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Chapter 116 Gunpowder delivery problem

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    (ps: Nearly 8,000 words of chapters are updated and ask for a monthly ticket. The monthly ticket can't even enter a hundred, and the pure wolf is about to cry.)

    The early stage of Miqing's artillery technology mainly benefited from the outstanding contribution of Kong Youde, the traitor father of Kong Sizhen. At that time, Kong Youde launched the Wuqiao Mutiny and sent troops to disturb Denglai.  Surrendering Jiannu not only brought a large number of sea ships to Jiannu, but also brought more important Hongyi cannons and skilled artillery, as well as cannon casting technology and Portuguese technicians, which made Jiannu artillery technology advance by leaps and bounds.  The incoming funds and raw materials quickly armed an artillery army that was quite powerful at the time.

    ?With this credit, Kong Youde was crowned king, but the Ming army lost its final technological advantage, and Jiannu also solved the difficult problem that had plagued him for many years in one fell swoop.  As a result, in the late period of the Liaodong War, only Wu Sangui's tribe in the Ming army had the last dozen or so Hongyi cannons, but the number of Jiannu heavy cannons exceeded 100, completely reversing the disadvantage of firearms.

    According to the original historical development, during Wu Sangui's rebellion against the Qing Dynasty, Wu Sangui's army, which had already exhausted its Hongyi cannons, could only use the ultra-primitive artillery left by Mu Wangfu and cast during the Hongwu period to fight.  It's even more outrageous. When I arrived at my grandma's house, I aimed at the target and shot it out. It was absolutely no problem for the shell to deviate half a mile.  It is precisely because of this that Wu Sangui's army was helpless in the battle against the Qing Dynasty, and the Qing army was able to defend important cities such as Yuezhou, Wuchang, Anqing, and Xi'an until Wu Sangui died of illness.

    Contrary to Wu Sangui's army, during the San Francisco War, the Mite Qing army always had an absolute advantage in artillery. Xiaomazi's Western teacher Nan Huairen even forged at least 566 cannons for the Mite Qing.  , to help the Qing army massacre the Han army, including fifty-three Hongyi cannons, a total of 132 wooden shell iron-core cannons and copper Hongyi cannons that are useful for plateau warfare, and 240 Shenwei general cannons  , Eighty cannons of General Shengong, and sixty-one cannons of General Wucheng Yonggu.

    In addition, Dai Zi, a firearms genius, also invented and cast a batch of primitive howitzers (General Weiyuan Cannon) for Xiao Mazi, helping the Qing army to take advantage of the artillery in the battle of defending the city and attacking fortified battles.  Historically, after Wu Sangui died of illness, Wu Guogui, who was elected by Wu Sangui's generals as the generalissimo of the whole army, was killed by this kind of artillery in the Guiyang War.

    However, after Fatty Lu came to this era, will history still develop in this direction?

    of course not!  Because of his familiarity with history, Nan Huairen, the foreign devil who cast the most cannons for Xiao Mazi, died tragically at the hands of Fatty Lu's lackeys, and went to the underworld to cast cannons for the Yezhupi family.  After Fatty Lu returned to Yunnan, after more than a year of technical accumulation and preliminary preparations, Wu Sangui's cannon-casting work has finally entered the final stage, and more advanced and more brutal artillery than these artillery will soon come out!

    The cannon-casting process in the Ming and Qing dynasties was a very backward clay model method, that is, water and mud were used to make molds, and then molten iron was poured to cast, layers of bamboo shoots were combined, and cannons were cast section by section.  Clay molds have extremely high requirements for drying. Otherwise, once there is residual moisture inside, steam will be generated when it encounters molten iron, causing air bubbles and honeycombs to appear in the gun body, which is very easy to explode the chamber. Therefore, molds often need to be dried for a month.  In the weather, it will take two or three months to dry before it can be used.  What's more troublesome is that a set of molds can only be used once, and it will be scrapped when it is used up. It is conceivable that the casting speed and efficiency are so low.

    As a latecomer, of course Fatty Lu looked down on such a primitive casting process, but adopted a relatively advanced iron mold casting method, that is, casting a mold with pig iron, and then casting it into a hollow inside, with pipes at both ends that can be inserted into the mold.  The inner mold made of water is made of iron, and then two layers of slurry are coated on the inside of the outer mold. The first layer of slurry is made of fine rice husk ash and fine sand; the second layer of slurry is made of fine kiln coal.  made of water.  Then, the two petals are joined together, tightened with iron hoops, heated, step by step, and finally molten metal is cast into a cannon.

    The biggest advantage of this cannon casting method is that the size is uniform, the mold can be used repeatedly without drying for a long time, the efficiency of the cannon casting is naturally greatly improved, and there will be no bubble honeycomb, which can prolong the life of the cannon barrel and reduce the scrap rate, which is most beneficial  Mass casting.

    As an improvement, in addition to using lime, calcium carbide, soda ash and fluorite to desulfurize the pig iron and increase the life of the gun body, Fatty Lu, who was born as a senior student in the Department of Chemical Engineering, also adopted the internal mold water cooling method invented during the American Civil War.  During the process, cold water is constantly poured into the hollow inner mold with the tube, so that the inner layer of the gun barrel is cooled first. Under the thermal expansion and contraction, the iron density is concentrated to the inner layer of the gun barrel, and the inner layer is naturally harder than the outer layer.  The huge chamber pressure can also be distributed in the hardest inner layer of the gun barrel, which can maximize the life of the gun, and at the same time can further reduce the scrap rate and reduce the cost of casting the gun.

    On July 16th, the first Sanhao brand muzzle-loading smoothbore gun came out, and after careful boring and rough grinding,He stretched out his hand and shook it in front of Fatty Lu, for fear that his most proud subordinate would be stupid like this.

    "I understand! I know what to do!" Fatty Lu roared suddenly, overturned the wine table, rushed forward and hugged Wu Yingqi, and laughed loudly: "Second prince, I know what to do  , I know how to make the best firearms! Second Prince, thank you, if you hadn't reminded me, I would have almost forgotten these weapons!"

    "You, what kind of firearm are you going to make?" Wu Yingqi asked struggling.

    "I want to build a cluster rocket launcher! Build a cluster rocket launcher like a swarm of bees and a dragon out of water!" Fatty Lu roared: "With the current technology, it is absolutely no problem to make a super cheap primitive rocket! I want to use rockets, use primitive  Missile, throw explosives on the wild boar! I also want to build an airship, so that our Pingxi Palace soldiers can fly to the sky, and throw explosives directly on the wild boar from the sky! Blow up those stupid wild boars!!  "(To be continued, if you want to know what will happen next, please log on to www.qidian.com, more chapters, support the author, support genuine reading!) (Remember the website URL: www.hlnovel.com
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