Otaku Engineer in Great Tang Dynasty

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Curious Court Workshop.

"Xiaoxuan, old man, I'm quite straight, don't take it offense. Although your scooter is creative and novel, it's just a child's plaything in the end, and it's not good for people's livelihood. Your roller bearing is useful. Great, since you have the talent in this area, you should study more things that are beneficial to the people.”

After seeing several people sitting down, Uncle Fu began to preach to Li Zexuan earnestly. Li Zexuan was very speechless, this old man's temperament is really straight, if this is a person with a small stomach, he will definitely hate him for this.

Fortunately, Li Zexuan is not such a person. He still agrees with Fu Bo's words.

"What Fu Bo taught me is that this scooter was just a plaything that I thought of to coax my sister. Of course I won't just do this in the future."

Uncle Fu nodded in relief: "Well, Ruzi can be taught."

Li Zexuan remembered another purpose of coming to the workshop this time, and said: "I went to my village yesterday and found that this year's fields are particularly difficult to cultivate due to the lack of rain. It is estimated that some villagers will miss the spring ploughing. Brother Shaoning and Bo Fu know that This matter?"

Yan Shaoning's face was solemn, and he said solemnly:

"This situation doesn't just happen in your Zhuangzi, it's more or less the case in the counties around Chang'an. According to what my father said, this incident has alarmed the imperial court, and His Majesty has also learned about this incident, which is causing people to come from the north. Several prefectures and counties in China transferred a batch of farming cattle to Chang'an, and then distributed them to the farmers, so as not to let the farmers miss the spring ploughing."

Uncle Fu also nodded and said, "This old man has heard of this, but Xiaoxuan, what is your purpose in bringing this up? We can't help much with this kind of thing, we can only rely on the imperial court."

Li Zexuan stood up and disapproved, saying, "Uncle Fu's statement is not good, it's just like the saying that if a craftsman wants to do a good job, he must first sharpen his tools. As a craftsman, you must also have the spirit of craftsmanship. You have just taught the boy, you need to study more What is beneficial to people's livelihood, why can't we make more useful farming tools for the people?"

Uncle Fu raised his eyebrows. He has been fighting in this field for so many years, but today he was preached by this little baby. He was a little displeased and arrogant, and frowned:

"What you said is very light. The straight plough I used in the Tang Dynasty originated in the Han Dynasty. After several improvements, it has become the most advanced tillage tool. How can there be a better tillage tool than this."

"What Uncle Fu said, the boy does not agree. How can craftsmen not seek innovation, how can they do things like planting trees by predecessors and enjoying the shade for future generations? If you don't try, how can you know that you can't make better farming tools?"

Uncle Fu was not convinced: "So, can you make better farming tools?"

Li Zexuan could also see that the old man was stubborn, not because he had a bad heart, but because he did not allow others to question him in the field he was best at. Li Zexuan had seen many such people in his previous life, generally in various fields. Big cows have such stinky problems.

At the moment, Li Zexuan didn't talk nonsense. He took out the drawing of the Quyuan Plough that he had already drawn from his sleeve, spread it out on the table, and said to the two of them:

"This is a more labor-saving plough that I accidentally thought of when I saw the farmer using a straight plough in Hanjiazhuang yesterday. Today, I was looking for a workshop to make a batch as soon as possible. Brother Shaoning, Uncle Fu, come and have a look. ."

Yan Shaoning and Fu Bo couldn't wait to come over and look at the blueprint. When Uncle Fu saw this drawing technique for the first time, he couldn't help frowning. He wanted to ask Li Zexuan, but he was too embarrassed to ask.

Yan Shaoning is very familiar with this kind of painting method. He carefully read the content of the drawing, then closed his eyes and pondered, imagining the structure of this plough in his mind, but after a few breaths, he opened his eyes.

"Xiaoxuan, your plough should have evolved from a straight yoke, right? I see that you have changed the length and shape of the plough, and you have installed a roulette on the yoke. But I've never seen it before, and I can't say which one is more labor-saving between your plough and the straight-axle plough we use."

Uncle Fu saw what Yan Shaoning was saying at this time. Obviously he could understand this kind of drawings. Uncle Fu couldn't help but feel very depressed. He has been a craftsman all his life, and he also has his own pride in this field. Unexpectedly, today, it seems that Not as good as these two little dolls.

In fact, after Yan Shaoning finished speaking, he noticed that Fu Bo was still staring at the drawing, and after a little thought, he understood what was going on. He patted his head and said embarrassedly:

"Uh, Fu Bo, I forgot to tell you that this drawing method was created by Xiaoxuan. These three pictures represent the shape of an object seen from three directions..."

Yan Shaoning began to popularize the knowledge of three views to Fu Bo again. Forber has been studying in this field for so many years, and he understands it with just a little bit of fiddling. Even though he did not agree with Li Zexuan's point of view before, he also agreed with Li Zexuan's drawing method at this time.

He nodded and looked at the picture again.

At this time, Li Zexuan also explained: "Uncle Fu, Brother Shaoning, I call this kind of plough the curved plough, and it consists of eleven parts, namely the ploughshare, the plough wall, the plough bottom, the plough, the plough and the plough. Forehead, plough arrow, plough shaft, plough comment, plough construction, plough tip, plough pan."

While talking, Li Zexuan pointed to the drawing and explained it to them one by one. Both of them listened to him with a serious look. Even if they could understand the drawing, they would definitely not be able to catch up with Li Zexuan in terms of their understanding of the song.

Li Zexuan continued: "I changed the long straight yoke to a short curved yoke, and installed a freely rotating plow disc on the yoke head, which not only makes the plow frame smaller and lighter, but also facilitates turning and turning, and is flexible in operation. Save more manpower and animal power.

"

"In addition, I have added plough and plow arrows. If you use a push plow, you can let the plow arrows go down, and the plowshares will go deeper into the soil. The combination of plough evaluation, plough arrow and plough arrow can adapt to the different requirements of deep ploughing and contract ploughing.”

"And the plowwall can not only break the soil, but also push the ploughed soil to one side, reducing the resistance of the plough to advance. Combining these improvements, the curved plough is at least 50% less laborious than the straight plough."

Li Zexuan talked eloquently at the drawing, the two nodded frequently while listening, and finally Fu Bo couldn't help but say:

"Your design is quite innovative, and it's reasonable to hear what you say, but we're just talking about it on paper now, and no one knows if it's more labor-saving and better to use."

Li Zexuan wanted to tell him that these are theoretically based, draw a force analysis diagram, and do a little calculation based on the formula to know which one is more labor-saving, but if you tell them this, you have to popularize the knowledge of engineering mechanics with them. This is something that cannot be explained in a few words.

Li Zexuan could only say: "Uncle Fu, what you said is not unreasonable, but practice is the only criterion for testing truth. Yet?"

Fu Bo murmured: "Practice is the only criterion for testing truth, Xiao Xuan, what you said makes sense, so let's try it out first."

Li Zexuan cupped his hands and smiled and said, "Then Lao Fubo will build twenty curved ploughs first, and my Zhuangzi is eager to use them. The day after tomorrow, I will take this batch of curved ploughs to Zhuangzi for a test."

Uncle Fu frowned and said, "Xiao Xuan, is it the first time to build so much?"

Li Zexuan smiled confidently: "Uncle Fu, I have great confidence in Quyuanli. The farmers in Hanjiazhuang are waiting for spring ploughing. I don't have time to try them one by one. I believe that Quyuanli can solve the urgent needs of the moment."

Uncle Fu hesitated for a moment, then nodded and agreed: "Okay, since Xiaoxuan you said so, then the workshop will work overtime in the past two days to make twenty Quyuan plows. The day after tomorrow, I will go to Hanjiazhuang with you to see how it works. "

"I also need to go."

Yan Shaoning added quickly. If this Quyuanli is as magical as Li Zexuan said, then it will definitely be a major event that shakes the government and the public, and he must go and see it for himself.

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