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If it weren't for Zhang Jiashi's release of grass dragonflies from time to time to investigate the extended camp of the Donghu people, knowing that those Donghu people had not retreated, maybe he would have believed the rumors circulated by several five hundred lords under his command that the Donghu people had fully retreated.

But compared to this, Zhang Jiashi found a very serious problem, that is, the Donghu people constantly drove slaves to do what to write.

Zhang Jiashi does not have much understanding of siege equipment, and most of the siege weapons recorded in the Qingyu Spirit Book are not relatively ancient siege equipment, but mainly siege weapons after the Tang Dynasty.

Of course, black powder and the like, too, are also recorded.

For Zhang Jiashi, he wanted to put some of the inventions of black powder into the assembly at this time, and he believed that with Moshu and the current Liaodong military construction as the foundation, the original firearms based on black powder would not be difficult to make.

But Bai Qi did not agree with his idea of developing black powder at all.

No matter how advanced the current black powder is, can it be more powerful than other chemical explosives?

Zhang Jiashi was silent when he heard this, he wanted to say something, but the series of data listed by Bai Qi showed that even if Zhang Jiashi was really made of black powder now, it actually didn't mean anything.

The reality is not like that of the later generations, the so-called situation of being able to easily cross and make advanced weapons is difficult to achieve in many cases.

For example, the iron-pipe firearms of later generations were simply a thing that did not have much effect.

Not to mention that it is not easy to scrap, just that kind of rate of fire and range, many times facing the enemy, there is no actual combat significance.

As far as the Ming army's firearms against the Qing army are concerned, in addition to the defensive battle, the Qing army is also afraid of the Ming army's city-head artillery, but in the field battle, the Ming army's musket artillery may have been killed by the enemy before it was fired once or twice.

In many ways, the greater threat to the Ming army to the Qing army was the fewer and fewer Ming strong archers, but not firearms.

With today's technology, it is not difficult to use the perfusion method to cast the barrel of the gun. However, compared to this problem, the quality of the firearms produced in this way is not good. Because of the texture of bronze, it is not suitable to be the main body of firearms.

In many cases, the firearms produced by Zhang Jiashi's order were inherently problematic.

Iron-cast barrels can't be made now. As Zhang Jiashi used to think, before building a relatively good steel production system, the method of molten iron infusion was often a pipe dream.

Zhang Jiashi couldn't help but mutter: "The firearms we produce are basically useless?"

Bai Qi retorted to Zhang Jiashi with disdain: "From the assault guns of the Song Dynasty to the arquebuses of the Qing army, they are basically some existences that do not have much actual combat significance. Until you can make a good flint gun, I advise you to put your mind to something else. The performance of many cold weapons, before the appearance of flint guns, is a very far comparison compared to many firearms. Can a soldier with an arquebus win against a crossbowman with considerable experience?"

Zhang Jiashi thought about it and found that this problem was just as Bai Qi said.

Can an arquebusier win a crossbowman with a pouting crossbow? But not absolutely, but just the firing range, the effective range of the arquebus, which is tens of meters or so of a hundred meters, is a problem.

Keep in mind that the Crossbowman can easily take out the Arquebusier before it reaches its effective range.

Such a thing, if it is said in the environment of later generations, maybe few people believe it, but this is the reality, the relatively primitive hot weapon, in the face of the cold weapon that has almost reached the peak, is an existence that does not have much effect.

Bai Qi said very jokingly: "If you can make those tanks and planes now, I will be very happy." ”

Zhang Jiashi was very helplessly silent, because as Bai Qi's sentence implied, many things cannot be developed by leaps and bounds at once, and Rome was not built in a day. In this case, many things can only be accumulated over time and practiced many times before it is possible to make certain progress.

Thinking of this, Zhang Jiashi originally wanted to give up such an unrealistic idea for the time being.

But he didn't expect that Bai Qihui would suddenly say something to him: "Do you need to be so discouraged? I mean I don't support you to make those primitive muskets and artillery and other things, not to make you completely abandon the combat use of black powder." ”

"What do you mean?" said Zhang Jiashi, uncertain.

Bai Qi's idea made Zhang Jiashi feel very jumpy, that is, Bai Qi actually leaned towards the explosive effect of that kind of black powder.

That is, throwing black powder packs with catapults, or researching less powerful grenades or ground mines.

According to Zhang Jiashi's understanding, Bai Qi is a simple weapon that is more inclined to apply black powder to simple production, rather than spending a lot of manpower to invent the kind of firearms that are not very reliable in his eyes, such as muskets and artillery.

Zhang Jiashi thought for a moment, and then said, "What does the general mean?"

"Since cold weapons are more effective in this regard, why put the cart before the horse? But one thing is also important, the appearance of black powder will inevitably lead to great changes in history in the future. The combat capability of an army and the combat capability of its soldiers themselves naturally occupy a large aspect, but relatively speaking, what we must do is to develop more effective ways of killing the enemy and corresponding effective equipment. Those primitive firearms, with too many flaws, are not a good way of fighting at all. ”

"In the case of an ambush by a force, perhaps the loud sound of firearms will confuse people who have not been in contact with it, but in a sense, it can be regarded as revealing one's own position. There are many more such flaws. Can a thousand arquebusiers fight a thousand knights who are trained and not affected by the sound of firearms?"

"Probably not. Zhang Jiashi thought for a moment and expressed his opinion.

Bai Qi's words sounded again: "That's right, what we can do is to use the most suitable things." ”

"General, why did you say these things to me?" Zhang Jiashi didn't quite understand what Bai Qi's words meant.

Bai Qi smiled bitterly and said: "I'm just making your life-saving coefficient a little higher, you don't know, those things are serious siege equipment." ”

Zhang Jiashi was stunned, because he really didn't think about the problem.

Knowing that the situation had suddenly become urgent, Zhang Jiashi ordered his uncle and grandson Ji to quickly hand over a list to Mo Shu, so that he could develop the gunpowder that Zhang Jiashi needed and produce a certain amount of gunpowder on the premise of ensuring his own safety.

Zhang Jiashi knew that Great Qin itself had a set of quite accurate measurement methods, just like the bronze weapons used when the Qin army swept the Six Kingdoms before, and the bronze formulas themselves were accurate to percentages or even thousandths, Zhang Jiashi knew very well that some things were not what later generations thought, and the measurement methods at that time were bound to be very backward.

It can be said that Mo Shu and the Liaodong military under his command have certainly mastered this method.

Zhang Jiashi also talked about some of the more ancient test methods, that is, using a piece of hemp rope stained with tung oil as a fuse, and then igniting the gunpowder as a test product.

Theoretically...... With a few shieldmen hiding and a distance away from those black powders, the probability of Mo Shu wanting to be injured should not be too great.

Of course, Zhang Jiashi also added a sentence, if the test is successful, Moshu will concentrate the manpower of Liaodong military construction and adopt the division of labor to concentrate on the production of these black powders.

Zhang Jiashi didn't care whether he would leak secrets if he did so, because now, he was facing the Donghu people who might launch a different offensive at any time, like wolves and tigers.

...................................................... Dividing Line................................................

With Zhang Jiashi, because he was raised by Bai Qi, he had to produce black powder to deal with the large-scale offensive that the Donghu people might launch, and the Donghu people threatened slaves, and under the command of a few craftsmen who were willing to cooperate, they produced a lot of siege equipment that was still a bit rudimentary, but there was no problem in fighting.

Under the inspection of the Donghu king Zabehe, many of the leaders of the Donghu tribe who followed were a little disdainful of these siege equipment that most of them had never heard of.

However, after those craftsmen said that these equipment would allow them to easily break through the Great Wall, these Donghu tribal leaders quickly showed a greedy smile.

And Zabekh's mood also became lighter, and the depression caused by the death of thousands of people a few days ago quickly disappeared.

All he could think of now was plundering the rich territory of Great Qin.

No, he then rejects his own idea, which he thinks is not ambitious, and instead exclaims, "We have a chance to regain the land lost by our ancestors!!"

Many Donghu tribal leaders, after hearing Zabehe's words, were also emotional.

Because then once they broke through the Great Wall, so soon, everything was as Zabeh thought, they were able to regain the land seized by the Yan State, and once again turn Liaodong and Liaoxi Corridor into large pastures that they could graze.

This idea of returning to their homeland again has brought many people's hearts to life.

However, they didn't expect that after a loud rumbling sound like thunder on the edge of the Liao River, Zhang Jiashi had the means to face these siege equipment.

......

Mo Shu stood up from the ground with the support of several Mo family disciples.

He didn't expect that these formulas given to him by Zhang Jiashi would have such great power.

If it weren't for a few shield bearers blocking in front of him, it is estimated that he would have to communicate with Mo Zhai about the degree of improvement of the Mo family's organ technology.

Of course, he would not complain about Zhang Jiashi, because he first violated Zhang Jiashi's order that he must be at a relatively safe distance during the test.

Feeling the explosion of almost a pound of black powder, Mo Shu, who almost didn't see Mo Zhai, was of course a little excited in his heart.

Of course, he hasn't forgotten one thing.

It's true that he's an inventor, but that doesn't mean he can't think about things.

That is, after standing up on the ground, he gestured with his eyes to Mo Hong and Mo Yan'er, who rushed to hear the sound.

Mo Hong nodded knowingly, and then floated away.

Subsequently, at the headquarters of this Liaodong military building, hundreds of quite loyal disciples of the Mo family, as well as members of the assassination organization who had been trained for a period of time, were quickly dispatched by Mo Hong to many places as sentinels.

The Mohist technique has always been quite mysterious, and it has a very strict way of secrecy.

The Mo warriors who are proficient in fighting skills and have good strength are a very critical part of it.

Just as Mo Shu was worried, during the night of the Liaodong army, several people absconded.

Mao You, a middle-aged disciple of the Mo family who was in charge of defending in one direction, and several young swordsmen from the Mo Sect, appeared from the hideout.

Mao You looked at the six people who came out, and said, "Over the years, there have been many people who want to defect to the Mo family. But it's the first time I've seen it run so openly. Senior brother, it's not that the senior brother said you, but that you did this, which really made the senior brother look away. Go back, and you'll still be alive. ”

"Senior Brother Mao, if you go with me, I promise to recommend you to Lord Fu Ling, with this thing, we will definitely be valued by Fu Ling. A middle-aged man who looked older than Mao You said a word to Mao You.

Mao You shook his head: "Senior brother, it's not that I am indifferent to fame and fortune, but that senior brother finds that this kind of life now makes senior brother more appropriate." General Zuo's support for our Mo family, of course, I also see it, otherwise the sect master and several elders would not be willing to accept the status quo. ”

"Senior Brother Mao, don't you know that the so-called General Zuo, a little ghost about twenty years old, is using us?"

"So what? Our Mo family's technology is valued, and our relatives are living a normal life, nothing is more important than this. Senior brother, senior brother said a word to you again, either you go back immediately, or you all die in this place. Mao You gently put his hand on the hilt of the sword, looking at his junior brother, the meaning between the movements was already very obvious.

This junior brother knows very well that although he is older than the other party, he is a half-way monk, and there is a considerable gap between him and the other party in terms of his own martial arts.

But he didn't sit still, but made eye contact with a few people behind him.

Several people quickly drew their swords and pounced on Mao You and the others.

It's just that they underestimated that as the chief disciple of the Momen generation, Mao You's strength was not in the mechanical arts, but just like Mo Hong, he concentrated on cultivating martial arts.

In terms of strength, it is also very difficult for Mo Hong to solve the hair loss in a short time. Under Mao You's full counterattack, Mo Hong knew that he would even have to make one or two hundred moves to find an opportunity to put down Mao You.

As one of the few top masters in the world, Mo Hong's comparison shows that Mao You's strength is quite strong.

And where can reflect the strength of Mao You?

Mao You said softly: "Don't make a move, let me deal with them." ”

"Yes! ”

Mao You slowly drew out his long sword, and in the hazy moonlight, a long sword shone with cold light, and then, a few young swordsmen of the Mo family who did not move, only saw a few figures, and after the swords intersected for a while, they fell to the ground one after another......

Mao You glanced at the wound that was scratched on his neck, and after whimpering for a while, he defected to his junior brother without a sound, and shook his head: "Since you have chosen this path, don't blame me for not worrying about the brotherhood of my junior brother." ”

Mao You slowly inserted the long sword back into the scabbard again, and then rushed back to the Liaodong military construction with a few young juniors.

......

Since it was produced from what Zhang Jiashi had explained, Mo Shu distributed it to many craftsmen and working people according to the exact proportion recorded.

The news that someone has defected, Mo Shu has already gotten it. Because of such a situation, in the task assignment, Mo Shu handed over the work of purchasing raw materials to Zhang Jiashi's personal guards.

And the two commanders of the personal guards who stayed in Dingxiang City, Chen Heng was sent out to take charge of such a thing.

Chen Heng took more than 50 personal guards and spent half a day scraping charcoal, saltpeter, sulfur, and some other raw materials as raw materials, a considerable amount of raw materials.

After being transported to the Liaodong military construction that had been secretly controlled by the Mo family warriors, these raw materials would naturally be distinguished.

The production link is led by the corresponding disciples of the Mo family, so that the craftsmen can produce in batches, and again the trustworthy people among the disciples of the Mo family will mix and grind.

Zhang Jiashi said one thing very clearly, that is, these things called gunpowder cannot touch the open flame.

Therefore, in the evening rush production, Mo Shu asked people to clean up a warehouse, and then take the warehouse as the center for processing.

The main reason for this is to avoid the torches stuck in the walls of the warehouse, which may touch the gunpowder.

......

The Donghu people and the Qin army under Zhang Jiashi were all seizing the time to deal with it.

However, this time God's luck was on Zhang Jiashi's side.

Because two days later, more than a dozen carriages, which were tightly guarded by hundreds of knights, carried what Zhang Jiashi needed.

Large bundles of linen, pottery, and ropes of various thicknesses stained with tung oil.

Even more important was the black powder placed in five wagons with bronze chests.

I have to say that if the Donghu people can complete what they need one day earlier, maybe the history of this world will be rewritten.

Some of the children of the Mo family who came with them were assigned to the city wall chief to carry out the modification of bed crossbows.

According to a bamboo slip sent by Mo Shu to Zhang Jiashi, Mo Shu did not approve of using trebuchets to use these gunpowders, because trebuchets were quite unreliable, and once a trebuchet was damaged due to a malfunction, it was not a good thing to throw gunpowder onto the city wall.

Zhang Jiashi thought for a while and decided to follow Mo Shu's suggestion.

...................................................... Dividing Line................................................

The next day, the day known as the "Great Wall Blood Day", in the early morning of June 26, 210 BC, the Qin army, who was in charge of vigilance, looked at the various siege equipment that appeared in the north and quickly rang the bell......

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