Qin Guan inexplicably remembered the man, who was also captured by the holy country. At last, it seemed that he was replaced by a spy of the holy country. After returning, the prisoner was also awarded the title of hero of the bear country. Then, he stepped into the political arena, ran for president with someone as a partner, and became the vice president of the bear country, This man also created a miracle. It is said that he was captured twice? Where was the second time? Qin Guan didn't know.

In short, if it is this person, his own rescue plan is very simple. In the past, according to the historical plan, exchange can be done, and in the future, it can be used. After all, after the disintegration of the Xiong state, the relationship between DA Mao er Mao and the Han state is very good.

Now, thinking of this, Qin Guan immediately nodded and promised: "it's no problem. I'll go to the holy country recently."

If you are an ordinary person, you don't need Qin Guan to go out. Now that you are this person, of course Qin Guan should go and have a look. It's best to have some relationships and get familiar with your face.

Besides, Qin Guan has not been to the holy country for a long time. This time, he happened to go out and walk.

"That's great, Mr. Qin. We are willing to pay some price in order to let our pilot comrades return home." Boris said, "go and find out what the holy people want to offer us first."

After all, he was a businessman, and his voice was like this. Qin Guan nodded: "OK, no problem at all."

After some deployment, Qin Guan took an airliner to the holy country. This time, Qin Guan took an mpc-75 airliner. As a regional airliner, this airliner just performs the task of this route.

The passenger plane looks very beautiful. It has a supercritical wing with small wing tips upturned. Below it is hung an engine produced by Han. The fuselage is somewhat short and thick. According to the plan, there are three versions with different lengths to meet the needs of different passengers. Now this one is an early short body.

The internal space is relatively compact. After all, the flight time of this airliner will not be too long. Most of the internal seats are economical. After Qin Guan went up, he went to the business class in front, which is more spacious.

Qin Guan took these planes in person, naturally to prove the safety and reliability of this plane. Now, Qin Guan is on the plane, communicating with Tu Lao and others who went with him.

"Our j-14 fighter is already a mature fighter. Especially now, it has been tested in actual combat and confirmed its excellent characteristics. However, this fighter will never stop here. We should continue to improve it." Qin Guan said to Tu Lao.

Tu Lao also went at the invitation of the holy country. In China, Tu Lao's main energy is focused on the j-14 fighter. This time, the j-14 fighter finally ushered in the battle. It is also very necessary to sum up the experience and lessons in the past and continue to develop the potential of this kind of aircraft.

"Yes, we should continue to improve it," said tu. "now, we are trying to improve its stealth. However, limited by its body size, it is impossible for us to set up a built-in bomb compartment. Therefore, the stealth of this aircraft can not be the highest. It can not reach the standard of the fourth generation aircraft. It can only be regarded as three and a half generations at most."

Hearing Tu Lao mention this word, Qin Guan is also interested. Now, the third generation aircraft has begun to be widely popular. At the same time, capable aviation powers are also moving towards the fourth generation aircraft. However, it is not easy to build a real fourth generation aircraft. In order to make a momentum, everyone explains that their aircraft has potential at the same time. Therefore, they call the aircraft the third generation and a half.

Tu Lao is naturally the same. It is definitely easier to sell the j-14 into a three-and-a-half generation aircraft.

"It's good to only be partially invisible," Qin Guan said. "Besides, our launch method is also good."

The real stealth aircraft should have built-in missiles and use the internal bomb compartment. In this way, when the bomb compartment is opened, the stealth effect will be destroyed. Moreover, in medium-range air combat, it is not too chicken. After all, it is OK to open the bomb compartment and shoot missiles. However, in close combat, it depends on the opportunity to find qualified combat opportunities. Then, The missile's capsule should be opened in advance. At this time, the launch is cumbersome and definitely not as simple as it is now. Especially for infrared combat missiles, it is not easy to lock the target with infrared seeker in the capsule. It can only be locked after going out, which is easier to delay the fighter.

Therefore, now that the missile is partially stealth, it is still plug-in. It is enough to make the pylon or something with stealth effect. It is best to reduce the radar reflection area as much as possible, but not give up everything else completely for it.

Tu Lao nodded: "yes, this is our current idea. It would be better if our missile shape could be invisible. However, it requires the cooperation of relevant departments, which is not what we can decide. On the other hand, we hope to improve the thrust of the current engine."

Turbofan 13 engine was developed on the basis of f404 in China. Qin Guan adopted the most direct way to develop this engine and exchanged the production line of f404 engine. Even with the production line, it took a long time to realize stable production in the exploration of various blank production and processes.

At present, this engine is only for j-14 fighters. However, this engine still has great potential to be tapped. An excellent middle push plays a great role. For example, without afterburner, this engine can be widely used in various UAVs, and the thrust is just right.

With the improvement of the j-14 fighter, it also needs more powerful power. Therefore, it is an urgent task to improve the current turbofan 13 engine and increase its thrust with the same size.

At present, the maximum afterburner thrust of turbofan 13 is less than 8 tons. If it can be increased to 9 tons or even 10 tons, it can give the new machine good performance! After the improvement of stealth, it is bound to face the increase of resistance, and the engine needs to increase thrust to adapt.

In fact, this also meets the objective law of military aircraft development. In the process of continuous development and modification, any military aircraft will face weight gain and other conditions. It needs higher engine thrust to improve its performance. At the same time, the continuous development of the engine will also improve its power.

Qin Guan saw that this problem should be solved, which is equivalent to the process from f404 to f414.

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