Ideal Cruiser thread

Gollevainen

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AEGIS (SPY-1) is US radar system, and is not used by chinese for obvious reasons. The chinese system, altought outwardly similar is completely different set and mainly unknow of it's specification...
 

adeptitus

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Intresting.:) That would be an intresting design. Did you know that the USN had an LPD the USS Coronado that it converted into a command ship? The ship is now decomissioned.
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Hi Popeye,

I based some of the design ideas on the FS Jeanne d'Arc:
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It's an older design concept (extended aft aviation deck) used by several navies. For example the Japanese ASW DDH Haruna class & Shriane class, and the USN Coronado that you mentioned.

While this design is being replaced by "flat top" DDH's like the Japanese 13,500 ton "16DDH" and the Korean LPX, I haven't see the PLAN shipyards build any flat tops, so I opted to go with the 071 design.

Functionally, I think a 071 CGH conversion would be slightly inferior to the Japanese 16DDH. It'd have smaller helicopter deck space, and its Club-N VLS is not as flexible or mature as the Mk 41 VLS. But it'd still be a big leap for PLAN capability.

I've also kept all the systems as realistic as possible. i.e. the 071 shows PLAN shipyard is capable of design and construction of such a ship, mature/affordable weapon systems already in use on the 052B, and few other systems currently avail from Russian exports. Such a ship could also serve in the command role of a fleet, dedicated ASW ship, or center of a rapid-reaction group.
 

planeman

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There is also the height factor. Look at 051C and 052C. 051C is larger than 52C, but doesn't have space for a hangar. It can only carry 8 YJ-83s instead of 8 YJ-62s. It does not have the full set of sensors that 052C has. And it has that humongous radar aka the tombstone, which frankly just takes up too much space.
Where on earth do you get these strange ideas from??? You are very knowledgable but you keep making unfounded assumptions which persistantly fly in the face of simple photo evaluation. If the HQ-9 is significantly shorter than the S-300 then why are the tubes on the ground launched TEL almost identical in size to those of the S-300???
hq91.jpg

5P85SE_01SM.JPG


And here's the S-400 (4 smaller tubes):
9M96_48N6.JPG

9M96_02.JPG


The Type-052C versus Type051C comparison reflects the inferior design of the the latter, rather than it being a bigger missile.

Here's another concept based on existing designs.

Take the 071 LHD/LPD design and militarize it into a CGH with extended aft deck. Instead of landing craft, the below-deck space will be used for other stuff. In the aft section, the helicopter deck can be lifted, or use reduced-size rear door to swap out mission modules below-deck. In forward section, the below deck space will be used for equipment and crew quarters.

The "071 CGH" will use existing, proven systems, both domestic and Russian imports. It'd be deployed for ASW, S&R, and disaster-relief missions. Because the ship's main purpose is not AAW, it'd not be equipped with expensive phased array radar system. Instead it'd use systems found on the 052B.

071 CGH (Guided Missile/Helicopter Cruiser)

Length: ~170 m
Beam: ~30 m
Draught: ~6m
Displacement: ~14,000 tons loaded

Sensors: (similiar to 052B)
MAE-5 "Top Plate" 3-D radar
2-3 MR-90 Orekh "Front Dome" fire control directors
Band Strand Radar (SSM & Gun)
ZJK-5G (Gai = improved) combat management system
Zarya-ME hull-mounted sonar, plus towed array & decoy sonar

Weapons:
1 x 76mm dual-purpose gun
3 x Type 730 CIWS guns
1 x Shtil SAM system with 9K-90 Urgan launcher + 24 missiles
2 x 8-cel Club-N VLS
1 x 8-cel Paket-E/NK ASW & anti-torpedo missile rotary turret
UDAV-1/RKPTZ-1E ASW system with 2-4 x KT-153E MLRS + reloader/magazine
4 x 18-barrel domsetic MLRS (chaff, flare, decoy, etc.)

Aviation:
Aft helicopter deck with 2-3 landing spots, elevator, above-deck hanger option, below-deck hanger space

The ship can accomodate 2 large/heavy helicopters or 3 med/light helos/UAVs on aft deck at same time. The size of aft deck would depend on the above-deck hanger structure option. There's an elevator to below-deck area where UAV mission modules can be installed. It's also possible to store additional light/medium helicopters below-deck via elevator. The ship has theorical max capacity of 8-10 medium helicopters (less operationally), while handling the take-off/landing of 3 at one time (like FS Jeanne d'Arc)

The ship will also be equipped with full emergency hospital facilities below-deck. One CIWS gun is installed in the front, and 2 in mid or aft section. The Shtil launcher is installed forward position behind main gun (like 052B) with option to upgrade to VLS version in the future. The Paket-E/NK 8-cel launcher is mounted in aft section, above helicopter hanger. It's elevated on rotary mount when in use. The Club-N VLS cels are stored somewhere near the center section of the ship, and usually fitted with a mix of ASW missiles and SSM's.

===============

After ~5 years of service, the ship is brought back to the ship yard in ~2012 for overhaul and upgrades. The Type 730 CIWS will be replaced by Chinese-made ADGMS system, and the Shtil replaced with 24-32 cel VLS SAM with new fire control radar.

During most operational cruises, the ship will carry 3 helicopters + UAV module, or 4 helicopters. If used as helicopter transport/ferry, the ship could potentially carry 8 or more helicopters, but prolly not with a large inventory of parts, fuel, munitons, etc.

I really think you've hit on a strong concept here, although I'm sure we can play with the exact weapons fit and dimensions. As well as the Jeanne d'Arc, the Italian Vittorio Veneto and Russian Moskva, though the latter is generally regarded as unseaworthy.

Vittorio Veneto:
Vittorio_Veneto_cruiser_back.jpg


moskva-DNST9007632.JPG


Am I right in thinking that it wouldn't be an exact derivative of the Type-071, rather just use a similar layout?

Both Vittorio Veneto and Jeanne d'Arc are much less than 30m beam, being 24m and 19m respectively. Both displace about 9~10,000t.

My previous length/beam/draft-v-displacement estimates suggest that in order to get a 13,000t cruiser with 6m draft and 28m beam, it's be about 170m long (about that of the Type-071). 28m is plenty wide enough IMO.
 
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tphuang

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Where on earth do you get these strange ideas from??? You are very knowledgable but you keep making unfounded assumptions which persistantly fly in the face of simple photo evaluation. If the HQ-9 is significantly shorter than the S-300 then why are the tubes on the ground launched TEL almost identical in size to those of the S-300???
[qimg]http://www.sinodefence.com/army/surfacetoairmissile/hq91.jpg[/qimg]
[qimg]http://www.military.cz/russia/sam/s300p/5P85SE_01SM.JPG[/qimg]
you are assuming that HHQ-9 is the same as land based HQ-9. On top of that, even if the missiles are similar in height, the VLS using them might not be.
I don't have the specs on how many deck levels HHQ-9 VLS takes up and how many rif VLS takes up, but let's look at both
on 052C, you can fit 6 of those 6-revolving launchers in the forward section. Whereas on 051C, you can only fit 2 of those 8-revolving launchers in the front and they couldn't even put them on the same row, had to put one in front of the other. And the other 4 had to be put on the raised section ahead of the helicopter platform.
Also notice that even just comparing the cells in the forward section, 052C had them on the same level as the main gun whereas 051C cells were raised.
And here's the S-400 (4 smaller tubes):
[qimg]http://www.military.cz/russia/sam/s300p/9M96_48N6.JPG[/qimg]
[qimg]http://www.military.cz/russia/sam/s300p/9M96_02.JPG[/qimg]
They don't have a VLS system developed just for 9M96. It will have to fit 4 of them per rif cell. As I've always said, China should work on a common VLS that can hold 1 YJ-83, KD-88, HHQ-9 or 4 HH-16 or 4 HH-7.
The Type-052C versus Type051C comparison reflects the inferior design of the the latter, rather than it being a bigger missile.
Well, Kirov is about 3.5 times as large, only carries twice as many rif cells as 051C. Slava is almost twice as large as 051C and carries only 1/3 more in terms of rif cells. I think 051C fits about as many rif cells as it could.
also, that large Tombstone radar + top plate radar do not offer the capability of the 4 AESA radars on 052C while weighing a whole lot more.
 

planeman

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So you are saying that the SAMs on the Type-052C are not essentially the same missile as in the HQ-9????? you are just speculating in order to patch your leaky logic. You consitantly make assumptions that fit your viewpoint without objectively assessing the information available. For example, how do you support the idea that the Type-052C's 4 radars are lighter than the single radar on the Type-051C, which afterall is normally mounted on a single truck in the ground based system. Your whole idea that the HQ-9 is somehow compact and lightweight compared to the S-300 just isn't supported by a common sense evaluation of the evidence. And you talk about the HHQ-16 like you actually know what it is, when in fact we are all waiting to find out.

For what it's worth, HQ-9 and S-300 Rif launch drums appear to be somewhere between 4 and 4.5m in diameter. I'd guess that the HQ-9 is slightly smaller in diameter, but not by a lot at all.

Adeptitus , the need for a large beam will make the helicopter cruiser rather fat looking, but the weapons potential is great. For instance, it would be feasible to accomodate the large YJ-62 anti-ship missiles in back-back fashion firing directly out of the side of the ship if you position them at the back where the hot gasses from firing can be vented. It would also be viable to have two Ak-176s side-by-side as per the Horizon class frigates.
cruiserhsf5.jpg
 
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tphuang

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So you are saying that the SAMs on the Type-052C are not essentially the same missile as in the HQ-9????? you are just speculating in order to patch your leaky logic. You consitantly make assumptions that fit your viewpoint without objectively assessing the information available. For example, how do you support the idea that the Type-052C's 4 radars are lighter than the single radar on the Type-051C, which afterall is normally mounted on a single truck in the ground based system. Your whole idea that the HQ-9 is somehow compact and lightweight compared to the S-300 just isn't supported by a common sense evaluation of the evidence. And you talk about the HHQ-16 like you actually know what it is, when in fact we are all waiting to find out.
I'm not the one who started this idea actually. I got lectured by Xinhui of CDF for thinking that they were the same missile. And also, this has been stated by numerous big shrimps on Chinese forums. We see that HH-16 has no land based equivalence, so that shows they have separate projects developing SAMs just for naval platform.
From the pictures, I would say tombstone + top plate is much bigger than the 4 radars on 052C and also take up more space and is limited in that it can only illuminate targets in one direction.
My idea on HHQ-9 being lighter than RIF is explained in the last post. Compare the VLS in the forward section. RIF had to be place on a higher platform and still had to be placed one in front of the other.
 

planeman

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Here's an HQ-9 being loaded onto a Type-052C:
HQ-9_DDG_52C.jpg

More compact than S-300????? Lol. Not by a lot if at all, they look pretty much the same size. The tube is constistant with the HQ-9 land based system, where the missile is again about the same size as the S-300, ie somewhere in the region of 7m, ie about 2 deck levels. Therefore there is no logical reason to assume that the below decks volume of the HQ-9 is significantly different to that of the S-300. We know that the S-300 rotary launcher on the Slava (and by extension other S-300 equipped ships) is about 9m in total depth, about 8.5m of which is below decks and includes the rotation element. Any difference in depth is therefore likely to be much less than one deck level.
 
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adeptitus

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Am I right in thinking that it wouldn't be an exact derivative of the Type-071, rather just use a similar layout?

Both Vittorio Veneto and Jeanne d'Arc are much less than 30m beam, being 24m and 19m respectively. Both displace about 9~10,000t.

My previous length/beam/draft-v-displacement estimates suggest that in order to get a 13,000t cruiser with 6m draft and 28m beam, it's be about 170m long (about that of the Type-071). 28m is plenty wide enough IMO.

Hello,

The reason why I picked the 071 is realism. The PLAN already has one under construction, and I don't think it'd be too difficult to convert the design into a DDH/CGH. Instead of landing craft in cargo hold, it'd simply have a hanger + elevator.

In my fantasy "armchair admiral" design, I'd like to see the PLAN build a couple of these 071 CGH variant and assign them to rapid reaction groups. These ships are ASW platforms at heart, but will be referred to as "multi-use vessels" and sent overseas for various missions. i.e. disaster relief, hospital ship providing free medical procedures during goodwill visits, etc.

Afterwards, you build couple next-generation LHA/LHD with flat-top design that looks like the Korean LPX, except you announce that it'd not have catapults or any equipment relating to fixed-wing aircraft operation. The follow-up class will be a dedicated helicopter carrier like what the Japanese and Koreans are building.

And after that, you build your first light aircraft carrier, except you'd call it "multi-purpose aviation ship" with a mix of few helicopters and fixed wing aircraft. And after that, you build larger, medium-sized AC and call it an aircraft carrier, except by now nobody is really surprised anymore.

This is like the Japanese incrementalist approach. It has a few benefits. You gradually up-tonnage your ships as a learning experience, and your neighbors are given time to gradually accept the fact that you're going to be operating full-sized AC's. Or perhaps by then they'd be operating their own light AC's, so you could say you didn't start the arms race, only in response to others.
 
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tphuang

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Here's an HQ-9 being loaded onto a Type-052C:
[qimg]http://www.defencetalk.com/pictures/data/3635/HQ-9_DDG_52C.jpg[/qimg]
More compact than S-300????? Lol. Not by a lot if at all, they look pretty much the same size. The tube is constistant with the HQ-9 land based system, where the missile is again about the same size as the S-300, ie somewhere in the region of 7m, ie about 2 deck levels. Therefore there is no logical reason to assume that the below decks volume of the HQ-9 is significantly different to that of the S-300. We know that the S-300 rotary launcher on the Slava (and by extension other S-300 equipped ships) is about 9m in total depth, about 8.5m of which is below decks and includes the rotation element. Any difference in depth is therefore likely to be much less than one deck level.
the tube is about 5 times that of the guy's upper buddy. I used a ruler, got a ratio of 1.8 cm: 9 cm on my monitor. I would say the guy is probably 1.2 m from butt to head. I've been generous here, since the guy is sitting a little bent and Chinese people aren't that tall in general. That would make the missile around 6m. (compare to 7.5 m of 48N6Ye used on 051C and who knows how long 40N6 will be?) That's a 1.5 meter difference already. Note, 051C uses Rif-M instead of Rif on Slava. And we don't know how deep is the launching system, exactly. But what we do know is what I already stated.
 

Gollevainen

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Hq-9 is 47cm in diameter and 6,8 meters in length were as S-300 (48N-6E) is 45 cm and 7m respectevly.....According to pretty realible Weyers book...
 
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