Rule system

Liu Jiankun envissed the research and development of the top aviation engine, support the self-research of the five-generation fighters, let the Air Force skipped through the three generations and a half, four generations of fighters, large-scale columns of fifth generation fifth.

This idea is very exciting. In fact, it is really just an idea. Even he knows that it is very unreal, temporarily thinks in your heart, just recognizes the design of the Kunlun two groups, and supports design aim Ding five generation fighters.

Zhao Wei is aiming that the fighter is not careless, but it is hoped to make a prototype according to the highest specification.

The five-generation fighters must be the best choice.

The design level is higher than the high-end fighter, and the engine has a higher demand. The five-generation fighters are currently the highest-end fighters, and the fifth-generation fighters can make a higher-end prototype.

This is also a place where the domestic self-developed air engine is designed by the fighter, manufactured.

Because there is no high-end turbofan engine, the Kunlun engine is the first R & D major project, the investment, the development of the R & D is too long, the engine R & D group has not been independent, causing the model to design and manufacturing, must follow the design level, first Going to aiming to make a fighter, that is, follow-up research and development, and then I will not have an additional money to do a follow-up research and development. The prototype debugging results can produce a large quantity production.

Trying to make a fighter in advance to make the prototype, it is indeed possible to improve the efficiency of research and development to production, but it is also the emphasis on the R & D, and some high-end design has to be this' part of the.

The elbows encountered by the Kunlun engine is not big, and the Kunlun group may encounter a greater constraint.

If the desired fighter is not so high, it is not necessary to be so high-end design. In order to save costs, speed up, and will definitely cut off some high-end design that may have problems.

Zhao Wei is a little worried about this situation. It is better to hold it immediately, and it is not necessary to wait for too long.

The main purpose of the aviation group is also within the group's internal, targeting the engineering research and development and the design, manufacturing.

There is not much preparation of the meeting, soon, I will do it directly, but people who take the meeting will know how much it is, the lowest level of the meeting is also the deputy planner of the engine R & D group, which is lower than Zhang Gangchuan. A level of characters, other aviation group, there are also several deputy designers, deputy general manager.

Some people are not the aviation group, including the representatives of the Academy, Aviation Materials Research Institute, and the secondary deputy director leaders, empty-military, sea-military representatives, and even include a leading leadership with a race of general.

and many more.

Soon the meeting began.

Although the meeting directly involves the design development of the Kunlun two groups, Zhao Yu is in a state of listening, because many issues, the report is related to the domestic air-military status, the development direction of the war machine, and the adaptation of various fighters The task and the national-anti-empty-empty-military related topic, such as some fighters batch assembly is used for pressing table - sea, Southeast Asia.

In short, it is very complicated.

As a side listener, Zhao Wei listened to a lot of topics and learned that the domestic air force and fighters were related, and suddenly, Liu Jiankun said not reliable.

Design aiming for five generations?

Difficult!

At present, the fighter in China is still in the second-generation and a half, the three generations, the future is the main fighter upgrade to three generations and a half and the four-generation fighters, it seems to be very close to the five generations.

This is actually not the case.

Mature technology in China can produce the J-10, J-11 series of fighters, but most of the use of the engine also rely on import, performance only reaching the extent of the three generations and a half fighters.

Aviation Group and empty-military plan is that large-scale columns J-10, J-11 series fighters, that is, to replace three generations and tertiary machines, plus dozens of imported 'Su' characters heading fighters, - The army has thousands of three-generation and semi-fighters, and it is also necessary to complete a stage of update replacement.

Nowadays, domestic autonomous design, develop, determine the performance of the four generations of fighters, even near the fifth-generation fighter, can form absolute advantage for the three generations of men, only the J-20 fighters just try to fly, do not talk about a phase of the test flight. The fighter, how far is a large amount of production, even J-20 fighter technology matures, is not too possible to quickly produce.

Because of the type and cost.

J-20 is similar to the F-22 of the M countries, is a heavy-duty fighter with improvement equipment, the potential of heavy fighters is limited, and the cumbersome is the biggest problem, resulting in impossible to become a carrier, and the future use potential is limited.

Cost is also a huge problem.

The M country's F-22 cost is up to 200 million to three o'clock, and the cost of J-20 is not open, but it will not be less than 100 million US dollars, and it does not include investment in the R & D stage.

In order to "get rid of" only the deterrent F-22 F-22, the M country has developed a low version of F-35, which is currently recognized as the highest end of the fighter, and the f-35 cost is still very high, but it can be loaded into the aircraft carrier, used The potential is not at a level.

Nowadays, the Aviation Group is discussed, and it is also related to 'reduction' J-20, and they have already developed the program, developing a 'reduction version' J-20, which is J-31.

J-31, design is a medium-sized fighter, which does not have too much difference than J-20, and can be loaded into the aircraft carrier, it sounds very good, but in fact, J-20 has just taken the flight, technology can say Not mature, J-31 is not perfect on the drawings.

J-31, that is, the design of the two groups of Kunlun, a target model.

The second half of the conference is around J-31, J-31 design leader Li Jianming two reported, but also puts forward its design opinions, but in fact, no one can listen, Li Jianming is respectful to J- 31 design, the most is to do it, a lot of design is not perfect, it is easy to find a problem.

For example, wing problems.

The J-31 design is a molded machine wing. Some people in the spot have been proposed. "F-2 is loaded with the molded wing, there are many problems, such as the resistance of the impact load such as shear stress, and damage to damage Problems caused by the sharp deterioration of stress concentration and structural strength. "

"As the carrier, the flight is far lower than the land airport, and the environment is more harsh. If it is difficult to make a dramatic motor action, do you like F-2, can only take the torque take-off?"

Li Jianming can only answer this, "At present, we are still studying, improvement ..."

no doubt.

At least to the current location, J-31 is still problematic, and the center of the meeting is the engine problem. By a series of discussions, Liu Jiankun finally announced the results.

The design of the Kunlun group was divided into two copies. A set of designs, combined with the original Kunlun group, which could have a new engine design that could have problems, and started Manufacturing the prototype, the destruction is still -10.

This engine is named WZ-A2.

At the same time, the Kunlun engine unit continued to work, that is, continuing to debug Kunlun engine, striving to make Kunlun engine to complete the adaptation of the three generations and three-generation and half fighters, that is, the Kunlun engine that guarantees the research and development of the Kunlun engine.

The Kunlun two groups changed the name of the "Battle" unit to develop the highest-end engine, and the manufacturing prototype is aiming that the J-31 fighter is named WZ-A1.

WZ-A1, WZ-A2, the code indicates the source of the design.

......

End of the meeting.

The Kunlun two groups were renamed the 'Bat Eagle' group, which is equivalent to a thorough and Kunlun group, and even the latest research and development work in the Kunlun group, with the design of the 'Battle Eagle' group.

Of course, the initial Kunlun two groups did research and development, relying on the foundation of the Kunlun Group R & D.

Both sides can say that they can help each other.

Zhao Wei came out from the conference room, and he was led by the staff to another small meeting room. He saw the Gao Mingxi of the Aviation Materials Institute and J-31 designer Li Jianming. He mainly came over and Li Jianming communication.

Gao Ming is coming over and Zhao Wei, he is the representative of the Aviation Material Research Institute, responsible for the manufacturing process of WZ-A1 engine, manufacturing of engine prototypes, and great relationship with aviation materials.

In this regard, the Aviation Materials Research Institute is professional, and Zhang Hongtao, Li Rongmao is a door.

Zhao Wei and Gao Ming have seen it once, and when they met, they said that two sentences were said, and then they will wait until the .

Li Jianming is really busy.

On J-31 design issues, he needs to communicate with several departments, and even the military department for communication, a fighter design, must be in order to complete the task, J-31 needs to be considered, in the future The post-task problem.

For example, some fighter design, manufacturing, is to determine the neighbors of the south, because the neighbors of the south are relatively weak, do not need to design too high-end, more cost, no significant difference.

Some fighters are in order to fight the strength of the eastern country, and the Eastern countries have support behind M countries, they need technical performance to determine, design, design, and manufacturing.

The J-31 is like this.

The questions encountered by J-31 are not using restrictions, but the use of the required use is too wide, the technology is too high-end, and it is necessary to reduce the weight.

Li Jianming only feels too difficult.

He felt that other departments had probably not think carefully, and they will continue to make design requirements for J-31, how can they do it? Domestic fighter design, manufacturing experience and technology have already found some characteristics, but must recognize that there is a certain gap with internationally or more technology, it is impossible to improve performance alone.

Li Jianming took a depressed meeting room. He saw Zhao Wei or showed a smile. He held Zhao Wei's hand. "Academician Zhao, I really didn't expect that you will design the engine, have your participation, later Don't worry about engine performance. "

"You're welcome!"

The two said a few words of compliments.

In fact, Li Jianming has been saying that Zhao Wei does not know Li Jianming, which is probably because of the designer of the fighter, and it will not do too many propaganda. They can't say that low-key contributions, but it does not have been reported by too many media. .

Soon the topic turned to the WZ-A1 engine.

The Wars Group needs to know how J-31's parameter demand for the engine can know how to make a certain amplitude of the design to make WZ-A1 prototypes.

In the face of this problem, Li Jianming complained, "wants to design, difficult. Zhao Academician, you also saw that there are still many problems in J-31, and even design demand is not determined."

"We are difficult to determine the design in a short time, which is difficult to provide specific needs to the engine's parameter requirements."

Zhao Wei asked, "We can make a prototype first, etc. After debugging, if there is a difference in performance, you can fine-tune the J-31 design, or correct the engine performance."

Li Jianmin thought about nodding, "This is also possible, but the rough parameters, I will still discuss with others, and other departments should also communicate ..."

He said a lot of piles.

Zhao Wei listened for a long time, asked very simply, "Professor Li, probably take more time."

"... a few months!"

Zhao Wei wrinkled again, "can't be short." It's a bit too long, and the prototype is not able to produce. It is just a few months, and time is waiting for a waste. .

Li Jianming's apologies shake his head.

The two did not talk.

Maybe I can't say that I didn't talk, the atmosphere was very polite, and the main J-31 did not moderately design, and even the approximate parameters were not available.

After Li Jianming left, Gao Ming said, "Zhao Academician, in fact, relative to the fighter design, a few months have been very fast, J-31 is built, definitely a long time."

"Don't say that it is not a J-31 that is not set. Even if it is a J-20 that has been flying, the specific design must have changed many times, maybe even the engine is replaced, the Kunlun group is aiming to be J-20 ? "

Zhao Wei's depressed shook his head, "But, a few months is too long, I just want a parameter, and ... this kind of thing, say a few months, maybe it can be dragged for one year, or even longer."

Gao Ming did not refute, he defaults to Zhao Wei's statement.

Zhao Wei took the hotel with depressed, think about it is very unhappy, simply step back, and found Liu Jiankun.

Liu Jiankun handled the follow-up work of the meeting. He just returned to the office to plan to rest.

At this time, the assistant reported that "Zhao is coming."

"right away."

Liu Jiankun stood up and went out, and the living room next to him saw Zhao Wei, "Zhao Academician, isn't it back to the hotel?"

"There is a problem with the J-31 design."

Zhao Wei said, asked, "I wanted to ask, the engine manufacturing prototype must adjust the design according to the parameters given by the target of the fighter?"

"Yes."

Liu Jiankun nodded, "the prototype is manufactured, the debugging can be loaded directly into the fighter. If there is no aiming fighter, the engine is manufactured, it is not easy to use, the engine, only the experiment, no one is unclear Whether the performance is stable. "

"But the J-31 design problem, delays our progress." Zhao Wei frowned, "If they are not sure to range, are we still waiting?"

"Theoretically said this." Liu Jiankun was silent for a long time, explained, "This is the case. Because the group is inside, the engine R & D group and the fighter design group are directly related, and it is not independent. If there is abroad, engine group It is a separate department that can be used to develop, but it should also consume a lot of funds because we have independently developed the turntile engine, there is no successful precedent, it has always been like this. "

"Is there any other way?" Zhao Wei asked very simply.

Liu Jiankun thought about it, try to say a way, "aiming other fighters?"

"This is ok!"

"but……"

Liu Jian Kun, "Now the five-year machine design only J-31, J-20 is a heavy fighter, and the design has been fixed, the engine does not necessarily replace, adapting the Kunlun group just gives them to the experiment."

"Because J-20 future probability will produce dozens, hundreds, if you can really use independently developed engines, will definitely reduce costs, and improve our own technology."

"For the five generations, we need the high-end carrier, the fuselage must be light and flexible, support supersonic flights are best supersonic cruise, the maximum flight distance exceeds 1800 kilometers, can carry at least three guides - bomb……"

Liu Jiankun continued to say a lot of requirements.

Zhao Wei listened to a little big, and he understood why Li Jianming could not design it.

Then he said, "If you don't like this, don't you wait for J-31 type design? Our Harmony group is idle, and also applying for a fighter to adapt WZ-A1?"

"As long as the design passes, is it a prototype of WZ-A1?"

Liu Jiankun listened, he only got his head for a long time, "... ah, yes. But Zhao Academician, you don't design the experience of the fighter?"

"what's happenin?"

Zhao Wei said, "Just try, anyway is the design, how much is the design? Can there be a line?"

"……Right?"

"That is, I'm going to apply, do you want to pass?"

"Ah, line, no problem!" Liu Jiankun nodded. He stayed for a long time, looked at Zhao Wei's back, the brain as if it was stagnant.

Because the fighter type design is delayed by the prototype, simply design a fighter?

This……

It's logically like there is no problem?