Fierce battles are in full swing under Wuguan City.

Facing Sima Yi's army, Deng Zhi did not dare to take it lightly or show weakness or other tricks, and he did not dare to play at this time. Once Sima Yi found the weak link, even if he entangled Sima Yi, he might not be able to swallow it.

Therefore, he tried his best to use all the more than 30 thunderbolt cars that Wei Ba spent more than ten days to build for him. According to Wei Ba's suggestion, he did not install these thunderbolt cars on the city wall, but placed them behind the city wall, and the people on the city wall directed the operation to adjust the thunderbolt car according to the actual strike effect.

In this way, although part of the range was lost and only covered the distance of fifty steps outside the moat, it protected itself well. It not only protected those who operated the Thunderbolt car, but also protected the technical secrets of the Thunderbolt car.

The Pili car that Wei Ba is now building is different from the original Pili car. On the one hand, it is refined in details. Wei Ba optimized the structure of the Pili car through various calculations, making the Pili car's range longer, but on the other hand, it is a change in power. If the former is a change in quantity, while the latter is a change in qualitativeness.

The Pili Chariot was a weapon that was found in the Warring States Period. It was called the Pili Chariot at that time. Later it was lost. When Cao Cao was between Guandu, he moved this weapon to the battlefield again according to the records of ancient military tactics, and gave it a scary name called Pili Chariot. In fact, the official name was also called the Pili Chariot or the stone thrower. This weapon was used until the Song and Yuan dynasties. Before the appearance of artillery, it was the well-deserved king of the battlefield. It was a powerful weapon for siege and defending the city, and was dominant on the battlefield like heavy crossbows.

However, this weapon has a major flaw, that is, the power system. From the date of its invention to the withdrawal of the battlefield after the Song and Yuan dynasties, the Chinese stone throwers were fired by human pulling instead of counterweights. Human pulling requires a lot of people. With more people, the force will inevitably be uneven. If the number of pulls is too many, people will be tired. Therefore, the power will change every time the power is launched. Changes in power will cause changes in range. At the same time, different forces will be used in different directions, which will also cause overall deflection and different shooting angles.

In short, the range of a stone thrower that is pulled by manpower is difficult to stabilize, so the accuracy is not enough.

These two problems can be solved by replacing human pulling. One is that the force is constant and the range can be guaranteed. The other is that there will be no lateral force and the shooting angle can be controlled within a very small range. In other words, the accuracy of the stone thrower can be greatly improved.

This has been fully proved when Wei Ba attacked Jianzhang Palace. As long as the weight of the stone bomb is controlled within a range, the final landing point of the stone bomb will basically not have much error.

Before the sniper rifle was invented, such accuracy was extremely accurate and comparable to the giant crossbow.

This improvement is very effective, but it is not complicated to do. Just like stirrups, you can basically learn it with just a glance. Wei Ba cannot guarantee that he will never be known, but keeping it confidential for one more day will give you an advantage. At this point, as Wei Ba, who was once influenced by modern industry, has a sensitivity that others cannot seek. Even Deng Zhi was unable to change his decision in the end.

Deng Zhi was a little unhappy at first, but when he saw that the thunder chariots were more than twice as accurate as the Wei army's similar weapons, the nest car that pushed the Wei army into the formation was beaten without exception and broke the arms and broken the house. The archers and watchers in the nest car fell down one by one like birds throwing into the forest. He probably guessed the reason why Wei Ba did this, and his unhappiness disappeared.

Even with the help of these thunder chariots, Deng Zhi was under a lot of pressure, because there was only one reason: Sima Yi's military strength advantage was too obvious.

Although Deng Zhi tried his best to block the attack, Sima Yi quickly filled the moat with nearly a hundred trenches and built a passage about fifty steps wide in front of the city. The soldiers of the Wei army stepped on the passage and pushed the nesting vehicles, siege vehicles, and ladders under the city wall, launching a continuous attack on the city gate and the city wall. Sima Yi formed three 5,000 square formations in front of the formation. Every time he went on the battle, he was 5,000 people, and divided them into dozens of them in front of the city wall less than 300 steps.

At the same time, each attack has nearly a hundred people. In front, there are soldiers climbing the city wall, and behind there are shooters who are in the nest car to conduct fixed-point attacks. At the same time, they provide information on the city head to the companions under the city. On the outside of the moat, there is also a 5,000-man archer meter array to cover the cover. The offensive is orderly and steadily. Once the soldiers' physical strength decreases, he will replace them with 5,000 people and fight again, not giving Deng Zhi a chance to breathe.

If it weren't for the rapid removal of those nesting vehicles in the Thunderbolt Car, there weren't any crossbow carriages to offset the disadvantage of insufficient troops, Deng Zhi believed that he would not be able to last for three days in front of Sima Yi's offensive.

After all, this is still the gap in strength. In the face of absolute strength, no matter what tricks you have, as long as your opponent does not make mistakes, it will be difficult for you to have any chance to turn defeat into victory.

After only half a day of battle, the city wall of Wuguan was once again covered with blood. The corpses under the city walls, stone rolling wood, smashed ladders, and weed-like arrows were much more than Hu Zun attacked for a day last time.

Deng Zhi also felt the strong pressure for the first time. He understood a little why Wei Ba did not recommend him to defend Wuguan to the death. Sima Yi was definitely not an ordinary opponent. He could guess his ability based on his preparation for ten days before the siege and his harshness of casualties after the siege began. If Wei Ba had not strongly suggested that Zhuge Liang increase his troops to Fangling last time, Meng Da would probably not be able to defend Fangling in the face of Sima Yi's almost crazy close attack.

Seeing Wei Ba walking up the city wall, Deng Zhi shook his head tiredly and pointed to the unmoving square formation outside the city and the command platform behind the square formation. "Ziyu, this person is a strong enemy."

Wei Ba grinned and thought to himself that you should say this. This ruthless character who can suffocate Prime Minister Zhuge's plan to the Northern Expedition to death can be said to be the most outstanding military strategist in the mid-stage of the Three Kingdoms. But he was not lucky and was delayed by me for the time to shine.

"What do the general have?"

"Hold for two more days, consume their morale and look at it. I don't believe he can keep attacking like this." Deng Zhi looked at Wei Ba and laughed: "I just saw the Wei army's navy, with a lot of fewer numbers and the tower ships were gone. Have you succeeded?"

Wei Ba smiled slightly: "I wish to thank His Majesty the Emperor for his great blessing, and I wish I could live up to the mission of the general."

Deng Zhi laughed, patted Wei Ba's shoulder, and walked slowly on the city wall. "Ziyu, I believe you can defeat them, but I didn't expect you to succeed so quickly. Speaking of which, it's still awesome for the younger generation. The Prime Minister valued you so much, and I didn't think so much about it at the beginning. Now it seems that the Prime Minister is still aware of people, and I can't stand it."

Wei Ba nodded quietly and agreed, "Of course, the Prime Minister is a rare genius in a century, and it is beyond our reach."

"You are not bad either. Among young people, it is rare to be able to be as capable as you." Deng Zhi raised his head and sighed: "With the Prime Minister's plan and a young hero like you, as long as he cooperates with a tacit understanding, what's the difficulty of restoring the Han Dynasty?"

Wei Ba nodded repeatedly and did not say a word. He knew what Deng Zhi wanted to say, but he disagreed. It’s not that I don’t want to cooperate with the Prime Minister, but that the Prime Minister stabbed me in the back. Should I just obey the order and ask for help? You should tell the Prime Minister these words of sincerity and unity, and not teach me a lesson.

Seeing Wei Ba's expression, Deng Zhi sighed and stopped continuing the topic. He turned to Sima Yi outside the city and said, "Ziyu, what can you do to defeat Sima Yi?"

Wei Ba shook his head: "The gap in strength is too big, and this person is very smart, so he won't leave us many opportunities."

Deng Zhi frowned: "You suggest me abandon the city again?"

Wei Ba smiled and said, "This is not possible. Since the general wants to defend, he can guard it for one day, so he will guard it for one day. I also want to salvage the tower ship and several warships to see if it can be repaired. If it can be used, it will be a good thing."

Deng Zhi didn't care much about those ships, and as long as Wei Ba didn't let him abandon the city now, he had no objection. The two discussed and estimated the supplies stored in the city. After all, they were still not sure. Now it depends on how long Sima Yi can maintain such an offensive. As long as more than ten days, the city's materials will be exhausted, casualties will increase sharply, and the danger of breaking the city will increase sharply.

In the end, when fighting, it is still a strength to fight. When both sides are very cautious, it is very unlikely to win with strange things and win with fewer things.

This idea is not only Wei Ba, Deng Zhi, but also Sima Yi and his son.

Seeing Sima Shi, who was calm but somewhat depressed, Sima Yi was a little surprised: "Are you back?"

Sima Shi lowered his head: "Father, I was ambushed by Wei Ba."

"Ambushe?" Sima Yi raised his eyebrows: "Let me tell me, how did he ambush you?"

Sima Shi said the story, and then sat there silently without saying a word. Sima Yi was silent for a moment and laughed: "It seems that this kid is indeed a smart man. It is beyond my expectations that he can come up with such a solution in an anxious manner. However, the strange skills and tricks will not be a good place in the end. The two countries' wars are not only comparing the wisdom of the generals on both sides, but also comparing the national strength of both sides. These clever tricks can be saved for a while but not for a lifetime. I want to see what he can do to make up for the nearly ten times the gap in military strength between our two sides."

He stared at the silent Sima Shi and sighed softly: "Ziyuan, you disappointed me."

Sima Shi bowed embarrassedly and said, "Yes, my son disappointed my father and was extremely ashamed."

"But, do you know what I'm disappointed?"

Sima Shi blinked and shook his head.

"What disappoints me is not that you lose, but that you only see failure but don't know how to turn failure into a lesson. Ziyuan, who knows others, who knows others, is clear. You have always been very confident before, not because you are outstanding - of course, you are indeed outstanding - but because you don't have enough opponents around you, so your understanding of yourself is not completely accurate. Now, you have a good opponent, which is a great opportunity to sharpen yourself, but why can't you recover? If it were you, I would be happy to sing and dance and get drunk."

Sima Shi suddenly realized and his eyes slowly lit up.

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Chapter completed!