Type 052C/052D Class Destroyers


sndef888

Junior Member
Registered Member
I think the next frigate might go 40 VLS, but that's 32 for SAMs and 8 for antiship missiles. Not really any different from the 054A which is 32 VLS, plus 8 antiship missiles which are on slanted canisters. For the same reason the 052C is really a 56 missile ship, only eight shy of the 052D.
Even 40 VLS could dramatically change the potency of the 054E if (big if though): it's using the UVLS and quadpacked SAM finishes development

It could have up to 8x antiship, 8x asroc, 32 quadpacked sam and still have room for 16 more SM-2 equivalents, making it quite close to what the 052C/D is currently in terms of missile load
 

nemo

Junior Member
What I mean is we probably won't see AB-sized destroyers for PLAN. Just think about the engine combination.
Not really. Number of engines issues only really applies to mechanical gearbox. With IEP (integrated electrical propulsion), the problem goes away. With the sample power plants and IEP, CODOG 052x can be even larger without losing speed because they can now use both set of power plants simultaneously.
 

blindsight

Junior Member
Registered Member
Not really. Number of engines issues only really applies to mechanical gearbox. With IEP (integrated electrical propulsion), the problem goes away. With the sample power plants and IEP, CODOG 052x can be even larger without losing speed because they can now use both set of power plants simultaneously.

Then you plan to use two diesels for cruising and power supply simultaneously? Don't forget: the 052D has a fairly high aspect ratio that will likely be reduced a little bit for the next generation destroyer. And the power consumption will certainly go up significantly. Even right now, the cruising speed of the 052D is already around the lower end. So, you'll need new engines anyway.
 

nemo

Junior Member
Then you plan to use two diesels for cruising and power supply simultaneously? Don't forget: the 052D has a fairly high aspect ratio that will likely be reduced a little bit for the next generation destroyer. And the power consumption will certainly go up significantly. Even right now, the cruising speed of the 052D is already around the lower end. So, you'll need new engines anyway.
The points is you can handle transient power need by diverting power to that, hence you don't need extra generators to handle those just in case needs. In case of 052D changed to IEP, then all those idled diesel power can be used for propulsion -- hence higher max speed. In case of need, just divert power from propulsion. And note no ship cruise around with flank speed continuously (due to fuel usage, noise generation, etc) hence it's likely that there will be enough reserve power to service the needs.

And IEP flexibility applies to ship design also. Twin screwed ship engines are numbers in multiple of 2 due to the fact that this simplifies the gear box design. With IEP, who cares? You can have a ship with 3 gas turbine driving two screws. So if you really need a ship that comes half way between 055 and 052D, you can do so without developing a new engine.
 
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blindsight

Junior Member
Registered Member
The points is you can handle transient power need by diverting power to that, hence you don't need extra generators to handle those just in case needs. In case of 052D changed to IEP, then all those idled diesel power can be used for propulsion -- hence higher max speed. In case of need, just divert power from propulsion. And note no ship cruise around with flank speed continuously (due to fuel usage, noise generation, etc) hence it's likely that there will be enough reserve power to service the needs.

And IEP flexibility applies to ship design also. Twin screwed ship engines are numbers in multiple of 2 due to the fact that this simplifies the gear box design. With IEP, who cares? You can have a ship with 3 gas turbine driving two screws. So if you really need a ship that comes half way between 055 and 052D, you can do so without developing a new engine.
You do know the 052D uses the two diesels for cruising, right? That's why its max range is achieved at 15 knots, which is fairly slow already. For an AB-sized destroyer, with or without IEP, it definitely needs more power for cruising. You either use more powerful but even bulkier diesels, or gas turbines significantly smaller than the GT25000. Or maybe you can have 3 GT25000s while adding some small diesel generators. To be honesty, I don't know whether the last option viable or not.
 

nemo

Junior Member
You do know the 052D uses the two diesels for cruising, right? That's why its max range is achieved at 15 knots, which is fairly slow already. For an AB-sized destroyer, with or without IEP, it definitely needs more power for cruising. You either use more powerful but even bulkier diesels, or gas turbines significantly smaller than the GT25000. Or maybe you can have 3 GT25000s while adding some small diesel generators. To be honesty, I don't know whether the last option viable or not.
Look. With IEP, you can turn on only one turbine instead of both, for example -- gas turbine at near full power is as efficient as diesel if not more so. Or any other engine combination that will achieve needed power -- use turbine engine at max efficiency/bulk of the need and use diesel engines to do finer adjustment.
 

blindsight

Junior Member
Registered Member
Look. With IEP, you can turn on only one turbine instead of both, for example -- gas turbine at near full power is as efficient as diesel if not more so. Or any other engine combination that will achieve needed power -- use turbine engine at max efficiency/bulk of the need and use diesel engines to do finer adjustment.
I know, that's why I mentioned the 3rd option. Maybe it's doable. Just nobody did it before, so I'm not that sure.
 

Tam

Brigadier
Registered Member
What's the typical radar mast height above sea level for a warship like the 052D/055?

Depends which radar you are referring to.

For example on the Type 052D, there are radars higher than the Type 346A's height. In that order, first comes the Type 366, then the Type 344, then the Type 364 at the highest.

On the Type 055, you have the X-band radars situated on the integrated mast.

The Type 364 radar on the 052D --- which is the white dome on top of the mast --- is higher than the X-band radars on the 055. This might give the 052D an advantage over the 055 in terms of spotting threats over the horizon, but the 055 situates the Type 726-1 ESM right on top of the mast, higher than the X-band radars, on the base along with a new ESM mast. On the 052D, the 726-1 ESM are situated on the first set of arms in the mast under the Type 364 radars. This position means the 055 can catch threat signals earlier than the 052D. The first set of panels topmost in the integrated mast might be a new ESM, and these are underneath the 726-1 ESM.
 
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Tam

Brigadier
Registered Member
Depends which radar you are referring to.

For example on the Type 052D, there are radars higher than the Type 346A's height. In that order, first comes the Type 366, then the Type 344, then the Type 364 at the highest.

On the Type 055, you have the X-band radars situated on the integrated mast.

The Type 364 radar on the 052D --- which is the white dome on top of the mast --- is higher than the X-band radars on the 055. This might give the 052D an advantage over the 055 in terms of spotting threats over the horizon, but the 055 situates the Type 726-1 ESM right on top of the mast, higher than the X-band radars, on the base along with a new ESM mast. On the 052D, the 726-1 ESM are situated on the first set of arms in the mast under the Type 364 radars. This position means the 055 can catch threat signals earlier than the 052D. The first set of panels topmost in the integrated mast might be a new ESM, and these are underneath the 726-1 ESM.

Timely tweet. You can compare the heights here.


E_EvcaiUYAUvKjY.jpeg
 

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