I Found A Planet

Mobilization meeting in the morning.

Face the brightly colored flag.

The blood and fighting spirit of the tens of thousands of employees of COMAC were all aroused.

Everyone took a breath in their hearts and vowed to mass-produce domestically produced large passenger aircraft!

However, after the surging blood cooled down, the reality before him was still cruel.

The so-called collective swearing and shouting of a few slogans are just to stabilize the morale of the army and unify their thinking.

But there are always more solutions than difficulties.

In the process of calling Elder No. 2, He Jinlong, the boss of COMAC, came up with his alternative solution.

"Purchase the PS90 engine manufactured by the Russian Aircraft Parts Manufacturing Group."

"The Russian engine is pretty good. Its fuel consumption is low, reaching the level of CFM56-5C. Its service life is more than 10,000 hours. The overhaul interval is longer, and the purchase price is one-third cheaper."

"The long-range wide-body airliner CR929 jointly developed by us and Russia's UAC is expected to use the PS90 series engine."

However, although the Russian PS90 series is good, the price is much cheaper.

But the fuel consumption is still 16% higher than the LeapX engine.

The service life is reduced by about half.

As for the failure rate, the Russian engines always give people a feeling that they are not particularly reliable.

Purchasing the Russian PS90 engine is the only way to alleviate the problem before the domestic alternative engine is successfully developed...but it will still greatly reduce the market competitiveness of the C919.

It can be seen from this that the field of civil aero engines is somewhat similar to the chip industry, and the winner takes all.

It is difficult for the loser to even grab the soup.

He Jinlong still strongly assured: "We will seize the time and continue to optimize our aircraft! Although the fuel consumption of the engine is a bit higher, the body of our C919 passenger aircraft is generally 15% lighter than Boeing and Airbus aircraft of the same type. About 18% lighter than them can be achieved by cutting off some redundant weight.”

"The aircraft is lighter and faster, and the fuel consumption is reduced."

"Coupled with our 20% cheaper manufacturing cost and quite affordable selling price, we still have a certain degree of market competitiveness after being introduced to the market."

The reason why the weight of the C919 is lighter and the cost is much cheaper is that the people of the country Z have mastered a powerful technology.

3D printing technology for large structural parts.

This technology has not made a major breakthrough abroad, and it cannot print large structural parts with a diameter of several meters or more than ten meters.

But the 3D printer in country Z can.

Using this technology, 3D printers can print key components such as the main beam of the wing and the frame of the fuselage at one time, with qualified strength and a material utilization rate of more than 90%.

However, the main wing beams and other components used by Boeing and Airbus aircraft are still processed by traditional industrial machine tools, with high scrap rate, low material utilization rate, and great disadvantages in production cost and production efficiency.

It is precisely because of the blessing of 3D printing technology that COMAC's C919 has a great market competitive advantage. It can even be said that in the market of 200-seat passenger aircraft with a range of 5,000 kilometers, it immediately became the king of cost performance.

Will sweep the civilian airliner market.

The Boeing Company and the European Airbus Company, which are extremely afraid of this, all have motives to interfere... Before they have mastered 3D printing technology, they do not want a competitor like C919 to appear in the market.

After the C919 adopted the Russian-made PS90 engine, the advantages brought by 3D printing technology were immediately offset, and it immediately became an aircraft with mediocre cost performance.

And with Maozi's personality, even if their products are not very good, they never hesitate to raise the price. It is cheap to buy their engines now, but it may not be so after a while.

"We still have to have our own advanced engine, we have to fight for it!"

Elder No. 2 sighed and said on the phone.

He Jinlong became silent.

...

At this time.

The secretary walked into the office: "Mr. He, Chen Gang, the deputy chief designer of the landing gear project team, said he wanted to see you and had something important to report to you."

Chen Gang?

At the mobilization meeting in the morning, Chen Gang disappeared.

When someone whispered this small report in his ear, a trace of displeasure flashed across He Jinlong's face.

But he still didn't take it to heart, who made him give birth to an amazing son?

But the mobilization meeting is such a serious event, when it is necessary to unify thinking and fighting spirit, he is not there? What the hell does this mean?

He Jinlong felt a little nervous.

I didn't want to see this person right away.

But the secretary said again: "Mr. He, Designer Chen even brought his son here, that is Chen Jin, the founder of Xinghai Technology."

"Meet me, let them all come to my office."

...

into the office.

"Mr. Chen, welcome, you are young and promising, you really are young and promising."

He Jinlong stretched out his hand with great enthusiasm.

"Old Chen, you gave birth to an amazing son." He held Chen Gang's hand again and patted his shoulder.

But He Jinlong felt strange why the father and son wanted to see him, and why they came to him.

Is it because seeing that there is no hope of mass production of domestically-made passenger jets, he is disheartened and hopes to retire early, hoping for his approval?

He Jinlong slandered in his heart, beckoned them to sit down, and asked the secretary to pour two cups of tea.

After chatting for a while, he asked, "I don't know what you two are here for?"

"Of course it's for the engine, we have to do it..." Chen Gang said impatiently.

"Hmm~"

Chen Jin coughed heavily: "I mainly want to talk to Mr. He about the development of domestic engines. This topic is relatively confidential. Comrade secretary, can you go out and close the door?"

He looked at the male secretary.

"Xiao Lin, go out and close the door." He Jinlong understood immediately and asked the secretary to leave the office.

There were only three people left in the room.

"Mr. He, my son's company has a way to solve the problem of insufficient performance of domestic engines!" Chen Gang couldn't wait to speak again.

"Dad, why are you so anxious?"

Chen Jin glanced at him helplessly, and signaled with his eyes: "Sit aside and stop talking, let me talk to Mr. He first."

He Jinlong gave him a surprised look, his face full of suspicion.

Chen Gang shut his mouth embarrassingly.

"Mr. He, can I take your time to talk about the development status of domestic engines, would you like to chat with me?"

"Yes, yes, of course."

He Jinlong nodded.

The two communicated.

Usually Chen Jin asks, and He Jinlong answers.

"Mr. He, tell the truth, how many years do you think our country's engine is behind the most advanced foreign engine?"

"Uh, at least thirty years away, to be honest, maybe even fifty years away!"

"Why is there such a difference?"

"Engine is the product that best reflects a country's industrial foundation. Our foundation is still too poor. Western industrialization took more than 300 years, and we have less than 60 years. Many basic fields are too far behind. Let me give you the simplest For example, the people of country M achieved a manned moon landing 52 years ago, and we are still unable to do so.”

"But I read in many articles that most of the material technologies that make up advanced engines have been overcome. The material problem is no longer a problem. The main problem is the engine design. We are not as good as others... Is this the reason?"

"Yes, you are right!"

He Jinlong nodded: "We have made up for the shortcomings in materials, mainly because of design problems. Our country has not yet produced a top engine designer."

Of course, the engine is not powerful, and it is not entirely the fault of the designers. The lack of investment from the country also accounts for a large part of the reason.

Because a good engine is not only designed, but also burned out!

Not to mention professional wind tunnels, test benches and other equipment.

Every time an engine test run is done, the consumption of aviation fuel is several tons, dozens of tons... and it needs to be burned every day and every year.

For example, if the engine enters the foreign object test, if a stone the size of a fist is thrown into it, the engine worth tens of millions will be scrapped immediately.

This kind of money-burning behavior, not to mention the difficult economic conditions of country Z, is now a rich and strong country Z, and it is still insufficient to invest tens of billions every year.

To put it simply, advanced aero engines must be "krypton gold" day after day and year after year before it is possible to win.

Once dismounted halfway, all previous efforts will be wasted immediately.

Only krypton masters can become a powerhouse in engine manufacturing.

but……

In Chen Jin's hands, there is a plug-in, which can not only save a lot of krypton gold costs, but also greatly shorten the development cycle of the engine.

When Chen Jin described this plug-in in front of He Jinlong, which "saved thousands of tons of fuel every day", "arranged hundreds of engines to test at the same time each time", and "shortened the development cycle by 90%".

He Jinlong immediately jumped up from the chair and shouted in shock: "How is this possible?"