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Chapter 609: Twelve Miles Away

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    This thing, Qin Baoshan really can't figure it out, it must be a person with a real professional background.

    Whether it is a bullet or a shell, if you want to shoot it, you have to fire it. Ordinary bullets and shells are fired with a primer. The firing pin hits the primer to ignite the propellant, and this firing method has been around for a long time.  Even the flintlock guns in the early years were operated in this way.

    However, with the continuous advancement of technology, electric shocks have become more and more common.

    Compared with the firing pin method, the electric shock only needs one button, whether it is stepped on or pressed by hand, it greatly simplifies the operation steps.

    The electric shock in the initial period also used the method of firing with primer. Equip an electromagnet on the cannon, press the button, and the electromagnet will drive the firing pin to move. There is no difference in essence, but this method consumes a lot of power.  , will soon be eliminated.

    The real electric shock is done on the primer of the shell. The primer in the middle of the shell is insulated. There is an electrode there, and there is another electrode on the skin of the shell. When the two electrodes are energized, the firing can be completed.  up.

    As long as a few dry batteries are connected in series, it can be fired. At the same time, this method is quite fast and direct.

    Ordinary cannons have actually begun to use this method. In the barrel of the cannon, there are firing pins and electrodes. Electric shocks are used first.  Staying inside the tank, it is impossible to pull the gun rope to fire, so it is very common to use electric shocks to fire.

    As for rocket launchers, especially multiple rocket launchers, there is only one way to fire them by electric shock.

    It is not impossible to fire with a firing pin. However, when the multiple rocket launchers are fired, they are all fired sequentially.  The first row on the left above starts firing.

    Of course, there is no need to consider the problem of recoil when launching all together, but the tail flame it ejects will probably burn the entire launch device, so the second one must be fired after the first one flies out, which is more  Safety.

    At this time, it would be inconvenient to use a firing pin to fire. It is simply impossible to design a complex firing pin system that fires at intervals of one second in sequence. Only by using electric shocks can this problem be simply solved.

    Now, this Xiong Zheng is a top student of Tsinghua University, full of knowledge and talent.  Hearing Qin Baoshan talking about electric shocks, he immediately began to ponder: "Electric shocks require special gunpowder that is sensitive to current. I have studied some when I was in school, but to achieve good results,  There must be potassium chlorate in it, which is a special chemical raw material, and it is estimated that it will be bought in enemy-occupied areas.¡±

    If it is anything else, maybe it is really necessary to go to the enemy-occupied area again, but when he heard the name potassium chlorate, Zhang Daguang, who had been watching from the side, said: "Potassium chlorate, I dare not say too much, a few hundred catties should be able to  some."

    Originally, several tons were not a problem, but during this period of time, the batch of potassium chlorate has been used, so there should still be some leftovers.

    "That's right, send someone to ask for some back, monk" Qin Baoshan was about to ask the monk to bring someone there to ask for it, but he changed his words again: "Yang Song, take someone out."

    Wei Dayong and Liu Dabiao followed Qin Baoshan this time and stayed with the railway guerrillas for a month or two.  It is most appropriate for Yang Song to send someone out to find raw materials.

    Ten days passed quickly, Xiong Zheng's injuries slowly healed, the rockets were made, and Qin Baoshan's 107mm rocket launcher slowly took shape.

    In order to avoid waste, the gun mount and the wheels below, etc., are made of wood. At the same time, in order to avoid being burned by the flames of rockets, a layer of iron sheet is wrapped on the outside. On the gun mount, 13 launch tubes  Arranged in three rows, it looks like a tiger.

    "This cannon is powerful. It has 12 tubes." Leader Zhang ran over immediately when he heard the results here.  Greeting the little devils to a squadron, but the barrel of this gun is so short, the range is not far, right?"

    The launch tube is only 900mm, which is less than one meter. In the eyes of everyone, such a short barrel can't hit very far, and it will be against the sky if it reaches five miles.

    What can be compared now is the 92-type infantry artillery of the little devil. This kind of low infantry artillery has a maximum range of 2,700 meters, which is the level of five miles.This type of artillery, if it can hit five miles, it is really powerful enough.

    "Did you see the mountain over there?" Qin Baoshan pointed to the opposite side and asked Leader Zhang.

    "I see, the mountain over there is twelve miles away." Leader Zhang said, and after he finished speaking, he was taken aback again: "You didn't say you were going to fight there, did you?"

    "Twelve miles, my dear." The people on the side also sighed for a while: "Doesn't it mean that if we fight the devils in the future, we will run away after we finish beating them, and the devils won't even know where we launched the attack from?"

    "That's right, when we met the kid's Type 92 infantry artillery, can we still blow their infantry artillery away?"

    Everyone was excited.

    Qin Baoshan nodded there: "The maximum shooting range can only be known after a test shot. Our goal is to hit as far as 15 miles. Let's try to hit 12 miles first."

    The 107mm rocket launcher of the later generations has a maximum range of 8.5 kilometers, but it is a product of a regular military factory. Now this rocket launcher of Qin Baoshan is naturally unable to compare with the later generations, so it is reduced by two miles and hits ten.  Five miles is also quite good.

    Of course, if you hit less than fifteen miles, twelve miles is enough.

    After careful adjustment, according to Xiong Zheng's calculation, Qin Baoshan prefabricated the launch angle, and then, under the attention of everyone, pressed the switch.

    "Whoosh!"

    A fiery flame burst out from the tail of the launch tube, and the entire rear of the bazooka turned into a sea of ??flames. The white smoke expanded rapidly, which made people a little worried. Will this thing explode?  Is Qin Baoshan okay?

    Almost half of the people were observing the launch site, but Qin Baoshan and the others were staring at the flying rocket. Its tail trailed a trail of white smoke, which stretched forward rapidly, and then stretched again.  .

    Xiong Zheng had already begun to quickly calculate in his heart, and the trajectory he visually measured was basically consistent with what he had calculated.

    The rocket continued to fly forward, and then, with a bang, there was a loud noise, and black smoke rose and flames blazed from the hilltop 12 miles away.

    "It's a hit, it's a hit!" (Remember the website URL: www.hlnovel.com
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