As the dust and smoke dissipated, a gap about ten feet wide appeared in the wall of the Shuozhou Army camp. Chen Ying said in a daze: "Holding the grass, isn't this too exaggerated?"

Although the walls built by the Shuozhou Army camp were made of rammed earth, no one was tall. However, they were about one foot or eight inches thick. They were made of trees and railings as thick as bowls, and then tamped them with soil layer by layer. They were extremely solid. Even if they ran at high speed, they would not easily collapse. However, when the stone cannon went down, it actually collapsed such a large piece.

Chen Ying walked to the gap in the camp wall and observed carefully. After the stone bullet crashed into the camp wall, the remaining momentum had not completely disappeared. After breaking through the wall, he rolled out more than ten steps away. What was most surprising was that the pine wood, which was as thick as a bowl in the camp wall, was actually broken.

But imagine that once this stone bullet hits the wall, but hits the human body, it may be affected by death or death.

Zhao Boying said: "So amazing?"

Xu Caifu said: "What a powerful cannon, it takes 350 steps away, which is stronger than the eleven cannons."

Guo Rui retorted: "It is better than the thirteen-shot cannons. The thirteen-shot cannon requires 500 people to pull it. It only takes three or five people. Now hundreds of stone cannons are arranged side by side. Even if Yanmen Pass is iron, it can still be smashed and flattened!"

The only calm among the crowd was Chen Ying.

Luo Shixin said with a dizzy look: "Okay, great. If there were such a powerful catapult at the beginning, Hulao Pass could have captured Hulao Pass!"

Speaking of Hulao Pass, it was the sad place for the Wagang Army. In order to attack Hulao Pass, Li Mi attacked for thirteen days and night. More than 40,000 Wagang Army soldiers buried their bones under the Hulao Pass City, and nearly 30,000 were injured. If it weren't for the Hulao Pass that consumed too much energy of the Wagang Army, Wang Shichong wouldn't be able to win easily.

Looking at Chen Ying, Luo Shixin's eyes turned red: "If I had known the general, many brothers would not have to die..."

Liang Zan said in amazement: "Is this too amazing?"

Zhao Boying's mouth was cracked to the root of his ears, and he said with a smug look: "The general is such a genius! It will be easier to seize Yanmen Pass now!"

When everyone saw Zhao Boying flattering Chen Ying, how could it fall behind Zhao Boying?

"The general is really unparalleled in wisdom and strategy, majestic, upright, upright, wise and brave? Different customs, do not deceive the dark room, do not forget the ravines, innocent heart, unparalleled in the world, peerless and extraordinary, Kunshan jade, the dragon among people, first among the people, strong in the iron, no one beyond his right, he raised his head, a generation of romantic, and the best among the mediocre..." and other praises are endless. Although Chen Yingming knew that they were flattering themselves, this feeling was indeed very good. Seeing everyone digging their minds

Chen Ying waved his hands repeatedly and interrupted everyone's compliments. If they were not stopped, they would probably flatter them until dark.

Ge Tong looked at the new counterweight trencher seriously and said, "General, this shaft is quite troublesome. You see, it has only been launched once, and cracks have appeared, and it will be broken at most three or five times!"

Chen Ying thought about it and finally found the problem. In later generations, as long as the parts are rotated, they all have bearings. The bearings can reduce friction resistance. Chen Ying knew that bearings are not simple, but in this era, it is not easy to make them.

Chen Ying did not come up with a better opinion and asked: "Do you have a way to solve this problem?"

Ge Tong thought for a while and said, "Then you can only use an iron shaft!"

After a while, Ge Tong walked towards a carriage, took the tool and removed the bearing on the carriage in a few seconds. Chen Ying was surprised to see the bearing in Ge Tong's hand.

Ge Tong actually held a sleeve bearing in his hand. Chen Ying originally thought that rolling bearings were a product of the industrial era, but he did not expect that ancient bearings were discovered in the Tang Dynasty 1,400 years ago. This bearing was made of copper-tin alloy, with an inner ring diameter of about four inches and an outer ring diameter of nearly one foot.

Compared with the rolling bearings in later generations, this copper bearing is obviously bulky.

Although this bearing seemed bulky, it was a big surprise to Chen Ying. It has been more than nine months since Chen Ying came to this era, and he had never paid attention to these small issues. Through Ge Tong's introduction, Chen Ying realized that this bearing was actually not his invention, but as early as the pre-Qin period, China had already manufactured the original bearing-type shaft type to rotate as key parts such as carriages or rudders.

Chen Ying carefully observed this bearing and finally discovered the difference between it and later bearings. First of all, the bearings of this era were not later balls as the rolling part of the bearing, but steel cylinders about two inches long and three-quarters thick. It also surprised Chen Ying. The ancients had realized the role of lubricating oil. Of course, the ancients did not have the technology to synthesize lubricating oil, and they all used animal grease as lubricating oil. The sleeve bearings can be said to be the originator of ball bearings today.

"Ge Tong!"

"The villain is here, please tell the general!"

"Have you ever thought about renovating this bearing to be lighter?"

"It's lighter to transform?" Ge Tong said with a bitter face: "It's a great general who knows that if the outer wall of this car's bearing becomes thinner, it will be undustable."

Chen Ying said: "Didn't you find that rollers are more labor-saving than balls? If the rotating columns in the shaft sleeve are replaced with rotating beads, will the bearing become faster and more flexible?"

"But it is really difficult to create steel beads!" Ge Tong said in confusion: "And there is no way to create the same steel beads. Even the young man may find it difficult to achieve dozens of steel beads exactly the same."

It is obvious that nothing can be done in a moment of hesitation. Chen Ying said: "In this way, I want to set up a general in Lingzhou to be the battalion, and the supervisor Lin Chuanfu is the general to be the chief in the camp, and you are the deputy chief in the city. Don't be busy building bearings for the time being, you can do your best to create this new type of catapult!"

Ge Tong didn't react for a long time, and looked at Ge Tong in a daze on the spot. Zhao Boying kicked Ge Tong gently and said, "Don't you thank the general for your kindness for your support?"

Only then did Ge Tong realize that he knelt on the ground without falling, and kowtowed to Chen Ying repeatedly.

Chen Ying said lightly: "Get up, do things well!"

Ge Tong stood up and said timidly: "General, the young man is the deputy chief of the camp... is he an official?"

"Why aren't an official?" Chen Ying said solemnly: "Lingzhou will be the chief supervisor of the camp and the chief supervisor of the army. Now the chief supervisor of the Lingzhou chief supervisor is vacant. Lin Chuanfu, as a Shangguan, also a chief supervisor of the chief supervisor, is a fifth-rank official. And as the deputy chief supervisor, you are the deputy chief supervisor, and the first time you are also a sixth-rank official."

Ge Tong said in disbelief: "Isn't this going to be bigger than the head of the family?"

Zhao Boying said amused and cryingly: "The county magistrate is only an eighth-rank or a seventh-rank official. Even if he is a county magistrate with a famous capital, he will only be a sixth-rank official. Today, there are only two county magistrates who are from the sixth-rank official, one is a Chang'an County magistrate and the other is a Wannian County magistrate."

"I am an official?" Ge Tong clapped his hands and laughed: "I am an official, I am an official..."

Looking at Ge Tong's arrogant look, Zhao Boying's face became darker and darker. He never thought that Ge Tong fell to the ground with a thud and fainted. Everyone was shocked, pinching the people and pouring water. Ge Tong woke up slowly. When he woke up, Ge Tong slowly climbed up, pulled someone, pointed at his collar, and asked anxiously: "Am I an official? Am I an official?"
Chapter completed!