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Chapter 2223 Every launch is doubly exciting

"Ten, nine, eight, seven, six, five, four, three, two, one, ignite, take off!"

In the Xinyuehu Space Command and Control Hall, everyone stared at the picture on the big screen and involuntarily shouted the countdown.

As a burst of sparks came out of the engine nozzle at the bottom of the Jianmu-7 rocket, the atomized fuel was quickly ignited, and then a huge flame, sound, and white smoke were produced, pushing the rocket slowly off into the air.

Even through the big screen, Wu Hao and the others could feel the huge roar of the rocket. At this moment, the sound was enough to tear through the sky.

At the same time, the big screen also switched to several live media scenes. On the beach a few kilometers away, thousands of tourists gathered here finally got what they wanted. Seeing the scene of the rocket launch, they all

Cheered.

Position 123 reports that the rocket tracking is normal and the telemetry signal is normal.

Compared to the somewhat excited Wu Hao and the media reporters, the employees in the lobby seemed relatively calm. They were all staring at their screens and busy with their work in an orderly manner.

The radio also carried various data information that was continuously updated.

After many experiences, Wu Hao and the others have developed a launch team with excellent quality and skills, so everyone responds very calmly, calmly and professionally.

The picture on the big screen began to switch to the external surveillance camera on the rocket body. Through the lens, everyone can clearly see the selfie angle after the rocket took off. The flames at the tail are slowly burning, and the distance between the rocket and the earth is also getting closer and closer.

Coming further and further.

Various angle lenses are displayed on the large screen, recording the entire flight process of the rocket. Among them, the infrared telemetry lens is the most important and attracts the most attention. Because through this black and white infrared telemetry lens, it can be very clear and intuitive

You can see the working status of the entire rocket engine.

In professional terms, it is to look at the combustion state of the tail flame. Normally and clearly, the entire tail flame combustion is very stable, smooth and smooth, and there will be no changes. But if there is a problem with the rocket engine, then the tail flame injection

The status will definitely change. At this time, ground telemetry personnel will be able to learn and promptly report to the command and control center to take timely remedial measures or take decisive measures to minimize losses.

Looking at the rocket flying steadily on the big screen, Zhang Jun said with a smile: "No matter how many times I experience it, I feel very nervous every time, which is strange."

Wu Hao heard this and shook his head with a smile: "That's not surprising. After all, space launches are now a high-risk activity. No one knows whether it will be successful or not until the end. It is precisely because of this that it is so fascinating.

"

Zhang Jun nodded and looked at the flying rocket on the big screen and smiled: "It is indeed very spectacular. Hey, if I have time, I really want to go to the Nanhai Launch Site to watch it up close."

Haha, there will be many opportunities in the future, you can go anytime. Wu Hao comforted him with a smile.

Haha, that's true. Zhang Jun nodded and smiled, and then asked Wu Hao: "How long will it take for this rocket to fly? Why are they still not separated?"

Hearing Zhang Jun's words, Wu Hao explained with a smile: "This is a lunar exploration project, so the rocket has to send the lunar rover and orbiter assembly to the Earth-Moon Transfer Orbit, so the first-stage rocket will work longer than usual.

Much longer.

If it's just a low-Earth orbit, it's usually about 120 to 140 seconds, and if it's a synchronous orbit, it has to go up to about 170 to 200 seconds."

Looking at the flight time on the big screen, Zhang Jun couldn't help but worry: "If the first-stage rocket flies for such a long time, will it not have enough fuel when it lands?"

Don't worry about this, it's all carefully calculated, and a certain amount of redundancy is guaranteed to deal with some emergencies.

That's right, in the black and white infrared telemetry picture on the big screen, the rocket flashed for a moment, and then divided into two bright spots. Immediately afterwards, a report came from the radio.

"The first and second stages of the rocket separated, the second stage rocket engine ignited successfully, worked normally, and the rocket's flight attitude was normal!"

At the end of the tunnel, the first-stage rocket began to land according to the predetermined trajectory. Please do a good job in ground support and pay attention to safety.

Dongguai understands!

At this time, the large screen was divided into two. The large screen on the right continued to display the flight status of the rocket and various data. The smaller half of the screen on the left displayed the flight attitude of the first-stage rocket as it landed, as well as the landing position from the landing platform.

As well as related flight and landing images detected from various angles.

Looking at the pitch-black first-stage rocket body in the picture, Zhang Jun couldn't help but complain: "I can't save money so much, at least it should be painted with new paint before each use. It doesn't look good at all.

It's so dark and ugly, it affects the overall image of our rocket."

Hearing Zhang Jun's complaint, Wu Hao smiled and replied: "Do you think it is ordinary paint? No, it is special paint and requires detailed spraying. It is very complicated. So the technical team found it too troublesome.

, plus cost savings, so I gave up re-spraying.

But it really shouldn’t be, this time can be considered a major space event for us, and we have to make it look good no matter what.”

Hey, is this right? Zhang Jun showed a satisfied look, then glanced at the busy Zhou Xiangming, and said to Wu Hao: "I have to mention this matter to them later. Although it is a small matter, we cannot ignore it.

Yeah, it’s too casual.”

Okay, I'll mention it later. Wu Hao nodded and replied, it's just a small matter anyway, just mention it later.

The main picture on the left side of the big screen began to switch to a special perspective. This is the picture taken by the surveillance camera on the 'Wangshu-2' intelligent lunar surface exploration experimental vehicle and orbiter combination inside the fairing. Part of it can be seen

The assembly, as well as most of the inner walls of the fairing. Switching to this, it is obvious that this is also a point that everyone is paying attention to, that is, the most critical ejection fairing in rocket launch.

When the rocket flies out of the dense atmosphere, the fairing on the top of the rocket that protects the payload needs to be thrown away separately. It may seem like a small action, no big deal, but in fact this action is very important, because many rocket launch failures are due to fairing.

The cowl was not successfully separated and thrown away, resulting in the load inside not being released normally. So the screen switched to this to pay attention to whether the fairing could be opened and thrown away smoothly.

Amid everyone's expectations, the screen suddenly blurred, and then the fairing disappeared, and a blue earth screen appeared.

"Throw the fairing!"


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