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So Huangshi can only choose to make his own guns, making a small number of modern firearms is not difficult, if you have materials and tools, and then go to the Internet to search for manufacturing tutorials, according to the map, maybe you can really assemble a few guns that can be used.

For example, there are often reports on the Internet news that another case of gun making and selling guns was cracked in a certain place, and these people bought some gun-making machines, such as table turns, grinding wheels, motors, etc., and hid them in some hidden places, and then bought some gun drawings on the Internet, and bought barrels and bullets from the black market, and then used one or two months to make one or two guns.

But this kind of small handicraft workshop is not what Huangshi wants, these are said to be making guns, but in fact, it is better to assemble guns. Because the core barrels and bullets are bought from the black market, being able to buy them does not mean that they can be bought in large quantities, and only a small number of high-priced, non-standardized guns make no sense to him.

So for Yellowstone, there are two problems to be overcome in making modern firearms: one is the barrel and the other is the bullet.

However, because the barrel has to withstand a lot of force and temperature, the bullet will burst and bored if it hits too much, so the general steel pipe is definitely not good, it should have high strength, thermal stability and high wear resistance alloy steel, which is generally a seamless steel pipe made by the arsenal with special steel.

Moreover, the processing technology of the barrel is also very complex and strict, generally speaking, the forming of the barrel is machined, cutting and forging, and some are processed by electrolysis or even laser. In China, rolled steel bars are generally used, and one end of the chamber is first forged rough, and then processed by a machine tool after aging treatment.

The rifling of the barrel is generally cut or ground into shape on a forming machine, which is more complex and precise. The advanced process is the use of electrolytic corrosion processing, which is less process, high processing precision, and the surface after processing is smooth.

After the barrel is processed and formed, it must be assembled with the front sight, air hoop and other parts, and it must also be processed with low temperature and aging. The most recent surface treatment is oxidized to boiled black or enamel, phosphating, plating, spraying, etc., to increase the corrosion resistance of the barrel.

After these steps are completed, there is also a strict testing process to ensure the quality of the barrel. The manufacture of bullets is even more complicated, it is basically composed of four parts, warhead, cartridge case, gunpowder, primer, primer is generally called a detonator.

The warhead is composed of three parts: armor, lead sleeve, and bullet center, and its materials are mainly lead and steel. It can be said that the body of the projectile is either a general warhead made of solid lead, or an armor-piercing bullet with a steel core inside, or even a tracer bullet or incendiary bullet containing an incendiary agent, and they are usually completely covered by a metal layer on the outside.

The cartridge case is used to connect the warhead, to place the primer, and to contain and protect the propellant, and most importantly it should be made thick and strong enough to withstand greater pressure. The material of the bullet case is generally made of brass alloy or steel alloy, and European and American countries are mainly made of brass, while countries such as China and Russia are mainly made of steel shells.

Steel shell bullets are generally divided into painted steel and copper-clad steel, and painted steel is made into a shell case and then covered with a paint film on the surface to protect the shell from rust. Copper-clad steel is made of a very thin copper plate pressed on both sides of the steel plate to recreate the shell, but both methods are to prevent rust and save copper.

As for gunpowder, it is the source of energy to propel the warhead in the bullet, before the end of the nineteenth century, the bullet charge used black gunpowder, and only after this did smokeless gunpowder appear, the name of smokeless gunpowder is relative to black gunpowder, because the smoke produced by the combustion of smokeless gunpowder is much less than the large amount of white smoke produced by black gunpowder, hence the name, it is not really completely smokeless.

The invention of smokeless gunpowder, which is basically made up of nitroglycerin and cotton fibers, is basically a fast-burning propellant rather than an explosive. Its properties are more stable than black powder, and the thrust is much greater than that of black powder of the same weight, so the weight of the bullet can be reduced, and the performance can be enhanced.

The most reluctant part of the bullet is the primer, which is an initiating element developed from the impact detonator in the 19th century, which basically contains a highly flammable primer. When the firing pin or hammer strikes its thin metal case with sufficient force, the friction inside the primer causes spontaneous ignition, which then ignites the charge inside the cartridge case through an opening in the bottom of the cartridge case.

Although there were needle and convex detonators before the invention of primer detonators in history, this primer type is still the most common form. Its advantage is that it uses the center of the cartridge case as the ignition point, and the charge burns relatively evenly.

Moreover, the primer and the cartridge case can be designed as separate elements, and do not have to be a whole, and the cartridge shell can be used again and again, just like the extreme lack of weapons in the base area of the Eighth Route Army in those years, and the ammunition could not be replenished, so they could only fill the old cartridge with black powder and add the warhead to become a reloading bullet for the front-line killing.

The above information is all Huang Shi did on the Internet after moving the gun-making mind, because he understood, so he extinguished his idea of opening a modern arsenal in ancient times, and none of the barrels and bullets he could solve.

……

Therefore, Huangshi set his sights on modern firearms, modern firearms are nothing more than arquebuses, flintlock pistols, and fire cap guns.

In the usual time-traveling novel routines, most of the time-travelers first let their blacksmiths build arquebuses, usually the assembly lines they invent will greatly improve their management and quality, and then the protagonists began to throw out incentives of hundreds of taels of silver for them to develop flintlock pistols, after the invention of guns, there is no suspense in their ancient crushing journey.

So he skipped the arquebus and prepared to develop a flintlock pistol, because the arquebus had too many shortcomings, especially in the extreme environment of the battlefield, which would be more deadly. So he took a late Ming Dynasty novel and asked Shi Wenbo for advice, asking what kind of flintlock pistol was easy to develop, after all, Lao Shi said that he opened a shooting range, and he usually boasted that he was clear about firearms.

At that time, Shi Wenbo took the novel handed over by Huang Shi, and he didn't care about it at the beginning, so he flipped through it casually, but he didn't expect to be attracted by the vivid description of the little characters in the book, he read it for a long time, and then remembered that Huang Shi had been hanging aside by himself for a long time, so he said.

"Why doesn't the protagonist develop a musket gun, which can fire 99% of the time, and the difficulty of making it is lower than that of a flintlock pistol, and the rate of fire is faster than that of a flintlock pistol. The key to the fire cap gun is the fire cap, and its production is not difficult, the protagonist can not use thunder mercury to start the fire, but as long as the saltpeter and realgar are crushed, mixed with high wine and iron powder into a colloidal ball, loaded into the copper fire cap, and the surface is dotted with a layer of lacquer after drying. ”

"Musket gun?!" Huangshi really knew the Tao for the first time at that time, but he also thought that the fire cap was the primer, the primer of the modern copper-shelled bullet.

Shi Wenbo didn't know that Huangshi wanted to be crooked, so he continued, "Yes, the fire cap made by this process I just said has been used in the firing of shotguns and earthen guns for a long time in our people, and the effect is very good. ”

"Oh, maybe the protagonist doesn't know this." Huang Shi wanted to use the experience of the director of the office of the protagonist in the book, and he would definitely not know these professional knowledge.

"Actually, realgar and saltpeter are extremely sensitive when mixed, and the phenomenon that they will explode after impact has been discovered very early in our ancient times, and the age will not be more than the appearance of gunpowder. Ge Hong mentioned in his book "Hug Puzi" that realgar and saltpeter should not meet, and they will explode when they meet. ”

Shi Wenbo paused for a moment and continued, "And the method of using a mixture of realgar and saltpeter with bait to make earth bombs, using them to hunt fierce beasts, appeared as early as the Song and Song dynasties. So the conditions at that time were not difficult to make a fire cap, but there was a problem that I didn't think of! ”

"Oh, that's right." What Shi Wenbo said made Huang Shi write down a few key words, such as thunder mercury, fire cap, etc., he turned around and ran to ask Liu Haiyang after he went back, Liu Haiyang may not know much about military science and technology, but he is a chemical engineering major in engineering university, which is a real professional.

"What, Lao Huang, you want to make thundermercury again?" Liu Haiyang is full of black lines, Lao Huang is he going to change his career to be a terrorist or something, why have he been studying these things recently, and he only helped him make a few boxes of Molotov cocktails a while ago, and I don't know where he put them.

"Well, Ocean, is this the method I just said going to work? Can you give me a try? ”

He had the heart to refuse, but in the face of Huang Shi's red olive branch, he had no choice but to say, "I don't know the way, I just feel that this method is more mysterious, anyway, I haven't heard that this method has been used in history." ”

"Oh." However, Huang Shi thought to himself that it might be just like Shi Wenbo said, maybe because no one thought of it.

"yes, and to be honest, there's nothing difficult about thunder mercury."

"Then tell me about it." Huang Shi looked at Liu Haiyang and wanted to hear what he had to say.

"If you make a small amount, the relevant raw materials and equipment can be bought on Taobao, and Alibaba's is cheaper."

As soon as Huang Shi heard the words "a small amount of production", he thought to himself that this is what you have to say, if I only need a small amount of production, it will be like engaging in guns, maybe you can get it through An Haonan, so why do you need to go to such great lengths like this.