China's Space Program Thread II

Blitzo

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I sensed selective reporting with certain political agenda here.

Why just report on Q3?
How much of that 381,278 Kg are for experiemental launch of Starships that never get into orbit?
And your last sentence is very political.

SpaceX's launch successes and failures are all fairly well tracked, and in terms of the actual successful launches, if you don't count the two Starship launches (which by design are experimental and essentially designed to fail at this stage for the purposes of data collection), their 2023 launch year so far has a 100% success rate.

Ultimately an overall year on year comparison would be better, but even that shows a similar trend if you look at the reports for the last few quarters.

Overall the underlying point is true and obvious -- that SpaceX by a long shot compared to every other launch provider, is easily putting the most tonnage into orbit per year, and is about ten times greater than the next largest single competitor.

That has been obvious for the last few years now, so this shouldn't be a surprise.

There isn't so much a political agenda from him so much as general frustration and perhaps a lack of understanding as to how the launch difference occurs -- but ultimately the capability and numbers speak for themselves no matter what angle one wants to look at it from.

It's simple -- up until recently, China simply hasn't really taken space launch vehicles very seriously, and were content with wanting to match the payload to orbit and technology of past, pre-spacex launch providers. Neither the ambition nor the technological and industrial capability existed to go beyond that.




Q1 2023
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Q2 2023
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Q3 2023
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SAC

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And a record number of launches in a calendar year if I'm not mistaken.
 

tacoburger

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The answer is a bit more simple, it's because hypergolics and smaller rockets are still seen as cheaper and the industry/human resources (until possibly recently) were unable to develop anything on a reasonable timescale other than rather small rockets... and the Chinese government still seems to view space access as more of a glorified science experiment rather than a decisive domain of competition in the same way that semiconductors are or military aerospace are.
You claim this numerous times, but don't seem to have a concrete example. Space is very very important. Even the earliest days of rocketry, the ability to put things into space was treated as the most important national security issue. Of course the ability to sent up a ICBM and the early warning satellites to detect them was the most important part of a nation's nuclear deterrence. There was a reason why Sputnik was so important despite it being more of a "glorified science experiment" that didn't do anything.

How can you say something like "Chinese government still seems to view space access as more of a glorified science experiment" with a straight face? Maybe in the 1960s. Today, it's even more important then ever, with GPS/Beidou, recon satellites, space warfare, data links, communication satellites. Sure SpaceX upped the game and proved that you can start sending up massive mega-constellations but space was already important before that.

If true, then the PRC is perhaps one of the most incompetent government I have ever seen. And if Spacex and the importance of space on the Ukraine/Russian war didn't wake China up?

And even if it was true, it doesn't matter anyway. We have seen that it doesn't take much money to change. SpaceX wasn't throwing tens of billions around and private Chinese rocket companies are constructing factories capable of producing dozens of rockets and hundreds of modern rocket engines a year with access to funding in the hundreds of millions of yuan range. China could have treated space as a "glorified science experiment" and still have modernised and phased out hypergolic on a shoestring budget.
That said, I don't think anyone is suggesting that number of launches are somehow the most important metric of space launches or space industry prowess, so I don't see how that is relevant.
People and even the agencies themselves pride themselves on the number of launches. They even set goals for that, "We aim for 60 launches a year" instead of setting themselves a target for mass or number of satellites to orbit.
There isn't so much a political agenda from him so much as general frustration and perhaps a lack of understanding as to how the launch difference occurs -- but ultimately the capability and numbers speak for themselves no matter what angle one wants to look at it from.
Having the interest to revise its past goals and intent for the short to medium term is the first question, and if we cannot even determine that, then it's a moot question to ask why they are preferring to stick with hypergolics and/or continuing to pursue small launch vehicles.
I'm not asking for China to be the forefront of technology. I'm not asking for China to completely change the industry like Spacex did. All I'm asking is for China to modernize her rockets. Like I said, no other space agency, not even ISRO, uses hypergolics the same way China does.

Sure they didn't expect SpaceX to change the game so suddenly. But the least you can do, in any industry, is stick to the most advanced technology possible. At the very least, when some new technology does come to shake the status quo, you can quickly react and develop.

Even if SpaceX didn't exist and reusable rockets were physically impossible, it still would be better to move towards a fleet of pure cryogenic rockets. Just the PR boost and not having to deal with toxic rockets crashing onto the countryside would be worth it.
 
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tphuang

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this is btw a huge problem for Chinese industries as CASC is not providing enough lift capacity just as all the domestic tech companies need it for their new product

I just posted Geely with GeeSpace is launching 11 of its own satellites next year to be used on its EVs and satellites
阿族卫星通讯版新机测试中,吉利有自研技术加持,直接跟上主流大部队

Huawei wants to put 5G base station on Satellites

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sunnymaxi

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this is btw a huge problem for Chinese industries as CASC is not providing enough lift capacity just as all the domestic tech companies need it for their new product

I just posted Geely with GeeSpace is launching 11 of its own satellites next year to be used on its EVs and satellites
阿族卫星通讯版新机测试中,吉利有自研技术加持,直接跟上主流大部队

Huawei wants to put 5G base station on Satellites

Please, Log in or Register to view URLs content!
this year, 10+ private rockets have launched. and all were successful. only 1 failure.

Private companies taking the charge.
 

Michaelsinodef

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You claim this numerous times, but don't seem to have a concrete example. Space is very very important. Even the earliest days of rocketry, the ability to put things into space was treated as the most important national security issue. Of course the ability to sent up a ICBM and the early warning satellites to detect them was the most important part of a nation's nuclear deterrence. There was a reason why Sputnik was so important despite it being more of a "glorified science experiment" that didn't do anything.

How can you say something like "Chinese government still seems to view space access as more of a glorified science experiment" with a straight face? Maybe in the 1960s. Today, it's even more important then ever, with GPS/Beidou, recon satellites, space warfare, data links, communication satellites. Sure SpaceX upped the game and proved that you can start sending up massive mega-constellations but space was already important before that.
Before Spacex, for China and the Chinese government, space was basically some military satelites, GPS/Beidou and then just 'space experiments' that one could say 'glorified science experiment'.

But as it stands, the above is served fine enough by the various CZ rockets, even if they might be older and use hypergolics.
Not to mention, they likely are in fact, quite cheap for PRC to use and launch stuff with.

As such, there really isn't much problem with the overall planning around space that China has done.

Except, we now have Spacex and Spacex basically taking up operating space, which is why China has been making changes to their plans (would be bad if all the leo operating space was taking up by Spacex).
If true, then the PRC is perhaps one of the most incompetent government I have ever seen. And if Spacex and the importance of space on the Ukraine/Russian war didn't wake China up?
Lol, you're the joke and stupid one if you think the PRC is that incomponent. What's more, what does that make all the other governments in the world then? Including the US government lol.

Also, you way overemphasize how much Spacex plays in the Ukraine/Russia war lol.

Not to mention, China is working on stuff like TengYun, which would totally blow Spacex and most rockets out of the water, when it gets up and working (well, likely in the 2030s at earliest, but not surprising if first in the 2040s).
And even if it was true, it doesn't matter anyway. We have seen that it doesn't take much money to change. SpaceX wasn't throwing tens of billions around and private Chinese rocket companies are constructing factories capable of producing dozens of rockets and hundreds of modern rocket engines a year with access to funding in the hundreds of millions of yuan range. China could have treated space as a "glorified science experiment" and still have modernised and phased out hypergolic on a shoestring budget.

People and even the agencies themselves pride themselves on the number of launches. They even set goals for that, "We aim for 60 launches a year" instead of setting themselves a target for mass or number of satellites to orbit.
Again, most of what Spacex is launching is their starlink, which really doesn't have such a revolutionary or game changing role as the media makes it have.
I'm not asking for China to be the forefront of technology.
China is in the forefront of many technologies.
Sure, reusable rockets is not one of them, but it is many, many others, including satellites, space experiments etc.

I'm not asking for China to completely change the industry like Spacex did. All I'm asking is for China to modernize her rockets. Like I said, no other space agency, not even ISRO, uses hypergolics the same way China does.
And they are working on that lol.
Sure you might find them to be too slow, but it is coming (this decade basically, also there's some Chinese 'private' companies that are working on reusable and newer rockets).
Sure they didn't expect SpaceX to change the game so suddenly. But the least you can do, in any industry, is stick to the most advanced technology possible. At the very least, when some new technology does come to shake the status quo, you can quickly react and develop.

Even if SpaceX didn't exist and reusable rockets were physically impossible, it still would be better to move towards a fleet of pure cryogenic rockets. Just the PR boost and not having to deal with toxic rockets crashing onto the countryside would be worth it.
 

gpt

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The real gamechangers going forward are Starship and CZ-9. All projections about space future capabilities made by the Pentagon and other group are likely not going to be accurate as they're probably not taking into account just how much these LVs are going to disrupt the market. A recent article cited a USSF official saying China is aiming for <$1500/kg with future designs.

One major problem with the Space Shuttle and Starship is they're rather low energy architectures (Shuttle orbiter + Starship upper stage are too heavy). To do earth escape and GTO missions they need to refuel in orbit in rapid succession, an unsolved problem as of right now.

They tried to do Shuttle-Centaur back in the day, putting a LH2 upper stage in the payload bay to fly GTO missions but ran into too many problems with, for one, handling cryofuels in space, so it's safe to say creating a 'bespoke kick stage' for Starship will also run into similar difficulties. Elon has said SpaceX is not working on kick stages for any of their LVs.

China probably recognized that a 3 stage design (CH4/LOX, CH4/LOX, LH2/LOX) with a large payload fairing is a more conservative approach and that there is actually an opportunity here to do some 弯道超车/leapfrogging here due to Starship's immense complexity.

Starship will still be a very capable mega constellation builder though so that is definitely something China needs to pay attention to.
 
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tacoburger

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this year, 10+ private rockets have launched. and all were successful. only 1 failure.

Private companies taking the charge.
This is the issue with only counting launches, we really shouldn't be doing that anymore. Most of those launches were tiny, only capable of putting a few hundred kilos in LEO. That will change in the coming years as more capable liquid fueled rockets come online, but saying "we did a dozen rocket launches" doesn't have the same bite as "those dozen rocket launches put less mass into orbit then a single Falcon 9 launch"

Before Spacex, for China and the Chinese government, space was basically some military satellite, GPS/Beidou and then just 'space experiments' that one could say 'glorified science experiment'.
Why are you acting like GPS/Beidou and military satellites aren't a big deal? The entire military depends on those two systems. All reusable rockets/Spacex is doing is lowering costs enough that instead of lifting a few hundred sats into LEO, you can afford to put tens of thousands of them in LEO.
But as it stands, the above is served fine enough by the various CZ rockets, even if they might be older and use hypergolics.
Not to mention, they likely are in fact, quite cheap for PRC to use and launch stuff with.
You can use this argument for literally anything. Rocks are free and infinite and can kill someone as easily a bullet, why bother with expensive guns. Why bother developing 5th gen fighter jets, biplanes are literally millions of times cheaper. Why use machines, use free muscle power. But go ahead and argue that China should stick with 40 year old technologies, because it's cheaper. Even if it's suboptimal, going with the more expensive and more advanced stuff is good because it allows you to further develop the technology. The very first example of firearms were alot worse then just a simple crossbow, but of course the nations that stuck with it and developed it got it's return in investment back eventually.

I'm going to say that China's obsession with hypergolic really hurt it's development of modern cryogenic rockets and engines in the past few decades, if it's 2024 and they still can't let go of them.

SpaceX and reusable rockets didn't pop out of the blue. Reusable rockets are only possible with advanced cryogenic engines that can deep throttle and restart multiple times. Spacex can develop this kind of engines because America has a vast well of institutional knowledge about cryogenic rockets dating back decades.

Meanwhile we have China, who is one the OG space countries, having made orbit back in 1970, somehow taking until 2015 to launch it's first cryogenic rocket. This lack of experience hurts. Institutional knowledge takes decades to built up. You can't train and build up this kind of shit overnight. Imagine if China never bothered developing a 5th gen fighter until some American 6th gen fighter causes a scene and they suddenly have to go from 4th gen fighters to 6th fighters within a couple of years. Impossible. You have to build that shit up over time. Knowledge from the J-20 is going to be extremely helpful in building China's 6th gen fighter, the same way China's experince with cryogenic engines is going to help it make resauble rockets. The difference is that China has literally less than a decade worth of experince with cryogenic rockets, compared to America's 50+ years.

Oh and it's not just engines. Chilling and compressing the propellant and preventing leaks is another important technology that can't be learned with hypergolic, not to mention the speed and time you can prepare the rocket. One way that SpaceX has been able to squeeze so much performance out of the Falcon 9 is via optimization of this process.

That's what's happening. China has less then a decade of knowledge of cryogenic engines and rockets and suddenly it's tasked with the most advanced kind of cryogenic engines that needs advanced features like deep throttling, restarting and full flow staged combustion. No shit why it's progress is slow, it's like suddenly tasked with developing a 6th gen fighter a year after the J-20 had her first flight. Not helping is that the obsolete hypergolic rockets are still going strong even today, sucking up a good amount of funding and staff.

Oh and because cryogenic fuels and rocket push the envelope so far, they help to push technology in other areas. Metallurgy is one, alloys that run hotter and are ligthweight will always find a use elsewhere. Cooling and compressing cryogenic fuel has it's uses in various other industries. You know what other engines burn kersone/hydrogen/methane and oxygen? All of them. Controlling hydrogen leaks and the use of hydrogen as a fuel will have it's uses in the push for green hydrogen.

What engine burns hydrazine other then a handful of old rockets? What spin off technology does billions of dollars of funding that goes into hydrazine rockets every year produces?

Oh and cyrogenic rockets are just better in performance. It's just physics. You simply can't get good performance out of hydrazine. And sometimes, you just need to lift >8 tons in one payload, something that China had to develop her first heavy lift cryrogenic rocket for... in 2016... And thank god for that, if it weren't for the need to lift heavy payloads into space, who knows how long China would have delayed her cryogenic rocket program for?
As such, there really isn't much problem with the overall planning around space that China has done.
China made orbit in 1970 and it's first purely cryogenic rocket launch was in 2015. I see a bit of a delay there. Compare that with other space agencies. There's a reason why even IRSO isn't using hypergolics nearly as much as China does.

Do you know how long it took for America and the soviet union in the 1960s to move to cryogenic rockets?
Lol, you're the joke and stupid one if you think the PRC is that incomponent. What's more, what does that make all the other governments in the world then? Including the US government lol.
Goverments can make their blind spots. This is one of China's. Their blind obession with their aging hypergolic rockets.
Also, you way overemphasize how much Spacex plays in the Ukraine/Russia war lol.
Again, most of what Spacex is launching is their starlink, which really doesn't have such a revolutionary or game changing role as the media makes it have.
Stop coping so hard. What Spacex is doing is extremely important. Starlink might not seem important because it's marketed as a "civilian internet provider" for people in rural or remote areas, but it can easily can be a data link for jets over the south china sea.

And they are working on that lol.
It took 50 years for from making orbit to it's first pure cryogenic rocket. And even today, the hypergolic fleet is still >50% of launches, and growing in number too. When will we see the last long march 2/3/4 fly? 2035?
 
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