Go back in time and be a chaebol

Chapter 647: Straight-line Plane (First update, please subscribe)
The square portholes are exquisite and beautiful!
Large lighting area!
Spacious and bright!

Facing Satista's detailed introduction, Li Yian's expression became more and more complex.

Good guy, are you a person sent by the British? Are you here to trick me?

In fact, Li Yi'an has always been very concerned about the "707 Project". After all, it involves the industrial upgrading of Nanyang. It is not only the leader in the development of Nanyang aviation technology, but will also involve tens of thousands or even hundreds of thousands of people in the future. employment of people.

It is precisely because it is important that I pay attention to it, and even specially modified the sketch of the "707" project. In fact, I just borrowed the appearance drawing of the Boeing 707 and made appropriate modifications to the sketch.

However, Li Yian did not notice its porthole at that time. Of course, I didn't expect that while they introduced a large amount of "Comet" technology, they also "introduced" the most fatal flaw of "Comet".

What's even worse is that they are even proud of it. In other words, I think this is the real future, but it’s just that the windows are so big and bright.

This is not a villa that requires big windows.

No way, who made the British "Comet" airliner the world's first jet airliner?
As the world's first jet airliner, the "Comet" shocked the world upon its launch: the high-speed experience brought by the jet engine shortened the time of air travel, and the comfort brought by the pressurized cockpit improved the experience of air travel. The comet represents mankind's opening of the civil jet era, bringing air travel into a new era.

Of course, "Comet" has become the No. 1 in the minds of engineers. Naturally, "Comet" has become the object of reference and imitation by everyone.

The "707 Project" introduced some mature technologies from the "Comet" passenger aircraft, such as operating systems and landing gear subsystems.

De Havilland ingeniously designed three independent hydraulic drive systems for the "Comet". If one system fails, the pilot can still use the other two backup systems to ensure the normal flight of the aircraft.

As an aircraft for commercial use, de Havilland has fully considered the comfort needs of its passengers. In order to make the aircraft more stable and safer during takeoff and landing, de Havilland specially built the "Comet" passenger aircraft. A brand-new landing gear system is adopted. The new landing gear is larger in size and adopts a trolley design. There are four wheels arranged front and rear on the main landing gear and are equipped with anti-skid and braking devices. It will effectively reduce the violent vibration and noise of traditional propeller aircraft when landing, improving the flight experience for passengers and even crew members.

Not only that, even the nose cockpit is copied from the "Comet", but it is slightly wider.

However, if the good ones are learned, the bad ones will also be learned. The Comet is very good, but engineers lack experience in cabin pressurization design. Its rectangular cabin window design leads to stress concentration and can easily cause metal fatigue, which in turn led to three consecutive disintegration accidents of the Comet.

Then, the "comet" really became a comet.

Because he has high hopes for the "707" project, Li Yian will naturally not allow "707" to become a "comet" in Nanyang and let the same mistake be repeated in Nanyang.

Taking a deep breath, Li Yian said.

"In the research of passenger aircraft, the most important thing is safety, safety first. This is a basic principle. If an accident occurs on a passenger aircraft, it is likely to affect people's confidence in it. If there is no confidence, everything will be in vain. …”

In another world, why did the "comet" that woke up early become a comet?

Isn’t it because of three disintegration accidents that occurred in just a few months? In the end, Boeing came from behind and became the true pioneer of the jet airliner era. And what about Daying? Not only did I get up early and catch a late-night meeting, but in the end, even the aviation industry followed suit.

"So, we must avoid accidents through further research from the beginning, rather than waiting until an accident occurs to make improvements. How to ensure the coordination of efficiency and safety is a very important thing. If it cannot be To ensure, then we must follow one principle-safety first.”

The meaning behind Li Yian's words was very clear, safety first. After emphasizing this point, he asked again.

“Do you understand metal fatigue?”

"Metal fatigue?" Satista was stunned. As an engineer, how could he not understand?

Seeing that he was a little surprised, Li Yian said.

"Chief Engineer Sa, the 707, like the Comet, uses a pressurized cabin. This means that every time it takes off and lands, the cabin needs to be pressurized. Will this increase metal fatigue?"

Although it seemed to be just a rhetorical question, it made Satista fall into deep thought. It was only then that he realized that when designing the "707" project, although they adopted a large number of new technologies, the design ideas still followed The idea of ​​​​an old propeller aircraft, and the old aircraft... do not have a pressurized cockpit at all.

Thinking of this, Satista said.

"Your Excellency, your question is a good one. We should further improve it."

Li Yian said with a slight nod.

"I think this square porthole is very problematic. From the perspective of metal mechanics, after the cabin is pressurized for many times, the rectangular cabin window design can easily lead to stress concentration, easily cause metal fatigue, and may even cause cracks. . Therefore, I think its portholes should be rounded or designed with large rounded corners to reduce stress concentration and improve metal fatigue strength.”

After Li Yi'an put forward his "suggestion" directly, Satista of course immediately expressed his acceptance. In addition to his understanding of metal mechanics, he understood that using round portholes can reduce stress concentration. The most critical reason is that Li Yian's identity plays a big role.

After all, the man in front of him is not just the commander-in-chief of Nanyang. It is also the largest shareholder of Nanyang Aviation Industries.

When the boss speaks, of course they must obey.

Later, Li Yian asked them to conduct in-depth research on metal fatigue to ensure the safety of the aircraft.

"In addition to conducting static strength tests and aerodynamic fatigue tests on the entire aircraft, after the test flight, high-intensity test flights will also be conducted to find problems through test flights."

Then, he took out the sketch he had drawn on the way to and from Chang'an and introduced the regional airliner to Satista.

"Nanyang's national conditions have unique characteristics in the world. As an archipelago country, our population distribution is extremely concentrated. Most of the country's population is concentrated in a few cities, which are far apart from each other and are distributed at the same time. On several islands, our civil aviation industry still needs some aircraft with small passenger capacity and simple maintenance, that is, regional airliners.”

After briefly introducing what a regional aircraft is, he also explained the design ideas, and then Li Yian said specifically.

"The 707 project has trained a group of outstanding young engineers. I think we can give them more responsibility and let them participate in this regional passenger aircraft project,"

In fact, this is the most important thing. On the way back from Dongning, Li Yian seriously considered researching new regional aircraft and did not put this matter until the completion of the 707 project. Instead, they were put together to train the entire team more fully.

Train the entire team through an appropriate project. The structural complexity of a small regional aircraft is far beyond that of the 707. There is no project more suitable for training people than a project like this.

It is entirely possible to extract a group of young designers from the 707 project and let them take charge of this project.

Of course, those young designers must be from Tang Dynasty. This is the ultimate goal of team training - to cultivate an aviation design team that truly belongs to you!

(End of this chapter)