Riverside police

At three o'clock in the afternoon, Han Yu drove a police car to Pier 5.

Dongdong couldn't care less about repairing the tugboat with the masters, so he jumped ashore and asked happily: "Second uncle, are you here to see me?"

"Get in the car and take you to open your eyes."

"What eye-opener?"

"You'll know once you go there."

"I'll wash my hands first."

"hurry up."

"yes!"

Dongdong turned around and said hello to the masters of the tugboat team. He ran to the faucet and washed his hands with soap. He didn't even bother to change his clothes. He just wore the inspection clothes that Han Yu wore when he worked at the Smuggling Crime Investigation Branch. Open the door and get in the passenger seat.

I don’t know if it’s because Hanhan is a girl. Han Yu doesn’t have high expectations for his daughter. He only hopes that his daughter can be happy and safe. Instead, he has high expectations for his nephew Dongdong. As for Xunxun, although he is a biological nephew, maybe because the time together is very short and Xunxun is still young, there are no expectations.

He held the steering wheel while driving and asked with a smile: "Is the full-swing tugboat easy to drive?"

"It feels similar to driving an excavator. There is no steering wheel and all the operation is done by the handle. I was really not used to it at first, but now I feel fine."

"Fighters also don't have steering wheels and are operated by joysticks."

Dongdong said with an embarrassed look: "Uncle, I have been studying theoretical knowledge, and I have never been on a plane until now."

Han Yu asked curiously: "Have you seen it before?"

"I've seen them before, I see them every day, but they are all old aircraft, and they are old-fashioned trainer aircraft."

"Don't be in a hurry, take your time."

"I'm worried about being eliminated. The leader said that the elimination rate in previous sessions was very high."

It is more difficult to become a pilot than to become a pilot. The requirements for physical fitness, mental fitness and adaptability are too high. It’s embarrassing to think about how it’s hard to get recruited, but in the end you can’t become a pilot.

Han Yu could understand his nephew's mood and said with a smile: "You are a commissioned trainee selected by the Navy. You are different from those air force pilot students. If they fail the assessment, they can only study aircraft maintenance. You have a way out, you can go to the Naval Aviation Academy to study If you want to fly a helicopter, you can also go to the navy's naval academy to learn ship driving or engineering skills. There's nothing to worry about, as long as you try your best."

This is the advantage of having "relationships". At least you have more choices than others.

Dongdong couldn't help but smile and said: "Uncle, actually I never thought about learning to fly a fixed-wing aircraft. I just wanted to learn to fly a helicopter from the beginning."

His father worked in the Donghai Salvage Bureau.

The Salvage Bureau imported two helicopters from abroad. It was when he saw the helicopters at the Salvage Bureau that he wanted to be a pilot.

Han Yu couldn't help but think of Shen Zheng's helicopter flight brigade, and reminded him very seriously: "Dongdong, although I can't fly a helicopter, I have seen ship-based helicopters and talked with the pilots of ship-based helicopters. People It is said that flying a ship-based helicopter is no easier than flying a jet fighter. Taking off and landing on a ship is very dangerous, especially in bad weather. If you are not careful, the aircraft will be destroyed and people will be killed!"

"I know."

"It's good to know. Your parents are just a child like you. Don't let your parents worry. You must learn theoretical knowledge well and don't relax in physical training. When you go on machine training in the future, you must listen to the instructor and always think about safety. .”

"knew."

"Stop talking, or you'll find me annoying." Han Yu didn't want his nephew to ignore him in the future, so he immediately changed the subject and asked half-jokingly: "Dongdong, are there any female students in your school?"

Dongdong asked subconsciously: "Why are you asking this?"

"When I was your age, I was engaged to your aunt. If you went to an ordinary college and there were suitable girls, I would encourage you to fall in love. But you didn't go to an ordinary college, you went to a military academy. Moreover, it is an Air Force flying academy, so you must put learning first and practice hard on flying skills. This is not only responsible for the country, but also responsible for yourself."

Even if we don’t talk about it anymore, we still have to talk about the results.

Dongdong suddenly remembered Tang Seng in the Hong Kong movie "Westward Journey". Just when he felt that his uncle liked to nag just like Tang Seng, Han Yu continued: "What's more important is that when you put on a military uniform, you are a soldier, and it is your duty to obey orders. Who can I don’t know which unit I will be assigned to after graduation. If we negotiate now, what will happen if we can’t be assigned to the same unit by then?”

"Uncle, don't worry. I haven't thought about falling in love for the time being. Besides, there aren't many female students in our school."

"You really haven't thought about talking about it?"

"Really not!"

"I feel relieved. There are many beautiful and sensible girls. When you graduate in the future, I will introduce you to you. Besides, when you actually become a pilot, what kind of girlfriend can't you find? As long as you get married, Girls can be specially recruited into the army. Unlike ordinary military officers’ families, they must meet certain conditions before they can join the army. After joining the army, it is difficult to arrange a job.”

"My mother said the same thing, but I really haven't thought about it."

"It's good to concentrate on studying."

Han Yu smiled and stopped nagging.

The police car sped eastward along the riverside road and drove out of the port area in the blink of an eye.

Dongdong looked at the unmelted snow on the roadside and asked curiously: "Uncle, where are we going?"

"Don't worry, you are a naval flight cadet, so you have to keep your composure."

"It's mysterious. Is it interesting to sell it off?"

"Interesting, hahaha." Han Yu turned on the turn signal and drove the car into a small road.

After turning left and right, and several turns in a row, the police car drove to the riverside again.

Dongdong looked at the unfamiliar yet somewhat familiar scenery outside, and suddenly remembered where he was: "Uncle, is this the dock of the shipping school?"

"I thought you didn't know. Have you been here before?"

"I've been here twice, but I forgot who I came with." Dongdong rolled down the window, looked outside and thought about it before saying, "The port area has changed a lot, but not much has changed here."

"Nothing has changed now. In a few years, there will be big changes."

"Is this going to be developed and a big dock built?"

"The Maritime College will be moved to the development zone. When the new campus under construction is completed and put into use, the old campus will be sold to developers by the city for real estate development, and the terminal will also be sold to a large company."

There is a large warehouse at the shipping college dock. One military vehicle and three cars with local license plates were parked at the entrance of the warehouse.

As soon as Han Yu parked his car, Feng Qingshan, acting political commissar of the Naval Rest Station and political commissar of the Binjiang Naval Reserve Rescue Ship Brigade, came out of the warehouse to greet him.

"Han Bureau, Professor Hu, Professor Liu, Teacher Xia and Teacher Wang are all inside."

"Sorry to keep you waiting."

As soon as Han Yu finished speaking, Dongdong quickly stepped forward and stood at attention, saluting: "Hello, Political Commissar Feng!"

Feng Qingshan raised his hand and returned the salute, and couldn't help laughing and joked: "Isn't this a pilot? Why are you here too?"

"My uncle brought me here, Political Commissar Feng. I'm not a pilot yet, I'm a flight student now."

"You will be a pilot after graduation. I have confidence in you."

Dongdong was the youngest soldier in the commando team during the 1998 flood fighting and rescue operation. Feng Qingshan was deeply impressed by him. He patted his arm and led him and Han Yu into the large warehouse.

Teachers Xia and Wang from the Department of Navigation of Binjiang Shipping College, Qian Shiming, chief of staff of the rescue ship brigade, Qin Weiquan, director of the political department, Yang Bin, the "young boss" of Longsheng Shipbuilding Industry, and Huang Yunxi, chief engineer, deputy general manager and general manager of Linghai Underwater Engineering Company Engineer Pang Xingmin was visiting a huge, rusty life-saving bell with two professors invited by Feng Qingshan from the Naval Engineering College.

Han Yu exchanged pleasantries with the two professors and asked, "Professor Hu, Professor Liu, have you seen this guy before?"

"Even though we are engaged in equipment research, we have never seen this guy before."

"how do you feel?"

"The equipment was developed in the 1970s, and it was developed by trial and error. Even if you don't look at the drawings and parameters, you know that the technology is not mature enough."

As soon as Professor Hu finished speaking, Professor Liu squatted down and touched the lower edge of the life-saving bell, and said solemnly: "The sealing is directly related to safety. It can be seen that the sealing of this guy is worrying."

"Huang Gong, what do you think?" Han Yu turned around and asked.

Pang Xingmin, chief engineer of Linghai Underwater Engineering Company, hesitated and said: "Underwater docking depends entirely on divers. With such a large volume, the weight will definitely not be light. It is not easy to rely on divers to adjust the position and angle underwater. If docking is done in the river, It's okay, but when it comes to docking in rough seas, it's a miracle that we can dock safely."

"Although this lifesaving bell has shortcomings of one kind or another, it fills the gap in the navy's submarine rescue and lifesaving equipment, and at least solves the problem of whether or not it exists."

Han Yu walked up and stroked the rusty life-saving bell, and then said: "Compared to surface and underwater ships, the urgency of upgrading and transforming submarine rescue and life-saving equipment is lower, so we have the opportunity to undertake such an important research and development task. Municipal Party Committee The city government attaches great importance to our submersible rescue and rescue project. The two million yuan promised to us has been received, and the next step is up to us."

Feng Qingshan smiled and added: "Professor Hu, Professor Liu, teachers and bosses, in addition to the two million supported by the city, our brigade has also raised half a million in funds, and the head of the East China Sea Fleet has squeezed out precious military expenditures. Two hundred thousand dollars was paid into the account of our dormitory."

It’s easy to do it if you have the funds!

Professor Hu was very happy to participate in such a scientific research project and couldn't help but asked with a smile: "Han University, Political Commissar Feng, how do you plan to upgrade it?"

"This life-saving bell is just a sample as a reference. It has been in service for nearly 20 years and has no value for upgrading. We plan to design based on it first, wait for the design plan to be demonstrated, and finally build it."

"Do you have a general idea?"

"have."

Han Yu briefly introduced the idea of ​​​​upgrading and transformation based on his experience in participating in the transfer of big sharks and various information collected in the past six months.

For example, an underwater TV monitoring system is installed on a new lifesaving bell, and underwater surveying and mapping equipment is installed on the mother ship. New technologies that have emerged in recent years can be used to reduce the workload of divers underwater as much as possible, thereby reducing the risk of rescue and rescue operations. etc.

The principle of the rescue bell is very simple. It is to put it underwater, buckle it above the malfunctioning submarine, use sealing technology to connect with the hatch above the submarine, and then open the hatch to rescue the crew members trapped in the submarine. In other words, only the sealing issue needs to be addressed.

In contrast, how to safely dock the lifesaving bell with the submarine in bad weather is a difficult problem.

The two professors agreed that the idea of ​​​​the rescue boat brigade was fine. As they were discussing the drawings and objects, Han Yu added: "I almost forgot that the new equipment we are developing will not only undertake submarine rescue and life-saving tasks in the future, but also It must be able to undertake the task of rescuing a wrecked civilian ship, so it must be considered that the lifesaving bell can be docked with the hull of a cargo ship or a passenger ship, and the lifesaving bell must have the ability to cut the hull steel plate of a wrecked civilian ship."

"Dual use?"

"It is said that raising troops takes a thousand days but only a short time. After the new life-saving bell is developed, the Navy may not be able to use it for decades. We cannot let such equipment idle. Moreover, the city has also provided research and development funds."

"Han Da, if it is just for rescue submarines, it is much easier to design a new lifesaving bell. After all, the navy currently equips only a few types of submarines. If you want it to be used both military and civilian, then the design difficulty will be high. Not to mention civilian ships. There are many types of ships, and even if they are the same ship, the curvatures of the bottom and side hulls are different.”

Professor Hu agreed with Professor Liu's point of view and emphasized: "Even the shapes and curvatures of the front, middle and tail of the bottom of the boat are different. It is not easy to make the life-saving bell stick to it like an octopus."

"Salted fish, we also need to take into account the marine life on the bottom of the ship. As long as it is a sea-going ship, there will be shells such as barnacles on the bottom of the ship. When the sea-going ship is docked for overhaul, it cannot be flushed away by high-pressure water cannons alone, and manual shoveling is required. , the cleaned marine life can be loaded into trucks. And rescue is about grabbing time, how to clean it underwater?"

"Then there is the need to cut the ship plank underwater. Only by cutting the ship plank can a life-saving channel be opened. But how to cut it underwater? There are rescuers in the life-saving bell, and they must give oxygen. It is definitely not realistic to perform gas cutting in the life-saving bell. , should I use a cutting machine to cut it?"

"How can I use a cutting machine to cut steel plates? When I cut a hole in the hull, the day lily will be cold!"

…

The people in the warehouse are all experts.

They raised more than a dozen technical questions in succession.

Han Yu had considered these technical problems. When he saw the experts and teachers raising them, he said with an embarrassed look: "So we have to organize technical research to solve these problems."

"Han Da, this is not about solving one technical difficulty, but about solving a series of technical problems!"

"Professor Hu and Professor Liu, it is because of the difficulty that we asked you two to come here specially."

The two professors were unable to get off the rack, so they could only smile bitterly and nod to continue their research. They planned to break down a series of existing technical problems and then find ways to invite qualified and capable units to help solve them.

Dongdong was stunned and finally knew what his uncle wanted to do.

At the same time, I am very excited. You must know that although the submarine rescue and rescue project is "unpopular", even if it can successfully solve the series of technical problems, it may not be able to be used. But if you are not afraid of 10,000, you are afraid of the contingency. What if you need to use it? This technology must be available, and new equipment must be developed.