00X/004 future nuclear CATOBAR carrier thread

[Lethe]

Absolutely. The so-called zero total failure rate is in particular unbelivable.

I remember an General of PLANF had semi-officially claim that their EM cat. is much better than that on the US Navy a few years ago. The figure he mentioned is hundreds to thousand times of test have been done, and no failure at all.

If what he claimed before at the early stage was true, and the figures of the weibo article above is also true, it is very very impressive for a whole new system that can perform such kind of stablility.

In principle, China's EMALS could well be equal or superior to USN's. But when there have been zero tests of this system in an operational environment at sea, declaring this to actually be the case seems premature. It is one thing to complete hundreds or thousands of tests on land in a physically stable, salt- and water-free environment fed by mains power supply and staffed with high-level engineers and specialist technicians. It is quite another to do it on an operational carrier at sea.

 

[PeoplesPoster]

In principle, China's EMALS could well be equal or superior to USN's. But when there have been zero tests of this system in an operational environment at sea, declaring this to actually be the case seems premature. It is one thing to complete hundreds or thousands of tests on land in a physically stable, salt- and water-free environment fed by mains power supply and staffed with high-level engineers and specialist technicians. It is quite another to do it on an operational carrier at sea.

correct, and with the PLAN's relative lack of experience with carrier operations and especially catapult based carriers the fear is not that the EMALS is failing tests, but that they won't know what to test for to really establish that EMALS will perform in a operational environment.

 

[taxiya]

Absolutely. The so-called zero total failure rate is in particular unbelivable.

I remember an General of PLANF had semi-officially claim that their EM cat. is much better than that on the US Navy a few years ago. The figure he mentioned is hundreds to thousand times of test have been done, and no failure at all.

If what he claimed before at the early stage was true, and the figures of the weibo article above is also true, it is very very impressive for a whole new system that can perform such kind of stablility.

hundreds to thousand times of land based test without failure is nothing unbelievable or spectacular. The test condition is almost perfect for what the system is designed for. It is the test on the ship in the chopping water, under heat and cold and rain that is challenging.

 

[taxiya]

People should not link the EM cat's performance and reliability to building a new haul of the ship. Any fault and its correction related to EM cat does not impact the haul design and building, at least not up to the deck level where EM cat is installed.

I am not suggesting building the next right after 003, but trail of EM cat isn't the first and foremost stopper.

 

[latenlazy]

Steam catapult system concumpts huge amount of steam and the remaining steam limited the speed of the ship under certain conditions, such as continuous launch operation. The disclosed energy efficiency of EM catapult system is higher than that of the steam catapult system. Therefore the power left on the 003 is enough or not to keep going at high speed continuously, it will tell.

You can store and stockpile electric power, which you can’t do nearly to the same energy density or duration as steam. One of the benefits of EMALS should be independence in energy draw between propulsion and catapults. Even without storage though a direct draw from the generators should also be a lot less wasteful than actively splitting your steam supply between your turbine and your catapults.

 

[gongolongo]

The carrier itself can refuel his escorts. There are some pictures in the internet doing this.

How well can these escorts be kept alive in an high intensity conflict though? Being independent from traditional fuels is a big strategic advantage but of course probably one that China is not ready for or needs soon.

 

[Han Patriot]

i work in a Shanghai yard. I already heard 2 years back about Dalian recruiting ppl for a 4th carrier. Some colleagues were being asked if they were interested.

 

[davidau]

In principle, China's EMALS could well be equal or superior to USN's. But when there have been zero tests of this system in an operational environment at sea, declaring this to actually be the case seems premature. It is one thing to complete hundreds or thousands of tests on land in a physically stable, salt- and water-free environment fed by mains power supply and staffed with high-level engineers and specialist technicians. It is quite another to do it on an operational carrier at sea.

I am confident China would have done its sums in these trying envirnments.

 

[weig2000]

i work in a Shanghai yard. I already heard 2 years back about Dalian recruiting ppl for a 4th carrier. Some colleagues were being asked if they were interested.

I remember @Deino mentioned a while back that he had read somewhere (PDF?) that someone talked about Dalian recruiting people at JNCX to work on the next carrier at Dalian. I hope that wasn't from you. If not, then we have multiple independent sources telling the same thing. If there is no change in plan, perhaps we will start to see modules for the 4th carrier at Dalian in a year or two.

It's about time.

 

[lcloo]

I remember @Deino mentioned a while back that he had read somewhere (PDF?) that someone talked about Dalian recruiting people at JNCX to work on the next carrier at Dalian. I hope that wasn't from you. If not, then we have multiple independent sources telling the same thing. If there is no change in plan, perhaps we will start to see modules for the 4th carrier at Dalian in a year or two.

It's about time.

I don't know if this is relevant. It is a JNCX shipyard recruitment for technical personnels for military ships dated way back in 2015, for 2016 graduates. I believe this was the start of a program for nuclear powered surface ships, most likely a nucleared powered aircraft carrier and other combat ships.