The most famous crossbow is the Zhuge repeater, but because the crossbow arrow has no arrow feathers, it not only requires high accuracy for the production of crossbow arrows, but also has a range that is not as far as the bow and arrow, and another big problem is accuracy.

The repeater made by Jiang Xingchen was born from the Zhuge repeater, but it was improved. First of all, the crossbow arm is designed to be folded in such a way that it can be folded. In addition, the way of pulling the string and loading the arrow has also been changed from the lifting of the rear of the crossbow machine to the side of the lever press.

In terms of accuracy, Jiang Xingchen has also been redesigned, the depth of the arrow groove on the crossbow machine, the position of the center of gravity of the crossbow arrow, and the shape of the tail...... After another experiment, the power and accuracy of the crossbow have been greatly improved, and he asked people to take out the piece of purple gold.

Using purple gold to make repeaters is not as simple as hardwood, Jiang Xingchen will definitely not be able to get it himself, and the corresponding mold must be made.

But fortunately, there are hardwood parts as standards, just invite a blacksmith to make them, and the smelting technology in this world is still very developed, and surgical needles can be made, and there should be no problem with these parts.

However, the truth was not as easy as Jiang Xingchen thought, and when the old blacksmith he invited saw Zijin, he shook his head again and again, saying that he couldn't do it.

"Lord Jiang, when I was an apprentice in the field when I was a child, I once saw a small piece of this thing, and nine out of ten blacksmith shops can't smelt it!" the old blacksmith's eyes were fascinated, and his face showed a look of memory.

"Why is this?" Jiang Xingchen frowned and asked puzzled.

"The melting point of purple gold is higher than that of iron, and the furnace of the blacksmith's shop cannot reach the firepower!" replied the old blacksmith.

"You say that nine out of ten blacksmith shops can't be smelted, which means that there are still ones that can!"

"Yes. However, they are all refining workshops within the big family, and they practice special exercises, which can greatly increase their firepower......"

"I'll go. There is still such a use for practicing martial arts!" Jiang Xingchen straightened his eyes, and his mind remembered the two shots in the movie God of Food, Stephen Zhou and Tang Niu who used internal strength to increase firepower.

The old blacksmith continued, "Speaking of which, thanks to your sir, you have invented the push-pull bellows, which has increased the firepower, and the cost of all the blacksmith shops has been reduced by a large ...... But even with a push-pull bellows. The firepower is also not up to the level of smelting purple gold, and the small piece of purple gold I saw at the beginning was refined by the refining workshop of the big family. That kind of flame ...... at that time"

Jiang Xingchen didn't hear the old blacksmith's words, and his mind was a little dazed, and only then did he realize a problem. There are no push-pull bellows. How they used to make iron and steel.

"What's that...... You wait first!" Jiang Xingchen stopped the old blacksmith and asked the doubts in his heart.

"Uh, don't you know, the blacksmith used to use dissolved iron stone! Add dissolved iron stone when making iron, the firepower will increase, and it will last for a long time, enough to melt iron ore......"

"Chemical reaction!" Jiang Xingchen immediately flashed this concept in his mind, just like sodium metal encountering water, releasing a large amount of heat. It is the same as producing hydrogen deflagration.

"The wisdom of man is true...... It's so infinite, and it's no wonder they don't use the bellows to push and pull it. The effect of this ore must have been discovered first, and it has been used ever since!" Jiang Xingchen sighed in his heart.

When he sighed, the old blacksmith also let out a sigh: "However, there are fewer and fewer veins of dissolved iron stone, and now the price is surprisingly expensive, and it is basically impossible to make money by using it to smelt iron ore...... If it weren't for Lord Jiang to come up with a push-pull bellows, most blacksmith shops would be unsustainable!"

Jiang Xingchen was stunned for a long time, nodded with a smile at the old blacksmith, then turned around and walked quietly outside, and then quickly ran out of the city and went far away, beating his chest and roaring loudly: "Pig~~~~ Such a big credit, why didn't you realize it at the time, you missed it in vain...... I don't understand, forget it, what about the emperor, what about the president of the Imperial Academy, what about the Marquis of Dingbei, don't you know the role of the Ludao push-pull bellows...... You're taking credit for me......"

"Huhu ......" Jiang Xingchen gasped and muttered: "What's the matter, it's right to have the marshal and Wang Shuangyang on the advertisement, otherwise I will suffer too much!"

And afterwards, when the marshal and Wang Shuangyang accidentally learned of Jiang Xingchen's thoughts at this time, they almost beat him out: "Nima, your credit is not deducted by us, you said that the emperor, Feng Xuanzhang, and Dingbei Marquis have a copper coin relationship with us!"

The old blacksmith was a little dazed in the room, and he didn't know why Lord Jiang left suddenly and threw himself here, which made him a little overwhelmed.

However, Jiang Xingchen didn't let him wait longer, and soon returned, still smiling and peaceful.

"Old man, you just said that even if the firepower generated by the push-pull bellows is not enough to smelt the purple gold!" Jiang Xingchen asked.

"Oh!" the old blacksmith came back to his senses and nodded, "Yes, I saw the ironworks of the big family at that time, and the temperature of the flame was higher than that of the push-pull bellows!"

Jiang Xingchen nodded silently, walked back and forth in the room twice with his hands behind his back, and then suddenly snapped his fingers and laughed.

"Old man, if I have a way to increase the firepower again, can the purple gold be smelted!" Jiang Xingchen asked.

The old blacksmith looked at Jiang Xingchen in surprise, a little incredulous that his firepower could be increased again. After a long time, he nodded and said, "It should be possible!"

"Okay, you stay here and help me get the molds of these parts ready first.......," Jiang Xingchen said, taking out the split repeater parts.

"Good fellow, that's complicated!" the old blacksmith sighed, staring at the parts for a long time.

"How about it, old man, can you make it?" Jiang Xingchen asked.

"Try it, don't worry, sir, I'll do my best!" the old blacksmith nodded.

Then the old blacksmith withdrew from the door, and went back to the house that had been arranged long ago, and went to study the parts.

Jiang Xingchen smiled and said, "This time, I have to take this credit...... Come on, immediately go and gather the craftsmen and choose a place with a strong flow in the upper reaches of the Houshan River......"

When the time came to September 8th, Jiang Xingchen disappeared in the past few days, and no one knew what he was doing, only that he had gone to the upper reaches of the Houshan River.

Mo Hongxian, Wanrou, Zhao Danqing, Sun Sanqiang and others complained more than once, Jiang Xingchen was simply the shopkeeper, and the Xinzhen Celebration was busy here, but he ignored it.

Especially Wanrou, the rehearsal of the new repertoire, as well as the rehearsal, all need Jiang Xingchen, but this kid is nowhere to be found, and all the arrangements and rehearsals are pressed on her.

"This little soul is faint, and I have become what he said now...... That's right, it's directed!" Wanrou scolded as she prepared for the stage.

It wasn't until the evening of September 8 that Mei'er, Yu Zhen, Song Ning and others arrived, and Jiang Xingchen reappeared.

After the birthday, Jiang Xingchen and Mei'er had already understood each other's intentions, and when they met again, although the two were still laughing as before, they both had a different feeling in their hearts.

Yu Zhen and Zhang Yingying kept staring at the reactions of the two, snickering from time to time, and secretly said in their hearts: "These two rookies!"

All the strangeness disappeared the moment she entered the Lord's Mansion, and Mei'er turned into the same little girl as before, just like when she bought a house in Hongyuan City for the first time, and looked at every corner of the Lord's Mansion with great interest.

There are five entrances before and after the large courtyard, and the first entrance is the front hall hall, which is used to entertain guests. The second entrance is for the people to live in, and the third entrance is the bedroom, the east and west wings. The fourth entrance is the kitchen, bathroom, and a place to store miscellaneous items. At the back of the street is a large garden with colorful flowers.

According to Jiang Xingchen's original wishes, he wanted to make a garden-style garden, and there should be rockery ponds, but thinking of the problem of water diversion and the construction period, he gave up for the time being. When the money in hand is enough to expand the territory again, build a large manor in the wetland hills according to the terrain.

"Brother, haven't you moved in yet, I see the villagers have already moved in?" asked Mei'er after looking at the Lord's Mansion.

"Hehe, I have other things to do, Qingshan Village is relatively quiet, so I didn't move here!" Jiang Xingchen replied.

"Hey, this stupid!" Yu Zhen and Zhang Yingying covered their faces at the same time, and scolded secretly in their hearts: "You said that you would die when Mei'er came back, just say that it is not okay to let her arrange everything at home......

However, thinking of this, the two women trembled at the same time: "Just now, I seemed to ...... I've scolded Lord Jiang!"

"Gollum!" swallowed a mouthful of saliva, and the two girls felt a cold sweat break out on their backs, but fortunately they didn't say it, otherwise they wouldn't want to enter Bauhinia.

Mei'er didn't pay attention to the changes in the two daughters at all, and said softly: "My brother hasn't been idle since his birthday!"

The voice was very soft, as if he was blaming, and he seemed to be distressed, as if his wife complained that her husband didn't know how to take care of his body, and Jiang Xingchen's heart was warm when he heard it.

Mo Hongxian behind them, Wanrou, and Sun Sanqiang gritted his teeth: "He's busy, he's busy, the whole shopkeeper, all the preparations are made by us!"

At this moment, Han Xiaowu ran in and told Jiang Xingchen that the people from the Tianxia Commercial Bank who had gone to the Southern Wilderness had come.

Jiang Xingchen laughed when he heard this, the people from the world's commercial houses came too timely. Needless to say, he must have brought back new tea, which he needs right now.

Hurriedly walked out of the city, and the man from the world's trading firm was looking left and right, looking at the buildings of the new town, and there was still a shocked expression in his eyes.

"Is this Nima a small town, it's not worse than a big city...... Moreover, Lord Jiang actually didn't build a city wall, and the town was completely open, so he wasn't afraid that someone would be unfavorable to the territory?"

He was thinking about this, when he saw Jiang Xingchen walking out, he hurriedly packed up his thoughts and greeted him: "Lord Jiang, this time I went to the Southern Wilderness and contacted four more tribes......

The new tea that was transported was another carload, and after Jiang Xingchen saw it, he muttered, "This is summer tea...... Whatever, the current tea has not been graded, as long as it has vitality!"

As he spoke, Jiang Xingchen waved his hand, and the carriage transporting tea drove to Qingshan Village......!