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Chapter 1647: China can take off

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    As for the outer space orbit usage fee, why South Korea¡¯s Daewoo Group still doesn¡¯t know about it. The reason is very simple, that is, no one in the entire small aerospace club thinks that South Korea¡¯s Daewoo Group has the qualifications to join.

    In other words, no one is optimistic about South Korea¡¯s Daewoo¡¯s ¡°Naro¡± launch vehicle.

    Based on this, those so-called foreign experts and senior figures in the aerospace industry who praised the "Luolao" launch vehicle are all lies.

    Although South Korean people are used to injecting themselves with chicken blood, it does not mean that they are a group of fools. By comparing the questions asked by their reporters and the German media, they naturally noticed something fishy.

    As a result, the hotline number at the KBS News studio in Seoul was instantly blown up. On the Internet, a group of enthusiastic young Koreans even asked the South Korean Daewoo Group fiercely whether it was playing with national sentiments!

    With such a serious crisis of trust, KBS, a TV station invested by South Korea's Daewoo Group, naturally has to come forward to make some clarifications. Of course they can't do it themselves. The problem is that there is a ready-made professor from the Department of Aeronautics and Astronautics of Seoul National University in the studio today.  .

    More importantly, in addition to working at Seoul National University, Lee Dong-soo also studied aerodynamics at Princeton University in the United States in his early years. Later, he served as a visiting scholar at Imperial College in the United Kingdom for three years. After Daewoo Group launched the "Naro" carrier rocket  , went to Russia as a special consultant to negotiate for the Daewoo Group on the transfer of Russian-made first-stage rocket technology.

    It can be said that Lee Dong-soo is at the top of the aerospace pyramid in South Korea.

    Because of this, just as the crisis of trust was about to expand, the beautiful anchor's earphones kept coming with instructions from the producer asking her to ask Li Dongxiu questions. So the beautiful anchor thought for a while and then asked Li Dongxiu: "Professor Li, Zhuang Jianye, China's soaring  You just heard what he said. It is extremely arrogant. Not only does it charge various countries for orbital use, but it also asked reporter Park in front, what does it mean to launch 11 different types of spacecraft five times in half a month? Now the audience, friends  Everyone has a question, what does Zhuang Jianye mean by this? Can our Luo Lao launch 11 different types of spacecraft five times in half a month?"

    Listening to the beautiful anchor's questions, Li Dongxiu in front of the camera looked calm and indifferent, expressing the professor's nobility and elegance just right. However, deep inside where the camera could not see, Li Dongxiu had a ferocious look on his face. He wished he could do this.  He transformed into a ferocious beast and choked the beautiful anchor opposite him.

    How many holes do you have to have in your head to ask such a boring question?

    You know, even Americans are avoiding talking about this matter, not because they don¡¯t want to comment, but because they don¡¯t know if they have stepped down after commenting on it.

    Because that means that it is not the launch success rate and rocket reliability that can be seen by anyone with a discerning eye, but the extremely powerful aerospace industry manufacturing capabilities behind China¡¯s take-off.

    I think back during the Cold War, former Soviet leader Khrushchev told the Americans during his visit to the United States that the production of launch vehicles in the Soviet Union was as simple and efficient as producing sausages.

    This is of course bragging, because it turns out that the complexity of aerospace products such as satellites and launch vehicles is not much worse than that of large jets. Because of this, the production cycle of the entire aerospace product is particularly long.

    Take South Korea¡¯s Daewoo as an example. For a small satellite weighing less than 200 kilograms, it takes the Daewoo Group more than half a year to complete, and subsequent testing will take at least 2 months.

    In other words, it will take Daewoo Group 8 months to complete an artificial satellite ready for launch.

    As for the "Luo Lao" carrier rocket, it will take a 10-month cycle before it can officially roll off the production line.

    Europe is a little better than South Korea. Its flagship Ariane series launch vehicle takes 6 months, and satellites take 3 months.

    Russia was more efficient during the former Soviet Union, but since its disintegration, it has been basically similar to Europe.

    The United States is better than everyone else. Some fast launch vehicles and satellites can be produced, manufactured, tested and launched within a month.

    The reason why the cycle is so long is mainly due to certain special properties of aerospace products. For example, during the manufacturing of launch vehicles, a large number of small burrs and burrs will be produced due to material, processing and process problems. If they cannot be processed in time,  , it is very easy to cause seal leakage or other hidden dangers during rocket launch, causing the entire rocket to explode and be scrapped.

    ¡°The work of cleaning such burrs and burrs cannot be done mechanically. We can only rely on experienced technical workers to drill into the cavity of the launch vehicle and deal with it inch by inch.The first-stage rocket is okay. It has a large diameter and is easy to drill. It is not too troublesome to work. However, the diameter of the second-stage and third-stage rockets is getting smaller and smaller. In addition, many internal equipment occupy most of the space.  There is so little space that skilled workers often have to work in weird postures for several hours, making it impossible for many people to straighten their waists and move their arms when they finish work.

    What¡¯s more, the weight and body shape of some skilled workers must be strictly limited. Otherwise, if they have too much flesh, they will not be able to get into a small space to work.

    Li Dongxiu once met a 58-year-old technician at a launch vehicle production factory in the Ural Mountains Industrial Zone in Russia. He was the only technician in the factory who could work in the small space of three-stage launch vehicles and fairings.  In addition to the superb skills of this old technician, more importantly, the old technician, who is less than 1.7 meters tall, maintains a weight of 55 kilograms all year round. Therefore, in the Soviet era, he was trained as a professional in this field by the factory.  Ten years.

    Similar situations exist in Europe, South Korea and even the United States. Because of this, the manufacturing of launch vehicles is really difficult to speed up.

    If it is not fast, it means low efficiency. Low efficiency will inevitably lead to higher costs. This is why many people in the aerospace industry believe that China's so-called cheap aerospace is a paradox, because the production efficiency of the world's aerospace products lies there.  Why are you so cheap?

    However, China Takeoff has used five consecutive high-frequency successful space launches in half a month to tell the world that what you can't do, China Takeoff can do; what you think is a paradox, China Takeoff can do it logically, otherwise it would be a matter of course.  , in the aerospace exhibition hall of the Abu Dhabi Defense Exhibition, it is impossible for China to take off and hang up just one banner: "We can shoot faster, farther and longer than anyone else!"

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