"President Qin, you are frightened." a police chief said, "this is our negligence. We have followed these people for several days. When we learned that they came to Swan Castle, we knew it was bad. Unfortunately, we still didn't stop them as soon as possible."

No wonder the police came so fast. In fact, they have been following these guys all the time.

At this time, there was only cleaning the battlefield. Thinking about the experience just now, everyone was sweating. Qin Guan secretly called luck. He brought his wife, children and the old man. He came abroad to play. He was definitely not looking for abuse.

Take another look at Chen Rui, an excellent test pilot, which is the most precious thing in the country. If he has any shortcomings, he will feel even more ashamed.

"Where's Kelly? How's Kelly?" at this time, Chen Rui suddenly asked the woman again. Hearing Chen Rui's question, Qin Guan's face was even worse.

Kelly? If it weren't for this woman, we would have dodged at the first time. What's the dirty bomb? What's our business?

Qin Guan was very dissatisfied: "it's still very dangerous here. Let's go."

Chen Rui looks back and sees that the police are constantly escorting people out of the hall. He doesn't see Kelly.

"Let's go."

Qin Guan said.

The crowd followed Qin Guan and left in the vehicle provided by the police.

At last, Qin Guan used his spirit to harvest. Unfortunately, he didn't harvest in time. He planned to harvest again when the police came in. As a result, he was a step slow, and let the last member of the so-called urban guerrillas start. Fortunately, these people lost consciousness at the last moment and were killed by snipers, So no one will doubt themselves.

This experience is really breathtaking.

"Mr. Qin, the superior gave instructions and asked you to return home." sure enough, Xiang Jing came to report just after settling down in a safe place.

Qin Guan's safety is of great importance, especially this time with his wife and children.

When Qin Guan went abroad, the first thing was to complete the project with Hans. The project was completed beautifully. He defeated phantom 2000 and F16. Finally, others had nothing to say and could continue to promote the project.

The second thing is to travel with my family. Now I have traveled. Although I am not very happy, how can I continue to travel after such an accident?

Hearing Xiang Jing's words, Qin Guan couldn't help sighing. I also wanted to go to the chicken country and see the Arc de Triomphe. There must be a lot of spiritual power left in the Arc de Triomphe. I can absorb more spiritual power to improve the upper limit of spiritual points. Now, all these have come to naught. If Qin Guan wants to go, the domestic leaders will not agree. The safety of Qin Guan is very important.

There are many comrades on the secret front to protect Qin Guan. The safety of Qin Guan could be guaranteed, but who could have thought that there would be all kinds of accidents?

For example, this time, the so-called urban guerrillas took their own side by surprise. No one expected that such people would appear.

Therefore, Qin Guan can no longer stay abroad. He must leave Europe and return to his motherland.

Moreover, it is now in the Hans state. Due to the agreement reached with the Hans state, the Hans attach great importance to Qin Guan, but the chicken state is different. Now the people of the chicken state want to kill Qin Guan, a troublemaker.

Therefore, if Qin Guan proposed to go to the chicken country at this time, I'm afraid he would not get approval.

"Well, let's go home," Qin Guan said.

After going back, I can just try the latest production line cemetery, and exchange the production line of f404 engine.

Every time, Qin Guan couldn't enjoy himself. This time, with regret, he returned to China. After living in the capital for a few days, he immediately went to plant 4430.

The R & D of the modified Spey engine has been completed. Therefore, the technical experts of NiuGuo Luoluo company have also gone back. Almost all the original researchers in the 4430 plant are now.

Of course, we all know that there is a huge gap between the engine field and foreign countries, so the scientific researchers are working hard. Almost all of them spend the new year in the engine factory, and we are concentrating on the research of the three generations of engines.

A qualified engine is not only the design, but also the material. If there is no qualified material, there will be no qualified engine.

Domestic material experts almost stayed in 4430 plant to contribute to the development of new engines.

When Qin Guan arrived here, he just caught up with the ignition of the new core machine.

If we are developing an engine, the first thing to do should be the core machine. With the core machine, a series of engines will appear.

For example, take this engine for example. The Eagle Air Force instructed Ge to develop f101dfe on the basis of F101, so there was F110 series. At the same time, the CFM company cooperated by GE and jiguosaifeng has developed CFM56 series engine with F101 core engine.

Therefore, later generations have a new saying that the heart turbofan-10 of the domestic third-generation aircraft has a great relationship with F110.

After the 1980s, after the introduction of Boeing 737 in China, cmf56 engine entered China's civil aviation. To some extent, the core aircraft of F110 came in.

It is said that the core engine of ws10 engine comes from the core engine of CFM56-3, that is, the core engine of F101, and F110 engine is developed from F101 engine. Therefore, in a sense, ws10 engine and F110 engine are cousins of the same master

Despite the rumors, the basic structure and parameters of Taihang engine are very similar to F110. They are the design schemes of three-stage titanium alloy wide chord fan, nine stage high-pressure compressor, single-stage high-pressure turbine and two-stage low-pressure turbine, that is, the structural form of 3-9-1-2.

Looking at the design indicators, some key parameters are also very similar. The first is the channel ratio, the second is the fan diameter, and the third is the intake flow,.

For example, the culvert ratio of F110 engine is 0.87, the culvert ratio of ws10 engine is also more than 0.8, the fan diameter of F110 engine is 970mm, and the fan diameter of Taihang engine is more than 950mm. The maximum air flow of F110 engine is 122kg / s, and that of ws10 engine is more than 120kg / s

However, if direct mapping and reverse research belong to knowing it but not knowing why, it will take a long way to find out why it is so designed.

Specifically, Qin Guan doesn't want to delve into it. After all, it's a matter of the future. Now, we have first-hand F110 design data. We can learn from the positive. Are we afraid we can't get it out?

Hearing that the core engine was ready to ignite, Qin Guan was also very excited and followed him to the test bench.

At this time, Qin Guan couldn't help thinking about the test run of turbofan-6. Unfortunately, if they can seriously engage in scientific research, what about giving them f404?

Now Qin Guan really dare not, for fear that they will destroy the project.

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