In the development of fighter planes, a very important work is drawing, and in the old industrial base, there are a large group of draftsmen.

Mechanical drawings have a congenital beauty. For example, in aviation magazines, you can see the structural drawings of various aircraft, which is dazzling and refreshing.

It's just a thumbnail, and in the Design Institute, the designed drawings are often from a few meters factory. The rest draftsmen hold a plotter and draw carefully on the drawing board. The scene of dozens or even hundreds of people drawing together in the whole big room is also a beautiful scenery.

Now, on this three meter long flat plate, there is a huge drawing. This drawing draws a fighter plane in large proportion.

"This is our j-8-2 project." President Gu said, "we know the needs of the air force, and we also know that it is not possible to rely on foreign countries. Therefore, based on our own research, we have developed the most advanced dual engine heavy fighter in China. Please read the drawings carefully."

Air Cai Guoqing, this aircraft, Qin Guan, of course, is clear.

For the Han country, the biggest threat is the bombers from the bear country. Now the relationship with the bear country is also the most tense. The bear country may tear its face and enter a state of war with the Han country at any time.

Therefore, for the Han air force, how to defend its own airspace is the most important thing if it intercepts Xiong's bombers. Before easing relations with eagle, Han can only base itself on itself.

All the previous fighters died prematurely because their targets were too high, but the J-8 project survived because it was almost not self-developed, but an imitation and improvement project.

Specifically, the shape is very similar to MIG 21, but it is elongated. It is equipped with two turbojet-7a engines and lengthens the nose. Through such improvement, it can obtain the long-range interception capability most needed by Han.

It has a range of 2200 kilometers, which is the farthest of the Han air force. As for the Jian-7, it is only 1480 kilometers. With the auxiliary fuel tank, it will be further.

Due to the use of two engines, its acceleration performance is greatly improved, and its top speed is also increased to Mach 2.2. However, its air combat capability is completely slag.

The nose air intake can not accommodate large-diameter radar, and there is no long-distance interception capability at all. At the same time, due to the slender body and taking into account the high altitude and high speed, the mobility is very poor. The interceptors are not born for air combat at all, but just to intercept the enemy's bombers.

Even this aircraft has gone through hardships. The prototype successfully made its first flight on July 5, 1969. It lingered until the design was finalized in 1979 and began service in 1980.

Now, the most is the finalization of this prototype. Although it has been finalized and put into service, there are still countless large and small problems. Let's say that it has no all-weather combat capability at all. It is definitely a chicken rib.

Therefore, in history, there were not many jian-8 in the air force, and the main models were jian-8 2

Compared with the prototype, in addition to the turbojet-13a engine with further increased thrust, the biggest change is that the air inlet is changed to the air inlet layout on both sides of the body, so as to make room for the nose and install larger fire control radar and more electronic equipment.

Although its flight performance is not very good, it has a big head and can install advanced radar. Therefore, in later generations, although the seventh master is retiring one after another, the eighth master is still strong as the backbone.

According to the progress in history, the J-8 primary model has just been born, but now, if they continue to engage in this kind of nose intake, the air force certainly does not like it.

Who would have thought that they would get j-8-2 out.

The nose has been changed to air intake on both sides, leaving a huge space for radar. Now, there is no need for the historical model of peace project. The Han country has begun to build its own radar. It can be given to 6611 and, of course, 6601. Moreover, because its nose is larger, it can accommodate a larger radar antenna, Then it has better detection ability.

"We have contacted 114 Institute in charge of radar development. According to them, the size of radar that can be loaded on the nose of our aircraft is more than 900mm, its detection ability can exceed 150km, and the distance to find bombers may reach 200km."

What the Han country needs most is the long-range interception capability. This interception capability is closely related to the radar, and the performance of the radar is closely related to the caliber.

The larger the nose, the larger the aperture of the radar antenna that can be accommodated, and the farther you can see.

Although these statements are somewhat exaggerated, they haven't been installed anyway. Maybe the performance can be improved after they are developed?

This picture looks quite smooth. Of course, Qin Guan knows that painting is a basic skill in 6601 Institute. They often hold painting competitions to see who is more beautiful.

Yes, it's important to design the aircraft structure, but it's more important to look good at the pictures. This is face engineering. Now, this beautiful picture has indeed attracted the attention of the senior air force.

Unfortunately, they only look at whether the lines are smooth. Don't they see how stiff the grafting is?

Last year, Qin Guan visited MiG-23 together. At that time, Qin Guan didn't like MiG-23, so he exchanged raptors and blue sharks to realize the great leap forward of his aviation industry.

Now, the Raptor project is progressing smoothly, but the blue shark has made no progress, and these people will play smart and directly graft the nose of MIG 23 to the J-8 fighter.

Look at the air intake on both sides, how stiff, and then look at those stress beams, which bend gracefully. Can they bear it? The fighter is a highly mobile flight and must not be disintegrated?

"In this way, one of our J-8 fighters can play the role of two raptors. Moreover, our aircraft and technology are quite mature. The prototype of the J-8 has been finalized. We can make this modification in one year. As long as the funds are in place, we can soon complete all its improvement projects. I can make a military order."

President Gu's face was shining. After all, it was just to change the nose. Soon, the back was done well, and the front was all right.

The air force needs high-speed long-range interceptors. Although the Raptor looks more beautiful, what's the use? No one can see far, no one can fly fast!

"Well, this plan can be discussed at the meeting of the Ministry of aviation industry, and we should also discuss the development of air force equipment." minister Mo present has made a decision.

The equipment is from the air force, but the meeting is to be held at the Ministry of aviation industry, and some technical experts need to demonstrate. 6601 takes advantage of such a meeting, because they are very familiar with the people inside.

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