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Chapter 2125 The Battle of Mangshan (4)

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    Yanshi City is considered a strong city, with six to seven thousand troops in the city, guarded by Zuo Sima Zheng Ting.

    The Zheng family in Xingyang was very powerful in the Henan area and was the leader of all the aristocratic families, so Li Mi successively appointed Zheng Detao, Zheng Ting, and Zheng Qianxiang as Sima to win over each other.

    "It's a pity that with Li Mi's identity, the Zheng family in Xingyang can't look down on him.

    However, Zheng Ting still fulfilled his duties to Li Mi. After all, Li Mi now looks like a king. Once he ascends the throne and becomes emperor, he will be a minister at the level of prime minister.

    So when he didn¡¯t want to change his master at will, Zheng Ting was more serious than Shan Xiongxin.

    But whether a city falls or not is not entirely dependent on human will.

    Under the cover of the crossbowmen, the Sui army launched an attack on the city. Among the people who were constantly charging, there was a group of men in black who were an eyesore.  These people were dressed in black and did not hold weapons in their hands. Instead, several people pushed a coffin on a cart and rushed forward, braving arrows.

    The Wei troops on the top of the city were a little surprised when they saw this. The Sui troops pushed a coffin. Could it be that they were trying to do something wrong.

    Later generations thought this was nonsense, but the ancients believed it.  Otherwise, there wouldn¡¯t be so many stories about ways to defend against enemies.

    Even if a famous general is guarding the city, he will also prepare some black dog blood, feces and urine, etc., just in case.

    So Zheng Ting was relatively calm and immediately asked people to prepare black dog blood. As soon as someone in the Sui army did something, he would immediately pour the black dog blood on it to prevent evil spirits from causing trouble.

    But this group of people did nothing. Instead, they pushed the coffin to the city gate and then retreated.

    It was then that the city defenders saw clearly that there was a hemp rope attached to the coffin, leading to the Sui army.  Soon the hemp rope ignited, sparks bursting out and burning forward.

    The defenders were even more confused as to what they were going to do.

    But before everyone could figure it out, they suddenly heard a loud noise, as terrifying as a shocking earthquake, and then the earth shook and the mountains shook, the sky collapsed, and the whole world collapsed.

    After a long time, when the smoke and dust dissipated, both the Sui and Wei armies discovered that a piece of the wall of Yanshi City had collapsed, the city gate was broken, and the piles of rocks were filled with various fragmented corpses.

    Everyone did not understand what it was, but could only come back to the immortal practice.

    "The gods are angry!"

    The defenders at the top of the city kept shouting and fled in all directions.  Under this blow, the morale of the entire garrison plummeted and their morale collapsed.

    Chang Yunqing on the opposite side was also shocked. He knew there was a secret weapon, but he didn't expect it to be so terrifying, even more powerful than fierce fire oil.

    Although Chang Yunqing didn't know what was going on, he was a battle-tested general after all. He knew very well that at this time, the collapse of the Wei army would be a good opportunity to attack.

    So Chang Yunqing shouted "God bless our army, kill the rebels!" commanding the entire army and issued the order to charge.

    ??????????? In fact, this loud noise will allow a child in later generations to see it and know that it is an explosion.  Even those who know a little bit understand that it is a black powder explosion.

    Black powder was invented in the late Tang Dynasty and was widely used in military affairs in the Song Dynasty. However, with the invention of TNT, it was no longer used in later generations.

    However, the production and proportioning data of black gunpowder were very common in later generations.  Because he always appears in high school chemistry test questions and asks you to ask for it in person.  Huang Mingyuan can write the equation, and after doing some calculations, he can get a more accurate ratio.  That's almost 74.64 nitrate, 11.85 sulfur and 13.51 charcoal.

    After grinding, mix thoroughly, it is best to add some egg white to make granules.

    24378  Completely two things.  Even if you have the most accurate ratio, without modern industrial foundations such as steam compaction, mechanical granulation and polishing processes, you still can't make black powder at the level of modern times. This thing is not a sugar-cooked chestnut.

    But there is an accurate formula, which is ground, mixed and pressed by hand. Although it is a bit rough, it already meets the current needs.

    Huang Mingyuan was not engaging in an artillery battle, he was just using black powder to blow up a city gate.

    In fact, Huang Mingyuan had invented this kind of black powder a long time ago, but he had never taken it out.  He didn't even use it in the three previous battles in Hebei, Hedong, and Guanzhong.

    First, it is unnecessary. Before the Sui Dynasty, as long as it was used, the secret could not be kept secret and must be handed over to the state.  And giving it to Yang Guang is equivalent to giving it to everyone in the world. What technological advantages will there be then?

    Second, gunpowder is an auxiliary technology after all. It is a strange move, but it cannot be regarded as aRely on it, otherwise it will backfire.

    The Ming Dynasty has the most say on this point.  When the Ming and Qing armies fought, it was not that the guns were inferior or that the artillery was not powerful, but that the troops did not dare to fight hand-to-hand.  As long as the Qing cavalry escaped the first round of shooting by the Ming army, the rest would be massacre.

    In future wars, gunpowder still has a long way to go before it becomes mainstream. We cannot lose sight of one thing and lose the other.

    (The most important thing is that if technology crushes us, we will no longer be able to write novels.)

    Now that the world has been settled, by using gunpowder, we can not only speed up the end of the war, but also test the strength of the gunpowder, facilitate improvements, and kill two birds with one stone.

    At this time 75*zwz.com Zhang Si.  Of course, cannons cannot be invented, and the level of metal smelting is really not up to par.  But how to use black gunpowder, the Taiping Army's native camp has the most say.

    Historically, the Taiping Army used the charcoal burners led by Yang Xiuqing to form an earthen camp. Every time they attacked the city, this group of people would choose loose soil locations to dig tunnels. At the same time, they would beat gongs and drums to distract the Qing army.  The earth camp soldiers were able to dig smoothly.  The earth camp first dug a large hole several miles away from the city, and then erected hardwood while digging to support the roof of the hole to prevent collapse, and dug all the way to the base of the city wall.  The camp will then fill the empty coffin with explosives and transport it to the end of the tunnel.  At the same time, the tunnel is covered with straw all the way, and gunpowder or fuses are placed on it. When night falls, fire is set to attack the city.

    Attacking the city in this way will lead to no disadvantage.

    Huang Mingyuan naturally formed a similar army based on Tuying.

    However, time was tight today, and Yanshi City was a rammed earth city, which was far less sturdy than the brick cities of later generations, so it was blasted directly at the city gate.

    For the Sui army, once the city gate was opened, the defenders in the city were no longer a problem.

    " Moreover, Zheng Ting's troops were not elite in the first place, and they had already collapsed under the bombardment of gunpowder.  So when the Sui army entered the city, there were surrendered troops everywhere.

    Zhida z.com Zhixiao.  Zheng Ting was a smart man. He would do his duty for Li Mi, but he would not die for Li Mi. Therefore, when the Yanshi city was destroyed, he had no choice but to surrender.

    Fortunately, the Sui army's assault speed was not very fast.

    There were too many surrendered troops in the city, and they all knelt on the streets, blocking the way forward for the Sui army.  The Sui army could not kill prisoners, but could only capture them one by one, so their advance was naturally slow.  When the Sui army entered the county government, they only saw Zheng Ting lowering his flag.

    Zhang Zhenzhou, who was outside the city, looked at the destruction of Yanshi City and felt determined. The next step was to see what Shan Xiongxin would choose

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