055 DDG Large Destroyer Thread

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AndrewS

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I remember reading a news article last year on China polishing a 4.7 meter mirror which when placed in geosynchronous orbit has a coarse (30? meter) resolution that is good enough to track very large ships continuously. Gaofen-4 probably serving as the prototype. I wish I saved the URL/image of this article.

The Yaogan-30 triplets are operational and have a very decent revisit rate now (almost hourly) give how slow ships are.

You mean this article?

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kentchang

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I found the article! You can do the same by searching "4米镜". 4.03 meter. Any attack on this satellite has at least an hour of warning time (8 km/s).

I don't see any reason to put ASBM's on surface ships especially a flag/command ship like 055. Perhaps a semi-submersible arsenal ship or just an autonamous variant of the 032 sub will do very nicely as deterrence. Much cheaper.

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PikeCowboy

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I think China's new reusable vehicle and the X37B should be thought of as recoverable and maneuverable satellites with increased survivability against ASAT and more flexible in its ability to track maneuverable targets. If you have a squadron of them in flight at any given time they could realistically act as a tracking/targeting mechanism especially when they're connected to a communication satellite system in a higher orbit.
 

Richard Santos

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I doubt the Chinese would put AshBM on the type 055. AshBM is effectively a one-shot suicide weapon. It’s launch can be detected immediately by anything within its range. It’s range is not all that great. It’s launch will immediately reveal where the launch ship is and focus retribution down upon the ship.

you don’t use your most capable and valuable surface warship for that kind of one-shot role.

if you need to launch it from the sea, you probably launch it from a submarine or One-use self-propelled weapon Barge type platform That wouldn’t take a lot of valuable equipment down with her in the retaliation that will likely follow after launching its weapons.
 

Temstar

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I doubt the Chinese would put AshBM on the type 055. AshBM is effectively a one-shot suicide weapon. It’s launch can be detected immediately by anything within its range. It’s range is not all that great. It’s launch will immediately reveal where the launch ship is and focus retribution down upon the ship.

you don’t use your most valuable surface warship for that kind of one-shot role.
You would not risk a type 055 if it got a fix on a CVBG and has a potential to sink every ship in that group by emptying its VLS?

That's a trade I'll be willing to make.
 

Richard Santos

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You would not risk a type 055 if it got a fix on a CVBG and has a potential to sink every ship in that group by emptying its VLS?

That's a trade I'll be willing to make.

But why would you Force yourself to make this kind of trade by putting AshBM on the type 055?

1st of all, you are not sure if AshBM can sink every ship in that group. If it really has a high change of doing that, the owner of the CVBG would know it too and probably wouldn’t put himself where a type 055 can approach and launch,

much better to put AshBM on more disposable but stealthy platforms, with perhaps the type 055 acting as a area air defense
 

SimaQian

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It makes more sense to put a AntiShip ballistic missile on a ship. Its moving and has less collateral damage if attacked. That effectively increases the range of the missile. However the limiting factor is the recoil force acted on the ship when a AShBM is launched. This type of missile is cold launched, basically throwing the missile to the air before firing. So more height is needed so it cannot damage the ship during firing the missile. More height translate more acceleration needed during missile launch and more recoil force on the ship.
 

ougoah

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The differences may be significant between the known AShBM like DF-21 and DF-26 boosted ones and that of the supposed YJ-21 ship launched ones. If YJ-21 is 055 carry-able, it probably has much shorter range than those MRBM and IRBM ranged AShBMs. The flight trajectory is probably quite different and uses a completely different approach - shockwave surfing WELL within the atmosphere.

The DF-26 and DF-21 launched payloads are probably much more conventional in flight paths with a different set of guidance principles and terminal phase maneuvering. These ballistic missile and hypersonic glide missiles are just two higher tier anti-surface weapons still shrouded in some secrecy although we know AShBM have been in service with PLA for at least a decade now. The HGV weapon/s are newer but if one hypersonic vehicle itself was shown in full back in October 2019, it only goes to prove there are plenty more modern and possibly superior anti-surface weapons already well in service. The CCP usually shows decades old stuff, they've moved towards showing years old stuff with greater transparency but rest assured everything displayed can be considered known by US intelligence.

YJ-21 is probably an HGV anti-ship missile. It is not comparable to AShBM. At the end of the day, all of this is expected from China by now. If we've known about AShBM since circa 2010, and we've known about HGVs and powered HGVs for years with successful flight tests confirmed by the US since 2006, then HGVs filling anti-ship roles is bound to happen. In fact they've had at least 15 years to make it so. Type 055 just happen to have some large enough VLS cells to carry YJ-21 when land and possibly air launched versions could have preceded ship launched versions.

Digital spectrum warfare is still kept far more secret than missiles. Both the US and China completely hide their EM wares. The risk with such network dependent high tier anti-surface missiles is exposure to electronic disruptions. Even if they knock out or jam some guidance chain, these missiles may be entirely useless! PLAN need to field many redundancies and keep those secret! YJ-12 and YJ-18 are probably not going to be enough against the USN.
 
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Lethe

Captain
DF-11A is listed on Wikipedia as 8.5 x 0.8m which should more or less fit inside 055's full-length universal VLS cells. As such, DF-11A can serve as a baseline for minimum expected performance. In reality, a new generation of propellants and reduced warhead size should yield improved performance.
 
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Temstar

Brigadier
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If it really has a high change of doing that, the owner of the CVBG would know it too and probably wouldn’t put himself where a type 055 can approach and launch,

That's sort of the point right? You're not certain how good a ship launched AShBM so you stay the hell away from a type 055, therefore each type 055 can control the sea in an area like 1,000km around them, that's a huge amount of area that a ship can control, getting up there with a carrier.
 
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