Carefree Prince In Tang Dynasty

Li Shimin frowned and said, "More than twice as fast? Still saving effort? How could it be..."

The "plough" that Li Xin said completely subverted Li Shimin's cognition. Cheng Yaojin and Yu Chigong had also followed Li Shimin long ago and listened to Li Xin's words seven or eighty eight.

Yuchi grinned and said, "I was a blacksmith in the early years, and I used a lot of various farm tools. I have never heard of such a plow."

Li Shimin nodded when he heard the words, and said to Li, "I was almost bluffed by you. You stinky boy dare to talk about a new type of plow without even getting under the ground a few times, and you are not afraid of talking big and leaking."

Cheng Yaojin smiled and said: "However, if there is such a plow, it would be great." Although he is usually not serious, he still has some insights into Datang's people's livelihood and national conditions.

Indeed, if the plough mentioned by Li Xin really exists, then for the agricultural-oriented Datang, its improvement of national power will be all-round, and it cannot be summed up in a few words.

Li Shimin eagerly agreed: "Yes. It's a pity, how can such a'sharp tool' be easily obtained?"

Li Xin listened to the conversation between several people and couldn't help but shook his head secretly.

Li Shimin is already a distinguished person in the world, but he is still limited by history and lacks a broader vision and imagination.

"Your Majesty, Weichen is telling the truth." Li Xin proactively said, "Weichen did come up with a new type of plow. If your majesty doesn't believe it, Weichen asks the craftsman to make it, and you will know it at first try."

Although Li Shimin was still a little unbelieving, Li Xin's "horseshoes" still reverberated in his mind, which made him feel a little moved. So, he nodded and said: "Okay. Then you can make this kind of plow and show me. If it is exactly what you said, I will definitely have many rewards!"

Li Xin smiled and nodded, and muttered confidently in his heart: "This time I will let you see the power of science and technology with your own eyes!"

After returning to the palace from Huangzhuang, Li Xin locked himself in the study. Although I have a clear memory of what I said about the plow in my mind, I still need to think about the details. He used refined charcoal strips instead of pencils and traced the sketches in his heart on paper. After a while, a hill of waste manuscripts was piled up under his feet. Runniang, who was serving by the side, seemed a little upset seeing Li Xin, and she didn't dare to bother, but carefully picked up a piece of waste paper and opened it.

A simple plow is drawn in the center of the paper, and some weird figures are around it, like a patch after dismantling the plow in the middle.

Although Runniang was young, she had seen a plow. But the plow Li Xin drew on paper was obviously different from the plow she was familiar with. You know, the plough that people usually use is straight, but the plough drawn on the piece of paper in front of you has a long and curved handle. She had never seen such a strange-looking "plow". However, out of trust in the prince, she immediately came to a conclusion: this is definitely not a simple plow, but a very powerful plow! As for where and why it is so amazing... She doesn't understand, after all, she is not a prince.

In fact, the new plow that Li Xin is working on is actually the famous Quyuan Plow.

As a typical farming civilization, as early as the Han Dynasty, the commonly used plough was basically finalized, that is, the classic long straight shaft plow. This kind of plough has its advantages, but its disadvantages are also quite obvious: it is not flexible enough to turn around when plowing the land, it is laborious to lift the soil, and the efficiency is not high. The Quyuan Plow is different. First, the curved plow has a small size and lower production cost. Second, it can swing when the plow is in operation, can adapt to the angle, reduce resistance, and is suitable for deep ploughing and is conducive to maneuvering.

Moreover, the curved shaft plough has two more components than the long straight shaft plough, named plough review and plough arrow. In the legend, the cooperation of these two things can adjust the depth and angle of the plough. This is something that the straight plough will never achieve.

Li Xin remembered that he had read the introduction of Quyuanli in a book in his previous life, and carefully compared the difference between it and Zhiyuanli. It's just that this matter is old after all, and he can't remember some of the details of the drawings. He must remember carefully to find some clues, so he writes and draws on paper to help recall.

Fortunately, Li Xin is an engineering student, and he is naturally more sensitive to mechanical things. After knowing the general function of Quyuanli, he can make up the parts he can't remember by reasoning. Of course, it may not be reliable to use this method to perfectly reproduce the historical Quyuan Plow, but it is absolutely no problem to use this method to produce a brand new Quyuan Plow with almost the same effect.

The result was exactly as Li Xin expected. He clearly remembered that the book he had read said that a Quyuan Plow was composed of eleven parts, but the design of the Quyuan Plow that he drew actually had twelve parts. After thinking about it, he felt that there was no big problem, and finally decided to ignore this small inconsistency, and wait until tomorrow to let the carpenters in the mansion see it.

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