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1369 Beyond the original Long March No. 3 armor

"Is there a person named Guo Wanjun in the Dongfeng-31 project?" Liu Yijiu wanted to say this before, but every time he talked to the mouth, he couldn't remember it for a moment, and this time he remembered it completely.

Many technical details of the Dongfeng-31 project were leaked, which eventually led to a comprehensive acceleration of the deployment of Dongfeng-41.

Even foreign countries know about this kind of project because of the existence of this product.

"What's wrong? I haven't heard of this name. Do you want to poach people from us again?" When Mr. Qian heard Liu Yijiu ask someone, he immediately became alert.

When Liu Yijiu wants to poach people, he must first understand people clearly.

"You guy said that you can't come to us to poach people again. Even Lao Liang and the others are on your side. Although they don't belong to your Ninth Hospital and their relationship is still in our aerospace industry, they are all serving your projects... If they poach people again, it will not be appropriate..." Mr. Qian saw that Liu Yijiu's mouth twitching, as if there was a conspiracy that he had exposed, and immediately became a little dissatisfied.

This kid is really too much.

Seeing that he was about to set off to the Jiuquan satellite launch base, Liu Yijiu didn't say much, but was just preparing to deal with such a thing when he came back.

Such a major espionage case affects the interests of the entire country.

"Let's talk about it until you come back."

Along the way, Mr. Qian kept watching Liu Yijiu very tightly, and he was not allowed to explore news about middle-aged technical backbone in aerospace.

The Ninth Academy also has a missile project, which is obviously a spaceflight project.

They are engaged in two projects that were forced to dismount, Dongfeng-6 and Dongfeng-7, which are not very conflicting with the current aerospace projects. At the same time, the technology invested by the Ninth Institute is a good thing for the entire aerospace industry, and many technologies can be used directly.

There are advantages, but the disadvantages are equally obvious.

The domestic talent training in this area is simply not up to date, especially the experienced middle-level technical backbone, the people from the Ninth Hospital, who are obviously unable to wait.

Poaching people is the basis for their development.

Liu Yijiu must be stopped from digging the corners of space again.

For this matter, the Ministry of Aerospace Industry even made a move to let Liang Sili and Ren Xinmin lead a huge technical team to the Dabashan base of the Jiuyuan Courtyard.

"I said, Dad Qian, we are a family at least. It's not good for you to be so thief-proof, right?" Liu Yijiu originally wanted to understand the situation through their people, but he didn't expect that he would stare at himself when he arrived at the satellite launch base.

This is really unpleasant.

"You kid still know it's a family? We aerospace people are nervous, one carrot at the same time, and even many pits are waiting for carrots..." Mr. Qian didn't buy this kid's account.

I really understand it too much.

"I really don't want to poach people. Forget it, I'll talk about this matter until it's launched!" Liu Yijiu was also helpless.

If he said that Guo Wanjun had been bribed by Taiwan's spy Wo Weihan and sold some technical information about Dongfeng-31, this might not even make Mr. Qian and others believe it.

Liu Yijiu has no evidence!

What I know is just based on history.

Is the history of this world still the same as before?

No one knows it.

"As long as you don't poach people, it's easy to say. I'm talking about it? Our two technologies are both universal..."

Mr. Qian was happy when he heard Liu Yijiu say he would not poach people.

"Now that the Rocket sub-stages have begun to be connected vertically before launch, are you not going to take a look?"

"Look! Although I have read it on the drawings and even understood the production process, I have never seen the launch yet!" Liu Yijiu said the truth.

He has seen the spectacularity of satellite launches countless times before, but he has never visited it on site.

The total length of the Long March 3 A rocket is more than history. It is docked with satellites and fairings, etc., and the length reaches 55 meters. In other words, the entire length is almost 20 stories high!

How spectacular this thing is. It is absolutely impossible to have such a deep feeling without standing in front of it.

Even when you see this spectacular object built by humans assembled like building blocks, you will never be able to experience the shock in your heart without visiting the scene in person.

"We have seen this thing assembled with our own eyes. It's impossible to see at first sight! Mr. Qian, how spectacular the Soviet Union's take-off thrust was?" Looking up at the rockets and satellites that were doing the docking work of star arrows, Liu Yijiu was thinking about the super rockets of the Soviet Union that had not been surpassed by anyone in the entire world for many years.

The Energy carrier rocket is about 60 meters long, with a total weight of 2,400 tons and a take-off thrust of 3,500 tons. It can send 100 tons of payload into low-Earth orbit. Since its appearance, this rocket has maintained the title of the world's largest rocket with the largest take-off mass and thrust for nearly a hundred years.

It is precisely because of this thing that the Soviet Union was the first to establish the International Space Station of Mir in the Earth orbit, and was organizing the transfer of laser weapons and other celestial attack weapons to it!

China has been unable to surpass it for many years.

"Oh, we must admit that the gap with them is too big. Even the Americans gathered their aerospace forces and the entire Europe in this regard, and there was no way to compare with them. Only by understanding aerospace technology and the better our technology development, can we understand that the United States landing on the moon you said was a joke..." Old Qian also revealed his deep yearning.

Soviet rockets have one characteristic, that is, their diameter is large!

Take Energy Number as an example. This thing is divided into two stages: boosting stage and core stage. The boosting stage is composed of four liquid boosters, each booster is 32 meters long and 4 meters in diameter; the core stage is 60 meters long and 8 meters in diameter, and is composed of four liquid rocket engines.

Basically, their boosters are larger than those of China's rocket main body!

It is not bragging that people can send hundreds of tons of things to low-Earth orbit.

Before, Liu Yijiu said that Americans landed on the moon was fake, and there were still great doubts.

After all, the technology required here is too complicated.

"Sooner or later, we will have such a rocket!" Liu Yijiu licked his lips.

In front of the launcher, the third-stage sub-stage of the Long March 3 A rocket has been fully docked. After the satellite is docked, a fairing must be installed. By that time, the docking work will basically be completed.

The Rocket does not have a booster, and the diameter is due to the rocket engine. The bottom first and second stage booster stage is 3.35 meters in diameter, while the third stage has also increased to 3.35 meters, and the diameter of the fairing is also 3.35 meters.

It looks like a straight pillar standing in front of the launcher from the ground.

Liu Yijiu didn't even ask whether such a design would cause head errors due to gravity problems.

It can be designed with the launch platform, at least there will be no problems with various theories.

After the star arrow docking is completed and the fairing is added, the docking work is completed.

Next, technical experts conducted multiple general inspections according to the design.

During the persistence process, different personnel conduct cross-checking to avoid launch failure due to personnel's mistakes.

A rocket is worth tens of millions, and a satellite is worth the money of Laozi.

Of course, the loss of money is not very important. What is important is that once the launch fails, it will be a blow to the confidence of all scientific researchers.

"Next, we will conduct joint satellite/rocket operations, and we must not make any mistakes!" In the control center, we completely replaced the most advanced microcomputer produced by the Ninth Academy, with a supercomputer as a server.

Next to each computer, there are operators.

They wore white coats and white hats, and completely dusted and removed static electricity before entering the control center.

Liu Yijiu and other military personnel were wearing very military uniforms.

Basically, there are very few school officials carrying two bars, most of them are generals carrying shining stars.

When the order began, everyone became nervous, and the breath in the entire control center was paused.

The operator was tightly straight and observing the conditions of each system, his eyes were staring at the various data on the display screen.

Even Liu Yijiu and others were infected by this tense atmosphere and did not dare to show off.

"The power system is normal..."

"The control system is normal..."

"The telemetry system is normal..."

"The external safety system is normal..."

"The star-arrow separation system is normal..."

...

With the beginning of joint operations, under the remote control of the operator through radio signals, the status of various systems is fed back to the display screens of each computer through the rocket and internal detection systems of the satellite.

All systems are normal.

"You can fill fuel now, right?" a military personnel asked.

Mr. Qian shook his head, instead asked the control center to perform multiple operations, confirming that there were no problems, and arranged another general inspection.

Then I also asked the meteorological monitoring department and confirmed that there was no abnormal weather at the scheduled time before I ordered the fuel to refill.

The first and second stages of the Long March 3 A rocket use conventional fuel, the upper part is an oxidant tank containing liquid nitrous tetroxide, the lower part is a combustion tank containing liquid dimethylhydrazine, and the third stage uses liquid hydrogen and liquid oxygen fuel with high altitude starting capability.

There is a fuel filling pipeline inside the launch tower, and the fuel is stored in the base before filling.
Chapter completed!
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