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Chapter 732 Nanyang is also awesome (second update, please subscribe)

"I, I...of course it's a great honor!"

Facing what may be the biggest opportunity in his life, Li Xingtang stammered, but said firmly, "Don't worry, Mr. Lin, I will never let you down."

As a pilot, Li Xingtang flew the Hump Route during the war and also served as a test pilot. Of course, most of the time, he was just a pilot. It was not until he came to Nanyang with his friends that he accepted professional training. Test flight training.

Although he has flown many types of aircraft in the past few years, it is definitely an honor to be the chief test pilot of the "717 Airliner".

Lin Tonghua smiled calmly and said,

"Don't be nervous, it's just a very ordinary test flight. You should prepare first. If everything goes well, the test flight will take place on the 12th of this month, which is the th day of the twelfth lunar month!"

……

After the test flight date of the "C717" passenger aircraft is set, it is natural to report it to the official residence as soon as possible. After all, you have always been very concerned about the progress of the jet passenger aircraft project.

"Safety, the first thing is to be safe, the second thing is to be safe."

While listening to the report from Aviation Industry Company Manager Shao Yunqin, although he was very surprised at the rapid progress of the project, Li Yian repeated it twice like a repeater.

"Yes, Your Excellency!"

Shao Yunqin took out another document and said,
"For passenger aircraft, the most important thing is safety. After you mentioned the importance of metal fatigue, we not only launched research in this area, but also built a full-size water tank based on your suggestions. Through repeated We spent five months and conducted 10,000 hours of simulation testing on the pressure test. The results of the test were good, and the test is still ongoing. "

Looking through the documents handed over by Shao Yunqin, Li Yian nodded thoughtfully.

He has always been paying attention to Nanyang's "large aircraft" project. Even when the "Comet Airliner" was preparing for commercial flights, Li Yian never urged the company to speed up its development progress.

Compared to progress, Li Yian valued the safety of the aircraft more. Although data shows that airplanes are the safest means of transportation in the world, but unlike other means of transportation, once an airplane falls, it is a big event known to the whole world, and the result is often a crash and death. ——Few people can survive an air crash.

How did Germany's Zeppelin airships become obsolete before World War II?

Isn't it because the "Hindenburg" turned into a big fireball in full view of everyone?
If it weren't for the "Hindenburg" becoming a torch, the airship would never have disappeared so quickly.

The same goes for jetliners!
The Comet passenger aircraft may have seized the title of No. 1 in the world, but as the pioneer of the jet airliner, successive air crashes have even made the aviation industry doubt whether jet airliners are suitable for civil aviation.

This shows the impact that the Comet crash had on the entire jet airliner industry.

Although the whole world at that time believed that faster and higher jetliners were the future direction of development, in the face of the successive air crashes caused by comets, people even began to take this progressive direction.

Of course, Li Yi'an, who stands on the shoulders of historical giants, knows very well that jet airliners are the future direction. They not only fly faster, but also have lower flight costs. While bringing profits to airlines, they also fundamentally change the direction of the future. It has changed the way human beings travel.

After the advent of the Boeing 707, mankind quickly entered the jet age. Faster and cheaper jets became people's first choice for intercontinental travel. More and more people took flights, and fares became cheaper. Airlines earned The more people there are, the aircraft manufacturers will naturally make a lot of money.

But all this must be based on one premise - safety!
The cost of crashing a plane is too high!

It is so high that it can even destroy an aircraft manufacturing company and even a country's aviation industry. The Great Britain is a lesson learned from the past!
Therefore, improving reliability and safety is the core competitiveness of developing passenger aircraft manufacturing industry. If Nanyang wants to get a share of the large passenger aircraft market, it must seize this core, especially in the early days.

In the development of jet airliners, whether it was the 707 or the 717, Li Yian gave them a lot of "revelation". Most of those revelations were aerodynamic. This is not difficult. After all, in the next few decades, There are almost no major changes in the appearance of the passenger aircraft. It is nothing more than a single-aisle narrow-body aircraft, which has become a dual-aisle wide-body aircraft. As for the aerodynamic shape, aircraft in various countries adopt the most mature and appropriate solutions, and they are all long-lasting. The tried and tested ones, there is absolutely no problem using them.

As for the water tank test that discovered the metal fatigue of the Comet airliner, it was also proposed by Li Yian. To conduct a water tank test on the fuselage of the passenger aircraft is actually to design a huge water tank, immerse the aircraft in water, and use changes in water pressure to simulate various pressures. test. In this way, metal fatigue conditions of tens of thousands of flight hours can be simulated within five months.

The "Comet" passenger plane exposed the problem of metal fatigue in just over a month. During the pressurization process, the metal skin around the windows cracked and the fuselage exploded. Because of this, all Comet's passenger planes have rounded windows. However, under Li Yi'an's strong request, the 707 switched to rounded windows during the design stage. Not only that, its fuselage skin and beams are all made of 7075 aluminum alloy. Although this aluminum alloy is an American brand, it is a Nanyang product. Japanese engineers in the aluminum industry further developed ultra-high-strength aluminum alloys based on Sumitomo Metal's ESD aluminum alloys.

Although the skin thickness of its fuselage is only 2 to 4 mm, it only uses 6 mm thick skin in partial opening areas such as hatches and windows. Thanks to the high strength of the material, its skin strength is still far higher than that of " Comet’s 5mm Duraluminum alloy skin.

To a certain extent, under Li Yian's careful attention. The current 717 is definitely an aircraft that transcends the times. As long as there are no problems with the design, there will definitely be no problems.

As for the design, these excellent aerospace engineers are absolutely reassuring.

Even so, it is better to be cautious about many things. After thinking about it, Li Yian said.

"Sufficient testing must be conducted before test flight. Ground testing is very important. Although ground testing cannot explain the problem, it is still necessary to conduct sufficient ground testing before test flight."

The "Comet" passenger aircraft also conducted a large number of test flights, but in the end there was still a problem!
Although he doesn't know where the "717" will take Nanyang Aviation Industry, Li Yi'an is still looking forward to the test flight.

Expectations are expectations, but no matter what, Li Yian will not rush them. Safety must come first in this kind of thing, and the most important thing is to prevent the 717 from repeating the mistakes of the "Comet" passenger aircraft in the future.

"As I said before, airplanes are different from products such as high-speed trains. If an accident occurs to an airplane, the result will be a plane crash and fatalities. Air crashes will destroy people's confidence. If there is no confidence in a product, then it is natural for it to be eliminated. However, we must ensure safety, and it is worthwhile to make more preparations in advance!”

"Please rest assured that we are fully prepared. Although the plan is for the 16th day of the twelfth lunar month, if the weather is bad, the test flight will be postponed. Now we have conducted many ground tests, and the tests have been successful."

Then Shao Yunqin introduced the results of the ground tests one by one, Li Yian said.

"The experiment needs to be more complete, but don't be anxious. Remember, I still say the same thing - safety first!"

Later, Li Yian emphasized again.

"I noticed that Lin Tonghua was randomly conducting test flights, right?"

"Yes, Your Excellency, he believes that as the chief engineer, random flight is the most basic responsibility."

"Tell him that he cannot do this. Nanyang's talents are precious. He is not allowed to board the plane without rigorous early test flights."

Li Yian shook his head solemnly and said,
"This is a basic principle of flight testing. No matter what, these engineers cannot be allowed to take risks,"

It is not easy to cultivate talents in Nanyang. There are only a few chief engineers like Lin Tonghua who oversee a project in the whole of Nanyang. In fact, there are quite a few, but they are either German or Italian, and Lin Tonghua and the others are from the Tang Dynasty. .

This is the most important thing, so these talents must be protected.

After making this decision, Li Yian said again.

"If the test flight of the 717 passenger aircraft is successful, long-distance tests will begin. Well, the test flight route will be Chang'an to Kuala Lumpur."

The reason why Kuala Lumpur is specifically mentioned is because since entering Kuala Lumpur last year, Nanyang has been strengthening its control over Malaya. From inviting local upper-class people to visit the atomic bomb test to building new villages, it is essentially carrots and carrots. Big stick. Now, with jet airliners, of course we have to show them off in front of them. Only in this way can those natives feel the advancement and civilization of Nanyang.

In fact, this world is very simple. There is no confrontation between the East and the West. It is essentially a confrontation between civilization and barbarism. To put it bluntly, everyone is competing for the "right to interpret civilization" and which way to explain civilization. Just to define civilization.

In what way is this struggle for the right to define civilization carried out?

Science and technology is one of them, which is why during the Cold War, the United States and Russia were keen on the development of science and technology, essentially to prove to others that I am awesome!
Now, what Nanyang needs is the same - prove that he is awesome in front of them!

(End of this chapter)