PLAN Type 035/039/091/092 Submarine Thread
- Thread starter crobato
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MwRYum
Major
Re: PLAN submarines Thread II
What'd be the advantage for a SSK to have its plane move from the conning tower to the main body? It ain't like they got polar operation requirement or something...
a new and really up-close picture of that new submarine from Wuchang. Any new thoughts over this picture?
What'd be the advantage for a SSK to have its plane move from the conning tower to the main body? It ain't like they got polar operation requirement or something...
Re: PLAN submarines Thread II
I realized that I was totally wrong in the first look. There are actually two Yuans in the pictures + the one new 039B. They have one Yuan (Yuan's 5th unit) and 039B together with 039B trailing 039A. And then the other Yuan (Yuan's 6th unit) by itself parked away. So, they have at least 2 more Yuans here on top of the 4 or 5 Yuans already in service.
I realized that I was totally wrong in the first look. There are actually two Yuans in the pictures + the one new 039B. They have one Yuan (Yuan's 5th unit) and 039B together with 039B trailing 039A. And then the other Yuan (Yuan's 6th unit) by itself parked away. So, they have at least 2 more Yuans here on top of the 4 or 5 Yuans already in service.
Re: PLAN submarines Thread II
btw, I hope everyone realizes that I'm just calling that new submarine type 039B. It's quite possible that I'm completely off with that designation.
on top of the above, some more up close photo of one of those 2 launched Yuan submarines
It looks like from the sail that it adopted more curves rather than straight edges like previous iterations. It looks like the limber holes might have changed, although nothing is conclusive.
a point of interest, this thread on hsh outlines the first Yuan submarine from 2004 and the next 3 Yuan submarines built in 2008 + their differences.
btw, I hope everyone realizes that I'm just calling that new submarine type 039B. It's quite possible that I'm completely off with that designation.
on top of the above, some more up close photo of one of those 2 launched Yuan submarines
It looks like from the sail that it adopted more curves rather than straight edges like previous iterations. It looks like the limber holes might have changed, although nothing is conclusive.
a point of interest, this thread on hsh outlines the first Yuan submarine from 2004 and the next 3 Yuan submarines built in 2008 + their differences.
Engineer
Major
Re: PLAN submarines Thread II
Is there a particular reason why he is equating pumping oil through 1~2 meter diameter pipes at high velocity to pumping water through 10~20cm pipes at low velocity?
Here is a better one:
Is there a particular reason why he is equating pumping oil through 1~2 meter diameter pipes at high velocity to pumping water through 10~20cm pipes at low velocity?
Engineer
Major
Re: PLAN submarines Thread II
Not only is the sail longer than that on the Yuan, but the sail is fricking wide too! I wonder what the sail could be housing.
a new and really up-close picture of that new submarine from Wuchang. Any new thoughts over this picture?
Quickie
Colonel
Re: PLAN submarines Thread II
Actually, the submarine propulsion system, other than pump-jet type, does not involve the use of any pump at all. As to the use of pumps in the other parts of the submarine, it applies both to diesel and nuclear, and maybe more so for nuclear.
Actually, the submarine propulsion system, other than pump-jet type, does not involve the use of any pump at all. As to the use of pumps in the other parts of the submarine, it applies both to diesel and nuclear, and maybe more so for nuclear.
Re: PLAN submarines Thread II
Hmmm.... the new sub's conning tower is just enormous!
The method of construction is still the same throughout the Song to the present 039B, a patchwork quilt of metal plates welded onto closely spaced structural frames - very similar to civilian construction techniques.
The chief differences are: as this is a double-hulled vessel, the outer skin here is rather thin - hence the wrinkles, warping and slight imperfections - a single hull (which by necessity is much thicker) would not have those imperfections.
Correct me if I'm wrong but there doesn't seem to be any of the usual anechoic tiles the PLAN has been plastering onto the Songs of late.
The size seems to indicate that this baby won't be operating close to Chinese shores - this is an ocean-going sub.
BTW, is there any confirmation that the Yuan's have replaced the Song's completely on the assembly lines?
If that is so then it is no wonder that we are seeing more Yuan's lately.
I wish they would transfer Yuan production from Wuhan to the Shanghai and Guangzhou yards, they could do it faster and better in my opinion.
Wuchang could then get on with further developing the new sub.
Methinks that this is the start of a new era in PLAN subs - similar to that for the PLAAF - a high/low combination of subs for 2 purposes:
a low-end for shallow/inshore (1st island chain) patrolling and,
a second set of high-end subs for open-ocean (2nd island chain) patrolling.
Hmmm.... the new sub's conning tower is just enormous!
The method of construction is still the same throughout the Song to the present 039B, a patchwork quilt of metal plates welded onto closely spaced structural frames - very similar to civilian construction techniques.
The chief differences are: as this is a double-hulled vessel, the outer skin here is rather thin - hence the wrinkles, warping and slight imperfections - a single hull (which by necessity is much thicker) would not have those imperfections.
Correct me if I'm wrong but there doesn't seem to be any of the usual anechoic tiles the PLAN has been plastering onto the Songs of late.
The size seems to indicate that this baby won't be operating close to Chinese shores - this is an ocean-going sub.
BTW, is there any confirmation that the Yuan's have replaced the Song's completely on the assembly lines?
If that is so then it is no wonder that we are seeing more Yuan's lately.
I wish they would transfer Yuan production from Wuhan to the Shanghai and Guangzhou yards, they could do it faster and better in my opinion.
Wuchang could then get on with further developing the new sub.
Methinks that this is the start of a new era in PLAN subs - similar to that for the PLAAF - a high/low combination of subs for 2 purposes:
a low-end for shallow/inshore (1st island chain) patrolling and,
a second set of high-end subs for open-ocean (2nd island chain) patrolling.
Spartan95
Junior Member
Re: PLAN submarines Thread II
Minimally, it frees up space in the conning tower (the highest feature on the sub) for other purposes. More sensors or weapons perhaps?
From what I understand when I visited 1 of the shipyards in China, there is a certain division of speciality between the various yards. Submarines are produced only in a particular yard, while frigates are produced by various yards.
Minimally, it frees up space in the conning tower (the highest feature on the sub) for other purposes. More sensors or weapons perhaps?
From what I understand when I visited 1 of the shipyards in China, there is a certain division of speciality between the various yards. Submarines are produced only in a particular yard, while frigates are produced by various yards.
Roger604
Senior Member
Re: PLAN submarines Thread II
I guess they are in series production. So it took about 5-6 years to go from first Yuan to production series Yuan (and also first successor).