09V/09VI (095/096) Nuclear Submarine Thread

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antiterror13

Brigadier
AndrewS said:
Well, diesel-electric submarine production has already stopped and the SSKN is being produced at 1 per year?

If they have 2MWe available, then that would be a sustained speed of about 13? knots, so I could see them increasing to 2 per year.
But if the SSKN only has 1.3MW, then it would be about 8 knots, and I think they'll just keep it to 1 per year.

At 1-2 per year, is there actually any additional spare submarine construction capacity/workers at Wuchang shipyard?
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Any source that china producing 1 SSKN per year? since when? how many are there in service?
 
A

AndrewS

Brigadier
Registered Member
Tomboy said:
Only one was ever spotted in 2024 and it disappeared with no follow ups despite many rumors over the years. No confirmation of the sole unit ever being commissioned and in active service.
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For Chinese submarines, we wouldn't expect any confirmation of commissionings or being in active service.

Brookes said "three smaller SSNs" by 2027, which implies 1 per year, although they may not yet be in service.
 
Maikeru

Maikeru

Colonel
Registered Member
ACuriousPLAFan said:
Excerpts from a tender document on the hardware and software simulation systems of the entire electric propulsion system for TWO models of nuclear-powered submarines, with the designated supplier being the 719th Research Institute.

According to the original poster on Bilibili (@星依樱未), this tender is meant for the 093B and 095 SSNs. However, I think 095 SSN and 096 SSBN are likelier.

View attachment 168973
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Looking back through this thread in the light of 09X.
1780933266193.png
 
Tomboy

Tomboy

Captain
Registered Member
Maikeru said:
The post I quote mentions electric drive for 2 classes of subs. Some thought it meant 093B and 095, others that it meant 095 and 096. But now we know it is most likely to mean 095 and 09X.
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I wonder if that means 09X may potentially have a smaller reactor and propulsion system in exchange for full natural circulation over all power settings. Being 15 percent less draggy either means you can go a bit faster or use a smaller reactor for the same top speed, assuming 09V is about as fast as Seawolf (35kn top speed), I doubt going faster would give any useful advantages given even with the sailless design, the flow noise at speeds between 35-40kn range is still going to be significant.
 
tphuang

tphuang

General
Staff member
Super Moderator
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Tomboy said:
I wonder if that means 09X may potentially have a smaller reactor and propulsion system in exchange for full natural circulation over all power settings. Being 15 percent less draggy either means you can go a bit faster or use a smaller reactor for the same top speed, assuming 09V is about as fast as Seawolf (35kn top speed), I doubt going faster would give any useful advantages given even with the sailless design, the flow noise at speeds between 35-40kn range is still going to be significant.
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that is possible, at least for the beginning. I've speculated that the large hull allows for some really high density large battery pack on 09X to power high speed cruise.

And if the electric platform on 09X and motor/drive is really efficient, then it may also not need as powerful of a reactor.

But just as likely, they have the same reactor with very high natural circulation threshold. 09X may just not need to use coolant pump outside of emergency situations. Just a guess as everything I'm saying.
 
O

ougoah

Brigadier
Registered Member
09X appearance in construction indicates work on the design has been happening in the last 10 years to say the least. This lines up with Admiral Ma Weiming's talk about successfully mastering shaftless rim-driven pumpjet from years ago.
 
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