Anti-Japanese War: My understanding is incredible, I built the Sixth Military Factory

At present, the Red Front has not been reorganized by the Fruit Party, and the weapons and ammunition it uses are divided into several areas.

First, the first source is Soviet support.

In October 1924, during the period of cooperation between the Kuomintang and the Communist Party, the former Mao Xiong Guo assisted the Whampoa Military Academy with a small number of artillery, light and heavy machine guns, and 8,000 rifles.

In December, nine more aircraft, 12 machine guns, 58 artillery pieces and 5 million shells and ammunition were transported.

After the first cooperation broke down, some of the weapons were brought over by many soldiers from the Whampoa Military Academy who had joined the revolutionary ranks.

In 1931, Sorge of the Far Eastern Intelligence Group of the Comintern purchased 20,000 Mauser M1898 rifles, horse pistols and thousands of boxes of ammunition.

Taking advantage of his status as a German, he sent these weapons to the Red Front after several twists and turns.

The second part is the uprisings held in various places, where officers and soldiers revolt together with weapons.

Secondly, the largest source of weapons is combat capture.

Since the establishment of the Red Front, the reactionaries of the fruit party have launched encirclement and suppression in various base areas.

The heroic units of the Red Front crushed the enemy's military operations, and after the victory in the battle, a large amount of weapons and equipment were captured.

Other sources are underground purchases.

In order to improve their equipment, Red Front troops also relied on underground channels to buy weapons from local warlords or arms dealers.

However, due to the enemy blockade, prices are generally high.

Ruchuan made 25 silver yuan for the 79 rifle, and about 80 silver yuan for the barge gun imported by the German Empire at that time.

Domestic imitations are 3, 40 silver balls each.

The Barge Guns purchased by the Red Front amounted to 120 silver rounds.

Later, the strategy was changed, and the Red Front bought second-hand guns from the deserters of the fruit party, and the price was even 3 or 4 silver yuan a piece.

There is also the reloading of guns and ammunition at the repair house in the Soviet district, and the local method on horseback to make grenades, guns, etc.

It was also a source of weapons, repairing many of the damaged firearms that were captured.

It was in this context that the central leadership, realizing the importance of weapons and ammunition, reopened the arsenal.

The Soviet AK47 automatic rifle is very strong in all aspects.

But for Zhang Wanjun and others, ammunition supply is also a huge problem.

The smile on Zhang Wanjun's face gradually faded: "Indeed, we are currently using the black powder filling method..."

"This production speed is too slow!"

"With the ammunition swallowed volume of the Soviet-style AK47 automatic rifle, logistics supply is a huge pressure!"

"Comrade Su Jie, we must solve this problem as soon as possible!"

Indeed, the process of making bullets in the eighth way is relatively backward, and it basically relies on bullet casings for secondary filling of black powder.

One is slow speed, and the other is poor accuracy!

It must be improved.

Su Jie came to the bullet manufacturing area and picked up a secondary refilled bullet to examine it carefully.

[You carefully examined the bullet, and you realized the bullet making method and the ratio of smokeless gunpowder. 】

For a moment, all kinds of knowledge about black powder and smokeless gunpowder appeared in Su Jie's mind.

The gunpowder used in firecrackers and fireworks is actually what we often call black powder.

Black powder has insufficient combustion, too much residue, especially the burning rate (not the explosion speed) is too fast, which can easily lead to explosion.

This is followed by a shorter range, insufficient long-range energy, and finally reduced lethality.

The rapid burning of the propellant can cause the gunpowder gas to fill the shell instantaneously, resulting in the warhead not yet fully stressed.

The shell case will explode directly, and in serious cases, it will even explode.

It is also because the burning rate of black powder is too high, and too much gas is generated in a short time, resulting in excessive chamber pressure in the chamber instantaneously, and it is easy to explode the chamber accident.

Therefore, the chamber walls of early front-loading guns were very thick.

On the one hand, it is related to metal materials and processing technology.

On the other hand, it is because black powder is a bit fierce as a propellant.

Su Jie took the bullet and said: "Since this is the case, then leave this problem to me!" "

Subsequently, Su Jie began to dispense smokeless gunpowder.

Smokeless gunpowder can be divided into (single-base, double-base, tri-base).

Its main component is nitrocellulose, which is an organic compound.

There are different requirements for different firearms.

For example, pistols mostly use porous quick-fire single-base drugs.

The rifle is a monoporous granule monobase drug with glossed and passivated surface.

The bullet primer is composed of a fire hole, an anvil and a firing agent.

Its function is to generate a flame when fired, quickly and reliably igniting the propellant.

When fired, the ignition agent is ignited by the impact of the firing pin and the fire anvil, and the flame ignites the propellant through the fire hole.

Under Su Jie's operation, a brand new bullet appeared in Zhang Wanjun's hand.

"Go, go try the bullets..."

Later, Zhang Wanjun walked to the testing ground with a bullet and a brand new Soviet-style AK47 automatic rifle.

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