Actually, when it comes to the manufacture of gun barrels, it is not complicated. - Nothing more than a piece of wrought iron is burned red, slowly beaten around a cold metal core, knocked into a cylindrical shape, and then 'pumped' out of the cold core. The wrought iron, which has been rolled into a cylindrical shape, is quenched and cold-cut, and the resulting round copper can be used as a barrel.

In order to prevent the barrel from deforming and leaking when it is heated and expanding, generally speaking, two layers of wrought iron will be rolled on the cold core, which is the famous Turkish double-layer casing, which has extremely high technical requirements for the blacksmith.

The key to this is to have good wrought iron, or good steel.

In the Far East, because the phosphorus and sulfur content of iron ore exceeds the standard, the steel smelted is prone to brittleness. Moreover, with the technical conditions of the ancient belt, the "wave" cost is extremely high when forging wrought iron.

According to the ancient books of the Ming Dynasty, it takes two catties of wrought iron to make a musket, and the pig iron cost to forge two catties of wrought iron also costs more than ten catties!

Therefore, the cost of muskets in the Ming Dynasty was extremely high. Later, the Ministry of Industry of the Ming Dynasty simply used the casting mold method to directly inject to deal with the past.

As a result, soldiers often blow up their chambers when they 'shoot'

。 Eventually, the musket became a mere ornament and a tool for suicide.

The iron-smelting technology of Yangzhou Town Ordnance Institute is very advanced, and the muskets produced are of reliable quality, and it is also the only unit in the Ming Dynasty army to be equipped with muskets on a large scale.

From this point of view, Sun Yuan is really not afraid of the Zheng family's imitation. As Wolf said, the key to the technology of the musket is actually in the smelting, in the quality system, rather than simply 'getting' an iron pipe and adding a flint to 'get' the past. Even if you fool the past, you can't stand the test of the battlefield.

Therefore, after Wolf said that he had produced all the muskets needed by the army in the past few years, Sun Yuan was pleasantly surprised and did not feel extraordinary. As soon as the iron and steel smelting technology was passed, the production of ordnance was nothing more than a matter of course.

Industrial mass production is the key to the victory or defeat of a war in any era, such as the American Civil War, the reason why the North was able to defeat the South was because the factories at that time were in the North.

The Ningxiang army wants to be fully equipped with Mini guns, unless there is a complete industrial system. And Sun Yuan does not think that he can achieve this in his lifetime on his own. All he needs to do is to leave a spark for the world in his lifetime.

Thinking like this, Sun Yuan became open-minded.

Today, when I went to Xiting, it was not in vain.

Just as he was about to leave the Ordnance Bureau, Wolf stopped Sun Yuan: "There is something called rocket artillery in the drawings you talked about before, I thought it was interesting after reading it, so I 'got it' some, or you can try the cannon by the way, my lord." ”

"Bazooka, have I ever drawn this kind of thing/" Sun Yuan was a little confused, he was originally a liberal arts student, and mechanical drawing was not his major. It's just that later, when I was at the 'mixed' military history forum, I studied mechanical principles and mechanical drawing for a while.

Since the establishment of the Ordnance Institute, he has drawn a lot of weapon structure drawings that he had seen on the Internet with the help of his memory. The proportions are naturally uncertain, and many places are even very 'confused'. However, it is just to provide an idea for Wolf, and the specific places still need to be pondered by himself after the erhu comes down, and repeated experiments.

"I painted it, about three years ago." Wolf said: "A while ago, I suddenly figured out the key to this, so I did some. ”

Sun Yuan: "I really don't remember

。 ”

Wolf: "This rocket launcher is still the name you took personally, called Congreve rocket artillery. I don't understand a little, my lord is obviously from the East, how can he think of naming your new weapon after a European? ”

He repeated it twice, and Sun Yuancai patted his head: "I remember, Congreve rocket, what's the matter, it's done, take me to see it." ”

This weapon was invented by the Englishman Congreve and used during the Napoleonic Wars.

Like the Minnie gun, Sun Yuan did not change its original name, first, to facilitate memory, and secondly, to pay tribute to the science and technology of another time and space.

The artillery factory of the Ordnance Institute is located in the suburbs, and when he arrived at the test artillery site, he saw the rocket launchers sent by the craftsmen, and Sun Yuan liked it very much.

Wolf introduced next to him: "My lord, this kind of rocket is composed of two parts: a warhead and a balance bar, the warhead is one foot long, weighs three catties, and is one-tenth of a foot in diameter. The equalizer bar is five feet long. ”

As a European, Mr. Erhu has always had a headache about the conversion of European units of length and Ming Dynasty units of length, especially when explaining to people.

"How did you get this data?" Sun Yuan asked.

"Naturally, it is obtained from many experiments, and I will measure the results of each experiment, record them, and finally decide the length, diameter and weight of the rocket through data comparison." Wolf replied, "Only experimentation is the only way to solve the problem." ”

Sun Yuan: "Well, you continue." ”

Wolf: "The balance lever is the wooden stick that the rocket uses to keep its balance after it has been 'shot'. He pointed to the tail of the rocket: "Of course, the 'shooting' and 'medicine' are also contained in it." ”

"As for the weight of the warhead, I have experimented with it from five pounds to thirty pounds, and finally came to a result: the six and nine pound warheads have the longest range, the most stable trajectory, and the power is quite acceptable."

"As for the warhead, it can be loaded with two types: solid bullets, grenades and incendiary bombs."

"That's just a grenade, with a solid bullet, what effect can a six-pound iron head hit a person?" Sun Yuan was angry and funny.

"Your Excellency is right

。 Wolf also laughed: "The advantage of this rocket is that it does not need to use artillery to 'fire', the 'fire' rate will be much faster than that of artillery, and the manufacturing process is not more complicated than that of artillery shells." ”

After saying that, he slapped his face, and immediately two red 'hairy' devils came up carrying a wooden tripod. Two short and one long tripods propped up on the ground, a bit like a machine gun, but much longer than a machine gun.

The two devils loaded the rocket and used a little fire.

With a sharp "boom", the rocket rushed out, dragging a long smoke from its tail and flying in a parabolic arc towards a small hill in the distance.

A huge circle was drawn in white ash on the slope of the hill as a target, and the distance was seven hundred meters.

This sharp sound frightened Guan Tao and shrank his head.

"What is the 'shooting' range?" Sun Yuan asked urgently.

Wolff: "Up to 1,800 meters. ”

"Ah, so far!" Sun Yuan was taken aback: "Farther than a cannon." ”

Before the words fell, the rocket fell, and with a "boom", a small cloud of smoke rose up on the hillside.

The range was good, but unfortunately it didn't hit the target. Not only did it not hit, but it was ridiculously off. If you are not mistaken, you have deviated from the center of the gray circle at least thirty meters.

Guan Tao couldn't help but shouted: "What kind of rocket artillery, it's purely a monkey!" ”

Sun Yuan couldn't help laughing, and said to Wolf: "Erhu, you really can't do this thing." In my opinion, it's good to put a few shots on the holiday, but you can't go to war. ”

Guan Tao also laughed violently: "Haha, Erhu, I said, you have been tinkering with this thing for so long." In my opinion, it is better to find a gunsmith who makes a 'flower' cannon than you can 'get' it. People's rockets are loud, and when they explode, they can also blow up chrysanthemum 'flowers' and plum 'flowers', and their colors are also gorgeous. If you encounter a good technique, you may be able to 'get' the word 'Fu' or 'Shou' when it explodes. ”

Sun Yuan laughed even louder: "Yes, yes, yes, that's the case, let's just ask a gunsmith to come back and 'get', and as soon as it explodes, a few words will be blown out immediately, 'I wish Erhu good health' haha!" ”

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