Jing Hailin's eyes swept over them one by one and said, "I know your hearts are full of questions, what are you summoning here for?" Now I can tell you that we are going to be involved in a great and glorious cause, building nuclear submarines. ”

They couldn't believe what they were hearing?

"But we won't!" Ding Guoliang said after calming down.

It is a dream to be part of this great cause, but the reality is clear!

It doesn't matter whether they can participate or not, the most important thing is not to delay the major events of the motherland.

"So you have to learn, to be honest, I won't either, and I will also learn with you." Jing Hailin looked at their energetic young faces and said, "Now let me briefly explain what this thing is?" In 1954, US imperialism built the world's first nuclear submarine. The Nautilus was launched, and in the following three years, it had a total range of more than 60,000 nautical miles in the sea, which is equivalent to a circle and a half around the earth, and it is particularly noteworthy that most of the voyage was completed underwater, and it was not until 1957 that the Nautilus changed its fuel rods for the first time, that is, added new nuclear fuel. For more than three years, only a few kilograms of uranium were consumed as nuclear fuel. ”

"Hiss......" The students gasped, most of these students graduated from naval schools or shipbuilding, so they knew very well what this meant? If diesel fuel is used, it will require nearly 100 train wagons to pull it.

Jing Hailin continued, "After the 'Nautilus', the improved 'Ray' nuclear submarine first successfully crossed the Atlantic, and then completed the feat of crossing the Arctic Ocean from underwater. ”

The students listened with both hot eyes and envy, when will we be able to launch our nuclear submarine and cruise in the ocean.

"A nuclear submarine is a type of submarine that is designed with a nuclear reactor as a power source. The Nautilus', with a length of 90 meters, a displacement of 2,800 tons, a cost of 55 million US dollars, a maximum speed of 25 knots, and a maximum depth of 150 meters, theoretically it can sail underwater for 50 consecutive days at maximum speed, with a range of 30,000 nautical miles, without adding any fuel. The boat was equipped with self-guided torpedoes...... In 1960, the United States imperialists successfully launched the world's first submarine missile, called the perfect combination of the 'Polaris' submarine missile and the nuclear submarine, the Polaris submarine has been equipped with the USS Washington nuclear submarine, and began to serve in the US military. The second nuclear strike capability of the US imperialists has been greatly enhanced, and the first nuclear strike has blown you down, but I have submarine missiles underwater, and you can't blow them up, and I can still carry out a nuclear counterattack the second time, so I have the second nuclear strike capability. Jing Hailin wrote down a series of formulas on the blackboard, patted the chalk in his hand and said, "I am afraid that the difficulties we face are here, the United States imperialism built nuclear submarines on the basis of nuclear reactors, and it took 10 years, and the first nuclear submarine was launched in 1954, and it has experienced the trilogy of "conventional power drop type - nuclear power conventional type - nuclear power drop type". The Soviet Union was even more bumpy, with a six-part cycle of twists and turns. "And we don't have that much time left." ”

"There are no difficulties to go on, and we have to go up even more if there are difficulties."

"Teacher, what do you say! We listen to you. ”

Jing Hailin looked at these enthusiastic children and was very pleased, "We want to thank our ancestors for finding a way forward for us." ”

As early as 58 years, the high-level decided to build nuclear submarines, and the development and preparatory work was carried out in an intense and orderly manner.

Although the shelves were fought, a few years ago, it was not easy for the country to even find a tractor, the level of science and technology, the industrial production capacity was low, and the greater difficulty was the lack of relevant talents and professional knowledge, and there was no information at hand for reference.

Experts are a little stronger than Lao Zhan in that it is not a submarine + mushroom bomb, but that if a nuclear reactor is installed on a conventional submarine, it is a nuclear submarine.

However, this is not the case at all. When it comes to ideals, the predecessors are full of pride, but looking at the reality, they are poor and white. The nuclear submarine is like a dream that cannot be caught, what it is like, no one has ever seen it; No one knows what the structure is inside, the only thing they know is that it is powerful.

Without accumulating knowledge, they searched for needles in a haystack, searched for clues, and searched for relevant information in the vast number of newspapers and magazines abroad, looking for highly confidential relevant information. Bit by bit, I went to find information.

However, these are not enough, and the lack of technical talents has made the seniors have to start classes, teach first, and then research.

After making a bad relationship with Lao Maozi, I couldn't find any information in Russian, so I found it in English, and it took two or three years like this, and dozens of laymen became insiders.

Hard work pays off. At one time, someone brought back from abroad two model toys of the American nuclear submarine "USS Washington". When the seniors dismantled and disassembled the toys, he was excited to find that the dense equipment inside was basically the same as the design drawings they had deduced half from scattered information and half from imagination.

No matter how cutting-edge things are, they are all developed and innovated on the basis of conventional equipment, which is not so mysterious.

At the first glance, 157 key technologies and 254 experimental topics were explored, which laid a solid foundation for the follow-up research and development work, and also understood the difficulty of developing high-precision weapons.

However, the national economy has encountered serious difficulties, and the scientific research work to support a number of cutting-edge projects at the same time seems to be overstretched, and the development of nuclear submarines has been forced to be temporarily suspended.

Although the research and development work has been temporarily suspended, the research and development of the core nuclear power plant and the overall design of the submarine are still secretly tackling key theoretical problems and conducting scientific experiments.

However, the two-year movement that has been suspended has reached a climax, many old experts have stepped aside, there has been a serious loss of talent, and they have to recruit troops, reorganize, and re-study, and some are even college students who have not yet graduated.

Even if Jing Hailin learns from scratch, he is here to be a student, and if he has questions, he has to ask everyone, and his mind is there! Very sober, quick thinking, broad vision, faster than anyone else.

In his many work, he first focused on nuclear power units, the miniaturization of nuclear reactors, which had already been designed by his predecessors.

What he thought of was that the nuclear submarine needs a natural water circulation pressurized water reactor, and the advantage of this pressurized water reactor is that when sailing at low speed, the fuel rods do not need to be dissipated by external force at all, and the heat must be turned on to prevent the core from melting, but the problem is that the noise comes up again. And Jing Hailin wants to overcome this problem, that is, the problem of sound elimination.

The solution of the silencing problem means that the submarine has good concealment!