my scientific age

Chapter 255 Industrial Air Separation Equipment!
The letter did not mention the specific rifle model, but said that there was a lack of rifle drawings and mortar paper. Obviously, the situation was that the brigade commander, or the Red Army behind the Military Industry Bureau, had not yet decided which rifle to choose and which model to imitate. What caliber mortar.

As a scientist employed by the organization, Yu Hua suggested that he should launch a formal rifle and a 60mm mortar.

Yes, in the official rifle!

There is no fancy M-1 Garand semi-automatic rifle, and there is no lofty AK-47 automatic rifle. Among the famous guns of World War II, the seemingly unremarkable mid-formal rifle is a good match for the Eighth Route Army at this stage.

There are three reasons for choosing the official rifle. First, it has excellent performance. Second, it is consistent with the 7.92mm Hanyang caliber being used by the Eighth Route Army.

As the first standard rifle in modern China, the Chinese official rifle is undoubtedly excellent in overall performance. It uses a 7.92×57 mm full-power pointed bullet with an initial velocity of 810 meters per second and an effective range of about 1000 meters.

In terms of range, the 460-type rifle with an effective range of about [-] meters is not as good as it.

In terms of power, as long as you compare it with your toes, you can see the difference between the 7.92×57mm full-power pointed bullet and the 6.5×50mm full-power pointed bullet.

In terms of accuracy, Japanese rifles are known for their high accuracy, and the formal theory of master Mauser has higher accuracy. You know, back to 30 years ago, most of the rifles in the world have to be called Mauser series.

The three core indicators of Zhongguang are first-class, and more importantly, the bullets used by itself are the same as those of Hanyang, Czech machine guns and Maxim heavy machine guns. This is very important. Common bullets mean less logistical pressure.

In addition, this gun is also integrated with a general design concept, and some parts of the gun can be directly used interchangeably. The internal structure is simple and the process requirements are not high.

Compared with the 7.62mm big eight-grain Garand and Shui Lianzhu, or the most legendary 98K, the official reputation is not as good as the other, but the performance is definitely not bad.

For the base areas with a lot of equipment made in Hanyang and extremely scarce material and financial resources, Zhongguang is a perfect match.

"Zhongguang may not be the best, but it is the most suitable." Yu Hua took out a drawing, picked up a pencil, and quickly sketched a conceptual sketch of the Zhongguang rifle.

Often times, the best may not be right for you.

The disadvantage of the M1 Garand is that the structure is complex, the cost is high, and the cost of use is high.

Shui Lianzhu is a classic good gun, but the 7.62mm caliber is very embarrassing for the base that uses Hanyang as the main rifle. Because it is not common with the main rifle, there is no performance generation difference between Jiazhong Official and Shui Lianzhu. The performance advantage of Shui Lianzhu is simply not enough to overwhelm the cheap and affordable medium, making it the objective first choice.

The production of weapons is by no means something that can be decided by slapping one's head. It must be weighed and considered. Zhongguang has the same caliber as Hanyang's bullets, and the performance is first-class. From the perspective of general weapons and cost, there is no need to imitate the 7.62mm water beads. .

The disadvantage of the famous gun Mauser 98K is the cost, because in a sense, the Zhongguang is actually an alternative 98K. The two rifles have noble and elegant German blood, and the manufacturing cost of a genuine 98K can almost make 2 in the formal.

Is this business worth it?

Of course not.

And the famous AK-47, this world-class gun is suitable for all current industrial countries, but not for the base.

The base area with almost zero industrial technology can neither be built nor used.

Yu Hua does not have a systematic father to help himself solve problems such as raw materials, equipment, technology and bullet yield rate without worry, nor does he have any god-level tools that can be bought and sold in a single hammer, so he has set up a production line with an annual output of 1 million rounds of bullets and a production line of 100 million rifles.

Everything has to be based on reality.

The reality now is that the base area has no money, no technology, no equipment, and there are people but very poor.

The AK-47 is very good, but not suitable.

It is worth mentioning that although the calibers of the Chinese-made, Hanyang-made and Czech-made are common, the Chinese-made and the Czech-made 7.92mm round-nose bullets can be fired, and the Hanyang-made can not launch the 7.92mm pointed bullets.

Soon, Yu Hua drew a sketch concept map of the official rifle. If his suggestion was taken based on the base, then this excellent rifle, which has been processed by German machine tools and processed by vertical deep hole drilling machines to ensure the quality, will replace the outdated Hanyang-made rifle. , become the new generation of main firearms of the Eighth Route Army.

In terms of mortars, 60mm mortars are most suitable for the Eighth Route Army in light combat, with high mobility, easy to carry, stable and reliable launch, and TNT high explosives endow the shells with high lethality.

Most importantly, the cost is low and the manufacturing difficulty is low.

It is officially in the middle, 60 pressures, this is the target of Yu Hua's original plan, 12.7mm large-caliber machine gun and 105 heavy grenade, there is no need to disclose it to the brigade commander for the time being, it is not yet time.

The model can be determined first, and it involves the actual gun-making process. Just wait for the German-made machine tools on the sea to arrive at the shore.

Drawing the concept sketch of the 60mm mortar again, Yu Hua opened the drawer, took out a piece of letter paper, and began to write a reply.

To Chen:

Hua has received...

He wrote thousands of words, and elaborated on the feasible suggestions and solutions for five technical problems. After writing, Yu Hua put it in an envelope, and then attached the small coke oven and coking technical materials, medium formal and 60 forced sketches that he had developed. Concept map, get up and go downstairs to the west gate of the school.

The five major technical problems cannot be solved overnight.

The campus was as quiet as it used to be. Yu Hua walked across the campus, went out from the gate of the west campus, turned right, came to stand under the seventh big banyan tree, and waited quietly at the scheduled connection point.

This time we will meet at the seventh big banyan tree, next time we will meet at No.11 big banyan tree, and next time we will meet at No.13 big banyan tree.

Each scheduled meeting place is increased by a prime number to improve safety as much as possible, which is what Yu Hua requires.

After 3 minutes, a familiar figure arrived as promised, and it was Yang Xiu.

"Mr. Yu Hua." Yang Xiu's words were respectful, but there was a hint of surprise and surprise in his eyes. He didn't expect Yu Hua to appear so quickly.

Yu Hua nodded with a smile, handed the envelope he was carrying to Yang Xiu, and instructed, "Here is what Mr. Chen needs, including a coking technical document, the model of the rifle and the model of the mortar, and give it to Mr. Chen as soon as possible."

"Yes." Yang Xiu was very surprised when he heard the words. He didn't ask, and quickly took the envelope.

"By the way, do you know Luo Peng?" Yu Hua continued to ask.

Yang Xiu immediately responded: "I know, I asked him to hand over the letter to you."

"That's good, I'll go first. If I have something to look for, I'll use this method." After confirming Luo Peng's identity, Yu Hua let go of his vigilance, smiled, left a sentence, and turned to leave.

Although Luo Peng claimed to be a student of the underground party of Tsinghua University, and the identity logic made perfect sense, it did not mean that Yu Hua would trust him 100%.

Some things are best to verify.

It has nothing to do with trust, because your own safety is above everything else.

Watching Yu Hua enter through the school gate, Yang Xiu carefully observed both sides of the street to confirm that no one was secretly monitoring or following Yu Hua, and then he left quietly.

Back in the nuclear physics laboratory, Yu Hua went upstairs directly to deal with the final content of the oxygen lance development work, and strive to get it done within today, and then enter the research stage of industrial-grade air separation equipment.

If the research and development difficulty of oxygen lances is about 10, the research and development difficulty of industrial-grade air separation equipment is 30, which is exactly three times. For this era, industrial-grade air separation equipment used in steel smelting is properly ranked as a cutting-edge machine. level, has an irreplaceable role.

(End of this chapter)