"Academician Chen, how do you take out an aircraft that can meet the requirements within a week? This is not a joke!" After the meeting, representatives of scientific research institutions led experts in aircraft research and development and manufacturing to find Chen Xin and asked him with concern.

Your expert in aircraft research, development and manufacturing was also frowning, because with his decades of work experience, he could not think of the reason why Chen Xin could guarantee that he would come up with a solution in a week.

The years of designing an aircraft have always been based on years. The Y-9 transport aircraft was first established in 1969 and was not officially unveiled in 2005.

Although there are various problems in the middle that the development of Y9 was interrupted, the time required for aircraft development can also be seen.

Even if Chen Xin only made improvements on Y9, this is not something that can be accomplished in a week.

Chen Xin was certainly confident about this problem, but he also knew that the problem could not be solved by just one plane.

Moreover, what they are talking about does not refer to a simple one, but a model, or a solution that can enable a batch of current ready-made aircraft to meet the requirements in a short time.

This may be impossible for others, but for Chen Xin, one week is enough.

"Please rest assured, I have already issued a military order in front of the leader, so I won't joke about such things." Chen Xin smiled at the two people in front of him and explained to them: "The Yun9 is an aircraft with a very good design and has a ready-made model. On the basis of it, I don't need major changes at all.

It is only necessary to improve the aircraft's engine and air intake ducts so that the aircraft can be competent for the current environment, and to meet the requirements and complete this mission.

Although it was a little tighter for a week, I was still confident that I could handle this."

"Although that's the case, are you really sure Academician Chen?" The expert confirmed to Chen Xin. He was still worried that Chen Xin could really complete the task: "I understand the design of Y9, so why don't I help you!"

"Thank you for your kindness, but you should have important work to do, right? Please believe me. Since I dare to make a guarantee to make a military order, I will be confident enough to complete the task." Chen Xin declined the experts' kindness. He had the system to help Chen Xin was confident enough to solve this problem himself. Of course, he did not need to waste other people's time to help him.

Seeing that Chen Xin was so confident, the representatives and experts had no choice but to acknowledge his decision to complete this matter independently.

"Why don't you use an airship? Although Zeppelin's airship is a bit slow, it should still be useful in this environment, right?" Chen Xin remembered an ancient flying tool and asked the representative in confusion.

Airships first appeared in the 19th century. Although it was indeed a new type of aircraft at that time, it was not very mature and practical.

It was not until 1900 that Hans's Earl Zeppelin built the world's first hard airship, and this aircraft truly matured and began to shine.

Not only used for civil use, but in that era when there were no aircraft, this large aircraft that could fly into the sky was also widely used in the military.

This also gave birth to the largest aircraft in human history - the Hindenburg airship.

This 803-foot-long giant has an extremely amazing size and can accommodate 72 passengers. In that era when the plane was not able to fly over the Atlantic Ocean, it took only two days to fly to the other side of the ocean. It took five days to run the entire journey. In that era when it was only possible to rely on cruises across the Atlantic Ocean, it was extremely amazing.

Of course, such a large airship actually has not high load capacity. At that time, in order to ensure the smooth launch of the airship, everything on the airship was reduced in weight and still had low carrying capacity.

Although it has a huge size comparable to the Titanic, at most it did not carry a hundred people along with the staff.

Moreover, with the Hindenburg crash in 1937, it completely burned in just 32 seconds, and the decline of the airship era was announced. Since then, humans have never built large airships again, and related research has gradually emerged in recent years.

However, although airships have various problems, they can still play some role in the current environment where such aircraft are not useful.

However, the representative shook his head and said helplessly: "Airships can indeed come in handy, but their cost-effectiveness is too low. Soft airships are relatively cheap, but the load is not high. It may be fine to transport a few people, but if you want to transport supplies, you still need a large hard airship.

But the cost of a large hard airship...not to mention the cost, the carrying capacity and flight speed are not good after it is built, so it is better to build an old-fashioned propeller aircraft!"

"That's true..." Chen Xin touched his chin, and he really didn't expect this.

The representatives and experts saw that Chen Xin had made up their minds and had no intention of persuading him. So after saying a few words when needed, they said goodbye and left.

Shortly afterwards, the Y9 design materials that Chen Xin needed were sent over, and the plane he needed was found in a combat preparation airport in Yu City.

If it were in the past, the design data of the Y9 could be filled with a Y9 with just the drawings, but now it only requires a hard drive to handle it.

Looking through the computer, looking at the design drawings of the Y9, although Chen Xin didn't quite understand these things, he could still understand the drawings.

The Y9 itself can actually carry flight missions in such harsh environments, but the key lies in the engine's air intake.

Even if the Y9 uses a turboprop engine, the demand for air intake is only a little smaller than that of a turbojet engine.

There are four engines on the Y9. The model used is the turboprop-6C engine independently developed by Yanguo. It has an output power of up to 5,100 horsepower and a total of 3751KW. It is obviously unlikely to replace it with a piston engine.

Even if Chen Xin can directly change the engine on the plane to a piston type using system upgrades, it will be a major project to replace all aircraft across the country.

Therefore, the solution Chen Xin can provide must be a method that can solve the problem in a short period of time and does not invest much. Otherwise, although it is not useless, it will be less practical for the country.

After all, if it is a replacement, the cost of replacement, time, and engine production cost are a huge consumption. In the current situation where the crisis is about to face, there is no time to work slowly.

Therefore, for Chen Xin, the most important way to solve the problem is of course to improve the air intake duct of the aircraft and install an air filter device as done on a helicopter.

You should know that after the eruption of the Doba volcano, in addition to the dust and particles caused by the previous meteorite impact, there will also be a large amount of volcanic ash suspended in the air.

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