Chapter 730

“Brother Kai, I am here…”

“Brother Kai, the base asks us to gather here, what’s the matter?”

“Brother Kai, Lao Wang, are they cramping? We can take the train back by ourselves, and the plane will be wasted…”

At the Capital International Airport, a group of young people wearing uniform red down jackets with the word “Dongfeng” embroidered on their chests gradually gathered in the waiting hall, causing many passengers to stop and watch.

Uniform clothing is too shameless.

And it’s an expensive down jacket.

Liang Yao and the others opened their eyes wide, unexpectedly Xie Kai was the leader of this group of young people.

“Everyone pays attention to discipline. We represent the image of the unit outside!” Xie Kai rectified the discipline. Seeing these familiar faces, after half a year of college, he was still childish, but calmed a lot.

Then he pointed to Liang Yao and others behind him, “Familiar yourself, these are classmates in my dormitory, and they are also ours…”

“Hello, my name is Mao Wenfeng, and I am the aircraft designer of the University of Aeronautics and Astronautics. Just call me Maozi.” Mao Zi took the initiative to reach out to Liang Yao.

Others also greeted each other. When Xie Kai didn’t speak before, almost no one paid attention to Liang Yao and others.

The children of 404 have always been very exclusive.

“Okay, everyone is over, Maozi, gather the team and prepare to board the plane.” Xie Kai shouted to Mao Wenfeng, who was talking to a few people around him.

Mao Zi went to the University of Aeronautics and Astronautics, and Xie Kai was a little surprised at first, thinking that he went to Huaqing, it didn’t feel weird.

In theory, all the original regrets will never appear again.

“Which flight? The broadcast didn’t inform which flight was boarding. Besides, we didn’t change the boarding pass…” Liang Yao and several others asked Xie Kai in a low voice when they saw other people queuing towards the boarding gate.

Maozi gave him a hand, “Just follow. Let’s take a plane, we don’t need a ticket, we have our own plane.”

“Really?”

Liang Yao couldn’t believe it.

You can get old nose money for one flight.

At the boarding gate, Mao Wenfeng and Wang Xiaole counted the number of people, and then watched them get on the shuttle bus to make sure that their people got on the plane and that no people outside would get on the plane.

“Yun ten?” Liang Yao asked.

He has heard the name of Yunshi many times, but has never seen it before, let alone sit on it.

Now I’m directly below Yunshi, and I’m a little fascinated.

“Of course! This is the second prototype built by our company for flying.” Mao Zi said triumphantly, “Domestic! Big airplane!”

“Boss, this plane is really made by our country? Doesn’t it mean that our country can’t make it?” Cheng Xiaofeng asked.

He doesn’t know about airplanes, but there have been many reports in the newspapers about the Yun-10 project.

Later, there were basically no reports about Yunshi in the newspapers.

Originally, I could ask Xie Kai everything, but now, I find that Xie Kai’s identity is not as simple as they thought, so I am embarrassed to ask Xie Kai again. Didn’t I see that Xie Kai is thinking about things all the way?

“Who told you that our country can’t make it? Although there is still a certain technological gap compared with foreign levels, and even the service life is quite different, all the parts of this aircraft are all manufactured by our country’s units. “Mao Wenfeng proudly introduced the situation of Yunshi. “At the beginning, because the country could not spend money for follow-up improvement and test flight, the Yunshi was dismantled. Our unit took over and continued the test flight and improvement. The third one that can fly, now it is estimated. It’s all about to be produced…”

The others listened carefully.

This unit is likely to be their lifetime work unit in the future.

Until they got on the plane, there were more than fifty people on the plane, and there were a large number of empty places, Liang Yao and others had not calmed down.

Feeling that Yun Shi was getting faster and faster on the runway, he gave a slight shock, and then looked outside, he had separated from the runway and flew towards the sky.

Liang Yao and others were all on the plane for the first time. They were very nervous, looking at the people around them, and compulsively calmed down.

Even if he had countless questions, he couldn’t ask.(Read more @ wuxiax.com)

What is the purpose of Xie Kai’s unit?

Is it really possible to reveal the mystery of this unit for them now?

According to Liang Yao’s understanding, it was impossible for Hongqi Machinery Factory to let them know the real situation while they were still in school.

The confidentiality unit has the principle of a confidentiality unit.

Until the plane landed, Liang Yao didn’t want to understand what the other party’s purpose was.

“This is not a civil aviation airport?” Liang Yao came down and saw the scene around the airport. It was not like the Capital International Airport. There were several larger airplanes around, but there were no signs.

“Qin Fei’s test airport.” Xie Kai explained to everyone, “This time our unit organizes everyone to learn about some of our unit’s related industries. So that everyone has a clear goal when they study.”

“Really?” The crowd was surprised.

Liang Yao and others, you look at me, I look at you, don’t know what’s going on.

“Tonight I will rest in Qin Fei Guest House. Here are our Yunshi design team and assembly workshop. Tomorrow we will visit the aircraft design process, testing process and final assembly production line, and visit the large press workshop the day after tomorrow…” Xie Kai The itinerary gave everyone a brief introduction, “Okay, let’s get on the bus.”

“Are you leading the team yourself?” It was the vice president Cheng Weishi who came to pick up the crowd.

“President Cheng, what are you doing here?” Xie Kai hadn’t seen Cheng Bu from time to time before, only two or three minibuses.

“Talk to you about your plane.” Cheng said with a grin from time to time. “The final assembly is almost complete, but the layout inside is based on the standard passenger plane seats or the private plane layout. We are a little bit undecided. , I want to ask your opinion.”

Xie Kai was taken aback.

He had forgotten that the Yunshi in production was taken from Kaisheng Company.

At the base, Yang Qian did not agree to the special budget and did not allocate funds to produce the third aircraft for test flight.

The second aircraft transported the 10th, and the flight time has been more than 400 hours. According to the original estimate, the safe flight time is only more than 500 hours.

The newly produced one is probably not much stronger.

“What is the estimated safe flight time?” Xie Kai asked.

Cheng is a little bit embarrassed from time to time, but can’t help but say, “About a thousand hours. After 800 hours of flight time, overhaul is necessary. As long as the large press is put into production, the forged frame beam is replaced and the service life is increased to at least 3000 hour.”

“Then follow the private jet. At that time, this aircraft will be used as a sample to show to our customers. Many customers need private jets.” Xie Kai said.

Xie Kai thinks that the private jet that transports ten is still more promising.

However, the current safety performance is really not reassuring.

With hundreds of hours of safe flight time, he himself was embarrassed to sell to others.

“By the way, since it is a private jet, the interior must be carefully. And the layout inside… the private jet does not pursue load. The comfort of the ride must be taken into consideration.”

Cheng kept nodding his head from time to time.

As a large passenger plane, Yunshi is not very suitable.

However, as a business machine, it still has a lot of prospects.



“What’s the problem?” Xie Kai asked when he saw the process hesitated from time to time. “Cheng, if you have any questions, just bring it up. We must improve the Yunshi model more quickly and develop new models at the same time.”

Although Yunshi is a large 100-ton aircraft, it is relatively embarrassing.

The world’s first-class large aircraft has a maximum take-off weight of several hundred tons and a payload of more than two hundred tons.

China still has a long way to go from the top of the world.

“Engines. At the beginning, we introduced six engines from the United States. If we continue to produce, the engines will not be enough.” Cheng explained from time to time, “The domestic turbofan eight has always been due to manufacturing defects such as blades. Dare to use it.”

“The big press will be put into production soon.” Xie Kai sighed.

Whether it is the main structure of the Yunshi or the core components of the engine, they are all waiting for large presses.

“A new one will be produced in the next year. Either you can only use the imported engine in front. In that case, you will have to wait until the aircraft has been transported to complete the flight before installing the engine… or you can only use the domestic turbofan eight… ”

The domestic turbofan eight has almost fallen into a period of stagnation in recent years.

Although the test work has basically been completed before, too many flight tests have not been carried out yet.

The engine is the heart of the aircraft.


Yunshi uses four engines. If all domestic engines are used, once a problem occurs, it will have a serious impact on the development of the entire aircraft project.

“I’ll talk about it at that time. The production of new and improved models, safe flight, is the first element. The engine must also be tested by other aircraft first…” Xie Kai frowned even more.

The engine problem is a flaw.

The power plant has been tackling key problems.

“We suggest that we can continue to introduce a few American engines…” Cheng said from time to time.

“Old Zheng, what is their attitude?” Xie Kai asked.

From time to time, Cheng smiled bitterly and said nothing.

If Zheng Yucheng and others can agree, would he tell Xie Kai about this?

“Specifically, let’s talk about the situation tomorrow.” Xie Kai sighed. The problem of heart disease in the aviation system is not so easy to solve.

If it doesn’t work, we can only introduce the engine emergency from abroad first.

Although the turbofan-8 engine has undergone dozens of hours of flight tests on the Boeing 707 before, it does not mean that the turbofan-8 can be fully used in the flight of the Yun-10.

Whether it is Boeing 707 or YXT, the four-engine structure is adopted.

In the previous test flight, only one turbofan-8 was installed on the Boeing 707 used for flight test. Even if it was stopped, there were three engines to provide enough thrust to maintain the stability of the flight.

“Mr. Ma also feels that if we want to continue Yunxi, we still have to import engines from the United States. We wait until our engine performance meets the demand, and then replace our domestic engines…”

“If you have to, you should import from abroad, then import from abroad. The improvement of Yunshi must not be stopped. We have invested too much money.” Xie Kai took a deep breath.

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