Otaku Engineer in Great Tang Dynasty

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"Xiao Xuan, can you lend this scooter to my brother to take a look."

A few people just sat on the stone bench in the west courtyard, and before they chatted for a while, Yan Shaoning couldn't hold back the monkey hurriedly.

This Yan Shaoning seemed to be impatient, and Li Zexuan was a little amused, so he said, "No problem, Brother Shaoning, just watch it if you want."

Yan Shaoning heard the words, and hurriedly raised the scooter directly to the stone table, and then came over to observe it carefully. I saw him flipping the scooter from time to time, and his mouth kept sighing. In less than a quarter of an hour, Yan Shaoning had thoroughly studied all the structures of the scooter. He put down the scooter and looked towards him. Li Zexuan says:

"Xiaoxuan, although the structure of this scooter is simple, the idea is really surprising. It's so simple, why didn't I think of such a convenient thing before? Wei brother really can't figure it out."

Yan Shaoning hammered his head angrily.

Li Zexuan said with a smile: "Brother Shaoning, don't be upset, in fact, if you think about it carefully, the structures of many things we use in our lives are generally not complicated. Did anyone think of making a horse-drawn carriage?

In the final analysis, it is a problem of creative thinking of a person. My master once told me that there are only things you can't think of, but there's nothing you can't do. Because sometimes creativity is far more valuable than technology, if you don't think broadly, you will never be able to create something new of value. "

Yan Shaoning was like a dick, rubbing his palms and laughing: "Yes, yes, that's what it means, my brother has encountered many similar problems before, obviously very simple things, but unexpectedly, Xiaoxuan, your words are considered to be said. It's on point."

Li Chengqian also nodded thoughtfully.

Li Zexuan said modestly: "It's just that Brother Shaoning is a fan of the authorities. Many times, if you jump out of the game and change your mind, you can often get unexpected results."

Yan Shaoning nodded in agreement, looked at the scooter, and said, "But Xiaoxuan, your scooter has a lot of imperfections, for example, the wheel will probably be very jerky when it turns, and the handle at the front of your hand. , it can only be used as an armrest and cannot control the steering of the scooter."

Li Zexuan nodded, secretly saying that this guy is indeed from an engineering family, and he really understands the mechanical structure. He can see the flaws of this simple scooter at a glance.

"Well, what Brother Shaoning said is very true. When I made this scooter, it was just to coax my little sister's random act. This scooter can indeed continue to improve."

"Oh? So Xiaoxuan, you already have an improvement plan?" Yan Shaoning was very curious when he heard the words. He could see the problem with the scooter, but it didn't mean that he had a solution now.

"Little brother has some ideas. Xiaoxi, go to the kitchen and fetch me an unburned firewood stick." Li Zexuan instructed Xiaoxi.

He can barely write with a brush, but it is really difficult for him to draw. The lines of engineering drawing need to be horizontal and vertical, and the soft nib of the brush is difficult to do, at least he can't do it.

Xiaoxi took the order and left. Seeing that Yan Shaoning and Li Chengqian were both puzzled, Li Zexuan explained with a smile: "Little brother is more used to drawing pictures with charcoal, and I want to draw a drawing for Brother Shaoning, so that it will be more clear at a glance."

The two nodded.

After a while, Xiao Xi came over with a burnt wood stick. After Li Zexuan took it, he pulled out his long sword and brushed a few swords. Everyone only felt a flower in front of them, and they saw that Li Zexuan had a slender wooden stick in his hand, and the bottom was still pointed.

It was also the first time that Li Zexuan used the Wind Chasing Sword to "sharpen a pencil". After seeing the results, he couldn't help but sigh that his control of power was more skilled.

"Good swordsmanship, I didn't expect Xiaoxuan to be able to use swordsmanship." Yan Shaoning praised.

Tang people are martial, and the children of high officials and nobles love swords. Although Yan Shaoning is not very skilled in swordsmanship, he still has eyesight. He did not expect that this new friend not only has unique ideas on equipment, but also looks quite advanced in swordsmanship. Yan Shaoning is now I am more and more interested in Li Zexuan.

Li Zexuan didn't answer, just spread out a piece of rice paper on the stone table and started to draw.

In the previous life, Li Zexuan was very proficient in mechanical drawing. Whether it was computer drawing or manual drawing, the drawings he drew basically did not need to be modified by the teacher, and could be sent directly to the factory for processing.

When he was in university in his previous life, the college where Li Zexuan worked organized an internship at the FAW headquarters. Their task was to go to the workshop, draw down the key parts of the car that they had seen in the workshop, and calibrate the size.

At that time, due to the very limited drawing conditions in the workshop, even a ruler could not be used. As a result, many students drew crookedly like a dog plane. Only Li Zexuan drew like a work of art.

It's not because he has attended an art hobby class, but because Li Zexuan's ability to copy is super strong since he was a child. When he was a child, he was able to completely draw the flying dragon on the wall in front of the New Year picture, and he painted it beautifully and beautifully.

Later, after going to college, Li Zexuan sometimes couldn't help but regret that he didn't go to the art academy at first. I have to say that Li Zexuan is an engineering dog with artistic cells.

At this moment, Li Zexuan was in front of the rice paper, closed his eyes, and recalled the structure of the ball bearing. The amazing thing was that Li Zexuan quickly formed a three-dimensional structural model of the ball bearing in his mind. This strange scene scared him to the point of exclaiming.

Opening his eyes and seeing several people waiting for him to pick up the pen, Li Zexuan didn't care to investigate the reason for the three-dimensional image in his mind, so he just picked up the pen and drew.

At this moment, it is really smooth, and the writing is like a god, Li Zexuan this

The engraving feels very wonderful, as if his brain is a computer, and his hands are a printer, and the three-dimensional images in the brain are completely reproduced on the rice paper directly through his hands.

Soon, Li Zexuan drew the three views and isometric views of the ball bearing on the rice paper. Of course, he did not mark the dimensions and tolerances. Now he is only explaining the principle of the ball bearing, and he does not need these. Li Zexuan put down his pen and let out a sigh of relief.

Yan Shaoning couldn't wait to get up to see what Li Zexuan was painting.

I saw that there were four different pictures drawn on the rice paper. The lines were horizontal and vertical, with real and unreal. It was the first time Yan Shaoning had seen this kind of drawing method, but why did he draw four pictures? Is it four parts?

Yan Shaoning looked at Li Zexuan with a confused expression.

Li Zexuan was taken aback by him, and he wondered, "What's wrong, Brother Shaoning? Is there something wrong?"

Yan Shaoning pointed to the rice paper and asked embarrassedly, "Xiao Xuan, why do you want to draw four pictures? What does this mean?"

Li Zexuan was stunned, didn't ancient craftsmen draw blueprints like this? Don't they know about three views?

"Uh, Brother Shaoning, this is the first time my brother draws a mechanical drawing. Maybe the drawing method is different from yours. I wonder how Brother Shaoning drew before?"

Yan Shaoning was stunned, "Oh, so that's the case, just because my brother has a few drawings, Xiaoxuan will show you."

After speaking, he took out a roll of blueprints from his cuff.

Li Zexuan took the drawing and opened it. Sure enough, the ancient craftsmen had not yet started to use the three-view drawing method. They only drew the plan, and the places that the plan could not express were directly marked with words. Li Zexuan couldn't help but have a headache when he looked at the dense small print on the drawing. This was too inconvenient.

No, I have to popularize modern engineering drawing methods for Yan Shaoning, otherwise it will be too troublesome to communicate in the future, Li Zexuan secretly thought.

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