Kong Youde did not know how many artillery the Ming army had. According to the standards of that year, the twelve-pound cannons and six-pound cannons were both red and barbarian cannons. Kong Youde observed the power of the Ming army's artillery and judged that the Ming army had two types of red and barbarian cannons shooting in turn. However, according to his understanding of the red and barbarian cannons, each cannon could only fire one shell at an average of six minutes, and every four shells fired, it would take about ten minutes to cool down. Therefore, based on the fire density of the Ming army, Kong Youde judged that in the front direction of the Ming army, there were at least forty-eight twelve-pound cannons and forty-eight six-pound cannons.

However, Kong Youde didn't know that Li Guodong's Ming army actually used a new type of copper cannon and adopted fixed-equipped gunpowder technology. The copper field cannons had actually reached the level of the late 18th century, about 150 years ahead of the heavy artillery of this era, so the firing rate was much faster than the Red Barbarian cannons used by the Qing army and the Ming army back then.

In fact, the Ming army's Red-Black Cannon was a kind of naval gun, and without fixed-mounted gunpowder technology, it was very troublesome to load and the firing speed was extremely slow. Li Guodong's copper field cannon was no less powerful than the Red-Black Cannon. The loading speed was much faster and the cooling time was short, which caused Kong Youde's misjudgment, thinking that the Ming army had a large number of Red-Black Cannons.

Thinking of this, Kong Youde made a thousand words: "The prince is wise! The Mingdo Red Barbarian cannons move slowly, they can only block the front and cannot bombard the army that attacks from the side! Mingdo thought that their house could block our cannons, but in fact they also blocked their own shells."

Picking the persimmons is soft. In the eyes of Dorgon and Kong Youde, the front of the Ming army was hard walnuts, and the low sandbags on the side were soft persimmons. As long as you were willing to sacrifice a group of people and organize the dead soldiers to rush up, you could demolish the castle. Then you could carry the ladder over and climb up the roof. Just like siegeing the city, no, it was simpler than siegeing the city. After all, those houses were not formal walls and there were no female wall sieges on it. It was much easier to capture it than siege the city.

Taking advantage of the retreat of the Qing army, Li Guodong personally ran into the central castle of Jiazhuang to check the progress of the tunnel excavation. According to Li Guodong's night attack plan, it was necessary to dig the tunnel under the Qing army camp one mile away. Half a year ago, when Wang Quan was instructed by Li Guodong, an authentic tunnel had already been dug out half a mile away from the village. What we need to do now is to extend the tunnel, dig into the Qing army's camp, dig a few more forks, arrange a blasting room at the end, bury wooden boxes filled with gunpowder in the blasting room, and then ignite the gunpowder. As long as an authentic tunnel was dug under the Qing army's stable and detonated gunpowder, it could cause the Qing army's war horses to frighten. At that time, the cavalry ambushed outside the Qing army camp took the opportunity to enter and defeat Dorgon in one fell swoop.

If you are lucky enough, you can have a blasting room just under Dorgon's central army tent, and you can blow Dorgon into the sky.

However, it takes ten days to half a month to dig the tunnel, which requires the Ming army to defend for about half a month before launching a counterattack. Moreover, the current history has changed. Originally, Lu Xiangsheng went deep into the army alone and fell into the encirclement of the Qing army. Now Li Guodong set up a hard core in Haoshui Bridge, which made the Qing army bleeding. Maybe Gao Qiqian saw it and would send troops to help.

The Qing army concentrated its forces, and the dead soldiers composed of Baoyi Aha and the armored men were placed in front, followed by the sharp soldiers composed of Han Eight Banners Firearms, Manchurian Eight Banners Archers and Mongolian Eight Banners Cavalry and Archer. A total of 3,000 troops were concentrated to attack the sandbag ridge in the southeast corner of Jiazhuang.

Baoyi Aha was equipped with a shield. In addition to Aha who was pushing a cart, the rest of Aha even wore armor. Some of the armored men who followed Baoyi Aha were savages captured from various Jurchen tribes, and some were Goryeo. Aha and the armored men were cannon fodder and were pushed in front to die. The sharp soldiers following behind, whether they were Han Eight Banners Firearms, Man Eight Banners archers and Mongolian cavalry archers, not only had to use firepower to cover the attack of dead soldiers, but also played the role of supervising the team. If Aha and the armored men retreated, they would kill without hesitation.

Seeing that the Qing army gave up the frontal attack and began to come up from the flank, Li Guodong went to find Lu Xiangsheng: "Supervisor Lu, Jiannu is going to attack the southeast corner. Your Tianxiong Army's crossbow soldiers are powerful. I hope the Supervisor can dispatch two thousand crossbow soldiers to cooperate with the last general's battle."

Lu Xiangsheng agreed without hesitation: "Okay, this governor Yang Lukai led two thousand crossbow soldiers to cooperate with Guodong's virtuous nephew, and you will attack Jiannu together!"

The crossbowmen and archers were limited by the shooting holes and the thickness of the walls were too thick to hide in the house and shoot outside through the shooting holes. So Li Guodong's archers and Lu Xiangsheng's crossbowmen were arranged behind the houses and ready to climb up the roof to shoot archers at any time. Xuan's army also transferred two thousand archers to help, plus Li Guodong's own 5,000 unqualified archers and 1,000 crossbowmen, a total of 10,000 crossbowmen were waiting for the Qing army to launch an attack. In a row of houses near the southeast corner, Li Guodong arranged two thousand bird gunmen. Behind the house, there were three thousand spearmen and one thousand knife players as reserve teams. If the Qing army broke through the periphery and attacked the first row of houses, these hand-to-hand combat soldiers would come in handy.

"Once Jiannu climbs onto the roof, don't fight, quickly retreat and retreat into the second row of houses. The second row of houses is taller than the first row, and you can shoot Jiannu who climbs onto the roof of the first row of houses from a high place." Li Guodong explained the precautions to Yang Lukai.

As the Qing army's shield car moved closer step by step, the sandbag castle shooting hole spewed out the flames, and the Jiutou Bird heavy musket and the Folang machine cannon fired, and the projectiles hit the shield car. However, this time the Ming army's shooting did not play any role. The shield car launched by the Qing army was all covered with cowhide, iron sheets, and an exquisite shield car with wet felt on the outside. The Folang machine and the Jiutou Bird musket projectiles hit these exquisite shield cars and could not be penetrated at all.

Seeing that the Folang machine cannon and the Jiutou heavy musket could not penetrate the shield car, the Ming army in the sandbag basin immediately sent a signal for help.

A small flag officer pulled the rope and a bell connected through the rope made a sound, and Li Guodong knew that the bastion needed reinforcements.

Two three-pound field guns were pushed into two larger houses. The shooting holes on the wall were opened, and the three-pound field guns extended the black holes from the shooting holes.

"Boom boom" the shooting hole of the house spit out two flames, and two shells roared away, hitting two exquisite shield cars of the Qing army.

Even the well-known shield chariot, which claimed to be indestructible, could not withstand the bombardment of three pounds of field guns. The shells hit the guard plate and penetrated through it in an instant. Although the wet felt and double cowhide slowed down the kinetic energy of the shells, the shells that penetrated the guard plates still pulled a bloodline from the coated crowd, and two shells knocked over more than a dozen Qing soldiers.

"Minggou actually arranged the field guns in the room to fire!" Kong Youde cursed with gritting his teeth.

The three-pound field guns that used a fixed charge pack were extremely fast. The gunners had just fired a round of shells. In just thirty breaths, two more shells flew out of the shooting hole, penetrated the two shield cars, and swept over the Baoyi Aha behind the shield cars.

After all, heavy artillery could not be installed on the side, and two three-pound artillery could not stop the Qing army from approaching.

This time, the Qing soldiers no longer used sandbags to fill the trench. Baoyi Aha and the armored men jumped into the trench and rushed towards the sandbag trench.

In the shooting hole of the sandbag earthen castle, bird guns, nine-headed bird heavy muskets, and Fran machine cannons filled with shotguns were aimed at the trenches and spitting out flames. At the same time, in the house behind the sandbag earthen castle, shooting holes opened one by one, and bird guns stretched out inside, constantly spraying fire. The dense bullets shot into the trenches. The Baoyi Aha and the armored man who had just jumped into the trenches were immediately knocked over a large area.
Chapter completed!