Chapter 1015: Prototype Successfully Developed

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The first thousand and fifteenth chapter of the prototype was successfully developed

"Director Liu, do you think this is appropriate! Could it be that ordinary workers can come in and work in our'skunk factory'!" Zhao Zhongyao looked at Liu Tianming again and said.

After hearing Zhao Zhongyao's words, Liu Tianming looked at him again and said, "Well, what you said is very reasonable. Then tell me, how should we recruit some skilled workers to complete our major production tasks."

"You don't have to worry about Director Liu. I will select some excellent workers from some military industrial bases of our general equipment. Just let them help us complete the production task of this prototype." Zhao Zhongyao said again.

"Okay, then I'll leave this matter to you. Hurry up and find some skilled workers!" Liu Tianming also looked at Zhao Zhongyao happily and said.

In this way, Zhao Zhongyao found some skilled workers, and Liu Tianming applied for some prototype research funds from Liu Changyun, and began to study the prototype of this stealth fighter.

Originally, it was very difficult to study a new type of fighter. This is like crossing the river by feeling the stones. There is no way to go, and everything is moving forward by groping.

But it's different with a master like Zhao Zhongyao. He can avoid a lot of detours in the development process.

In addition, the skilled workers Zhao Zhongyao found are also very high-quality skilled workers. Like Zhao Gang and Li Nansong, they have many years of technical experience in machinery manufacturing.

In this way, the time for Zhao Zhongyao to develop this prototype is greatly shortened. Under normal circumstances, it would take at least a year to study a prototype. But here at Zhao Zhongyao, it took only two months to develop and produce this prototype.

When this prototype was produced, Zhao Zhongyao called Liu Tianming and Liu Changyun into their'skunk factory' together. Let the two of them take a look first, how about the prototype he designed and developed.

Liu Tianming and Liu Changyun saw the prototype of the stealth fighter developed by Zhao Zhongyao, and felt that the prototype was very well researched. Exactly the same as the real plane. It feels like this is not a prototype, but a real fighter.

"Zhongyao, how did you develop this prototype so quickly? Your work efficiency is really amazing!" After Liu Tianming looked at the prototype in front of him, I couldn't help but praise Zhao Zhongyao.

"Yes! Zhongyao, your work efficiency is really amazing! This is an airplane, why did you produce it so quickly." Liu Changyun also looked at Zhao Zhongyao in surprise and said.

"Minister Liu, we have to have a plan for everything we do. As long as we have a careful plan and then proceed step by step according to the plan. Sometimes, when we do things, the progress is very slow because we are doing When doing such a thing, there is no careful plan. When doing this thing, many detours will be taken and a lot of precious time will be wasted."

For Zhao Zhongyao, he didn't know how to explain why he developed this prototype so quickly. He could only say some seemingly important reasons, but this reason was not at all the important reason why he developed this prototype so quickly.

After hearing what Zhao Zhongyao said, Liu Tianming and Liu Changyun felt that it made sense, and they believed it. I didn't feel it, Zhao Zhongyao was just talking nonsense!

"Zhongyao, then this prototype has been developed, what is the next step, is it the start of test flight!" Liu Changyun can be said to be a layman in the development of aircraft. Seeing that this prototype has been developed, he wondered if it is possible to start the test flight now.

After hearing Liu Changyun's words, Zhao Zhongyao smiled again and said, "Minister Liu, things are not that simple. Airplanes are no better than cars. After the new car is developed, trial training can be carried out immediately. The new model of this aircraft is in the After it is developed, it cannot be tested in the air immediately. It is very dangerous to do so. To make the aircraft fly to the sky, the first thing is to let the aircraft "fly" on the ground for a period of time before it can fly to the sky go!"

"Oh, this plane has to 'fly' on the ground first! What's going on? How can the plane fly on the ground? If the altitude is too low, won't it also affect the flight safety!" Liu Changyun listened to Zhao Zhong If it was far away, I asked another layman's question.

"Mr. Liu, I'm talking about 'flying' on the ground. It's not a real flight, but a flight simulation experiment in a wind tunnel. It's a simulated flight, not a real flight." Zhao Zhongyao looked again Looking at Liu Changyun and said.

"Oh, I see. The wind tunnel laboratory you built before was designed to allow aircraft to fly on the ground." Liu Changyun seemed to have thought of some problems after hearing Zhao Zhongyao's words, so he Said it again.

"Of course, the wind tunnel laboratory we developed is for the purpose of flying prototypes on the ground. After any new aircraft is developed, it must first undergo flight training in the wind tunnel to simulate high-altitude flight. In the wind tunnel, it is possible to fly to the real high altitude only after the simulated flight is carried out. If you don’t do this wind tunnel experiment, but directly let the plane fly into the sky, wouldn’t it be very dangerous!”

Zhao Zhongyao saw that Liu Changyun didn't know much about how to develop a new type of aircraft, so he explained to Liu Changyun in detail how the new aircraft was developed.

Questions that ordinary people are not familiar with.

"Zhongyao, so we can immediately let this prototype enter the wind tunnel experiment for simulated flight." Liu Tianming looked at Zhao Zhongyao again and said.

"Of course it is. However, before entering the wind tunnel laboratory, I have to fly a comprehensive inspection of this aircraft. If there is no problem, then do a static test. If there is no problem If so, you can drive to the wind tunnel laboratory for simulated flight training." Zhao Zhongyao looked at Liu Tianming and Liu Changyun again and said.

"Oh, we need to do a static test. What is a static test." Liu Changyun is a layman in aircraft manufacturing. When he heard Zhao Zhongyao's words, he felt that this "static test" was a new term for him. , he wanted to learn about this new term.

After hearing Liu Tianming's words, Zhao Zhongyao smiled and said, "This term is a very professional term. If you want to know, I can give you a general explanation."

"Okay, tell me!" Liu Tianming looked at Zhao Zhongyao, wanting to hear his explanation.

"Static test is one of the contents of structural test. It is used to observe and study the strength, stiffness, stress and deformation distribution of aircraft structure or components under static load. It is an important means to verify the correctness of aircraft structure strength and static analysis. The loading system of the full-scale structural static test is relatively complicated. Before the 1940s, the aircraft was placed on its back during the static test, and lead particles or sand were packed in bags to simulate the wing distribution load; iron blocks were hung on the ropes The method of simulating concentrated load is crude. Later, it will be loaded with electric mechanical force booster or hydraulic cylinder and jack. Since the 1940s, full-scale structural static tests have been loaded through the lever system, and a multi-point coordinated loading system has been adopted to ensure that all The loader can be loaded according to a predetermined ratio, and can be automatically unloaded when the structure is damaged, so as to avoid the continued expansion of the damaged part. In the 1970s and 1980s, the static test has adopted an electronic computer-controlled electro-hydraulic servo system to automatically close the loop to coordinate the loading system. Hundreds of loaders, hundreds of loading points, hundreds of measurement channels, thousands of strain gauges, and electronic computers are used for data acquisition and processing.

To carry out structural static experiments, it is necessary to design and manufacture structural test pieces, support systems and loading devices, and then install and debug them together with instruments for measuring displacement, strain and load. After the debugging is completed, the experiment can be carried out according to the following two steps: 1. Pre-experimental stage. Slowly add a small load step by step according to a certain procedure, observe and monitor the displacement and strain measurement points, find out the basic trend of structural bearing and deformation, and check the test pieces, support systems, loading devices and measuring equipment. reliability. 2 Formal test phase. Usually take 5-10% of the expected load as the initial load, and measure the initial stress, strain and displacement. Then load it step by step, evenly and slowly according to a certain procedure, and measure and record the data of each strain measurement point, displacement measurement point and load measurement point one by one. At the same time, carefully observe the specimen until it reaches the predetermined load or predetermined experimental state. Formal experiments sometimes have to be repeated several times. Finally, inspect the experimental piece, carefully observe its residual deformation and damage, and perform data processing and error analysis on the recorded displacement, strain and load data, so as to draw scientific experimental conclusions. "

Zhao Zhongyao told Liu Tianming what he knew about the static force experiment. After listening to it, Liu Tianming felt that he had benefited a lot. He looked at Zhao Zhongyao and said, "Zhongyao, why do you know everything? I don't seem to have heard of this knowledge."

"Director Liu, you are a leader. How did you learn this professional knowledge? I am a technical professional, so of course it is different. In order to design this stealth fighter, I have learned a lot about aircraft manufacturing."

In fact, the knowledge Zhao Zhongyao said was something he had learned long before his death. Although he was a physicist during his lifetime. But the knowledge of these static experiments also belongs to the category of physics. Zhao Zhongyao has also dabbled in this area of ​​knowledge.

"Okay, Zhongyao, with this knowledge, can you carry out the static test? If the static test is successful, can you carry out the flight test on this prototype in the wind tunnel?"

After listening to what Zhao Zhongyao said about the static force experiment, Liu Tianming imagined what they might do next.

"That's right, we need to do a static test on this prototype first. If the structure of the aircraft is completely reasonable and meets the flight requirements, we can let the aircraft conduct flight experiments in the wind tunnel." Zhao Zhong Yao looked at Liu Tianming again and said.

"Okay, then hurry up and do the static test! We don't have much time. It is very difficult to produce the first new type of fighter within a year."

Liu Changyun didn't speak just now, but now after hearing what Zhao Zhongyao and Liu Tianming said, he also echoed it.

"That's right, what Minister Liu said is right. We still need to hurry up and produce the first real stealth fighter. We must produce our new fighter before the next 'Bamboo Sea Air Show'. This is the air show Only then can we let our fighters show off at the 'Bamboo Sea Air Show'." Zhao Zhongyao said again.

"Okay, then we won't bother you anymore, so hurry up and work!" After Liu Changyun finished speaking, he looked at Liu Tianming again and said, "Tianming, let's go! Let Zhongyao and the others work hard!"

"Okay, we won't bother you anymore. Hurry up and work hard!" After Liu Tianming finished speaking, he and Liu Changyun came out of the experimental workshop of the new fighter.

Zhao Zhongyao sent the two leaders out of the factory gate, and then returned to the aircraft experiment workshop. Looking at the prototype that I successfully developed. Zhao Zhongyao was also very happy. However, he knows that this prototype cannot fly

to heaven. It's just an experimental aircraft for flight experiments on the ground.

If they want the fighters they produced to fly into the sky, they have to re-develop a new fighter. Only then can they be regarded as having successfully developed the first new type of fighter.

Next, Zhao Zhongyao led some engineers and technicians under him to conduct a series of static load-bearing experiments on this prototype.

Of course, Zhao Zhongyao was also very confident before conducting such an experiment. He knew that there would definitely be no problems with the prototype he developed. Because, the prototype he developed uses some of the most advanced aircraft materials. Some materials, which may not even be available abroad, were developed by Zhao Zhongyao himself.

For a scientist who has known some advanced aircraft manufacturing materials for a long time, if he is building a fighter plane that he has known for a long time, it will definitely save a lot of detours. And, it can be done once.

In this way, Zhao Zhongyao and his technical personnel conducted a series of static experiments on this prototype. The results of the experiment made everyone very satisfied. Because all the experimental data of this prototype are qualified. It fully met the expected imagination. This made Zhao Zhongyao and his technical staff very happy.

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