Li Ying's father's name was Li Zhengku. He was in his fifties and had been transferred to the Armed Forces Department from the local military division five years ago. He had a strong military aura. He had short white hair and a strong and slightly plump figure. Even if he didn't wear a military uniform, one could still tell that he was a soldier.
Old Li had come this time because he had been invited to attend his old comrade's grandson's one-month-old celebration. He was just in time to catch up with Li Ying's return to school, so he had left two days earlier. He took a detour and came over to take a look.
Li Ying's father had always favored boys over girls, but it didn't mean that he looked down on Li Ying. He had always been mean to her and scolded her.
On the contrary, the care and concern that a father should have had was not lacking at all.
It was just that he had always regarded not having a son as the biggest regret in his life. He had always said similar things on a daily basis. The only time he had really gotten angry at Li Ying was when Li Ying secretly changed her college application for the college entrance examination.
Previously, Li Ying had accidentally killed a robber with a crowbar. Afterwards, she had developed some psychological problems, although they had been resolved in time after treatment. However, the school still had a responsible attitude towards the students and informed her parents.
After Li Ying's mother found out, she cried and shouted that she wanted to go to school immediately to see her daughter. However, she was stopped by Li Ying's father. He stopped his wife not because Old Li didn't care about his daughter, but because he thought that since the school had already said that there was no problem, his wife would only cause trouble if she went.
She was a child. Even if she was forced by the environment, she would still learn to be strong. If her parents went at this time, she would become weak.
Although Li Ying's father's words sounded very hard-hearted, he was very satisfied with his daughter's performance. The next day, he went out and wantonly announced it.
The moment he opened his mouth, he said, "My daughter is really the child of the Li family. In the middle of the night, she met two kidnappers who were kidnapping a child. Without saying a word, she went up to them with a crowbar. Bang! Bang! Bang! One of them was killed, and the other was half-crippled. "
Li Ying's father boasted, but Li Ying's mother was worried sick. She thought to herself, "My daughter has always been a tomboy. Now that her reputation as a" tiger "has been confirmed, who would dare to marry her in the future?"
Li Ying's mother was worried sick. Last summer, when Li Ying came home, the father and son secretly went out for a drink. After they came back, they became a complete gang. For the entire summer vacation, Li Ying basically accompanied her father to work every day and didn't stay at home much.
This time, when Li Ying's father heard that his daughter was studying drones with her classmates and was preparing to participate in the design selection of military colleges and universities in April, he was so surprised that he took a big turn that was nearly four hundred kilometers away, saying that he wanted to broaden his horizons.
Li Ying's father came. As Li Ying's good friends, Qu Sen and Zhou Li naturally had the obligation to accompany him. Of course, the reception was indispensable. Qu Sen was even pushed out to drink with them.
They drank more than eight ounces of white wine. Comrade Old Li didn't have anything to do. He patted Comrade Qu Sen, who couldn't even walk straight, and said, "Qu Sen, you still have to improve your alcohol tolerance. How can you be a soldier if you can't even drink half a liter of white wine?"
After the reception, the next thing was naturally to show Comrade Old Li the drone.
Although it was still an engineering prototype without a shell, Comrade Old Li had already talked to Li Ying before coming. He understood the great ability of this "remote-controlled toy" and personally controlled it to fly for a while under the influence of alcohol.
Looking at the night vision image transmitted back from the laptop screen, he smacked his lips and sighed, "Good stuff. It can also be used for fire prevention and anti-theft. If it's not afraid of water, it can also be used to patrol the banks during the flood season. "
In addition to assisting in the recruitment work every year, the local armed forces department was also responsible for organizing reserve training, fire prevention during the dry season, flood prevention during the rainy season, and so on. Based on Li Ying's father's work, he saw some directions for the use of drones, which also gave Qu Sen and the other two some inspiration.
Therefore, they immediately decided to add the application prospects of drones to assist in disaster monitoring in the introduction of the election.
After Comrade Old Li stayed at the school's guest house for a night, he took the train again and went to his old comrade's house. Qu Sen and the other two gathered their energy and re-invested in the development of the three drones.
But this time, the three temporarily put aside the software and began to focus on the design of the hardware structure. The reason was that Zhou Li went home and talked to his father about the difficulties faced by the three drones.
When it came to the production of the blades and the shell mold, Zhou Li's father said that their unit had just received a special 3D printer. Not only did it have super high precision, but it could also support a variety of special printing materials.
After they got their hands on it, they tried to print a pistol. The material's toughness could support more than ten shots.
If the drone made by Qu Sen and the other two was a mature product, the printed shell and blades may have problems in the service life. However, they were making a product for the election, which was an experimental thing. At most, they could print a few more sets of spare parts.
Although the cost of special printing materials was not cheap, compared to the mold, it was basically a fraction of the cost.
Qu Sen and the other two confirmed the detailed parameters of the motor and the high-precision gyroscope with the Bashu Electrical Appliance Manufacturing Factory and the Wuyi Institute. First, they designed the internal structure of the three drones. Then, based on the internal structure, they completed the design of the shell as quickly as possible.
It was already the end of February when the work was done. The official election was about to begin in a month. The three took the recommendation letter from the school and stepped on the train.
Before boarding the train, Qu Sen and the other two received very bad news. The results of the school's "investigation" showed that the organizers of the assembly event had received no less than 30 applications for small drones.
This meant that the original plan of using novelty and eye-catching "tactics" would not work at all. They could only compete with the other universities.
Qu Sen and the other two had the full support of the school, Professor Wu's technical support in the wireless connection, and the help of the Wuyi Institute to overcome the software and driver difficulties. However, looking at all the major universities in the military, the University of Information Engineering was not the only one related to communication.
There were also more professional electronic engineering universities and aviation industry-related universities. Those guys really had a lot of resources to use.
However, they had already reached this step. There was no turning back. They had to grit their teeth and push forward.
Ten hours later, the three got off the train and got on the bus. After two hours of bumpy ride, they finally arrived at the unit where Zhou Li's father worked.
Qu Sen knew that Zhou Li's father was a famous military designer in the military. However, he did not know the specific unit. When Beijing-20, who came to pick him up, entered the mountain, he thought he would be brought to a very secretive, or even underground, high-end research institute.
However, when he arrived, he found out that the three of them were at the foot of a mountain. Although the area was very large, it was filled with old military factory buildings.
Not to mention other things, the four-digit factory sign with white words on a black background hanging outside the door was a little tattered. Although the snow in the courtyard was very clean, when he looked closer, he saw that the cement walls of many old buildings were cracked and falling off. There was a red brick building that was even more exaggerated. There were clusters of withered yellow weeds on the roof. There was even a small one-meter tall tree with a few dead leaves hanging on it.
"This … is this building still habitable? There are trees growing here. "Li Ying sat in the back of the bus and couldn't help but mutter.
"That's an old factory. It's empty now." The driver casually explained.
The factory was indeed very large. After the 2020 bus entered the gate, it drove for more than ten minutes before the driver stopped the bus outside a half-new four-story building. Qu Sen looked through the window and saw three gilded words on top of the building's gate — Guest House.
Not only were the words heavily rusted, but the vertical part of the word "guest house" was also welded. It looked like a "swastika" that swayed when a gust of wind blew past.
"The chief engineer is very busy today. He will only be done at night." After the bus stopped, the driver began to explain, "The guest house has already booked a room for you. You can have dinner in the cafeteria. I will come and take you there. It's just a few steps behind the reception desk."
"Thank you. Sorry for the trouble." Qu Sen hurriedly said politely.
The driver didn't talk nonsense and took the three of them into the guest house. The receptionist was either a soldier's family member or an older sister of an employee. After checking their IDs, she gave the driver two keys and asked him to take them to the room.
The two standard rooms on the second floor were next to each other. The room was clean and the temperature of the heater was okay. However, it was very old. Although there was a shower, there was a note next to it that said the hot water supply time.
The TV was not much bigger than a washbasin and there were only a few of them. What Qu Sen didn't expect was that there were two thermos in the room. The big red bottle looked very festive, but it was a little old.
After the driver left, Qu Sen went into Zhou Li and Li Ying's room. The two girls wiped off the fog on the glass and were looking out curiously.
When Qu Sen approached the window, he could vaguely hear the sound of early revolutionary songs. He followed the two's gaze and saw a group of soldiers in vests digging a ditch in the distance. If Qu Sen's eyesight was not wrong, the source of the music should be an old double-cassette recorder.
"Hey, if the people in this courtyard changed their military uniforms to the old-fashioned ones, wouldn't we be able to film military dramas from the 50s and 60s?" Qu Sen leaned next to Zhou Li and looked outside.
"If you don't want to stay, go back!" Zhou Li said unhappily.
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