Chinese submarines thread

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darth sidious

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Re: Chinese sub thread

like I side before 1 chinese sub can not get pass all the asw around the carrier. the seewolf can stop one or even two but they can not stop a mass attack from10-12.asw might be victorus simply beacuse they have more ship but subs grouped toughter can change that.

PS the AIP engine in the gotland is NOT new but more along the line of an undated WWII walter engine can not be compared with hydrogen fuel cell.soviets had similar project in the 50s and 60s
 

tphuang

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Re: Chinese sub thread

If what I know about Chinese ASW capability is true, then it's frightfully bad. My current understanding is that our entire ASW helicopter squad consists of a group of small Z-9Cs using outdated AS-12 dipping sonar plus a small number of Helix using VGS-3 dipping sonar. So in reality, there is no way China's ASW capability is even as good as the Russian's. They talk about using the sonars on 636M and Yuan as the main ASW tools. I'm still not sure what kind of sonar they are putting on these subs. To be fair, this is one area that they abandonned until very recently. Hopefully, the development of TAS is a sign for things to come.
 

tphuang

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Re: Chinese sub thread

not sure whether to put it into this thread or the one crazyinsane just created. Anyhow, this is the translation of an interview with a PLAN Colonel:

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Too long a post to translate. Here are some things mentioned. There are two articles from two sources.

The first article:
* 091 & 092 have been refitted, possible a new propulsion system, sound proof tiles, and JL-2.
* The sub collided with a foreign sub. Possibly Russian.

The second article(a long interview with a navy commander?, divided into three segments)
* China has finished the catpult develpment in a cave airport. The bottleneck is the carrier-capable fighter.
* China figured out how to hit US carriers with ballistic missles. Or at least there is enough potential to make US concerned, ala 1996 Taiwan Strait incident.
* China has the guided(?) Shkval topedo(or the Chinese equivalent with foreign assistance), the quoted speed is 1000m/s!!! The longest range for the target test is 130 knots!!!
* China has excellent C3I/C4I system across the strait.
* China subs have spied in foreign ports right under the enemy's nose.
* China has 24 hr duration stealth UAV.
* 039 is capble of launching anti-sub, anti-ship and anti-radiation missles.
* There is a new type of missles capable of actively blinding oppornents' radar and sensors.

more translation:

Addendum and more details:

First article:
Sound tiles, about 5 cm thick, looked foreign, from the packaging. Suspect Northern European. Attachment is not via glue, but mechanical. Front side smooth, back side uneven.

Subs' missile silo tops refitted and looks new. Top is rounded instead of flat and taller to accomodate JL-2.

Sub nose shows shiny new metal, repairs from collision with foreign sub. So that's what "Big nose" means? :D

---
The second article has lots of sailor's anecdotes with the nuggets of info mixed in, hence it's so long. Pardon if I left some things out, I read these parts last night and this is what struck out.

First he talks about the battle depicted in the movie "Sea Hawk" (proper translation? can't find it on imdb). The main idea was that the secret engine in the Chinese FACs allowed them to operate at flank speeds for a much longer duration than Russian FACs at the time. The opponent thought we were using Russian equipment so did not take the threat seriously. Thus surprise was achieved. Supposedly when China wanted the MIG-21 from Russia, they asked for this engine in return. The moral of the story is to keep some critical capabilities hidden.

The second anecdote talks about the '96 strait missile crisis. Media reports the US carriers moved back "200 nautical miles" after their initial position, possibly due to the dissapearance of one of China's SSNs. Interviewee states that it could be partially due to this, but the main reason was the DF-21 Mod 3 anti-carrier IRBM. He claims that China has sovled the 3 big problems with an anti-carrier IRBM: tracking target, mid-flight and terminal course correction, and terminal guidance. He claims that the US moved their carriers not 200 nauts, but 1000 nauts after the DF21s were brought out of their tunnels. That China knew this and tracked their course entirely (gave coordinates, but censored). The US learned of the capability because some researcher or officer's kid was tricked by TWese agent to cut a small piece of material from a model. The material eventually reached the CIA and from this, they concluded that China had anti-carrier IRBM capability.

The next anecdote is about training with Kilos. Apparently without their latest equipment, the surface vessels could not find the Kilos for days. When the exercise ended the kilo was finally found when the sub crew were banging their pots and pans. The ship captains were rather annoyed. During the next exercise they recruited help from local militia to organize fishermen to use their fishing nets, and they found the kilo by thus cheating.

But during later parts of the execrise, new technologies using (I'm not sure what is the proper translation for "线谱") and laser-radar were able to find the Kilos.

The next part talks a bit about incidents in the South China Sea, but not much in the way of current info.

Then it talks about 039 as yccnorth already summarized. The navy is more or less satisfied, but wants to keep developing it to be cutting edge, hence each ship is different. But the main objective was to be able to fire the 3 kinds of missiles: anti-ship, anti-sub, and anti-radiation.

Then it talks about carrier development. Supposedly the problems are all solved except aircraft, and the Navy is really wanting to acquire SU-32FN, not just a rumor. Supposedly the problems of catapult and deck material have been solved. A land-based testing site was built, with separate landing strip and catapult. The catapult is steam (PLAN insisted) and is inside a cave (I suppose the aircraft flies out the mouth on takeoff). Tested with J-7II. Testing is already complete and caves probably sealed-off. It wasn't detected by foreign intel, even with satelite, because it looked the same as other cave-based airstrips. Steam catapult development was based on carrier bought from Aussies as scrap metal. Plans for carrier is in the 60,000 ton displacement class, 24 fighters, 24 strike ac. Models have fighters that look like small F-22s.


And that's only the translation for half of the interview.

anyhow, I think that confirms quite a few thing. In the sub related front, it looks like they are really working on the new noise reduction technologies and the ASW techniques seem to be getting slightly better.
 

Gollevainen

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Re: Chinese sub thread

sounds amazing...almoust too amazing...But if the talks about catabult are tru, we should start to exept some serious work on Varyags bow, or completely forget it as possible operational unit...It didnt happen to mention anything about the catabults statistics and capapilityes, did it??
Also, that 'anti-carrier' IRBM...from mouth of a normal 14 year old member i would say BS...and annoying BS particularry...but now i just dont know...I have a bad habid to trust too much officals in these matters and now weapons against claimed PLAN officer...
Or someone just wrote the article of his wet dreams and but that part or officer as a source to make it look more cool
Could you confirm me wrong by telling some of your own thougts about its credipility, eq is it writen in that manner that it could be areal interview of educated officer (i have no idea how 'class' differences show in chinese language, but there must be some differnes of some sort:confused: )???

Also, You could have made a totally new thread or post that carrier part in dedicated carrier thread...Now we have to see, wich part will drawn more attention, and if The talks turn into catapults, i try to find a way to seperate them to new thread instead of closing this one, or stall the carrier conversation...
 

Mazepa

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Re: Chinese sub thread

IDonT said:
You have misunderstand the US intentions of leasing the Gotland subs. It is used to developed NEW tactics for prosecuting and advance AIP capable SSK. The US has always been proactive in that regards, the profeliferation of AIP capable SSK has not yet mature, yet the USN has endevoured to developed ways to prosecute it before Russia and China has even fielded a single AIP capable SSK into their fleet. I would not call that underestimation.

The Gotland class is far from an old design. The first one was commissioned in 1996.

Despite these improvements, the AIP SSK is still limited due to its very low endurance. It is more of a defensive, movable minefield type weapon, it will frustrate the USN, but it is hardly a war winning weapon. The new Seawolf Class SSN has a quite speed of more than 20 knots, which means it produces the same noise level at 20 knots as an AIP SSK does at 5.



The Gotland Class design is in fact from the eighties.. And is based from the Västergötland class that was commissioned in 1986. The new A26 submarine that is under development will surely be much more effective when it comes to endurance, speed and quietness.

Hopefully we will be able to share that technology with our Chinese customers when the embargoe is removed.

When USA assumes that all other countries systems and weapons are inferior to theirs by default it is a classic underestimation. You will now be able to refine your ASW, and we will be able to refine our AIP subs...
 
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IDonT

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Re: Chinese sub thread

Mazepa said:
When USA assumes that all other countries systems and weapons are inferior to theirs by default it is a classic underestimation. You will now be able to refine your ASW, and we will be able to refine our AIP subs...

I'm afraid that way of thinking afffects all nations, all countries suffer from that....In the US there is a dangerous trend, and some would say almost impossible to achieve, that wars can be fought with minimal casualties. The perception that the US military is not only invincible, but is expected to win all the battles with minimal casualties is very dangerous. While it is true, that in a conventional war between the US and China, the US will win, the expectation that the US will win all the battles of this perceived conflict is a fallacy.

The US military, however, seldom underestimate their opponent. Their exercises are modeled after what they perceived the true capabilities of their expected enemies then ramp it up to the next level. Don't make the mistake of underestimating the US military. It is a professional all volunteer fighting force that gets not only top of the line equipment, but also trains longer and harder than its contemporaries and constantly seek and employs very effective tactics.
 

tphuang

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Re: Chinese sub thread

I'm not sure, I will check the authenticity of the article once I get home from work. I encountered this article just before I slept last night. What I can say is this. This is not the only place that I read about a anti-ship ballistic missile for China. Richard Fisher also mentionned that in his latest article. He also mentionned the increasing accuracy on the Chinese SRBM and IRBMs. The part about catapult would be pretty hard for anyone outside of PLAN to verify. And the stuff about interest in 32FN does seem quite believable. I personally think China has been looking for a bomber that's better than mkk2 and 32FN does fit that role. I also saw among the latest Kanwa articles that 32FN maybe up for sale. We will see I guess.
 

bd popeye

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Re: Chinese sub thread

Tphuang. I read only what you posted of the article. Personally I would find it hard to believe that the PLA would let such classified material "slip out"

I think the article has some truth espically reguarding the missiles the PLA has and is developing. But some of it is hard to believe. But if found to be authentic information it shows that the PRC is well on it's way to becoming a military super-power.
 

Sczepan

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Re: Chinese sub thread

I am also interested in this article and the seriousity of the sources - about a catabult I heard some rumors before, that PLAN developed and tested one after studying the Melbourne .... if this is true we will have a absolutly new sight about the carrier-programme of China including Varjag (a catapult could be installed in front of the angled deck, for example)
 

bd popeye

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Re: Chinese sub thread

Sczepan said:
I am also interested in this article and the seriousity of the sources - about a catabult I heard some rumors before, that PLAN developed and tested one after studying the Melbourne .... if this is true we will have a absolutly new sight about the carrier-programme of China including Varjag (a catapult could be installed in front of the angled deck, for example)

If the PRC indeed has developed a catapult for the Varyag this is big news. Could well be the Melbourne did have steam catapult(s). I'm going to continue this part of the discussion in the Varyag pics thread. Because I do have some questions and of course the article source is in question
 
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