Great warships

Chapter 557 039's first boat

"Mr. Qin, the ship models you designed are really advanced enough, they are simply revolutionary." Here, Zheng Ming said to Qin Tao with emotion: "When I saw these ship models you designed, the It’s all blank, I didn’t expect future warships to look like this.”

"Of course it's to fool others." Qin Tao said with a smile: "If they take it seriously, follow this road and spend tens of billions before they find out that it's a big pit."

What kind of littoral combat ship, it sounds very high, but after burning tens of billions, it was found that this thing was useless at all. The first ship was retired after ten years of service. It is said that the aluminum alloy shell was cracked. There is a plan to retire all ships in 2023. After a long time, there are a lot of new concepts, but the result is a pit!It's better to play destroyer and frigate honestly.

As for the DDG-1000, this thing is indeed good, but it is too expensive. The Yankees can't afford such a high cost. Only three ships were equipped, and it ended hastily.

At the beginning, the Americans dragged down the Red Empire through Star Wars. Now, Qin Tao is doing the same, digging holes for them non-stop. As long as the opponent jumps down, he can spend a lot of money. The military expenditure is certain. Here If you spend money, you have to save elsewhere.

Big pit?

Zheng Ming looked at Qin Tao in surprise, he didn't expect Mr. Qin to be cheating others!
"It's okay to be idle, let's fool some others, and those are all external, how the shell changes is secondary, the important thing is the internal things."

"Something inside?"

"That's right, for example, the power distribution scheme of the warship, which is the comprehensive power system we are currently developing, and the information combat capabilities of the warship's detection, data processing, etc., these are the most critical." Qin Tao said : "In these respects, we are currently catching up, and even overtaking on corners."

Speaking of these, Qin Tao was eloquent, but before he could tell his rich knowledge, Xu Zhengyang had already walked in.

"President Qin, someone from Wuchang Shipyard has come to ask us for help."

Wuchang Shipyard?This inland shipyard, what are you doing here?Qin Tao felt a little strange, but he was idle anyway: "Okay, then invite them in."

Zheng Ming at the side seemed to think of something, and frowned: "Mr. Qin, should I avoid it?"

"No, Old Zheng, maybe you can help too."

Two people walked in from the door, and when they saw Zheng Ming, they were taken aback for a moment.

"Old Li, Old Zhao, it really is you." Zheng Ming said, "You are here for the 039 submarine?"

Both of them had embarrassment on their faces.

"You know each other?" Qin Tao was slightly surprised.

"Yes, Mr. Qin, come, let me introduce you. This is Li Lianyou, the designer of 035 and 039 submarines. This Zhao Heping, Wuchang Shipyard is in charge of the construction of the submarine project." Zheng Ming said to Qin Tao.

"The two of you came to me because of the 039 submarine?"

Although Qin Tao brazenly called his foreign trade submarine 039B, in fact, the navy has never ordered a submarine from Mingzhou Group. The main source of navy submarines is Wuchang Shipyard.

From the original 033 to the current 039, they are all built by this shipyard.

For a long time, the navy relied on the old 033 to dominate the world, and later rebuilt the 035, but there was no radical change. Therefore, in the 80s, the navy decided to develop a new generation of conventional submarines, which was still a key project. .

The Navy put forward many requirements: drop-shaped, seven-bladed large-slope propellers, digital display equipment, advanced weapon systems, and so on.

Wuchuan attaches great importance to this requirement, and started research and development in the mid-80s. At that time, it happened to be in contact with the West, so it also went to the West to broaden its horizons.However, for them, the difficulty was still too great, so the submarine was not launched until 94, and sea trials began in 96, and the sea trials continued until 99.

During this process, the Navy purchased a large number of Kilo-class, which shows that it is not satisfied with the performance of this submarine.

However, Qin Tao didn't know what he was dissatisfied with. He had to wait for the person in front of him to explain. After all, since they came, they must be for this submarine.

Sure enough, after hearing Qin Tao's question, Li Lianyou and Zhao Heping looked at each other with wry smiles.

"Actually, we are colleagues, that is, competitors. Normally, we shouldn't ask for help. However, we are all for the construction and development of the navy. Now we have encountered problems. I want to ask you for help, and I hope you can reach out. Come help."

"What's the problem? Don't be a fool." Qin Tao is not used to these people continuing to go around, and his time is precious.

"The biggest problem with our submarine is that its quiet performance is not up to standard." Li Lianyou said, "According to the original plan, the noise of our submarine will be 20 decibels lower than that of the previous class, reaching about 120 decibels, but in the test, It's as high as 130 decibels."

The original 033 submarine in China had a noise as high as 160 decibels, which is definitely an underwater tractor. When it was improved to 035, the noise was reduced by 20 decibels to about 140 decibels. Although it has made great progress, it is still not as advanced as the world. There is a big gap, so the 039 submarine continued to make persistent efforts to reduce it to 120 decibels, but this indicator could not be achieved!
(Readers, please don’t spray, isn’t our 039 very advanced? Why is it so noisy? There are many models of our 039, especially the follow-up models, which can be named with new numbers, but we are not so Just add a suffix to 039 all the time, it’s a way to confuse others, and now the ship in the book is the first of the entire 039 series, and its performance is really not good.)
They made great efforts to solve the noise problem of the submarine, but they still could not solve it. Thinking of the excellent performance of the submarine produced by Mingzhou Group, they were tempted. They gritted their teeth and decided to come to Mingzhou Group for help. It would be embarrassing to do so, and they can't care so much anymore, but I don't know if Mr. Qin can help them?
After all, colleagues are enemies!

"There are many reasons for the noise." Qin Tao said after thinking: "For example, whether the surface of the submarine is smooth, the shape design of the entire hull, the matching of the propeller, etc., all of which will bring noise, so if now If you come to ask me yourself, I can't give an answer immediately, and I'm not a magic stick." Qin Tao said with a smile.

Zheng Ming nodded beside him, saying that a few words can solve the noise problem of the submarine, that is nonsense.

"Yes, so, we will show you the design drawings. If necessary, you can also step on our submarine, but this requires the approval of your superiors. Old Zheng, you should have no objection?"

Zheng Ming was also dumbfounded, he was not a soy saucer yet, he still had to take responsibility for them.

"Of course there is no problem. The performance of diesel-electric submarines produced by Mingzhou Group is more advanced, which does not involve the issue of leaking secrets. Moreover, Mingzhou Group is also producing a large number of warships. They have always done a good job of keeping secrets. This is also to let The 039 submarine can enter service as soon as possible, which is the most important project of the navy."

"Okay, then let's show President Qin the design drawing." Li Lianyou said, took out a large-scale design drawing, and spread it directly on the table in front of Qin Tao.

Qin Tao couldn't help but feel that the level of domestic design departments still needs to be improved. It's already in the 90s, and they still use manual drawing.

However, considering that the design of the 039 submarine started ten years ago, it is also understandable that this design drawing may also be ten years ago.

"On the whole, there are too many protrusions on the surface of the submarine, which greatly affects the smoothness of the surface of the submarine. Especially the conning tower, why is it still trapezoidal? What is the idea of ​​this design?"

Qin Tao was a little speechless. Although he knew the wonderful design of the domestic submarine, when he actually saw it, he still had an indescribable complaint. Only when his brain was flooded could he come up with such a design. !

Below is a thick command tower, and above it is a thin one, which looks like a step from the side. The place where the thickness connects is a huge source of noise!
"Our command tower needs to install a lot of things, but we want to reduce the volume of the command tower, so we made this shape." Li Lianyou explained.

"That's why it's made into this shape? Even if the front is wrapped in, the noise will be smaller than it is now." Qin Tao said: "This kind of design shouldn't exist."

"Well, Mr. Qin is right. We shouldn't have this kind of design. It's the old way of thinking." Li Lianyou nodded.

"President Qin, how do we modify it? Do we need to cut it off? This is equivalent to a major operation, and we have to go back to the shipyard to modify it."

"If you modify it here, what about the things inside?" Qin Tao asked back.

"Yeah, there's nowhere to put the stuff inside, and that's a big problem."

"Since it has been designed, there is no other way. We can only think of other ways. By the way, have you laid sound-absorbing tiles on this submarine?"

The two shook their heads.

"Then lay a layer of sound-absorbing tiles, which should improve some quiet performance."

Nothing else can be changed, and the only way is to lay sound-absorbing tiles outside.

Li Lianyou and Zhao Heping looked at each other, and then continued to smile wryly: "Yes, if we can lay a layer of sound-absorbing tiles, the quietness of our submarine can be improved, but that submarine has already started to test in the sea If you drive back to our factory, you have to go upstream and go a long way. And, more importantly, we don’t have the relevant technical reserves for laying sound-absorbing tiles.”

Of course, the late 039 began to lay sound-absorbing tiles in an all-round way, but the first ship of the original 039 did not have this method.

"Then you need our help? This is no problem, we will give you a quotation, if it is suitable, you can drive the submarine to our dock, and we will help paste the sound-absorbing tiles."

The two were overjoyed immediately: "Then thank you very much, Mr. Qin."

"It's not too early, we are also in business. The polishing of aircraft carriers and the tiling of submarines are all the business of our Mingzhou Group, but you have to be mentally prepared. Even if you install sound-absorbing tiles, it may not be able to reduce the noise by ten decibels." , It should be no problem to reduce it by two or three decibels. Other improvement plans can be studied together after the submarine enters the dock."

"Okay, then we will contact the submarine, can we enter the dock tomorrow?"

"So fast?"

"Yes, it is currently in the nearby submarine base."

After sending the two away, Zheng Ming said with emotion: "Mr. Qin, your selfless and noble character is so touching."

Selfless?

Qin Tao was a little puzzled.

"If they can perfect the 039 submarine, it will pose a threat to your Mingzhou Group. After all, you also produce submarines. The navy needs a small number of submarines. If you continue to order from them, then your orders will be less gone."

What did Qin Tao think it was? It turned out to be this kind of concern. Qin Tao smiled: "I believe that what the navy values ​​is the actual performance of the submarine. Our performance is the most advanced. The navy should be able to keep their eyes open and see clearly. Which one is the best. Besides, even if the Navy doesn't want it, we can still sell it for money."

When he offered to help, Qin Tao didn't think too much about the competition. He had confidence in himself, and the reason why he agreed without any hesitation was of course because he saw Li Lianyou's white hair.

This is an old man who silently contributed to the conventional power submarine of the motherland. How could Qin Tao disappoint him?

Besides, if they can't solve the problem, isn't it clear at a glance who has the stronger technology when they ask Mingzhou Group for help?

the next day.

A submarine appeared in the No. [-] dock of the Mingzhou Group. This dock is an old equipment of the Mingzhou Shipyard, but it still plays an important role. Whether it is shipbuilding or ship repair, the construction period is full. of.It just so happened that yesterday afternoon, a ship repaired in the dock had just been completed, and today, it was replaced with a submarine!
Along the direction of the hull, there is a row of drainage holes. As the seawater in the dock is pumped out, the seawater between the inner and outer hulls of the submarine is also gurgling out.

Looking at the trapezoidal command tower, Kvasha shook his head again and again: "I really didn't expect that it's already in the 90s, and you guys still have this kind of design! Did you inherit it from 033?"

The original 033 submarine was this kind of conning tower, with a thick one on the bottom and a thin one on the top.This kind of design was originally made by Lao Maozi, but due to flaws, Lao Maozi gave up a long time ago. I didn't expect Dongfang to still use it.

Since the Mingzhou Group is asked for help, the elite soldiers and strong generals of the Mingzhou Group will naturally come to follow the staff. Kwasha has been engaged in submarines for a lifetime, and he is absolutely authoritative in this regard.

Hearing what Kwasha said, Li Lianyou was also a little embarrassed. Yes, they have never been able to get rid of the influence of the 033 submarine. Dare to make drastic changes.

The seven-blade large skewed propeller at the tail is wrapped, and it is easy to infer the characteristics of the underwater sound when seeing the shape of this propeller. After all, the dock is open-air and cannot be discovered by the reconnaissance satellites overhead.

"This kind of conning tower is too high, and it will affect the stability of navigation." Kwasha continued to point.

"Yes, Mr. Kwasha, your opinion is correct, but if you want to lower this point, you have to replace it with a more advanced device. In the era when we designed it, we still felt that the reliability of the photoelectric mast Probably not high."

The extra part is stuffed with something like a periscope snorkel, which can be stretched out more conveniently. Now, they feel a little embarrassed after being belittled by Kwasha, but if Speaking of design ideas, there is also helplessness.

"No, no, it's just a matter of design. Even if it's an ordinary mast, you can expand the space below and push the lifting mechanism directly to the bottom of the submarine. There's no need for such a trapezoidal layout." No mercy.

"Mr. Kwasha, if it's convenient, can we see how your submarine is designed and built?" Li Lianyou asked.

This involves commercial secrets. Kwasha did not answer, but looked at Qin Tao with a questioning look in his eyes.

"Of course no problem, we can go now. I'll show you there."

This is not something that can be learned by just looking at it. Li Lianyou has been working on submarines for half his life, so it is time for him to experience world-class submarine manufacturing technology.

So, under the leadership of Qin Tao and accompanied by Kwasha, Li Lianyou, Zhao Heping and others stepped into the submarine production workshop of Mingzhou Group for the first time.

When he walked in, Zhao Heping felt emotional: "Your factory is too clean!"

The ground is spotless, and there is no possibility of oil pollution. All kinds of equipment are neatly arranged. Walking in from this corner of the workshop starts from the plate rolling machine. At this time, the plate rolling machine is running, and the huge steel plate is slowly rolling. into a curved shape.

"Of course, we are a modern enterprise, and of course we must have strict requirements on the environment."

"The diameter is a bit big. How big a pressure shell are you going to build?" Li Lianyou stared at the steel plate, with more and more surprises in his heart.

"There are segments that have been built over there, you can take a look."

So, they walked over, the surprise in their eyes even more: "Is this a monocoque?"

"Yes, according to our plan, the manufactured submarine is a mixture of single and double hulls. This is also a feature of ours, giving full play to the advantages of the two structures." Kwasha is very proud.

This is the opinion put forward by Mr. Qin, and it turns out to be the most successful design!
"Compared with your submarines, our 039 is outdated." The expression on Li Lianyou's face became depressed.

They come here to ask for help because they can't solve the problem. At the same time, they also have expectations, hoping that their submarines can solve all the problems, and then be purchased by the navy in large quantities, even comparable to the submarines of the Mingzhou Group.

After all, they are the big brothers in the submarine industry.

But now, looking at the modern indoor factory and the advanced submarine production, he has given up hope.

"The safety of a single shell is not high." Zhao Heping wanted to save something.

"So we use [-]MPa high-strength steel."

Eight hundred megapascals!

"How is this possible? At present, our domestic submarine construction uses the newly developed 921A high-strength steel, with a yield strength of only about 590 MPa. How can there be such a steel?" Zhao Heping didn't believe it.

Qin Tao smiled: "The deck steel with the strongest performance we can produce can already reach [-] gigapascal. The steel used in submarines has undergone some changes, even if it is reduced to [-] megapascals. The strength is also sufficient."

Mingzhou Group is different from them. Mingzhou Group has its own steelmaking plant, and they also have the most advanced steel research and development institutions. They have developed many advanced steel products!Now even the iron ore is purchased directly from abroad by their Mingzhou Group, and other steel plants are simply incomparable.

After visiting the submarine production here, Li Lianyou's mood was extremely complicated. On the one hand, he was proud of having such an advanced submarine production in China, and on the other hand, he also felt uncomfortable because his submarine technology was outdated.

Back on the dock, looking at his own submarine that was about to start laying sound-absorbing tiles, he felt that there was no need to waste time, and the subsequent manufacturing of submarines would be left to Mingzhou Group.

"Lao Li, you don't have to be sad." Zhao Heping seemed to have noticed something, and said to his old partner: "Although their submarines are advanced, they have already begun to be exported. According to the requirements of our navy, the performance of their own use must be kept secret, so , their submarine navy may not like it, and our submarines will continue to improve, and they will definitely reach or even exceed the submarines of the Mingzhou Group!"

Submarines are underwater killers and the most important secret force of the navy, so they must be kept secret. The Mingzhou Group got the submarine production equipment from Lao Maozi, but the navy has no money on the one hand, and on the other hand, they don’t trust them very much. So Mingzhou Group is fooling customers abroad.

In this way, the advanced submarines produced are first handed over to foreign customers.

Now various technical parameters of the submarine will be exposed. Will the navy like it?

If the navy doesn't want it, it has to rely on military ships!
Zhao Heping is still confident.

Li Lianyou looked at the old buddy: "Brother, your idea is too simple. How could Mr. Qin not stay behind? If this kind of advanced submarine is to be exported, the self-use one will only be more advanced. Let's, I think it will be more advanced in the future." Break up, maybe I have to come to Mingzhou Group to work."

Li Lianyou had a wry smile on his face when he said this.

The Navy's first priority is performance!Why not buy a Kilo?The parameters of this kind of submarine are also known to the outside world, and Ah San is also using it. Isn’t the reason why we bought it back because the domestic products are not good enough?
"Old Li, cheer up, you are the most famous conventional submarine designer in China, 035 and 039 are all made by you, how can you be discouraged? Seeing the gap, let's face up to the difficulties and catch up and surpass. .”

Li Lianyou continued to smile wryly: "Catch up and surpass? I guess, the gap between us may widen. Forget it, don't count on it."

　PS: Thanks to book friends book friend 20221114154319025, Yu Yuwu group, l599xl, book friend 20170214120551472, Yu Luo Duan Hun, Lan Shan Pili, dung beetle without dung ball push, laughing Banxi and other friends for their rewards, thank you all book friends Subscribing and voting, the hero of East China is working hard to resume the two updates tomorrow.

　　
　
(End of this chapter)