"Open the observation damper and use a long spoon to remove the metal liquid inside." Renault walked to the furnace and ordered, and a craftsman immediately started. When he opened the observation damper, he saw that there was really metal liquid in the crucible. According to the time, it was still early, so how could it turn into molten iron?

With countless questions in my mind, I used a long-handled iron spoon to get liquid out. Normally, it should be to remove the base fire, lift the entire crucible, pour the iron into the mold. Looking from the damper, the ore had just burned red, and it was still early to melt.

It took a quarter of an hour to rotate three craftsmen, and they were sweating all over, so they took out the small amount of metal liquid. The 300 kilograms of material was only two or three taels of metal liquid. If it weren't for too many impurities in the crucible, you should be extremely careful when taking it. Such a little metal liquid is not enough for a spoonful.

"Sir, do you want to be a model?"

"Well, just deal with it casually, there is too little solution, so I will refine it again after more." Looking at such a tiny bit of metal liquid, Renault was a little disappointed. In fact, he knew that the wealth had already given the content, one thousandth of a thousand pounds, and he could only take out one pound, and he could only refine these.

"Sir, can you continue to refine the materials in the furnace?" The craftsman was confused. He realized that what he wanted was not molten iron, but the metal liquid that he had just taken out. This was not difficult to refine, and it could be refined in more than an hour.

Renault looked at the red-burning ore and hesitated a little. Iron smelting was not his original intention, but half of it was refined, and the ore became redder and it was a pity to give up. You should know that burning charcoal is quite troublesome in this era. This furnace of ore consumes a lot of charcoal.

"Continue to practice." Thinking about it, I decided not to waste it too much. Why don't you create a better Chu Ji for Luo Yi?

Although Luo Yi's silver armor Chu Ji looks like a general's majestic, he has seen his halberd Renault. In Da Chu, he was crafted by fine craftsmanship. The halberd rod is made of cast iron and molds are cast into patterns. It is not only beautiful, but also has anti-slip functions. But cast iron is necessary to be thorough.

When not fighting, the soldiers under his command will be oiled to prevent rust. The material of the halberd head is much better. It should be made of folding method and repeated fighting, which is considered steel. Even so, after a battle, the soldiers must be polished well, otherwise they will become dull. What kind of trick do you think is this?

You should know that Luo Yi is not only the General of the Central Army, but his father is General Zuo, and his family is a businessman, and he is a wealthy family. The Chu Ji was built according to the military standard and paid for it. He couldn't even see the real Chu Ji.

No wonder the Dingxi Army Craftsman Camp had to build arms day and night. With this level of weapon, it would be destroyed by itself after being released for a long time. If you go to the battlefield, you will not be able to use it for a few times.

Think about it again, bamboo armor is all standard armor, no wonder. With the toughness and sharpness of this weapon, it can really be blocked with bamboo armor.

"Sir, it's made, can you change it now?" Cui Qing ran over with excitement, and behind him, there were several craftsmen. These were gears and connecting rods made of small furnaces. The so-called small furnace is actually a blacksmith furnace, which is a must-have tool for blacksmiths.

"Is it easy to use?" Renault was really worried about the big Chu blacksmith. The technology here is quite extreme. The crucible is quite advanced. The furnace is also very good. How can the iron be refined? It is so slag?

"It's easy to use. I have created twenty-three groups, and this group is the best one." Cui Qingsuan said proudly. He was working hard enough for this pair of gears.

Looking at the gears again makes people even more worried. Although the gears are pure iron, they have even been forged several times, but the resistance is too great, so it will not last long.

This is the problem of materials. Dachu’s materials are not up to standard. Such a simple gear structure is heart-wrenching when used.

Patting Cui Qing's shoulder, Renault smiled and said, "You are good, remember it carefully, how should you solve this problem."

This question is really not difficult. Renault didn't tell him, but he just wanted to cultivate his ability to solve problems independently. Although he had never taught Cui Qing anything, as long as he kept exploring in practice, he would make rapid progress, which was much better than teaching him directly.

When he was in college, the most famous doctoral supervisor in his school was in this way. Renault was also fortunate to work on a topic with him, and he felt that he benefited a lot.

In fact, the methods are all written in books, it depends on whether you can find them out.

Cui Qing thought hard and tried many methods again, but they were useless. As long as the gears rotated, they could not bear any kind of rack as soon as they increased their speed.

At some point, there was a girl in the palace dress next to the gear. She was holding a piece of animal skin paper in her hand and staring at the gear.

This girl is Siwu next to Princess Ninth. Since she has been practicing martial arts since she was a child, she does not avoid foreign men. Only she can come out to find someone to do business.

She was sent by Princess Ninth. Princess Ninth never understood what the gears on the animal skin paper were for, so she ordered her to ask Renault for advice. When she saw the big and small gears, and then saw how they turned, even if Siwu had not read many books, she understood the use of gears. How could she have such an operation?

When you turn the big wheel, the small wheel will turn very quickly. When you look at the patterns on the animal skin paper, the fool will understand what this is for.

Renault looked at the fun. The people of Da Chu were really real. Cui Qing was so anxious that he grabbed his hair straight and sat next to watch the fun. He didn't know how to come up and ask, and he was so mean to be silly. If he had to put this in college, wouldn't the students get into trouble? The student union would definitely come forward to hold the accountable, and it would be possible to even report it to the school board of directors.

People send their children to college to learn things. If they study by themselves, would they have to pay you university teaching fees?

This is purely a social problem. In Dachu, someone will teach you, just go and have fun. Even if you have to hand over the sutra, you can teach you what you want. Have you never heard of a disciple of the church starving the master to death? Not to mention that Cui Qing is not a student of Renault, even if that is, no teacher will keep his hands on it.

In Cui Qing's mind, Renault has become a good teacher. If he can't do this, why should he teach you?

"Tiger teeth, go get a jar of oil, and sheep butter will be made." Renault really couldn't stand it anymore. For modern people, they don't need to be brain-wrenching. It's a complete high-tech thing in Dachu.

Huya responded and asked the soldiers who followed him to get the oil. This kid is very good at supporting people now. With the identity of his husband's seniority, a group of people rushed to ask him to support people.

After a while, the oil came, and Renault did not answer: "Send the oil to Cui Qing."

"Yes." Huya didn't ask, holding the oil jar and stuffed it into Cui Qing's hand.

Seeing the oil in the jar, Cui Qing's eyes lit up. Yes, use oil.
Chapter completed!