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Michaelsinodef

Senior Member
Registered Member
That video thumbnail is clickbait. The video title is what I'm referring to.

Besides, there are claims in his video which are pretty dubious:
1. The alleged number of Type 901-class underway replenishment ship being at 3 units instead of just 2, since we don't even know whether the 3rd hull even exists;
2. Alleged "17000-ton cruiser with electromagnetic gun"; and
3. Alleged "20000-ton shaftless nuclear-powered submarine".

Which now only made me doubt his video's veracity even further. Although, the add-3-million-ton-in-next-decade notion is highly encouraged, because PLAN really need those numbers.
Claim 2 and 3 is kinda out there, and 100% not something we trust (for now/until we get more rumours that might be more credible).

1 we still need to confirm, but not really 'strange' as in the PLA wanting to get more 901, but what stage it is in (in terms of completion) we don't know yet.
 

para80

Junior Member
Registered Member
While I fully subscribe to both the desire for more 901 AOE and the relative obscurity of auxiliaries in documented imagery, I note we have had multiple misidents for 901, which turned out to be either older 903A constructions or unrelated civilian hulls.

Long story short you can only hide such a large hull for so long. So far the indication is no further 901s have been built. As for the reasoning, your guess is as good as mine.
 

by78

Lieutenant General
A confirmation that China is currently developing X-tail rudders for submarines. Images below show a procurement document from the China Ship Design & Research Center (a.k.a. 701 Institute). The document asks manufacturers to submit bids for a set of 55kN-m electro-hydraulic steering gear (with
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), to be used to actuate X-shaped stern rudders. The steering gear must be able to deflect all four rubbers at the same time up to 35 degrees to either side (i.e. 70 degrees total). The steering gear must weigh ≤1350kg.


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luosifen

Senior Member
Registered Member
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PLA Navy holds 1st amphibious assault ship far sea drills in West Pacific

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and Guo Yuandan Published: Mar 02, 2023 09:56 PM






The Hainan, the first Type 075 amphibious assault ship of the Chinese People's Liberation Army Navy, sails in the South China Sea in 2021. Photo: Screenshot from China Central Television

The Hainan, the first Type 075 amphibious assault ship of the Chinese People's Liberation Army Navy, sails in the South China Sea in 2021. Photo: Screenshot from China Central Television
The Hainan, the first Type 075 amphibious assault ship of the Chinese People's Liberation Army (PLA) Navy, recently joined a flotilla and conducted a far sea exercise in the West Pacific, marking the first time that China has held an expeditionary voyage with a warship of this type.

Such drills displayed the vessel's high level of combat readiness and the PLA Navy's amphibious landing capabilities in carrying out traditional security missions as well as non-traditional ones like anti-terrorism and humanitarian aid, analysts said on Thursday.

The far sea joint training flotilla under the PLA Southern Theater Command Navy recently returned to base after successfully carrying out a combat training mission in the South China Sea and the West Pacific over 30 days and across more than 9,000 nautical miles, China Central Television (CCTV) reported on Thursday.

Consisting of the Type 075 amphibious assault ship Hainan, the Type 052D guided missile destroyer Hohhot, the Type 054A guided missile frigate Liuzhou and the Type 901 comprehensive replenishment ship Chaganhu, the flotilla started its mission from Zhanjiang, South China's Guangdong Province in late January, CCTV reported.

Multiple mission groups including the Marines, helicopters and air-cushioned landing craft carried by the Hainan held deeply integrated exercises. In highly intense live-fire confrontational drills, the flotilla explored the limits of weapons and equipment, and optimized multiple tactics and training methods, according to the report.

This is the first time the Hainan has joined a far sea training mission since its commissioning on April 23, 2021 and its forming of
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, and it displayed the vessel's high level of combat readiness, observers said.

Far sea drills allow the crews of vessels to familiarize themselves with the maritime environments and weather conditions in remote regions where missions could take place, and these are important factors in navigating ships and flying aircraft, Zhang Xuefeng, a Chinese military expert, told the Global Times on Thursday.

More unpredictable situations could arise in far sea exercises, where land-based forces cannot provide support, and foreign vessels and aircraft could also come to cause a disturbance, Zhang said.

That is why far sea exercises offer good practice for the sailors' realistic combat-oriented capabilities, he said.

The exercise shows that the PLA is making strides to reach the far sea and better safeguard the country's strategic interests, another Chinese military expert who requested anonymity told the Global Times on Thursday.

The Type 075 also excels in conducting non-combat operations, including disaster relief and humanitarian aid in countries far away from China, as it can become a large mobile maritime rescue base, with helicopters and landing craft rapidly transporting supplies and personnel, the expert said.

It can also carry out anti-terrorism and anti-piracy missions to help safeguard regional peace and stability, analysts said.

China is a responsible major power, and a strong blue-water Chinese navy will benefit others, they said.

The PLA Navy has commissioned three Type 075 amphibious assault ships, the Hainan, the Guangxi and the Anhui. They are also often called helicopter carriers because of their large, straight flight decks that can host takeoffs and landings of many helicopters.
 

by78

Lieutenant General
An
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that talks about future trends in vertical launch systems. Some tidbits are interesting, such as the need to develop 1) peripheral cells similar to Mk-57 in order to adapt to future hull forms, 2) a compact modular VLS for smaller ships, 3) electro-magnetic vertical launching technology, 4) a new VLS system for China's next generation of very long-range missiles (2000km range, mach 5-6) that are expected to come online in the next 10 years.

A translation of the paper is attached.

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Attachments

  • TRANSLATED 新形势下舰载垂直发射装置发展趋势.pdf
    312.8 KB · Views: 15

by78

Lieutenant General
An
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on temperature and corrosion resistant stealth coating for depth charge launchers. It should also be applicable to countermeasures launchers. Basically, the application of stealth coating to depth charge launchers is challenging due to the damaging effects of high-temperature exhaust plumes. To overcome this, the paper recommends a new mixture made from nanoparticles of metal and metal oxides, to be applied to the launchers using plasma spray coating process. The end result should meet both durability and RCS reduction requirements.

I'm not certain if the technology has already been applied to existing ships. If it has, the best candidate would be the countermeasures launchers found on Type 055.

A translated version of the paper is attached to this post.

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Depth charge launchers on a 054A frigate:
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Countermeasures launchers on a Type 055 destroyer:
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Attachments

  • TRANSLATED 深弹发射装置高温抗腐蚀隐身涂层研究.pdf
    215.2 KB · Views: 1

ACuriousPLAFan

Captain
Registered Member
An
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that talks about future trends in vertical launch systems. Some tidbits are interesting, such as the need to develop 1) peripheral cells similar to Mk-57 in order to adapt to future hull forms,
China wants to build her own Zumwalt-style (not role) and/or CG(X)-style (not-role) warships?

2) a compact modular VLS for smaller ships,
Expected. If smaller ships like the 054Bs and 056s can be fitted with smaller VLS cells, then every ship/boat can fit more missiles.

Furthermore, there is the application of smaller VLS on ocean-going USVs of the future. Have these USVs sail alongside larger surface warships and carry close/mid-range SAMs, thus freeing up more VLS cells on larger surface warships to carry long-range SAMs and AShMs.

3) electro-magnetic vertical launching technology,
Expected as well. Less propellents for launching = more propellents for missiles to travel to their targets, meaning longer range and larger warheads.

4) a new VLS system for China's next generation of very long-range missiles (2000km range, mach 5-6) that are expected to come online in the next 10 years.
HCMs? Also, perhaps something akin to the 12-cell block of larger VLS cells that can be swapped with Mark 41 VLS launchers for the DDG(X)?
 

Kejora

Junior Member
Registered Member
Expected. If smaller ships like the 054Bs and 056s can be fitted with smaller VLS cells, then every ship/boat can fit more missiles.

Furthermore, there is the application of smaller VLS on ocean-going USVs of the future. Have these USVs sail alongside larger surface warships and carry close/mid-range SAMs, thus freeing up more VLS cells on larger surface warships to carry long-range SAMs and AShMs.
Something resembling Mk 48 or Sea Ceptor that doesn't have to penetrate the hull will be very useful

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