This tower, known as Penglai tower, has been certified as the tallest tower in the Guinness world.

    The central part of Penglai tower is a circular hollow, which will be the "traffic pipeline" of cable and lift car.

    "How are you going to lay the cable?" Du Xingyu asked Chai Boyan.

    "At present, the plan is to split the cable into multiple sections and transport it to the synchronous orbit by rocket. The cable hangs from the counterweight and connects to the Tiangong space station, where one section of the cable is fixed, dampers and related supporting equipment are installed, and then the next section is hung down and connected in turn," Chai Boyan replied.

    "At present, the difficulties are whether the 40000 km long carbon nanotube cable can pass the tensile test and whether our space installation steps can be completed smoothly."

    "HMM." Du Xingyu nodded irrefutably. This is the most reasonable installation method at present.

    After the final inspection of each main body, the installation of the first space elevator of all mankind will finally begin!

    Changhai satellite launch center, the xingkong-3 nuclear thermal rocket newly developed by Huaxia space agency, sends carbon nanotube cables to the Tiangong space station, a synchronous orbital station 36000 kilometers above the earth''s equator, and the base of a higher near earth spaceport.

    When the rocket reaches the corresponding altitude, the transport module carrying the cable separates and flies slowly to the base of the space station and the spaceport.

    Then, the astronauts of the space station went out of the cabin for installation. In this process, the space station and aircraft should always observe the position of the cable. When the cable is placed too long, the angular velocity of the head and tail deviates from the axis and destroys the overall structure.

    There were also some accidents during the period, but fortunately, they all went through smoothly.

    "It is reported that the phase from the near earth space port to the Tiangong space station has been completely completed," reported the astronauts in charge of the first section of carbon nanotube cable.

    "The A1 cable from Tiangong space station to the ground has been laid." the space station also heard the news.

    "A2 section cable has been connected successfully..."

    The cable extends from space to the ground.

    "After the laser positioning is completed, the last section of the ground is connected." on the tower of Penglai tower, the long tower crane limits and corrects the cable according to the position corrected by the laser.

    The end of the carbon nanotube cable is connected with the anchor of the tower, and the rope machine rotates slowly to keep the cable straight.

    At the moment, the tension structure of the cable depends on the centrifugal force of the earth''s rotation, and the ground tower is fixed. The space station should always monitor the state of the cable to ensure the stability of its structure.

    "The cable connection is completed!" the cable operation was carried out for several consecutive days, during which several batches of engineering teams were changed.

    In recent days, Du Xingyu and others can only sleep three or four hours a day on average, and then have to command and control nervously.

    The engineers were relieved to hear that the connection was completed.

    "OK! Continue to maintain the status monitoring and start installing the lift car until I wake up!" Du Xingyu said this with dark circles under his eyes, and went to sleep directly on the table.

    "Chief engineer Du is too tired. He has solved several problems these days." Chai Boyan said, "let him have a good rest. We will solve the lift car installation together with German experts."

    Du Xingyu has been sleeping all day and night. In order not to let him starve and hurt his body, the doctor gave him glucose to supplement energy and water.

    When Du Xingyu woke up, the engineers told him that the lift car had been installed and preliminary tests had been carried out. At present, everything is in good condition.

    "Commander in chief, at present, we have connected the five main bodies of the ground station, cable, lift car, space station and counterweight." Chai Boyan looked tired, but his tone was very excited. "There is no problem with the first test run! I suggest we can announce the news!"

    In the past, such a super project could not be opened for formal operation without tens of thousands of simulation tests.

    But things are urgent and right. Now humans don''t have so much time to test slowly. Since the simulation operation and preliminary test have passed, the ladder must be used immediately.

    The near earth spaceport is still waiting for big construction!

    The whole world pays great attention to the ladder, so when the news of the first official transportation of the ladder came out, the media all over the world flocked to wait for real-time coverage of this event!

    As usual, Du Xingyu opened the live studio to watch their achievements for more than a year with hundreds of millions of viewers.

    On the chattering short video, Du Xingyu sent a short video, which is the perspective of UAV aerial photography of the sky ladder.

    In the video, a carbon nanotube cable falls from the sky, passes through the clouds and is connected to a huge tower more than ten kilometers high. Under the tower is a beautiful artificial island.

    This scene looks like a scene in a science fiction movie!

    At all times and in all countries, there are many myths and legends that people can climb the sky and reach the sky directly. Now, technology has turned this fantasy into reality, which excites the viewers who brush onto the video.

    "6666! Heaven''s elevator!"

    "It''s shocking. This is human wisdom!"

    "Is the space elevator caused? When does it run?"

    "It''s only been completed in more than a year? Isn''t it a concept video?"

    In the creator''s Avatar, it shows that the author is broadcasting live, and the audience click in to watch it.

    As soon as we entered the live broadcasting room, everyone saw a magnificent super tower, Penglai Tower!

    The visual effect of the super tower with a ground height of 140000 km is undoubtedly very shocking. The constructors and engineers standing on the tower are like small black spots. They can''t see clearly if they don''t zoom in the lens.

    "Sleeping trough!!!" some viewers were amazed at the picture of Penglai tower for the first time.

    "However, I have no culture, a lying trough goes all over the world!"

    "I''m afraid of heights. If I''m allowed to go up, I don''t dare to go a step!"

    "I don''t think the tower needs a space elevator if it''s a little higher. It goes directly into space!"

    As the UAV approaches, Du Xingyu and a group of engineers are discussing the operation of the lift car.

    Facing the live camera, he said: "audience friends, as you can see, we will immediately start the operation of the ladder."

    "This time, we are going to send 100 tons of materials and three space assembly robots to Tiangong space station."

    "In the past, such quality required at least one heavy-duty rocket to be sent into space at a cost of tens of millions. But today, we will use elevator transportation to send these quality into space at a cost of less than 10000 yuan!"

    In the video, the lift car of the space elevator has appeared!

    Its shape is completely different from the elevator in people''s common sense. It''s more like a flying saucer! But the middle is hollow, the outside is a circle of circular space, and there are rocket thrusters at the bottom! This thruster is generally not started, but only in case of accident.

    Usually, the lift car is lifted up by roller climbing. After breaking away from gravity, this kind of climbing requires little energy.