Chapter 33 Silver Dollar

After Zhang Wanhe said that, Wang Xuexin's hairy protuberance was really that real.

Many equipment of the Eighth Route Army cannot be developed or have quality problems. In fact, they are stuck in the "iron" raw material.

The most typical one is the leg grenade. In Li Yunlong's words, "Our leg grenade explodes in two. That thing is a total waste of time on the battlefield!".

That's right. In fact, it's better to blow it in half once. Some leg grenades explode and leave a small gap, just like a broken can.

During the battle, I would sometimes throw a leg grenade at the enemy's feet, and with a "boom" I would see the enemy being blown up in the smoke. However, other than coughing a few times and having his face blackened, nothing serious happened to the enemy.

But since the Eighth Route Army really had no equipment, the troops had to use leg grenades.

As Li Yunlong said: "A plaster that can remove pus is better than nothing."

The reason is actually that the quality of the iron is too poor to be further processed...it will break into pieces as soon as it is processed, and I can't do anything with it.

Can you use the "red heart toughening technology" to improve the quality of iron? Does that mean that leg grenades can be hit in the grooves and the quality can be improved to a higher level?

In addition, can mines also be upgraded to a higher level?

In addition, there are many bullet casings, so there is no need to pick them up on the battlefield and then "reload" them?

Later, Wang Xuexin found out whether the first two were feasible. There were higher requirements for the quality of the bullet casing and the iron, so the red heart toughening technology was beyond its capabilities.

The imitation of grenade launchers can be said to be the top priority of the arsenal at present, and even Zhang Wanhe does not dare to neglect it in the slightest.

Several directors, including Zhang Wanhe, have basically put their affairs aside and prioritized artillery and artillery shells.

The step of sand casting is faster.

In fact, if you go to the formal production steps, you need to be cautious, because the size of the cannonball can be wrong with the caliber of the artillery. Otherwise, if it is too big, it will not seal well, and if it is too small, the sealing will not be good and the range will be affected.

The main purpose of Bu Nao at this time was to verify whether "toughening" was feasible, so there was no inquiry in that aspect for the time being. He simply designed something and then assembled more than fifty shell casings in the second branch factory.

Then the cannon shells were arranged one by one outside the square furnace, covered with fine sand, and when they were ready to be ignited, they encountered a problem.

"How do we know when the furnace temperature reaches 950 degrees?" Wu Jin asked: "Can you try it with your legs to see if the temperature is 900 degrees or 1000 degrees?"

"Observe the color of the fire." Zhang Ruozhong, director of the Second Branch Factory, has some experience in this field. He replied: "The color combined with the brightness can roughly determine the fire temperature. You must have experienced masters, and the Second Branch Factory has several.

"

"What are you doing in a daze?" Zhang Wanhe said, "Go and call in those old masters."

Zhang Ruozhong responded and arranged for someone to call.

Su Xin had doubts about this: "Director, no, he doesn't believe those old masters. There must be errors in judging fire. The same fire is different for every master, not to mention there are only a few masters..."

"That's easy!" Zhang Wanhe said anxiously: "Let the master bring a few apprentices. In addition, get a small notebook and write down the brightness, color changes, etc., one by one. Who wants to leave a leg?

Zhang Wanhe is not done with him!"

No wonder Zhang Wanhe said that, many of the older generation of blacksmiths are passed down from generation to generation and rely on experience, which is more of a folk craft than an industrial technology.

But the younger generation of technicians, especially Su Xin, have a different way of thinking.

They asked for instruments, accuracy, and data... But they didn't rely on the master's thigh: "He has walked on more bridges than I have walked, and he has eaten more salt than we eat.

You are right to listen to him!".

While everyone was hesitating, Wang Xuexin solved the problem with one sentence.

"Hey...he said." Wang Xuexin: "Comrade Su Xin was very worried about the melting point just now. Why don't we just find something with a melting point of 950 degrees and put it in it?"

"You're right!" Hardware shook his fist heavily: "Put things with a melting point of about 950 degrees inside. If it melts, it means the temperature has reached. If it doesn't melt, it means it needs to be heated. What a good idea!"

"Why didn't we think of it?" Zhang Ruozhong looked at Wang Xuexin blankly, then turned his attention to Zhang Wanhe and asked: "Director, then... do we really want a master?"

"Please, why don't you ask for it?" Zhang Wanhe replied angrily: "Master, I ask for it, and I ask for Comrade Wang Xuexin's method."

Then Zhang Wanhe took advantage of Wang Xuexin to help the workers fill sand, pointed with his leg to the director of the Leg East Department, and criticized in a suppressed voice:

"Every one of us, ah! Where are the directors, the technicians, and the top students! Isn't it embarrassing?"

"A soldier from Northeast China can come up with a solution. But we can't do anything about it."

"Then the news has spread... Where can we put the dignity of our arsenal?"

"We won't do it at all then. Can we just let Xiao Dongbei come?"

Su Xin blinked at Wang Xuexin and wondered if that little Dongbei was really smart enough!

I asked you before if he had seen the Japs use that technique, so he knew a lot about it. But if there was a way to measure temperature using the melting point... it's not something ordinary people can think of!

At least her top student didn't expect it for a while.

Seeing Wang Xuexin come back, Zhang Wanhe hurriedly stopped his mouth, then cleared Dong's throat with an "uh-huh", and turned the volume back to normal as if nothing was wrong: "Well, um... the melting point of something is 950 degrees.

?”

Su Xin answered without thinking: "Silver, 961.78 degrees!"

Oh, it's all accurate to the decimal point.

Wang Xuexin felt a burst of admiration. He was worthy of being a talented student at Fudan University.

Later, Wang Xuexin found out that this was not Su Xin's specialty and one of the reasons why Zhang Wanhe asked Su Xin to manage the third factory.

Zhang Wanhe did not hesitate, and Ma Zaidong ordered: "Find a few silver coins and act quickly!"

Although the Eighth Route Army was poor, it still had a few silver coins.

After finding it, divide the silver coins into several small pieces and place them in different positions outside the furnace... This will ensure that the temperature at different positions outside the furnace is consistent.

Then the question is whether to heat it for a long time and be careful not to let the silver nugget melt.

It's easier said than done, but not easy at all.

Because the furnace was burning continuously during the moonlit night, it was necessary to always keep an eye on whether the silver coins outside the furnace were melted. If it accidentally melted, not only was it necessary to lower the temperature, but it was also necessary to add more silver coins in order to continue observing.

Zhang Wanhe joked that it was like Fu Tai was refining elixirs with Laojun.

Zhang Wanhe divided the legs into three batches and took turns taking care of them. Each batch had at least one master and one director.

The master is used to watch the fire, while the director is directly responsible for the fire and can mobilize enough people at any time for emergencies.

The extra director is responsible for the normal operation of the arsenal.

In fact, Zhang Wanhe basically didn't sleep during those days, and would walk around in the stove from time to time, rubbing his legs while walking.

Su Xin secretly told Wang Xuexin: "He has been coming to the arsenal for more than half a year, and he has never seen the factory director so nervous."

Let me give an explanation on the question of whether the silver dollar is an alloy. The melting point of the alloy is slightly lower than that of silver. In the article, the melting point is 950 degrees, while the melting point of silver is 961 degrees. If the melting point is slightly lower, it will not affect the temperature control. Also: the toughening of the red heart in the article,

All details of Black Heart Toughening come from the real process of the Eighth Route Army toughening red iron.
Chapter completed!