Otaku Engineer in Great Tang Dynasty

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"Father! This variable speed bicycle is indeed different from the previous bicycles. This is the second-generation variable speed disc brake bicycle newly developed by the Qiquge workshop. It was sent to the palace by the Hou of Yongan, and he asked his son to replace it. He gave it to the emperor!"

In the Ganlu Palace, Li Er walked down from the dragon couch at the top and looked at the bicycle curiously, Li Chengqian explained quickly.

The bicycle that Li Zexuan gave to Li Er is naturally different from other variable speed bicycles. This difference is mainly reflected in the appearance. Li Er's bicycle has a five-clawed golden dragon pattern on it, which represents the Supreme Being of Ninety-five and the whole world. Only Li Er can ride!

"Shifting? Do you mean this bike can also change speed?"

Hearing this, Li Er was immediately puzzled.

"Uh! This, Erchen just studied it privately. This variable-speed bicycle built by Hou Xinnong in Yongan uses the pedal to drive the chain, and the chain drives the rear wheel to move forward. The rear wheel is equipped with large and small teeth with different numbers of teeth. Gears, the chain can be put on different gears through the shift controller on the handlebar! The smaller the number of teeth on the rear wheel, the larger the transmission ratio, and the more circles the rear wheel rotates when you step on the pedal The more, the faster the bike goes!"

Li Chengqian hesitated for a moment and explained to Li Er.

It can be seen that Li Chengqian had done some homework before this, otherwise Li Er would not be able to answer if he asked now!

Different from Li Tai and Li Ke, although Li Chengqian is more interested in the engineering of Yanhuang Academy, he is the heir of a country after all, and he is usually busy helping Li Er with government affairs. Naturally, his two younger brothers know nothing about engineering. So in order to explain to Li Er the principle of variable speed bicycles clearly, he must do his homework in advance!

After listening to Li Er, he glanced at Li Chengqian in surprise, and then said with a faint smile: "Haha! I didn't see it, Chengqian, you know so much about Engineering Yiyi?"

Li Chengqian was a little embarrassed and said: "My father has won awards, but Erchen doesn't understand this, but before he came, he asked a few gentlemen who knew engineering! Xiaoxuan not only gave his father a bicycle this time, but also gave Erchen and Changle alone. I sent one! Erchen also sent someone to inquire about it. Xiaoxuan's Yanhuang Chamber of Commerce only started selling this chain-driven bicycle today. An ordinary bicycle without a speed change function sold for 599 pieces. Today, the Yanhuang Chamber of Commerce only sells three cars with a variable speed function, and the price of each car is as high as 1,199 yuan!"

"Haha! You're being honest! But that kid is really a profiteer by selling his bike so expensive!"

Li Er glanced at Li Chengqian with some admiration, but while saying that Li Zexuan was a profiteer, he looked at the bicycle beside him with admiration, and then said: "This variable speed bicycle is really good, I will accept it! Changle has never practiced martial arts, so be careful when riding!"

If this was left in the Song and Ming dynasties, and new things like bicycles appeared, the emperor would definitely not allow his children to ride, because it would damage the royal majesty. But the Tang Dynasty was a very open dynasty. Li and Tang aristocrats were actually quite influenced by Hu Feng. For example, the nobles liked to eat mutton rather than pork and chicken. It was precisely because of this open atmosphere that Li Ercai did not prohibit Li Chengqian. , Changle rides a bicycle!

Li Chengqian smiled and said: "Thank you for your concern! My son is indeed not good at martial arts, but the father may have forgotten that Changle is not only ill now, but also has some internal kung fu. The father does not need to be too much. Worry!"

Li Er couldn't help but stunned when he heard this. He really forgot about Li Li's good temperament. Sometimes it becomes a habit to protect a person. Even when that person becomes stronger and doesn't need to be protected, you still I can't help caring about her and protecting her like before. Li Er belongs to this situation for Changle!

"Your Majesty, Princess Changle and Princess Gaoyang are asking to see you!"

When Li Erzheng was in a trance, Zhao Song walked in again and bowed.

"Oh? Let them in!"

Li Er came back to his senses, and he couldn't help showing a touch of warmth on his face, he said quickly.

"Here!"

Zhao Song took the order and left.

After a while, Chang Le walked in with a little girl carved in pink and jade.

"Father! Father! Gao Yang misses you!"

As soon as she entered the hall, before Chang Le could greet Li Er, the little girl beside her ran up and hugged Li Er's arm, coquettishly.

The little girl was about three or four years old, with a small plait of horns, and she looked really cute in pink and jade.

This is Princess Gao Yang who will cuckold Fang Yi's love in the future!

Li Er couldn't help rubbing the little girl's head, and smiled lovingly: "Haha! Is that so? The emperor also misses our Gao Yang!"

After that, Li Er lifted Gao Yang up and kissed him, the little girl with the stubble on his face immediately turned her head back.

After teasing Xiao Gaoyang for a while, Li Er looked at Changle and asked:

"Huh? Changle, why did you come to see the royal father today?"

Chang Le said softly: "Father, Chang Le has just tried the bicycle sent by brother Xiaoxuan, and found that this variable speed bicycle is more than ten times better than the previous bicycle, but the palace is so big, and Chang Le is also a little tired. Now, I want to ride a bicycle to Chang'an City, and I came here to ask the emperor's permission!"

"Father and father! Gao Yang wants to take Sister Changle's car! Gao Yang also wants to go out to the palace to play!"

At this time, Gao Yang tugged at Li Er's big hand and said with a milky voice.

Seeing the two little angels staring at him, where is Li Er?

Bearing in his refusal, he pondered for a moment, then nodded and said, "Well! That's fine! Go Changle! But you must go back to the palace before You Shi!"

Changle said with joy, "Mmmm! Rest assured, Royal Father, Changle just went to Nuan Tang Foundation to talk to Sister Yuxi, and won't go too far!"

Li Er nodded.

Chang Le retired with Gao Yang Fushen.

Li Chengqian looked at the back of his sister leaving, then looked at Li Er with a worried expression, and said, "Father! Do you want my son to send some people to protect Changle and Gaoyang?"

Li Chengqian has always been very fond of his sister.

Li Er waved his hand and said, "No need! I'll let Zhao Song take care of it for a while! Go ahead and do your own thing!"

When Li Chengqian heard this, he immediately felt relieved. He cupped his hands and said, "Yes! Erchen retire!"

Li Er nodded to Zhao Song at this time, but did not speak, but Zhao Song had already understood what Li Er meant, and hurriedly resigned!

In the main hall, Li Er turned his attention to the variable speed bicycle again, and the more he looked at it, the more he liked it. Men love cars, this may be regardless of the era.

"Humph! This kid doesn't hurry up to get things done, and he's doing some crooked things. It seems that he has to find time to beat him!"

The fact that Li Er can sit in this position now proves that he is not a person who wants to have fun. Although the bicycles made by Qiquge workshop are good, in his opinion, this is just a trail. He holds the world in his chest, so, for a moment After that, he couldn't help muttering to himself.

………………………………

"Ugly cow, tell the old man, what secret projects are your academies working on recently?"

Two days later, on another Friday, Cheng Chumo was born in martial arts, his resilience was several times better than ordinary people, and his injuries were basically healed, so he naturally had no reason to stay in the Yanhuang Medical Center. Instead of going home, Cheng Chumo went home this Friday afternoon.

After dinner, Cheng Yaojin called Cheng Chumo to the study and asked mysteriously.

Well, that's right! The old Cheng family also has a study room!

The more some people lack, the more they like to fiddle with it! Cheng Yaojin lacked culture, so he built a study room at home and collected a lot of good books, but the dust on the books was probably an inch thick. He originally hoped that his two sons would be able to study and improve, but Later, it was proved that he was thinking too much, so the books on the bookshelf were even more unread, and this study naturally became a temporary meeting room at home.

"What? What secret project? What are you talking about, Dad?"

After Cheng Chumo listened to Cheng Yaojin's question, his face was bewildered. He said that he had been "picking up girls" in the Yanhuang Medical Center this week. How could he know what happened in the academy? He didn't even know that Li Zexuan had included him in the list of participants of the secret project in order to help him cover up the "car accident"!

Ke Cheng Yaojin doesn't know this! He thought that Cheng Chumo, like Li Zexuan, wanted to keep the project strictly a secret from outsiders, so he couldn't help staring at the bull's eyes and said angrily, "You stinky boy! I'm your father, do you still want to be right? Can't I keep it a secret? Your father, do I look like the kind of person who can't keep his mouth shut and is easy to reveal secrets?"

Cheng Lumo was even more stunned by the yelling of old Cheng. He even suspected that his father had taken the wrong medicine today, "Father! What secrets are you keeping? What secrets do I have to keep? I am your son, and I have Can you have any secrets that you don't know? That... But Dad, you seem to be the kind of person who doesn't have a good mouth. I used to peek at Widow Zhang's bath with Paulin, and it was you who told me about it! I couldn't go out with Paulin for a while..."

Cheng Yaojin was so angry that he almost vomited blood, his old face was as black as ink, and he couldn't help roaring: "Shut up! What a mess! I will talk to you about the secret project of Yanhuang Academy, you kid, don't talk to me. Otherwise, don't pretend to be confused with Lao Tzu! Xiaoxuan has already told me that you have been busy with research projects recently, so you didn't go home last weekend!"

"Gah?"

Cheng Chumo was stunned when he heard the words, thinking that he had asked Li Zexuan to help him hide the car accident from Cheng Yaojin. Now, no matter how stupid he was, he probably knew what was going on, "Uh... Dad! You It's true! I... I can't tell you that the students of the academy must keep the affairs of the academy strictly confidential, and they must not disclose it to anyone, not even their family members! This is a rule! Dad, don't embarrass me. !"

Cheng Chumo was also someone who had memorized the "Secretary Regulations of Yanhuang Academy" and passed the secret examination of Yanhuang Academy. His thoughts turned sharply in his mind, and he soon came up with a set of rhetoric to prevaricate Cheng Yaojin.

In fact, if he could, he would rather not put it off, because he was playing with fire! But the problem was that he didn't know what the secret project Cheng Yaojin was talking about at all, so he could only find a way to prevaricate it!

Sure enough, when Cheng Yaojin heard this, his eyes were so angry that his eyes were bigger than copper bells, and his eyes were about to burst into flames. He slapped the table, got up and roared: "Bitch! You bastard! I think you are now The wings are hard! You dare to pretend to be confused and tell lies in front of your father, and see if I don't beat you to death today!"

Cheng Chumo felt bitter in his heart, he wasn't pretending to be confused, he was really confused!

Seeing that Cheng Yaojin was about to beat someone, Cheng Chumo jumped up from his chair in advance with great experience, then ran out of the house without looking back, and shouted as he ran:

"Mother! Help! My father is going to kill! He is so angry that he wants to kill his relatives righteously!"

……………………

"Master, do you see if this is done?"

The next morning, Li Zexuan came to the workshop again to inspect the murder.

The progress of the mace project, Li Tai walked over with a cone-like iron cylinder at this time, and handed it to Li Zexuan to ask.

Li Zexuan took the cone and asked suspiciously, "Is this the loudspeaker I told you about?"

Compared with the tour guide-type amplifiers that hung around his waist in his previous life, the thing that Li Tai brought was a bit too bloated. It was about 1.5 times the size of the ordinary tour guide-type amplifiers. It's also a bit ugly, and it's really a bit "unspeakable"!

"Uh... Chief, this thing is just a sample for experiments. It looks a bit ugly, but it still has some effects. Would you like to try it?"

Seeing the disgust on Li Zexuan's face, Li Tai said embarrassedly.

Hearing what Li Tai said, Li Zexuan glanced suspiciously at the loudspeaker in his hand, then raised the loudspeaker to his mouth, hesitated for a moment, and shouted, "Hey! Hey! Hey!"

"Hey! Hey! Hey~!"

Li Tai, who was standing in front of Li Zexuan, forgot to withdraw to the side just now, and suddenly felt a huge sound coming towards him. He quickly covered his ears and ran to Li Zexuan's side!

"Huh? Although the sound is a little rough and not delicate enough, the amplification effect is still good!"

Li Zexuan also heard the sound from the loudspeaker at this time, and he couldn't help being a little surprised.

Hearing such words from Li Zexuan's mouth, the little fat man was very happy, and he quickly said: "Shanchang, so the speaker I made is qualified?"

Li Zexuan nodded and said, "Yeah! It's basically up to the mark! You only need to debug the sound effect in the later stage! You can make such an experimental speaker model in just a few days, it's quite amazing!"

After all, Li Zexuan gave Li Tai a thumbs up!

This is the truth. He really didn't expect Li Tai to make a rough amplifier in such a short period of time.

Li Tai was instantly happy like a two-hundred-pound child. He didn't know where to put his hands. He just heard him laughing: "Hehe! No way~!

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