With the spread of various commands from the tower, the catamaran transport plane rushed into the air and soon disappeared from the audience''s sight. They are not outside, but in a large conference room, where there is a huge LCD screen, which can clearly see the real-time situation of the aircraft through satellite photography.

    This group of audience is either the employees of Chongshi or the family members of Chongshi. Among them are long Jianhua''s family, Yu Wenxing''s family, Zhao Hanyuan''s family and Qin Wenbo''s family, as well as the senior management of the Research Institute and most of the personnel of the spacecraft design project.

    The commentator clapped his hands, "everybody, we can see from the picture that it has now reached twice the speed of sound; Our design requirement is to release the flying dragon when it is 18 kilometers away from the ground... "

    He faced the visitors and told them something common sense.

    Suddenly, there was a scream in the conference room. Many people pointed to the LCD screen wall and their mouths grew big.

    He looked around and immediately knew what was going on. He smiled, clapped his hands and shouted, "don''t be nervous. This is the scheduled position. The flying dragon will leave the transport plane here and fly alone. You can see the data. Now it has reached 18 kilometers... "

    Before his voice fell, he saw a huge flame at the tail of the flying dragon. The flying dragon began to accelerate, and the tail wing was slightly adjusted and climbed almost vertically.

    Some cheered, some breathed, some patted on the chest, and everyone''s face was white.

    That moment just now really frightened everyone. Well, the flying dragon suddenly broke away from the transport plane. When the transport plane left, it immediately threw the flying dragon far away and felt that the flying dragon was falling.

    Yu Wenxing looked at the crowd and said with a smile, "Xiao Zou just made it clear that the flying dragon will fly independently at about 18 kilometers. In my opinion, you are not good students. When others talk, your thoughts wander. "

    Jun Jun reached out and touched his hand. "Lao Dou, your hand is cold, which means you are more nervous."

    There was a roar of laughter in the room.

    Liang Shanghua reached out and slapped him, "you guy, no big or small."

    Zheng Yu said slowly, "don''t be distracted. They will enter 88 kilometers immediately. They will experience weightlessness in space."

    18 kilometers to 88 kilometers, three times the speed of sound of the flying dragon, not a minute.

    They immediately turned their attention to the flying dragon.

    Soon, the image in the cabin came, and long Jianhua''s voice came out, "we have entered the scheduled track."

    Zheng Yu glanced at the displayed height data, which had reached 88686 meters.

    At this time, Xinxin''s excited voice came, "I want to feel the magical sense of weightlessness in space."

    As soon as the voice fell, her seat belt was unfastened, and the person then floated up. She smiled and said, "what a wonderful feeling, it''s more comfortable than the simulated feeling."

    She floated to long Jianhua and asked with a smile, "dragon uncle, don''t you want to experience it? Space scenery can be experienced and appreciated. "

    Long Jianhua said with a smile, "we lined up to greet the families who care about us."

    Feilong''s cabin is not wide, and four people are crowded side by side; They lined up two floors, made a forward flying posture, waved to the camera in the nose direction, and shouted, "it feels great! The next trip, I''ll see you 100 kilometers away. Rebirth, good job! "

    Why does Chongshi Research Institute think that 88 km is not real space, but sub orbit? This involves a professional term - Carmen line, and there are two versions of the height of Carmen line.

    The Carmen line is named after the American engineer Theodore von Carmen. It is a virtual line with an altitude of 100 kilometers. This line is recognized as the boundary between space and the atmosphere. This statement is recognized by 96% of the people in the world; But another 4% believe that 80 kilometers above sea level is the starting point of space.

    Rebirth is a part of identifying with the 96% of people.

    Liang Shanghua asked, "88 kilometers have arrived. Why not fly directly to 100 kilometers? Not for half a minute. "

    Yuwen star wrinkled his face and patted Zhengyu on the shoulder, "Zhengzheng, you can explain to aunt and popularize science."

    Ask him, he doesn''t know. He can only find someone to answer this question.

    Zheng Yu glanced at Liang Shanghua, shook his head and said, "at 88 kilometers, the air is quite thin, but there is still a little; At an altitude of 100 kilometers, there is no air. Feilong is an aircraft, not a spacecraft, and the engine used cannot work normally. "

    Liang Shanghua hugged Zheng Yu''s shoulder and said with a smile, "Zheng Yu, engineering students are just different. They know a lot."

    Zheng Yu smiled and shook his head. After looking at her, he stared at the six people still experiencing weightlessness and said, "because my father wants to test fly, I read some books on this."

    Qinglan asked into the microphone, "Daddy, how do you feel?"

    Long Jianhua looked at the front camera and said with a smile, "it''s beautiful and wonderful. If you don''t come here, you don''t know the wonders here. "

    Liu Zhifei said with a smile, "everyone didn''t expect to say hello to them. His head is really rusty."

    Frightened by the decoupling of the flying dragon, everyone''s heads were short circuited. They even forgot to arrange the conversation with them.

    Junjun immediately walked over and said to the microphone, "sister, a front roll, and then a back roll."

    Xin Xin laughed and scolded, "you are playing monkey. do not do! But I can roll in place. "

    Then he twisted his body, quickly rotated it, rolled continuously for more than ten circles, and then grabbed the seat back and stopped.

    Qin Wenbo''s daughter said to the microphone, "Lao Dou, can you show us what we look like?"

    Qin Wenbo took down a camera and said to the front display, "it''s like holding a video conference. It''s a little delayed, but the image and sound are clear. "

    Zhao Hanyuan''s granddaughter walked up to the microphone and asked, "Grandpa, can you tell me a story?"

    Zhao Hanyuan said with a smile, "tell a story. Come back and tell it again. We''ll be back soon. We can meet in less than an hour. "

    The little guy clapped his hands. "Really, so fast."

    Her grandmother touched her head. "Grandpa said that the flight would only take an hour and a half at most."

    The little guy nodded and said to the microphone, "Grandpa, I want to hear your story."

    Zhao Hanyuan laughed and said, "OK, I''ll tell you two tonight."

    So it seems that his granddaughter is still very sticky to him, which is also the representative of the next generation parents.

    Then they heard "homing". Fasten the seat belt. "

    The six people floated back to their seats and sat down and fastened their seat belts. This is the end of the eight minute experience of weightlessness in space.

    Within half a minute, the wing of the flying dragon adjusted slightly and began to leave its original orbit and glide downward