It has been a few days since Yuegang returned to Fuzhou, and Geng Jingzhong has returned to his previous busyness.

Although there are many things to be busy, the most important thing for Geng Jingzhong is the production of firearms. As I went around, I couldn't help but turn to the workshop.

Since Hu Jicai and other highly skilled craftsmen joined, Geng Jingzhong's firearms workshop has also ushered in rapid development. After Geng Jingzhong formulated a detailed system of rewards and punishments for craftsmen, and all the shotguns provided by Hu Jicai were all qualified, and the muzzle custom size was all standardized.

Now he has the latest batch of shotguns in his hand. The barrel is silvery-white, and the quality of the gun has been greatly improved just by looking at the appearance. The excellent shotgun also made him feel at ease to hold up the gun body, three points and one line, wrong no crosshairs, two points and one line, carefully aim, "Smack!" With a sound, a test shot was fired, and it was successfully hit at a distance of 50 meters! Then he continued to reload his ammunition and fired again, and he successfully hit the target several times in a row. The shotgun's hit rate has really improved.

However, despite this, Geng Jingzhong found that the shooting and reloading speed of this shotgun was still too slow. He had already reloaded as fast as he could in the first few test shots, and it took nearly two minutes to shoot a shot on average, and it was estimated that other musketeers would not shoot much faster.

The shooting steps of this shotgun are fixed to pour medicine, charge, pressurize, load, load and charge the fire rope and other steps, skilled musketeers are generally two minutes a shot, just take the most powerful one in the army is only five minutes three shots.

Although there is no way to make a flintlock firebolt by yourself right now, for the time being, you can think of a way to reload the bird's gun.

Since the Ming Dynasty, the musketeers in the army have detailed regulations on ammunition loading, for example, now their own firearms battalion stipulates that each musketeer carries forty bamboo pipes filled with gunpowder on his back, and a bag must be tied to it, and forty lead pieces are also placed in the bag. Take it out and pour it in.

As far as the shotgun at this time is concerned, there are other ways to increase the rate of fire. Geng Jingzhong thought of ordering gunpowder.

Although Geng Jingzhong himself is just an ordinary chemistry teacher, so many years of life experience in modern society are not given in vain. I remember seeing it when I watched "Pirates of the Caribbean" before, where gunpowder was used when using spears. At this time, the musketeers only relied on their own experience to stuff gunpowder into the chambers of their guns during the war, but due to the different personal preferences of the soldiers, the amount of gunpowder poured each time was also different, and the situation on the battlefield was extremely dangerous, Geng Jingzhong did not think that his soldiers had such a strong heart that they could withstand the bows and arrows of the Tartars without panicking.

And once the soldier starts to panic, the whole action will be completely deformed, and it will be good to be able to shoot one shot in five minutes. Therefore, Geng Jingzhong thought of ordering gunpowder.

The so-called custom-packed gunpowder is actually not complicated. That is, the amount of gunpowder and projectiles is wrapped in a long paper tube in advance, and when loading, bite open the paper tube with your mouth, pour some gunpowder into the fire door first, and the rest of the gunpowder and projectiles are all stuffed into the gun.

This not only ensures the power of each shot, but also greatly reduces the number of gunpowder reloading steps. This allows the average musketeer to reach a rate of one shot a minute, and a skilled bird gunner can shoot twice a minute without much of a problem.

Just do it, Geng Jingzhong immediately recruited the master craftsman Hu Jicai and told him his own method.

When Hu Jicai heard this, he danced excitedly and said: "The prince is really a pedantic man, no one has ever thought of such an easy method in a hundred years, which can greatly improve the shooting speed of the gunslingers." Rest assured, I will arrange for someone to make zuò by hand to ensure that the dosage of each customized paper tube is the same. ”

Soon, Hu Jicai made more than a dozen samples of fixed-loading cartridge ammunition and went to the shooting range for test firing.

I saw him take out a fixed paper tube from the bag, bite open one end of the cartridge with his teeth, and pour out some gunpowder into the fire door. Close the fire door, then stuff the gunpowder and projectiles in the paper tube into the gun tube, poke it with a stick, and the fire rope has already been loaded, and you are ready to shoot!

Sure enough, he was a veteran who had played with guns all his life, and he only heard the sound of "pop, pop" sounding one after another, and the interval was long at first, and then he fought faster and faster, until more than a dozen ammunition were finished. According to his estimates, the musketeers should be able to fire about two shots per minute when they become proficient, and even in exceptional circumstances, one shot per minute is guaranteed.

The soldiers who were still training at the range were all stunned, they had never seen anyone shoot a shotgun so fast. At the same time, everyone hoped that Hu Jicai could give them the method.

These soldiers were all veterans of a hundred battles who followed the Geng family from Liaodong, and they knew very well how many lives this humble little invention could save on the cruel battlefield.

Although the range and power of the shotgun have not changed, with the rate of fire at this time, the power is not inferior to that of the bow and arrow, which makes the surrounding musketeers very happy. Because with such bullets it is possible to significantly increase their status in the army.

Geng Jingzhong immediately made a decision: "Before you and Nan Huairen and a few missionaries have developed a better musket, all the soldiers in the firearms battalion have switched to this fixed-loading ammunition training, and everyone must be proficient." ”

"By the way, after watching it for so long, why don't you see a few missionaries, didn't I ask them to come over and help you improve your muskets together?"

"Shizi, they are all in the innermost workshop, and they have been studying the barrel of the gun, thinking about how to increase the range of the musket. Shall I take you to see it? Hu Jicai saw that Shizi seemed to be a little unhappy, so he immediately said.

"Okay, let's go and see, I don't know how it's going."

When he came to the workshop, Geng Jingzhong couldn't help but wave his hand in front of his nose, what kind of smell is this, the smell of gunpowder? Smell of sweat? Rusty smell? Or is it something else mixed with flavors? All in all, it smells bad! On a long table next to it were piles of all kinds of gun barrels, thick, thin, long, and short, and it seemed that these missionaries were quite dedicated.

"What's going on with these barrels, are they doing it?" Geng Jingzhong pointed to the barrel of the gun on the table and asked Hu Jicai.

"Yes, Shizi, they have used thousands of catties of good iron in the past half a month, and these barrels are either of substandard quality or do not meet the range requirements. These are all scrap metal on the table and have to be re-smelted! What a waste! Hu Jicai was very distressed when he looked at these original good irons, and couldn't help complaining!

"This is quite a waste, but this is inevitable, how can you usher in success without experiencing hundreds of thousands of failures! This bit of silver can be afforded by the son of this world! Take a look inside. ”

Nan Huairen is discussing the issue of the barrel at the moment, but it is not the size of the barrel, but how to make the barrel to make the barrel last longer!

Listening to the discussion of several people, Geng Jingzhong understood the point of their argument. Originally, in the current production of muskets, the barrel is mostly rolled, as if a piece of paper was rolled into a paper tube. Some craftsmen use a well-made iron rod to drill a barrel out of it. Both methods have their advantages and disadvantages; The iron sheet rolled barrel is convenient and fast, but the service life is short, and the safety performance is not high. However, the barrel made of iron rod drilling is of good quality and high safety, but the production speed is too slow. At this moment, there are no modern machines such as drilling machines, the manual efficiency is too low, and the scrap rate is also high.

Geng Jingzhong saw that several people were still discussing seriously, so he walked over directly and said to them loudly: "There is no need to argue with the gentlemen, what you said makes sense, I decided to use the rolled barrel, but all the barrels are made of fine iron, so the number of uses of the barrel has greatly increased." ”

"I've seen His Royal Highness the Prince!" Several people bowed and saluted. Nan Huairen stepped forward and said: "Since His Royal Highness the Prince has decided, it will be easy to do, we have already studied the best size of the barrel, as long as it is produced!" ”

"Oh, really? Show me! ”

A missionary next to him handed him a newly-made shotgun, the barrel of which was noticeably thicker and longer than the previous one. Well, it's a lot heavier too! Originally, the shotguns of the firearms battalion were produced in different workshops, and the caliber was slightly different, about 8 to 10 millimeters, and the length was generally 1.3 meters. The caliber of the one in my hand is a little larger than the original, about 13 millimeters, and the length is one more than one meter, one meter and five or six.

"Your Royal Highness the Prince, this shotgun is newly made, and after the actual yàn, its effective range is about thirty meters farther than before, and its power has also increased a little." A missionary from France on the side continued: "The weight of the whole shotgun has increased by more than a kilogram compared to before, but a few of us don't know how to make a zuò flintlock device, otherwise this arquebus will be more powerful if we change it to a flintlock pistol!" ”

"Well, you've done a good job, you can study the flintlock device slowly, I've sent someone to Europe with those missionaries, and they'll bring back these techniques. Let's just wait a few months. Geng Jingzhong looked at the shotgun in his hand and was quite satisfied: "By the way, why is there no rifling in this barrel?" ”

"By the way, why isn't there rifling in this barrel?"

Hearing this question, Nan Huairen and several other missionaries looked at each other, how easy was it to carve spiral lines into the barrel of the gun? If you want to draw a line in the barrel, the technical difficulty of that is not ordinary! With the current tools, they really can't think of any way to get rifling in the barrel.

"I have an idea, I don't know if it's feasible, you guys help me with the staff! Master Hu brought me white paper and ink pens, and a ruler! ”

Hu Jicai quickly brought the pen and paper, and Geng Jingzhong lay on the table and drawn: "Look, if this is not tissue paper but a piece of steel, what will happen after it is rolled up?" ”

This time, several missionaries were really surprised, and the prince in front of them was really knowledgeable! "I understand, Your Royal Highness the Prince, you are really a genius, so that the rifling will be easy to make, allow us to do it a few times, and I promise to give you the finished product soon!" After learning a new technique, several missionaries were very happy and quickly made a package ticket!

Their barrels are all rolled, so this method is very useful. If the barrel was made by drilling holes in one piece, then in this era, there was really no suitable tool to reach into the barrel and create the rifling that met the requirements.

Seriously, the rifling is not too complicated. The thread rifling may seem complicated, but the craftsmen have gotten into a dead end, and now he has pierced this layer of window paper, and it is indeed very simple to do. Throughout the ages, craftsmen have been thinking about how to carve rifling in the barrel, the barrel is so thin, do you want to carve the rifling in it? Dead brain cells, the craftsmen didn't come up with it. In fact, as long as this method is used, the skilled craftsmen have a variety of ways to pull out the thread rifling. The easiest way is to use the broaching machine in the woodworking workshop to pull it out directly!

Next to him, Hu Jicai and several other old craftsmen who were supervisors in the capital watched Geng Jingzhong only make a few straight lines diagonally on the white paper, and then rolled it up into a paper cylinder and a magical spiral appeared, which was simply amazing! Praise Geng Jingzhong is a literary song, it is difficult to find in the sky and difficult to find on the ground. Amazed! However, it is the fastest and most efficient way to form threads.

Several missionaries also stopped discussing it, and directly asked the craftsmen in the workshop to find all the tools and start to make the yàn zuò. Leaving Geng Jingzhong alone.

As a professional, several people immediately thought of using a broaching machine to depict rifling. If you want to do a good job, you must first sharpen your tools, because it is a gun barrel, this carving knife must be a high-quality steel, and at this time, someone has already made a carving knife.

Now the Yiqiē here didn't seem to have anything to do with him, so he took Ah Hu and a few people out of the workshop. Although the principle has been told to the craftsmen, knowing the principle does not mean that it can be made. After all, the tools available in this era and the skill level of the craftsmen were very limited. To roll the rifled steel sheet into the barrel of a gun, it is estimated that it is enough for the missionaries to practice yàn for a while.

Walking out of the workshop, Geng Jingzhong was relaxed at this time, hope was in front of him, and his chances of success were one point greater.

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