The first attack on Ningyuan was a heavy loss. Baoyi and the Mongols were naturally not seen, but Zhenyi suffered more than two thousand casualties.

Among them, dozens of officers including Beldege and Gushan Ezhen Turge were killed. How could the old slave not feel sad and angry?

Looking at the fire and the thick smoke rising from the wooden stake formation in the distance, the old slave felt that the time was almost over, so he issued another order.

The sound of horse hooves roared, and Jiannu's cavalry team galloped, approaching and pressing in the east, west and south. The cavalry lit rockets a hundred meters away, then rode their horses to the first trench and shot towards the wooden stake formation.

Thousands of war horses galloped, and the sound of horse hooves roared, shaking the ground slightly. Coupled with Jiannu's shouts, the power was amazing.

Fan Wencheng smiled a little, which was also his strategy. It was better to divide the strength and attention of the defenders to attack on the side.

"Jiannu's riding and shooting--" Xiong Tingbi sneered and shook his head.

No matter how much momentum is created, the trench is placed there. Even without the barrier of the wooden stake array, the power of defense will not be much reduced.

If Jiannu had the purpose of fighting to the city, it would not be the beginning of victory, but the beginning of a nightmare.

Although it was the first time that Ningyuan City was attacked after completing the construction of the defense system, the Ming army had conducted many drills around offense and defense.

Therefore, the city guards, including Xiong Tingbi, were quite confident and were calm in fighting and killed a large number of enemies with stable performance.

"Transfer the order to order the guards from all directions outside the city to prepare for retreating into the city." Xiong Tingbi pondered for a while and issued a new order again.

There is no obvious difference between whether to continue defending outside the city based on deep ditches and high barriers, or to lead Jiannu to the city to kill and damage a large number of people. There is no obvious difference between the two, both aiming to kill enemies.

Xiong Tingbi felt that Jiannu was the last crazy thing this time, and he would have to withdraw his troops dimly when he was repelled. Giving them some hope and leading them to the city to give them a heavy blow, which should be able to eliminate the enemy more.

Moreover, Xiong Tingbi also wanted the officers and soldiers to try it out for defense in Yicheng. After all, this defense system similar to a battalion has not yet been carried out in actual combat.

In Xiong Tingbi's view, if the brink of the brink showed great advantages in actual combat, the Ming army would be able to advance to Jinzhou, Dalinghe, and even Guangning, exerting greater oppression on Jiannu.

The order was quickly passed to the guards of all parties, and preparations began immediately. The relatively heavy artillery was moved first, and the excess ammunition and medicine were also moved to the city, and the weapons and troops on the city increased.

The officers and soldiers all knew in their hearts that they had to take the initiative to give up the positions outside the city and rely on the city to fight the enemy in the next round of competition.

With the intensive arrangements here, Jiannu was still tossing. The flames ignited from the wooden stake formation and the silence of the Ming army on the position gave Jiannu hope and courage, and their shouts were even more powerful.

"Report to King Khan, the enemy's troops at the city were shaken and there were signs of retreating into the city."

"Report to King Khan, the number of enemy troops in the city increased, and the number of enemy troops under the city was frequently mobilized, as if transporting supplies into the city."

Nurhaci listened to the reward of the stalker, his expressionless face eased a little, and he waved his hand and said, "Try again."

Fan Wencheng listened carefully, felt proud, but he tried his best to be reserved, and did not dare to show a look of being too proud and contentment.

Faced with the tricks of burning the wooden stake formation, the Ming army's formation was already in chaos and was ready to retreat after losing. And some of the tricks and tricks were more than that?

Lao Nu and Fan Wencheng didn't understand this intention about the strange shape of Ningyuan City. The deformation of the horse face uses cross firepower to make up for the blind spots of attacking the enemy under the city.

But they understand, but they have never really seen it, and they have underestimated the lethal power of the brink.

In Fan Wencheng's plan, after attacking the city, he pushed the cannons he carried up to bombard the city wall.

Although they all knew that the artillery on the Ming army city had an advantage in range, what would the number of Han soldiers who controlled the artillery be killed?

At the same time, soldiers who attacked the city could also drill the city in the weak areas between the two platforms in the corner of the city gate, and use hook ladders to climb the city to fight.

This three-pronged approach is a perfect way to break the city, but it is the closest way to success.

Although there were fire and smoke rising on the battlefield, the battle was not fierce. Both sides were making arrangements as planned, waiting for the opportunity to explode.

When the wooden stake formation was burned to pieces and could no longer hinder the passage, Jiannu's real attack finally began.

A series of tall and large giants appeared on the battlefield, advancing along the pathways that the army made way out, approaching the trench.

Xiong Tingbi held up the telescope and observed it carefully. After a while, he seemed to recognize it. Could it be a trench bridge or a trench car?

The trench bridge is designed to pass obstacles such as trenches or moats outside the city. It is used as a mobility bridge for the siege army. It is somewhat like a folded fire ladder in later generations in shape.

During the Song Dynasty, the trench bridge was loaded with wheels and made into a vehicle model for the purpose of moving. The width of the trench bridge depends on the width of the moat or moat, so it was mostly made on the spot after observing the attacking side during the siege.

A trench cart is also called a trench filler. It carries stones and soil. Once it reaches the edge of the trench, it throws the earth and stones into the trench. It uses vertical bridge boards as a defense, so that personnel can avoid being attacked by arrows and stones when pushing the trench filler.

Both types of equipment have wheels and are not fixed in shape, so Xiong Tingbi was difficult to distinguish for a while. But this did not prevent him from giving orders to the defenders in the city to adjust the artillery and prepare for bombardment.

Learning about war in war is a long process. Even if you are a veteran who has experienced many battles, you will encounter new problems and new tactics.

Xiong Tingbi also had some omissions, and the city wall was splashed with water and ice and added protection. However, he missed the wooden stake formation. If a layer of ice was frozen, Jiannu's fire attack would be difficult to work.

Of course, this has little impact on Ningyuan's defense system. But for Xiong Tingbi, it is also a warning.

Jiannu is not a savage, and their repeated battles do not rely entirely on brute force. Especially some traitors are helping each other, and when Xiong Tingbi sees a trench bridge or a trench cart, he can be sure.

The trench bridge is something that is only recorded in ancient books, especially the folded trench bridge. It uses a turntrench (pin shaft) and a pulley (stranded bridge truck), which is not something that ordinary people can only read books.

The trench filling carts recorded in the Song Dynasty's "Wu Jing Zongyao" and even if they were not imitated according to the picture, the trench carts could have the same effect, which was not very difficult.

Zhu Mei, a gang general who graduated from martial arts and returned to Ningyuan for only more than a month, was next to Xiong Tingbi, and was also observing the closer and closer siege equipment.

"Sir, this seems to be a trench bridge." Zhu Mei said with no certainty: "It happened during the Song Dynasty, and this dynasty has disappeared without a trace."

Xiong Tingbi asked without comment, "Isn't it a trench cart?"

Zhu Mei shook her head gently and said, "The trench filling cart has pictures and tangible shapes in "The General Yao of Wu Jing", but this is not the case."

Xiong Tingbi smiled admiringly, first conveyed the order of generals, ordered the archers to quickly go out of the city to fight with rockets, and then said to Zhu Mei: "You have watched "Armed Armed Forces", which is great."

Zhu Mei's name is Haifeng, which is not very famous in history, but it is relatively speaking. He was born in Qiantunwei, Guangning, Liaodong, and was simple and loyal, smart and capable.

In history, he participated in the Ningyuan Defense War and the Ningjin War, and was later promoted to Shanhai General Town, both of which were brave and capable.

Zhu Mei smiled a little embarrassedly and said, "I only heard from the professor in martial arts for a few words, and also saw the boat bridge being developed. It is quite similar to this trench bridge, but it is more delicate and clever."

Oh, Xiong Tingbi was a little surprised and stroked his beard and said, "Martial Arts is developing a boat bridge. Is it for the convenience of landing along the coast?"

Martial arts have been added. In addition to scholastics, cavalry, and cannons, there has been also added engineering and baggage, and a weapon research institute has been set up. The boat bridge is used in the engineering department and is developed by some skilled craftsmen.

Zhu Mei said: "Not only coastal landings, but also rivers and swamps, can also be used."

Xiong Tingbi nodded, stopped asking more details, turned his eyes outside the city, pointed his finger, and said, "Only with the help of Han people in Jiannu, you can build a trench bridge. In the future, you should not underestimate the enemy when fighting with Jiannu!"

Zhu Mei's face also became solemn. Jiannu's bravery and the scientific and cultural culture of the Han people, it is really not to be underestimated in time.

"Long live the sir, sir, and ask for more arson weapons." Zhu Mei glanced at the box behind the city wall and said, "There are fewer combustion bombs."

Xiong Tingbi smiled bitterly and said, "It's not easy. The turmeric oil is collected from the northwest and transported from thousands of miles away. The quantity is small, the cost is large."

The earliest record of my collection and utilization of oil is "Book of the Later Han Dynasty: County and State Records" written by Fan Ye of the Southern Dynasty.

At that time, Yanshou County, Jiuquan County, was now in Yumen area of ​​Gansu Province. "There is a mountain in the south of the county, and the stones are watered in spring. It is as big as it is burning and cannot be eaten. The county people call it stone lacquer."

The "Bowuzhi" of the Jin Dynasty also pointed out that this kind of stone paint can be used as a lubricating oil "paste car" (lubricating axle).

These records show that the ancient Chinese people not only had a further understanding of the properties of oil, but also began to collect and utilize it.

"The General Yao of Wu Jing" also records how to use oil as raw materials to make powerful offensive weapons - "hard turbulent oil". There was a factory specializing in the military weapon supervision of the Northern Song Dynasty that specialized in processing "hard turbulent oil".

But collection and mining are two different things. It is expected that the underground seep naturally. How much oil can produce?

Therefore, when it comes to arson, after the Song Dynasty, there were nitrsulfonate gunpowder and other substances, and fierce tinder oil was very rare.

In Zhu Youxiao's opinion, the use of a mixture of strong liquor during the Battle of Guangning was still much worse. The burning was not fierce and lasting enough, the effect was not fierce and exciting enough, and the visual was not shocking enough!

Therefore, after the Battle of Guangning, he issued an order to ask local officials from Yan'an Road in the northwest to purchase stone paint, stone liquid, fat, tinder oil, and tinder oil, which are all things - oil.

In addition, Zhu Youxiao also asked the Gunpowder Weapon Bureau to create some incendiary bombs mixed with whale oil and spirits, which were worse than oil, but the effect was quite good.

Just as Xiong Tingbi said, it is really expensive to transport thousands of miles.

But Zhu Youxiao had already thought of a solution and was studying and experimenting. The probability of success is very high, but it will take some time.

Therefore, there are not many explosive incendiary bombs stored in Ningyuan City and they are not easily used. As for rocket tanks with poor combustion effects, they are still relatively sufficient.

After waiting for a while, Jiannu's trench bridge slowly approached the trench, and the artillery officer came to ask whether to open fire and bombard it.

With Xiong Tingbi's order, the old-fashioned artillery fired first. As the flames flashed and the white smoke rose, solid shells flew out of the city and shot towards the target.

Amid the rumbling sound of cannons, the cannonballs crossed the low flat trajectory at a speed visible to the naked eye, or jumped forward on the ground, or hit the trench bridge directly.

Because the trench bridge is larger and heavier than the trench vehicle, it consumes more manpower and is more resistant to strike than the trench vehicle.

A two or three pound shell hit the trench bridge, but it only made a hole in the folded and oblique bridge deck, or damaged the spliced ​​and nailed trees, which could not cause damage to the entire trench bridge.

Xiong Tingbi observed and soon ordered the artillery to stop bombardment and let the artillery take the time to load ammunition, and prepare to bombard the Jiannu armored soldiers who were rushing through the trench bridge.

At this time, a tent rocket rose from the Ming army's position and shot towards the wooden trench bridge. Some rockets hit the target and ignited flames on the trench bridge.

Xiong Tingbi shook his head, believing that the generals on the position did not understand this relatively ancient attack device, and that the rockets shot too early and did not have much threat.

Sure enough, after the trench bridge approached the trench, the coat behind the car shouted a horn and pulled the rope.

The folded bridge deck slowly stood up straight and leaned forward. Finally, it shot forward with a loud bang. The pinnacles at the front of the bridge deck were tied to the other side of the trench, and a passing bridge was built on the trench, and several rockets on the bridge deck also died out.

In addition to the cart coating behind the trench bridge, the cart also provides cover with the cart. The bridge deck opens and immediately appears.

Jiannu archers shot dense arrows behind the car, covering Baoyi and carrying the hook ladder to the trench bridge. The Baoyi shouted both courageous and fearful, and rushed up.

Boom! The sound of cannons sounded at the Ming army position facing the trench bridge, and a tiger squatting cannon shot out hundreds of projectiles and rushed towards the enemy.

Several of the coats carrying the ladder were immediately knocked down, and they let out shrill screams and wails.

Under the command and coercion of the officer, another coat rushed up to fill in the gaps, carried the hook ladder and continued to rush forward.

Accompanied by a swan sound, the muskets roared on the Ming army's positions, and lead bullets roared at the enemy.

Boom! Another trench bridge was remake, and the same coat rushed over with a hook ladder, and wanted to set up a path on the second trench.

The sound of gunfire was dense, and the Ming army relied on its positions to shoot fiercely, destroying the enemy's combat intentions.

The sound of muskets sounded from Jiannu. It was the Han soldiers led by Tong Yangxing. They relied on the car and fired back with the bird gun in their hands.

A hook ladder built a trench, and the Jiannu officer behind him howled louder and commanded. Baoyi could only bite the bullet and rushed forward with the hook ladder again.
Chapter completed!