In order to open the city, Gao Mingheng planned to recruit young people in the city, but the problem of food and salary still plagued him, and he had no choice but to discuss with Zhu Gongfang, the king of Zhou.

To put it mildly, Zhu Gongyu allocated 100 stone of grain and 10,000 taels of silver.

Gao Mingheng looked at the money and grain, and could only sigh slightly, he originally planned to recruit 10,000 young people, but these money and grain were only enough for 10,000 people to have a day's food and a month's salary.

After thinking about it, Gao Mingheng decided to recruit a thousand people, and the food could last for ten days.

Ten days later?

Liu Zeqing returned from the defeat of Zhujiazhai, will he send people to reinforce Kaifeng?

Standing at the head of the West City, Gao Mingheng's profound gaze gradually became blurred, the camp of the Heavenly Mandate Army had extended to the outside of the West City, although it was far away from the city wall, it was also a threat after all.

I don't know where the Mandate of Heaven Army got the food...... It suddenly occurred to him that the Mandate of Heaven Army had harvested the wheat outside the city, and it was probably longer than the inside of the city, and if there were no reinforcements from the imperial court, Kaifeng City would be left to fend for itself......

Thinking of the food stored in the hands of the Mandate of Heaven Army, attracting women and young people in the city, the more Gao Mingheng thought about it, the more angry he became, how could these people not be in the same boat with the government?

In order to punish such unscrupulous people, Gao Mingheng ordered the city gate to be closed, prohibiting the old and weak women and children in the city from going out of the city to dig wild vegetables, and publicized in the city that the wild vegetables outside the city had been dug up.

Outside Kaifeng City, the cavalry of the first battalion of Liu Yunshui's department is stepping up drills, and veterans and recruits are galloping outside the city, not only to train soldiers, but also to deter the defenders in the city.

Li Zicheng pondered in the big tent, this time the fourth battalion and the seventh battalion jointly attacked the 5,000 soldiers stationed in Zhujiazhai under Liu Zeqing's department, and in order to break through the big battalion, Song Wen was ingenious and gave up the rifle, but switched to using a waist knife to fight.

Although in the end it was victorious and broke through the camp of the Ming army, it also exposed the shortcomings of the Xining rifle: it could not break through the shield of the Ming army!

In the past, when the Xining rifle was used against the Mongol cavalry, because the Mongols did not have a shield, the Xining rifle was almost invincible, even the elite cavalry of Lin Dan Khan was folded in front of the Xining rifle.

It can be said that the appearance of the Xining rifle was to deal with the northwestern nomadic cavalry.

However, when he arrived in the Central Plains, when facing the Ming army, because the Ming army was generally equipped with shields, the Xining rifle was blocked many times, and things like attacking Liu Zeqing's camp had happened several times.

In this era, the Xining rifle is definitely an advanced fire # gun, but it is not invincible, the shield is almost its nemesis, if this situation is allowed to develop, the Mandate of Heaven Army will suffer a big loss sooner or later!

Li Zicheng is already thinking about improvement.

If the Xining rifle is improved and directly penetrates the shield, I am afraid it is not realistic, and there are two feasible methods: one is to abandon the Xining rifle and start anew, and directly manufacture a rifle that can restrain the shield; Another way of thinking is to design new firearms, specifically designed to deal with shields and assist rifles in supremacy of the battlefield.

Both of these ideas are possible.

Li Zicheng wanted to abandon the rifle directly at first, but soon denied this idea, in order to create a new rifle, in addition to the design drawings, but also need technology accumulation, this era, whether it is the production process, people's thoughts, or the materials used to make precision rifles, are far inferior to later generations.

Moreover, even if a new rifle can be produced, it will take a lot of time to produce, is it possible that during this time, the Mandate of Heaven has wasted time waiting?

As for the second idea, which is the weapon to design a secondary rifle and a shield destroyer?

Although the mountain artillery has realized the miniaturization of the artillery and the firing range is also good, after all, it is a long-range attack weapon, which can only destroy the enemy's fortifications, and when fighting head-on, the rate of fire and firing range of the mountain artillery cannot meet the requirements.

Gunpowder packs are even worse, it's okay to blow up the city gates, but you can't throw them out of the range of the opponent's bow and arrows......

Li Zicheng searched his mind for later film and television dramas, especially the early combat scenes.

He suddenly thought of the situation when the Japanese knocked on the helmet with a grenade, and his heart moved: yes, it is a grenade!

The grenade is small in size, and the gunpowder contained inside is not as good as the flowering bullet, and the power may be smaller, but because of the small size and light weight of the grenade, soldiers can throw it far away, and soldiers with great strength can throw it completely out of the range of bows and arrows......

The grenade also has some advantages, such as low production cost, fast production speed, short update cycle, and simple production process......

Speaking of the production technology of grenades, a smile appeared on Li Zicheng's face, the principle of grenade explosion is similar to that of flowering bombs, for the Firearms Bureau in Lanzhou, there is no technical difficulty, and he does not need to personally guide him!

Li Zicheng didn't like the Japanese way of throwing grenades, which exploded after pulling out the fuse and hitting a steel helmet or other hard object.

The soldiers of the Mandate of Heaven armed with rifles have all taken off their armor and do not have steel helmets on their heads, so if they are fighting in a soft plain area, or in rainy weather, won't the grenades be unable to explode?

The grenade # bomb with too simple technology is also not looked down on by Li Zicheng, and it will be easy to be imitated by the enemy in the future!

He took out the precious drawings on his body, patiently searched, and finally found a grenade that he liked, and named it "grenade", "the thunder thrown by hand", which is easy to understand and easy for soldiers to remember.

Leaning on the marching bed, General Li Zicheng thought about the manufacture of grenades, including the cost of production, after the Mandate of Heaven Army came to Henan, in addition to rifles, mountain artillery and other firearms need to rely on Lanzhou, almost creating a new situation.

The initial money and grain all came from the various palaces in Henan, and then it was the same as Xining at the beginning, producing grain on the land of Henan, so that the three provinces of Gansu, Qinghai and Sichuan, as the rear, were able to cultivate and recuperate, and industry, commerce, and agriculture would recover and develop at a very fast speed, and the cost of producing grenades should not be a problem.

Li Zicheng copied the production drawings of the grenade, and wrote two long letters, one is the precautions in the production of the grenade, and the other is written to Tang Ruowang, the prefect of Lanzhou, ordering him to personally supervise and produce the grenade as soon as possible.

The production drawings and the two long letters were all top-secret materials, and in order to avoid loss, Li Zicheng sent four personal soldiers to Lanzhou in person.

Li Zicheng had just arranged the grenade and was about to walk out of the big tent to breathe, He Mi hurriedly came over, "Metropolitan Governor, the Ming army has closed all the city gates!" ”

"Close the gates?" Li Zicheng thought about it unconsciously, the Ming army closed the city, was he afraid that the Heavenly Mandate Army would attack the city?

No! He immediately denied that if the Mandate of Heaven army was attacking the city, it must first approach the city, and the Ming army on the city would find out, and then close the city gate.

Then why did the Ming army close the city gates? What exactly does Gao Mingheng want to do?

Li Zicheng pondered for a moment, and a smile appeared on his face, yes, it must be this reason!

Gao Mingheng closed the city to prevent the people in the city from going out. It was originally a good thing that the elderly, weak, women and children went out of the city to dig wild vegetables, which could reduce the pressure on the city's internal food.

Liu Zeqing's troops crossed the Yellow River, and after the camp was broken by Song Wen, a lot of grain was left in the camp, which should be to transport grain to the city, and the pressure of grain in the city can be seen.

The problem is that after the people left the city, they were helped by the Mandate of Heaven army, and many people stayed directly outside the city, and even the young people of their families secretly climbed the city wall and went out of the city.

The people who go out of the city do not want to go back to the city!

The problem of people's hearts, the people's hearts in Kaifeng City have changed, and the opening has been transformed in a favorable direction for the Mandate of Heaven Army, what should the Mandate of Heaven Army do?

As long as the people in the city accept the Mandate of Heaven Army, they will slack off when defending the city, and even take the initiative to cooperate with the Mandate of Heaven Army, just like Luoyang at the beginning......

Li Zicheng immediately thought of the Han Qing Bureau, there are many people from the Han Qing Bureau in the city, and at this time, they should play their role!

Also, these armies outside the city can't just focus on drills, and at the same time as drills, they should add the content of actual combat, and while training and actual combat, the soldiers must grow faster than expected.

The camp of the Mandate of Heaven is far away from the city gate, and the west gate is abandoned, originally so that the Ming army in the city does not have to be too nervous, as long as the city gate is not closed, the people in the city can enter and exit freely, in case the people are short of food, as long as they go out of the city, they can get the help and resettlement of the Mandate of Heaven Army, at least they cannot be starved to death.

But the Ming army took the initiative to close the city gate, cutting off the people's way of life. No matter how beautiful the idea of the Mandate of Heaven Army is, without the cooperation of the civil and military officials in Kaifeng City, it cannot be implemented at all, after all, Kaifeng City is still in their hands.

Gao Mingheng wants to die, and he won't give him a ride.

Once the Mandate of Heaven army begins to attack the city, it will inevitably consume the youth and food in the city, maybe there is no shortage of young people in the city, but after the war starts, the consumption of food increases, which is the biggest shortcoming in Kaifeng City.

The battle on the head of the city will attract more energy from the civil and military officials in the city, and objectively it will also echo the actions of the Han Qing Bureau.

It's just that in this way, the people in the city will suffer, once the military food is insufficient, whether it is civil and military officials or ordinary soldiers, they will rob the people of food, and transfer the plight in the city to the most humble people......

Li Zicheng was a little frustrated, but "Ci is not in charge of the army", "one will succeed and ten thousand bones will wither", he knows and knows, what Niu Jinxing said last time was right, as long as he persists for a period of time, Kaifeng City will be broken!

The current Kaifeng City is already the most difficult moment of "no food and grass inside, no rescue soldiers outside", as long as the Mandate of Heaven Army holds up, Gao Mingheng will definitely not be able to hold on!

Li Zicheng thought about it for a long time, but he was still reluctant to Kaifeng's current good situation, for the sake of China in his heart, some people's sacrifices were destined to be inevitable, as long as the people had the opportunity to go out of the city, the Heavenly Mandate Army would definitely settle their lives.

He kept a calm face and issued two military orders to He Xiaomi: the people of the Han Qing Bureau in Kaifeng City should act as soon as possible to promote the Mandate of Heaven Army while creating panic in the city; The Mandate of Heaven army outside the city began to tentatively attack the city.

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