Vol 3 Chapter 2223: Excited with every launch

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

In Xinyuehu's space command and control hall, everyone stared at the picture on the big screen and shouted the countdown involuntarily.

With a burst of sparks from the nozzle of the engine 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 to slowly take 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 the sky apart.

At the same time, the big screen was also switched to several live media images. On the beach several kilometers away, thousands of tourists who gathered here finally got what they wanted. cheered.

Position 123 reported that the rocket tracking was normal, and the telemetry signal was normal.

Compared to the excited Wu Hao and the others, as well as the spectators such as the media reporters, the employees in the hall seemed relatively calm. They were all staring at their respective screens, busy with their work in an orderly manner. There are also various data information that are constantly updated and broadcasted in the broadcast.

After many times of experience, Wu Hao and the others have trained 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 could clearly see the self-portrait view of the rocket after taking off. The flames at the tail were burning slowly, and the distance from the rocket to the ground was also increasing. farther and farther.

Various perspective shots are displayed on the big screen, recording the entire flight process of the rocket. Among them, the infrared telemetry lens is the most important and most concerned by everyone. Because through this black and white infrared telemetry lens, you can see the working state of the entire rocket engine very clearly and intuitively.

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 silky, and there will be no changes. However, if there is a problem with the rocket engine, the state of the tail flame will definitely change. At this time, the ground telemetry personnel will be able to know and report to the command and control center in time to take timely remedial measures, or take decisive measures to reduce the loss to minimum.

Looking at the rocket flying steadily on the big screen, Zhang Jun said with a smile: "No matter how many times I have experienced it, I feel very nervous every time, and it's weird."

Wu Hao smiled and shook his head and said, "It's not surprising, after all, space launch is a high-risk activity, and until the end, no one knows whether it will be successful or not. It is precisely because of this that it is so fascinating. "

Zhang Jun nodded and looked at the rocket flying on the big screen and said with a smile: "It's really spectacular, hey, if I have time, I really want to go to the South China Sea Launch Site to watch it up close."

Haha, there will be plenty of opportunities in the future, you can go whenever you want. Wu Hao smiled and comforted.

Huh, that's true. Zhang Jun nodded and smiled, and then asked Wu Hao, "How long does this rocket take to fly, why is it 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 combination to the Earth-Moon transfer orbit, so the first-stage rocket will work longer than usual. Much longer.

If it is only a low-Earth orbit, it is usually about 120 to 140 seconds, and if it is a synchronous orbit, then it must rise to about 170 to 200 seconds. "

Looking at the flight time on the big screen, Zhang Jun couldn't help but worry: "The first-stage rocket has been flying for so long, will there be insufficient fuel when it lands?"

Don't worry about this, they are all calculated precisely, and a certain redundancy is guaranteed to deal with some emergencies.

As it is said, in the black and white picture of infrared telemetry on the big screen, the rocket flashed for a while, and then divided into two bright spots. Then, there was a broadcast on the radio.

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

Dongguai, the first-stage rocket starts to land according to the predetermined orbit, please do a good job of ground connection and pay attention to safety.

Dongguai understand!

At this time, the large screen is divided into two parts, and the large screen on the right continues to display the flight status and various data of the rocket. The small half of the screen on the left shows the flight attitude of the first-stage rocket landing, as well as the relevant flight and landing pictures detected from the landing platform and various angles.

Looking at the pitch-black first-stage rocket body in the picture, Zhang Jun couldn't help but complain: "I said that I can't save money so much, anyway, brush the paint before every use, it's not that good-looking.

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

Hearing Zhang Jun's complaints, Wu Hao replied with a smile: "Do you think you are painting ordinary paint? No, you are painting special paint, which requires meticulous spraying, which is very complicated. So the technical team thinks it is too troublesome. , plus cost savings, so gave up on repainting..

But it really shouldn't be, this time is also a major spaceflight activity for us, so we have to look better no matter what. "

Hey, is that right? Zhang Jun showed a satisfied look, then glanced at the busy Zhou Xiangming, and said to Wu Hao: "This matter has to be mentioned to them later. Although it is a small matter, it cannot be ignored, right? It's too casual."

OK, I'll bring it up again. Wu Hao nodded and replied, it's a small matter anyway, just turn around and say something.

The main picture on the left side of the big screen starts to switch to a special perspective. This is the picture taken by the surveillance camera on the combination of the 'Wangshu No. 2' intelligent lunar surface detection experimental vehicle and orbiter inside the fairing~www.readwn. com~ can see part of the assembly and most of the inner wall of the fairing. The screen switches to this, obviously this is also a point that everyone is concerned about, that is the most critical throwing fairing in the rocket launch.

When the rocket flies out of the dense atmosphere, the fairing on the top of the rocket to protect the load needs to be thrown away separately. It seems like a small action, no big deal, but in fact this action is very important, because many rockets fail to launch because the fairing is not successfully separated and thrown away, so the load inside cannot be released normally. So the screen switches to this, just to pay attention to whether the fairing can be opened and thrown away smoothly.

In the anticipation of everyone, the screen suddenly flashed, and then the fairing disappeared, and a blue picture of the earth appeared.

"Throw the fairing!"

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