 2024
China proposes magnetic launch system for sending resources back to Earth
by Matt Williams, Universe Today
https://phys.org/news/2024-08-china-magnetic-resources-earth.html

 The problem is even if publicly it is described as merely a transport method from the Moon to the Earth, any other country has to regard it as potentially an indefensible weapon because due to the long distance from the Moon to the Earth even a deviation in pointing of a fraction of a degree could result in its landing point instead of being over the ocean winds up being over a city.

 By the way, I like the mention in this article of the Robert Heinlein novel, The Moon Is A Harsh Mistress, which first described the idea of projectiles being shot from the Moon to the Earth as a weapon.

   Bob Clark

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  • 3 weeks later...
On 9/22/2024 at 5:24 PM, AckSed said:

Very Iron Man. "OK, cut the power."

Ran out of power some times like that in KSP. Once on Tylo the rocket was totally destroyed but the probe rover on top was unharmed. Kept the decopler on its bottom as an trophy. 

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