Bright Sword: Starting from the Improved Grenade

"how's it going?"

On the side of the arsenal close to Taihang Mountain, Zhao Tianyang watched Li Yuncai and a few others playing in the mud enthusiastically.

"It's the factory director."

Li Yuncai looked up at Zhao Tianyang and said with a little excitement: "It will be ready soon. Just install the vents and dry it in the shade for two days before it can be used."

Looking at the iron smelting furnace in front of him, which was similar to the one commonly used by blacksmiths in TV dramas, Zhao Tianyang nodded. Although it could not smelt iron ore, it was more than enough to smelt some finished iron products.

Soon, after Li Yuncai pasted the last piece of mud with straw on the iron furnace, a simple iron smelting furnace was successfully built. The appearance of this iron smelting furnace marked the Eighth Route Army's rise from zero to one. From then on...

"Ahem" We have gone off topic. Zhao Tianyang picked up the axe beside him and led Li Yuncai and others up the mountain in a heroic and high-spirited manner.

If you have an iron smelting furnace, you also need carbon. Otherwise, with the temperature of the wood, it will take a long time to melt the steel.

"Hey hey hey, try harder."

As the horns continued to ring out, a towering tree fell down.

"Oh my god, I'm so tired."

Zhao Tianyang was lying next to a big tree. He was careless and didn't expect that chopping down a tree was more tiring than chopping branches.

"Hey, Director, you've worked hard. Just take a rest and leave the rest to us."

Li Yuncai walked up and said with a smile.

Now he really admires Zhao Tianyang. He is not afraid of hardship at all, and he doesn't have the pampered look of a college student.

"Okay, I'll take a break. You guys know how to make charcoal, right?"

Zhao Tianyang wiped the sweat from his head and asked.

"It's simple. Just light the fire and wait."

Li Yuncai patted his chest, full of confidence.

"What?"

Zhao Tianyang was dumbfounded.

It’s not that Li Yuncai’s method is not good, but that is not the method used by ordinary people.

They have few people and little demand. They can save some carbon by burning firewood and cooking. But they are different. They want quantity and large quantities.

"Forget it, you lead them to decompose the big tree first, and I will teach you the rest."

Zhao Tianyang waved his hand and began to recall how to make charcoal.

Two hours later, after Li Yuncai and his team had worked hard to break a towering tree into pieces, Zhao Tianyang stood up.

"Is it okay?"

"no problem."

Li Yuncai wiped the sweat off his forehead and answered without hesitation.

"How about we take a break?"

Li Yuncai had revolutionary enthusiasm and was willing to fight to the death as long as he was not killed. However, the masters who had just joined the team could not stand it and were too tired to stand up one by one.

"Then take a break for an hour."

Li Yuncai looked at the masters beside him and said something tentatively.

"it is good."

"agree."

"Just do what you want."

Before Zhao Tianyang could say anything, the masters immediately shouted impatiently.

An hour later, everyone who had rested got up again and started to burn charcoal according to the method taught by Zhao Tianyang.

First, a huge shallow pit was dug on the spot, then the wood was stacked in order, followed by covering it with soil, and finally leaving five vents, and then fire could be lit to burn charcoal.

"Leave a few men to look after it, and the others take the remaining wood back to make grenade handles."

Looking at the earthen kiln from which thick smoke was gradually rising, Zhao Tianyang gave instructions to Li Yuncai.

"Okay, I'll let Brother Wang and his apprentice stay."

Li Yun nodded, Wang Ming was a bricklayer, which was a suitable profession for him.

"Okay, Brother Wang, pay attention to the five vents. If the wood in a vent is burning, you should block that vent. Once all five vents are blocked, you can wait with peace of mind.

When the kiln cools down, come back and tell us, and I will have dinner brought up to you."

Zhao Tianyang explained to Wang Ming.

"no problem."

Wang Ming was quite happy to stay and look after the kiln. After all, he had learned a skill, and after the victory of the Anti-Japanese War, maybe he could open a charcoal factory.

As soon as he returned to the arsenal, Zhao Tianyang began to arrange for everyone to help make grenade handles.

Time flies when people are busy, and in the blink of an eye it was time to open the kiln. Looking at the shiny charcoal in the kiln, Zhao Tianyang waved his hand happily.

"Take them all, let's go back to the arsenal and make grenades."

..............

"The rest is up to you, Master Qian."

Next to the iron smelting furnace, after everyone put down the charcoal, Zhao Tianyang looked at one of the blacksmiths and said.

"Just watch, Director."

Master Qian quickly began to arrange several apprentices and start the furnace to smelt iron.

"Yo, I'm busy."

At this time, Li Yunlong, who had not been seen for a few days, came over with a smile with his bodyguard Hu Zi.

"It's Lao Li."

Zhao Tianyang looked at the pistol on Li Yunlong's waist, which had turned into a brand new mirrored case, and couldn't help but jokingly said, "Why, you've made a fortune after not seeing you for a few days?"

"Hey, what kind of fortune did I make? I just led some people to ambush a Japanese transport team."

As he spoke, he took a bulging cloth bag from Hu Zi and put it in Zhao Tianyang's hand: "You have worked hard these past few days. Take this and replenish yourself."

"Sugar."

Zhao Tianyang opened the cloth bag and took a look at it in confusion, and immediately became happy.

"Hey, how about that?"

Li Yunlong raised his head proudly. It was not easy to get sugar these days.

"nice one."

Zhao Tianyang praised without hesitation. With white sugar, he could experiment with black powder with white sugar added to see what the difference was between black powder with and without white sugar.

"This is what you are doing?"

At this time, Li Yunlong also noticed the iron smelting furnace that was emitting billowing heat waves.

"Make grenades."

Zhao Tianyang gave the sugar to Li Yuncai and asked him to keep it well.

"Hand grenade! Okay, then I have to join in the fun."

Li Yunlong said excitedly.

Soon, under the expectant gaze of everyone, red molten iron flowed out.

Because the molten iron is made from collected scrap iron, there is no need for other processes and it can be used directly.

Zhao Tianyang carefully used a special spoon to pour the molten iron into a special clay mold.

Soon the molten iron cooled down, and several grenade shells appeared in front of everyone.

"This... why is it different from the grenades we usually see?"

Li Yunlong looked at the grenade shell, which was similar in shape to a pebble, and asked in confusion.

"I made some improvements. Because of the power of our black powder, I changed the bullet body from the common cylindrical shape to an oval shape, so that the amount of powder can be reduced."

"Get smaller?"

Li Yunlong was a little anxious. The black powder grenade was originally less powerful, and now the amount of powder had become smaller, so wouldn't its power be even smaller?

"Haha, don't worry."

Zhao Tianyang first comforted Li Yunlong, and then explained: "Although the charge amount has become smaller, we can add a compaction process, which can not only increase the explosive power, but also add the maximum amount of black powder."

"Oh, that's good, that's good."

After a moment, Zhao Tianyang put down the spoon: "Okay, now it's time to assemble it."

First, black powder was filled into the grenade shell, then it was pressed tightly, and finally the fuse and grenade handle were installed. Soon, a homemade grenade appeared in front of everyone.

"Let's go and try it out to see how powerful it is."

Li Yunlong was quick-eyed and quick-handed. He picked up the grenade immediately and urged impatiently.

"Why are you in such a hurry? You need to prepare more. Otherwise, how can you conduct a controlled experiment?"

Zhao Tianyang was still calmly assembling the grenade.

"Okay, it's up to you."

Li Yunlong reluctantly put down the grenade.