Super Chief

Chapter 93: Cast barrel

   Shi Xiong likes to watch Ferguson, this arrogant little fresh meat, show such entanglement.

   Compared to the painful entanglement that caused this guy, Shi Xiong didn't care much about whether he called himself "brother" or "boss."

   can make this arrogant guy so entangled, it shows that he is tempted, really tempted, otherwise this guy will definitely behave like in Xiaoyanshan just now, turning his head and leaving.

   It is so rude to refuse things that people are not interested in.

   Xiaoyanshan is not far from the tribe, and Lieutenant Ferguson returned to the tribe while entangled all the way. But this guy still didn't seem to make up his mind to call "Boss", so he just followed Shi Xiong silently.

   Ishikuma really wanted to poke this guy's thinking. This guy can develop a Ferguson rifle that is at least 30 years ahead of this era in the next ten years, which is enough to show his talent in firearms.

   In fact, Lieutenant Ferguson, who has served in Flanders and Germany, has seen rifles from many countries. It is for this reason that he can concentrate the advantages of rifles in various countries and finally created the Ferguson rifle.

Although that rifle was eventually not promoted for this and other reasons, it is undeniable that the breech flintlock created by this guy is definitely a gun that is always worth remembering in the history of human firearms, because it is a human being. For the first time in history, after-loading guns were used.

   Back to the tribe, Kuai Ma, hard bones and rabbit mouths all surrounded, Shi Xiong asked the rabbit mouth to call the wood planer, and he was going to try to cast a barrel for the first gun in his life today.

To be honest, Shi Xiong has never touched a firearm in his previous life or in this life. Even though he was very interested in firearms in his previous life, as a law-abiding honest person, he can only look at the high-definition on the computer screen every day. Firearms wallpaper drooling.

   If I met Ferguson, Stone Bear would never touch a gun. Compared with the work of steelmaking and salt making, casting gun barrels can only be a dream for Shixiong.

  The barrel is not ordinary. No matter in any era, the steel and technology used in the barrel are the most cutting-edge things. In future generations, despite the fact that there are so many kinds of firearms, in fact, few countries can master the technology of gun barrel manufacturing.

   This thing is not like steel making or salt making. If steel making is not good, the big deal is to make a furnace of molten iron into pig iron, just like the last time Ishikuma made steel. The salt is not well prepared, and the salt produced cannot be eaten.

   But the barrel of this gun is different. Once this thing is made, it must be installed on the gun. If the quality of the barrel is not good enough, once it is filled with gunpowder to fire a projectile, it can be fatal.

   So before Lieutenant Ferguson arrived, even if Shi Xiong really wanted to try to make a gun by himself, he never took action.

   Now that Lieutenant Ferguson is here, with this guy who has a deep knowledge of firearms, Shi Xiong dares to make guns by himself. Whether the made barrel will work, no need to use human life to try. With his eyes and hands, Lieutenant Ferguson can definitely judge the quality of the barrel. This guy has such an ability!

Not to mention that the barrels of later generations are made of various special alloy steels, but in this era, when steel can only be made from graphite crucibles, the barrels used by armies of all countries are still It is cast from wrought iron or even pig iron.

   Yes, in this era, rifle barrels in many European countries are made by casting. In the past, a blacksmith used wrought iron to heat the barrel while forging it with a hammer while rolling it up to form a barrel. However, this method was too inefficient, so later casting methods gradually replaced this manual method.

Although casting barrels is absolutely impractical in later generations, in this era when guns were loaded with guns before, because the interval between every two guns was very long, and most of them used sub-caliber ammunition, plus this era. The propellant of the gunpowder is black powder, and the explosive power is far lower than that of smokeless powder. Therefore, even if the barrels of this era are exploded, there are not many.

   Cast barrel is enough.

   If smokeless gunpowder appears in this era, and then you use this barrel made of wrought iron or pig iron, then ten guns will definitely explode ten times!

   Ishikuma intends to use medium carbon steel to cast his barrel for the first time.

  Thanks to the batch of medium carbon steel that was fried in a kaolin clay crucible for the first time, Ishikuma and Muko are now very sure about making a pot of medium carbon steel.

   Although medium carbon steel is not the best material for casting gun barrels, it is many times stronger than wrought iron or even pig iron!

   Like those special steels used to make gun barrels in later generations, even the most common 40CR steel, Shixiong is still unable to come out anyway.

   Not to mention the quenching process, Ishikuma has no idea. Although he knew there were water quenching, oil quenching, low temperature tempering, medium temperature tempering, and high temperature tempering, he really didn't understand how to do it.

   There are also techniques like those used when making barrels, whether it is drilling or precision cold forging~www.wuxiaspot.com~ Now Ishikuma can't get it.

   So, let's honestly use the method of casting to make the first barrel of your life.

   "What is this? Can steel be made with this?"

   "Oh Maiga, doesn't this kind of clay pot burn?"

   "Christ that Jesus, I am not mistaken, why don't you use sand to make molds? Can this clay withstand the high temperature of molten iron?"

  ......

Lieutenant Ferguson, who had been standing aside watching the stone bears and their busy schedule, finally couldn't hold back anymore, and began to transform into a curious baby. His mouth became a Gatling machine gun, and one question after another kept coming from his mouth. Pop out.

   At first Shixiong explained it, but then he didn't bother to explain it. If you explain everything to this guy, then you don't need to do anything today.

   Before starting a fire, the mold needs to be made. In order to make the inside and outside of the barrel smoother and minimize the presence of sand holes, Ishikuma and the wood planer carefully prepared a kaolin clay mold.

  The melting point of kaolin is close to 1,800 Baidu, and the temperature of molten steel cannot destroy the kaolin mold. In addition, kaolin is much more delicate than sand, so the roughness of the barrel produced in this way is far lower than that of the barrel cast by sand mold.

   This mold is more difficult to make. A few people are busy working together until noon to fix it. In order to prevent the chamber from exploding, Shixiong deliberately thickened this part of the gunpowder chamber when making the mold, so that after the barrel is cast, the part of the gunpowder chamber will be thicker than other parts.

   After all, most of the blasting occurred in the gunpowder chamber, and that part was the place where the gun was subjected to the greatest force.

  The mold is made, and the next step is steelmaking...

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