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Chapter 320: An Emergency Anti-aircraft Machine Gun

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    In anti-Japanese TV dramas, it is often seen that the Eighth Route Army or other troops are bombed by the devil's planes, and then the bloodiness aroused made the machine gunners of the Eighth Route Army extremely angry, and resolutely raised their guns to fight back.

    Of course, this requires the cooperation of two people. The assistant in front is holding the bipod of the machine gun, and the machine gunner behind is aiming at the aircraft in the sky to shoot.

    However, the effect of doing so is not great, it is just a way of venting, and there is almost no possibility of success.

    Of course, drama is not counted, not to mention machine guns, throwing a grenade can blow up the plane, and even throwing a shovel, only unexpected, nothing impossible.

    It is quite difficult to actually attack an air target, because hitting an air target moves in a three-dimensional space.

    Firearms were originally designed to hit ground targets. In this way, the gunner can aim directly at the target. However, due to the gravitational force of the earth, the bullet flies in a parabola. In order to hit the target, the muzzle must be raised. Different  The distance and the height of the gun muzzle are different, which requires a binding gauge.

    The gauge of the rifle is used to do this. Raise the muzzle to hit the target at a predetermined distance. This correction is the high angle.  In actual combat, there is no time to adjust the scale back and forth, so it depends on the experience of the shooter. If you want to hit the stomach, then aim at the head.

    When shooting ground targets, it is enough to take this factor into account, but it is different when shooting aircraft in the sky.

    The target in the air is constantly moving, so if you shoot at the target's current position, no matter how many bullets are fired, by the time the bullet flies past, the plane will no longer be in that position and will definitely miss the target.

    Therefore, if you want to hit the target, you must not aim at the current position of the target, but at the future position of the target.  meet.

    Well, this requires knowing the speed and heading of the target to judge where the target is about to arrive.

    This alone is not enough, the gravitational force of the earth still exists, when the bullet flies up, it is an oblique throwing motion, so the trajectory of the bullet movement is even more of an arc. At the same time, because the target is moving, so,  The key factors such as the oblique distance from the machine gun and the height angle are constantly changing. Therefore, the shooting data bound by the gun body needs to be constantly adjusted and needs to be constantly corrected.

    Therefore, if you want to hit the target in the air, you need three sets of mechanisms to work together. It is necessary to give the barrel a high angle mechanism according to the distance of the target.  The mechanism that obtains the correct advance angle by observing the course and speed of the target.  And according to the high and low angle of the target, the mechanism of correcting the high angle.

    Therefore, it is definitely not that simple to fire into the sky and hit the enemy plane.

    In the past, Qin Baoshan had ambushed the devil's plane. At that time, he used a human metal storm, fired at the sky with a large number of automatic weapons, and then shot down the devil's plane, forming a dense firepower network, like a  Like a metal storm, the devil was caught.

    If so, it is estimated that it is somewhat similar to the Phalanx, but it uses people, a metal storm composed of a large number of people.

    However, that was in Qian Bojun's army, and the bullets of the Jinsui Army were used, and it didn't cost money anyway, but what about now?  Not now.

    The Eighth Route Army was originally short of bullets. In order to defend the military factory and shoot down the planes of the devils, it could use as many bullets as possible, but if possible, it is best to consume as few bullets as possible.

    A full man doesn't know a hungry man is hungry, how many troops are still called "three rounds and eight rounds", there are only four bullets in the gun, and after three rounds, you have to go up to fight the bayonet, and the last bullet is saved for last.

    Therefore, now we must hurry up and make a special anti-aircraft machine gun sight as soon as possible.

    In Qin Baoshan's previous life, he was an absolute fan of the army, and he also repaired and manufactured various firearms in the imperial cemetery. For the guerrillas, the biggest threat was the Hind helicopter, so they were also messing around.  Qin Baoshan also knew clearly about anti-aircraft machine guns and simple anti-aircraft machine gun sights.

    Now, according to the composition of the sights of the dshkm anti-aircraft machine gun, Qin Baoshan took a few of the most skilled masters, and quickly made several sets. It looks a bit likea spectacle frame placed diagonally?

    "Everyone is the most experienced machine gunner." Just after the first sight was assembled, there were already more than 20 machine gunners in front of Qin Baoshan. Qin Baoshan looked at everyone and began to quickly introduce  Get up: "Let me explain to you the usage of this anti-aircraft sight, you guys?? Use your brain more, it is best to be able to figure out why, but if you can¡¯t figure it out, let me know how to use it first!  "

    The tripod of the first model has also been assembled. The sub-machine gun is placed crookedly on it, and it looks pretty good. Below is the drum cylinder, which looks more powerful. On it, a  There are two rings, one big and one small, and some other devices, which look quite weird.

    Inside the small ring, there is also a model airplane!

    "This is mainly composed of three parts." Qin Baoshan said: "They are called the course indicator, the front sight, and the rear sight."

    The heading indicator is the slightly smaller ring on the side, and there is a small model airplane inside. Qin Baoshan turned the wheel under the heading indicator, and the small airplane model turned accordingly.

    "In short, before shooting, first make the direction of the small aircraft model consistent with the direction of the target aircraft, so as to determine the course of the target."

    ?After introducing this, I started to introduce the front sight again. This is a large ring with iron wires in the ring to divide the ring into three equal parts. There are aiming holes around one of the sides, which looks very weird.

    When Qin Baoshan turns the course indicator, the iron wire in the ring will also turn together. Qin Baoshan constantly introduces the essentials of the structure operation.

    The last is the rear sight, which is fixed on the side of the vertical frame and is a part with a small sight hole.

    "Because we have to deal with low-altitude targets, our sight has been simplified. It only gives the shooting advance angle, and there is no special distance setting mechanism and high angle correction mechanism. Therefore, our current sight is  Taking the height of 900 meters as the average value, it is like pulling the gauge to 150 when we shoot. When we shoot, we need to estimate by ourselves. According to the distance, heading and speed of the target aircraft, use  Here, the target hole of the rear sight aligns with the required aiming hole on the front sight and then aims at the target aircraft, thus giving the gun body the required advance angle.¡± (Remember the website website: www.hlnovel.com
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