"The shop has been sealed. I don't know what to do." Princess Yongmu wanted to explain how she came here.
She went to the Li Family Zhuangzi, and the people in Zhuangzi said that Li Yi went up the mountain.
They happened to meet the people from Six Li Village, and then they came together.
"In a few days, the goods are being manufactured. There's another matter that benefits the people. I want to distribute them from the shop."
Li Yi was very happy and sent someone to find Wang Xing.
Wang Xing ran over and looked at the large group of people. He told Li Longji the words Li Yi taught him, and then the main hall could be given to Li Longji.
Princess Yongmu naturally lived in the side hall of the main hall, while Bi Goo and the others lived in the side hall.
A new double-flavored pot was sent over and they moved to another place to eat. Li Yi followed and ignored the officials.
"Is the gun still useful?" Li Longji first boiled a piece of frozen tofu, half of it in the chicken soup.
The little guy sat on a high chair with a small soup cup in front of him. He used a spoon to carefully blow on the chicken soup and drink it.
Taohong and the others stood around him. Including Xiaolan, Song Jing was taken care of by the people from Pure Flowers Palace.
"I'm collecting data and carving the scale. Three hundred feet can break iron armor, six hundred feet can break leather armor, and a hundred feet can injure unarmored soldiers.
However! After three hundred feet, the accuracy drops. You need to rely on concentrated fire to hit people.
For infantry, the reloading speed is still too slow. I have a three-stage attack method … "
Li Yi took out the three-stage attack method that only the Ming Dynasty had.
With his explanation, everyone understood. It was very simple.
"If you want to defend the city, you can have others help reload. The number of guns and the number of people reloading determine the frequency of firing." Li Longji still wanted to defend first.
When the weather was warm, large amounts of cement would be sent to the border to build the city walls.
There were many people, and the cavalry would harass and restrain Tubo's troops. A city could be built every half a month and the city could be built forward.
"Brother Yi, can we build four castles first and use the walls to connect the castles?" Li Longji figured out a way to build a city.
If they built four concrete castles, they would have protection and connect the four castles with the city wall. It would be safer than building the city wall directly.
Li Yi helped to pick up the frozen tofu, which had already melted, and put it on the big plate in front of the little girl, making a blowing gesture.
The little girl lowered her head and blew on the frozen tofu. She blew on it a few times, flipped it over with her chopsticks and blew on it again.
"Third Elder Brother, I have a plan. Turn the square city into a diamond-shaped building with a protruding front."
Li Yi turned his head. Qing Song opened the box and took out something.
Li Yi quickly drew a map of the Rhombus Stronghold. On a flat surface, it looked like there was a sharp edge to it.
"Look, Third Brother. When the enemy attacks the city, they can only build ladders along the rhombus-shaped walls. The ladders on the top can attack downwards, and the ladders on the sides can also be attacked."
Li Yi handed over the map. The defensive area of such a fortress was larger than the attacking area.
No matter which wall the attackers climbed, they would be hit by the people behind the wall. At the same time, they would have to face the rolling wood and thunder stones above.
If more soldiers were sent to squeeze into the concave area to attack all the surrounding positions, the catapults would smash a piece. What if the catapults threw down explosive packs?
If there was time, they could dig a moat of the same shape. It would also be troublesome for the enemy to fill the moat.
Didn't they have guns now? The range was longer than a normal bow and arrow.
Li Longji's finger moved along the line. "The gun can shoot further. You can build a row of towers on the city wall. Wooden frames are enough."
He was talking about the arrow towers, which were used to shoot arrows downwards.
They were temporarily made of wood, like a grandstand.
When the enemy attacked the city, they had to charge through the rain of bullets.
"If it's a big city, you can also build a barbican at the back." Empress Wang looked around and found a few places that were easiest to break through from the front.
If they added a barbican at the back, they could break through the front wall and rush in. They would still face attacks from several directions.
Li Yi nodded. Big cities did have barbicans. Chang 'an did not have one, but Chang' an had an imperial city.
However, when the enemy reached Chang 'an, the Tang dynasty would have failed. Chang' an had been occupied more than once in history.
"Okay, we should build a diamond-shaped city that can hide 5,000 soldiers at the border." Li Longji decided.
If 1,000 soldiers were arranged in the city and equipped with weapons, even 10,000 enemy soldiers would not be able to break through.
The problem was the siege engines, mobile arrow towers, and explosive packs.
If they used bows to shoot downwards, they would have to expose a large part of their body. They would be shot by the archers below the city wall.
If they changed to guns, they did not need to draw the bow or adjust their posture. They just needed to aim.
"Third Brother, leave a hole for the gun. It's slanted and can be swung left and right." Li Yi picked up the pen again and drew.
He drew the shooting hole of the turret. It was like a square funnel, installed horizontally on the wall, and the gun could be swung left and right.
There were arrow holes on the city wall now, but the holes were bigger. If the enemy's arrows were accurate, they could hit them.
If the holes were small, the enemy could only stare.
They could make more shooting holes to make it easier to move back and forth.
Empress Wang thought for a while. "If we make the holes slanted downwards, we need to throw a clay pot filled with gunpowder in some places, ignite it, and slide it down."
She thought that if she threw it while standing, it would be easy to be hit from below. If the pot in her hand burned, what would she do if it blew up her own people?
"In the future, we have to use firearms to attack and defend."
Li Longji was not in a hurry to think of many things at once. He handed the guns to the soldiers, and they would adjust according to the actual situation.
The night passed, and dawn came.
Today, they still ate steamed buns. Li Yi was ready to fly.
He only ate a steamed bun and a boiled egg. Then, he went outside with the others.
Bi Goo and the other three people seemed to be in good spirits. However, Bi Goo kept rubbing his shoulders. Obviously, he had not fully recovered yet.
In a large open space, a horse was prepared. Guo Ziyi stood beside the horse.
A non-powered triangular hang glider was pushed over. Li Yi carried an umbrella bag and hung a hanging bag.
When he flew, he needed to put his feet in the hanging bag to be restrained and save his strength.
In fact, he could fly without the hanging bag. However, with a stepping stick behind him, it was not easy to control, especially when he used his forearm and forearm to move to adjust the hang glider.
The key point was the quick-release buckle. Even if he could not free himself from the hanging bag, he could pull it open with a pull.
Li Yi stood still, tied the rope, and looked for the direction facing the wind.
He wanted to take advantage of the strong wind to fly higher and fly back. He did not want to go down the mountain.
The rope in front was tied to the saddle. Everything was ready. Li Yi put on the goggles and gave Guo Ziyi a thumbs up.
Guo Ziyi urged the horse forward, and Li Yi followed behind. After running for less than ten steps, the hang glider flew into the sky.
Li Yi bit the loose buckle of the rope with his mouth. He tilted his head and the buckle opened. The big kite was free.
He pulled up against the direction of the wind. His body moved back and forth, and the hang glider flew higher and higher.
The people below watched nervously with binoculars, afraid that he would suddenly fall.
Li Longji even regretted letting Li Yi demonstrate. What if he fell to his death in the Tang dynasty?
"Come on, come on!" Xiao Lan could not help but shout. She could not help much.
Princess Yongmu's hand holding the binoculars was sweating. Her small mouth was open. She felt that she was against the wind and gasping for breath.
Li Yi in the sky was slowly adjusting, turning, and controlling the wind side of the hang glider.
He began to move diagonally, lowered his altitude, and adjusted again to the angle facing the wind. The hang glider rose.
As long as the wind was strong enough and kept blowing, he could always fly. He could not go to other places.
If he took off with the wind, he could only keep falling.
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