Chapter 752

Li forgot to worry about the idea that he could kill the four sides after he made the improved crossbow. He was very excited. He led Niu Wu and others out of Chang'an City and went straight to the valley of Cuiwei palace.

Yan Liben heard from his subordinates that his teacher came and hurriedly welcomed him out and saluted: "disciple Liben has seen the teacher. Why is he free to come to the ordnance workshop today?"

It's no wonder Yan Liben asked. Li forget worry is a total slacker. He has a lot of ideas, but he is basically unwilling to do those trivial things.

The valley where the imperial palace of Cuiwei palace is located has now almost become the first industrial base of the Tang Dynasty. Every day, black smoke billows and the percussion of hydraulic hammer can be heard.

But Li forgets worry but seldom comes here. Yan Liben asks him for advice on anything. Therefore, when Yan Liben saw Li forgetful suddenly appear, he would be curious to ask.

Li forgot to worry and said, "there's no need to be polite. I'm here to ask you for help today."

"What do you need, sir? Just tell Liben." Yan Liben replied respectfully.

"I need you to let the craftsman who will be the prison help me make a crossbow."

Yan Liben was surprised to hear that his division commander needed a crossbow. He directly asked Cheng Yaojin for it. Why did he need to fight again?

Although crossbow is forbidden in the Tang Dynasty, Li QIAOYOU is naturally not among them. Who can say no when he wants to play crossbow?

"Sir, do you need to break a crossbow or an angle crossbow? The disciple asked someone to send it to the teacher. There is no need to make it again."

Li forgot to worry and shook his head: "no, no, the crossbow for the division is not the two military systems, but a new crossbow designed for the division."

Yan Liben heard the speech and immediately became interested.

As a young supervisor, besides painting, he was most interested in making these mechanisms. Hearing that his teacher had a new crossbow to build, he quickly asked, "Sir, do you have drawings?"

"You ask someone to send paper and pen, and I'll draw it for you." Li forgets worry and asks someone to send paper and pen, and begins to draw Yan Liben's imaginary crossbow.

The modern crossbow of later generations is much more powerful than the ancient crossbow.

Even a crossbow of civilian grade can shoot arrows at an initial speed of 100 meters per second. Modern compound crossbow, more scientific design. Not only the shape is similar to that of guns, but also most of them are equipped with sight glasses. The aiming equipment is perfect, the comfortable experience is better, and the shooting accuracy is naturally quite high.

Li forgot to worry about reading materials on the Internet. Many well-made modern composite crossbows can accurately hit a coin at a distance of 200 meters, and their accuracy is almost comparable to that of a sniper rifle.

Nowadays, the bows and crossbows of the Tang Dynasty are mostly made of natural materials such as bamboo and wood. The energy conversion efficiency of arrows is low, which is completely incomparable with the modern composite crossbows of later generations.

Of course, it is impossible for Li to create a composite crossbow in the Tang Dynasty.

Those composite crossbows can be made not only by knowing their appearance, but also involving many modern disciplines such as materials science, ergonomics, mechanics and so on, which is far beyond his understanding as a college student majoring in e-commerce.

But Li forgot to worry, but he could find a way to improve the accuracy of the crossbow and reduce the tension of the crossbow string.

At least he planned to use steel instead of wood to make crossbows.

Nowadays, with the use of hydraulic forging hammer, the ordnance workshop in cuiweigong Valley can forge many hundreds of steel every day.

Li Qieyou thought it would be possible to make crossbows out of these hard tempered steel.

As for the shape of the crossbow, he directly copied the shape of the later crossbow. If the crossbow arm and bow string are removed, the shape is not different from that of the sniper rifle.

Li Qieyou even planned to fix the single barrel telescope made by the supervising craftsman on the crossbow as a sight. He won't believe it until this new crossbow is made. He can't catch his prey.

Yan Liben was more and more surprised at the drawings drawn by Li Qieyou. He couldn't help asking, "Sir, the crossbow arm of your crossbow is so thin that it seems that no wood can be made like this without breaking."

Li forgot to worry and shook his head: "wrong, Li Ben. The crossbow arm I drew is made of steel instead of wood."

"Steel sheet? This... How is this possible? How can this steel be bent like this?" Li forgot to worry, which shocked Yan Liben. In his cognition, steel can't be bent like this.

Li forgot to worry, but didn't think there was anything wrong. He naturally replied: "naturally, the crossbow arm is made of spring steel..."

While he was talking, he suddenly felt wrong and paralyzed. It seems that Datang doesn't have spring steel, right?

Since ancient times, there seems to be no metal spring unearthed in China. The soft sword that can be wrapped around the waist as a belt is just fabricated in martial arts novels. There is no such soft metal sword in reality.

Of course, Yan Liben doesn't know what spring steel is, but the key to the problem is that he doesn't know

Li forgets worry to know that the spring steel of later generations keeps the steel elastic in the quenched and tempered state. It is a steel specially used to manufacture springs and elastic components.

As for how the spring steel is made, he knows nothing about it.

Li forgot to worry about his visit to the terracotta warriors and horses in Xi'an. The museum displays the bronze swords of the Qin Dynasty. He clearly remembered that the explanation of the Museum once said that the bronze sword was bent 45 degrees by pottery figurines when it was unearthed.

However, when the archaeologists carefully removed the pottery figurines and took out the sword, the bronze sword rebounded quickly and returned to straightness.

Since the Qin Dynasty can do it, there is no reason why the craftsmen of the Tang Dynasty can't?

He scratched his head angrily and asked, "libben, don't you know what kind of steel can be elastic? Isn't there any steel that can be restored after bending?"

"Sir, this... Disciple really doesn't know. Why don't I find some generals as supervisors and craftsmen specialized in forging weapons to ask and see if they know?"

Soon, several old craftsmen in charge of making weapons were found in the ordnance workshop. They also looked at each other and didn't know how to answer Li forgetful's questions.

When they make weapons, they want steel to be hard and wear-resistant, but they never want to use steel to make the crossbow arm of the crossbow.

Although there is an iron tire bow in China, the bow body is not made of steel, but a mixture of metal, bamboo, wood and ribs. Iron bars are embedded in the back of the bow. As for the bow arm that will bend under stress, it is still made of bamboo, wood and ribs.

Seeing all the old craftsmen shaking their heads, Li forgetful was naturally disappointed.

This new type of crossbow can't be made of bamboo or wood, but it's obviously far less powerful than a crossbow made of spring steel. Moreover, the crossbow arm made of bamboo and wood will weigh a lot. His small arms and legs are not willing to carry a dead crossbow to hunt.

However, since he could not use metal spring steel, he had to take the second place and finish the other parts of the crossbow first.

At least he has to make a crossbow that can pull the crossbow string and shoot dead prey from a long distance. Otherwise, ten days later, his bet with the dandies will be lost. Li forgets worry, but he is reluctant to give the little nurses in the hospital to Chumo and their lusters.

When he was depressed, an old craftsman carefully rubbed his hands and said with some uneasiness: "Huxian uncle, the villain once accidentally made a waste sword, and the sword body can be bent..."