Reborn in Hong Kong: The Tycoon Grows Up

Chapter 289: Aircraft engine

When Bao Zixuan returned home and saw Li Yulin waiting for him in the living room, it seemed that his mother was still worried about him. However, when I think that Li Yulin is also recovering from a serious illness and is still in recuperation, it is really unbearable that she has not rested so late.

Bao Zixuan asked with concern: "Mummy, why haven't you rested so late?"

Li Yulin: "Didn't you say come back from playing today! I slept a lot recently, so I thought I'd wait for you to come back and have a chat."

Bao Zixuan: "Are you worried about meeting Zheng Yutong tomorrow? Don't worry, I won't put on any airs and try to be like a junior meeting an elder."

Li Yulin: "I used to want Zheng Jiajia to be my daughter-in-law, but now it seems that I can't force my relationship. You can handle these things in the future!"

Hearing his mother's sudden change made Bao Zixuan a little stunned. After all, he really hoped that Zheng Jiajia could become his daughter-in-law. Why has it changed all of a sudden! In the end what is the reason!

Bao Zixuan: "What's the matter with you, you changed so quickly all of a sudden."

Li Yulin: "You are still young, don't worry about this time. But through these days of observation, I found that Zheng Jiajia is not the best choice, and I will not participate in these things in the future. You just need to find me a me I have no opinion, but I have to look for it.”

In fact, Bao Zixuan guessed right. Li Yulin found out that Zheng Jiajia was not a very ideal candidate through observation these days. Before, I thought about increasing my son's heritage through marriage, but now it seems that it is better to find a daughter-in-law who is relatively simple and does not cause trouble for the son, so that the interests of Bao Zixuan will not be damaged because of the interests of the family. He also analyzed the matter this time. Zheng Jiajia was using her relationship to make Bao Zixuan compromise.

This is not a daughter-in-law who needs to be able to take care of her son and run the house, and even with Miss Zheng Jiajia's temperament, she can't take care of others. He didn't want his son to come back from a day's work and even face someone who asked him for help, so that he would not feel at ease if he died.

Early the next morning, Bao Zixuan came to the Black Cloud Manufacturing Center to inspect the condition of the aircraft engine. Now both theory and processing ability can meet the requirements. The only thing missing is that the basic materials are always up to the mark. This is a topic that cannot be avoided all the time, and even the basic materials of later generations of Huaxia have not been able to provide satisfactory answers.

In the future, Germany and RB will be the two countries with the best R&D and production of basic materials, but fortunately, Bao Zixuan has already laid out in advance. Otherwise, the further back you go, the more passive you will become, and someone will choke you if you don't do well. Samsung's famous company in South Korea had no raw material supply and finally had to give up and ask for help from RB people. Bao Zixuan didn't want such a thing to happen to himself.

Now all the materials on aero-engines come from the Soviet Union, and Lao Maozi's strength in this fast is obvious to all.

Looking at the aircraft engine that the engineers built according to Bao Zixuan's drawings. Although there are still many flaws, I believe that as long as it is implemented carefully, there should be no problems. This time he wants to become a supplier of aero-engines, if not, it is a big deal to produce his own aircraft. All in all, Bao Zixuan, a weak project in China in the future, wants to make arrangements in advance, otherwise it is really too late.

Looking at this aeroengine that has assembled many outstanding engineers from Heiyun, Bao Zixuan knows that history is changing little by little. This machine should not be in Hong Kong, it should be in the laboratory of Rolls-Royce in the UK. But now everything has changed, which can be said to be the engine to break the monopoly of Europe and the United States.

At present, there are three major suppliers in the aviation industry, namely Pratt & Whitney in the United States, General Motors in the United States and Rolls-Royce in the United Kingdom. That is, RB people are not very strong in this fast. Aero-engines have always been regarded as the pearls of the industry, and today the black cloud has mastered them. This is a very exciting thing, and it is also the driving force for me to keep moving forward.

Hartmann is a German aero-engine engineer who is 74 years old this year. He had already reached the age of retirement, but was invited by Heiyun to come out. Been working in the car factory after the war as part of the research and development team on the world's first jet. However, his love for airplanes has always been difficult to give up. He only rehearsed the working principle of aero-engines by himself, and the technology has not fallen behind over the years.

Bao Zixuan looked at the engine and said, "Old Hartman, how's it going! Now it feels great to build this guy with your own hands!"

Hartaman said with a smile: "Boss, this is simply an industrial miracle. This engine should appear in Rolls-Royce, Pratt & Whitney, or GM's laboratory, and at worst, RB. I didn't expect her to appear in Xiangjiang, this simply subverts people's perception."

Bao Zixuan: "Hartman, you have to believe in yourself and the black cloud. We can always create miracles. Let us introduce his performance!"

Hartaman: "Compared with the twin-rotor turbofan engine used in the United States, the three rotors of our engine can work at the optimal speed respectively, which reduces the number of rotor stages, blades and adjustable blades. The number of rotor stages is small, and the rotor can be shorter, which improves the rigidity of the rotor and reduces the performance degradation rate. The high-pressure turbine of a dual-rotor engine generally has two stages, and the second stage works at a high speed and needs to cool the rotor blades, while the three rotors The pressure turbine works at a lower speed and does not require cooling, which reduces cooling air requirements and ensures a 1.5% reduction in engine fuel consumption. One disadvantage of three rotors is that the ball bearing arrangement is more complicated, but we use arc end teeth Coupling, which makes the engine assembly and disassembly simpler than that of the twin-rotor engine without this coupling.

The compressor life of the Heiyun engine is 40,000 to 70,000 hours, the medium and high pressure turbines are 25,000 to 40,000 hours, the combustion chamber can be repaired for 40,000 hours, and the disk shaft is 20,000 cycles.

It can be said that the overall performance of our Heiyun 1 engine is more than 15% more fuel efficient than the American product, and the thrust-to-weight ratio is also stronger than that of the other party~www.readwn.com~ But the only disadvantage is that the overall cost is 20% higher than theirs, mainly due to materials and process requirements. Allocating to labor will reduce a part, but not much. "

As an engineer of aero-engine, Bao Zixuan certainly knows the performance of this machine, but he only proposes theories and parameters. The rest is mainly handed over to the German team, and the Germans did not disappoint themselves.

Germany is a particularly developed and serious country in the industrial field. They always believe that they are absolutely the strongest country in the world in the field of machinery and industry. It is only due to strategic factors that they ultimately fail. But the pride in their bones could not be easily wiped out, and it was Bao Zixuan's grasp of this point that made them rejuvenate their second spring.

Bao Zixuan said: "What else needs to be tested and improved, I will give you plenty of time. Safety must be the first priority, and we must ensure that our engines are installed on any aircraft without problems. Now We can negotiate with some small aircraft manufacturers, and we can negotiate a lower price, and let people know about our engines.”

"As for the rest, I'll leave it to you. I only have one request from you. Don't be afraid to spend money on a lot of experiments, and make sure you're foolproof."

Hartmann: "Don't worry, boss, I know how to do it. I will instill your requirements on every employee who produces aircraft engines. We Germans will not smash our own signs."

This is also the reason why Bao Zixuan is relieved, but now the senior technicians and engineers in Heiyun Industrial Park are all German and RB people, which is not a long-term solution. Once the Soviet Union disintegrates, they are likely to leave, and the state may even issue an administrative order to them. , Now it is still the foundation of the problem to build Yulin Institute of Technology early, otherwise it will always be controlled by others.

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