"Open the observation damper, and use a long spoon from here to remove the molten metal inside. Renault walked to the furnace and ordered, and immediately a craftsman took action, opened the observation damper and saw that there was really molten metal in the crucible, according to the time, it was still early, how could it turn into molten iron?

With countless questions in my heart, I used a long-handled iron spoon to take the liquid outward, and under normal circumstances, it should be to remove the primer, lift the entire crucible out, and pour the molten iron into the mold. Looking in from the damper, the ore has just burned red, and it is still early to melt.

It took a quarter of an hour, three craftsmen in rotation, and sweating all over their bodies, to take out the little molten metal. 300 catties of material, take out of the molten metal only two, three taels, if not too many impurities in the crucible, you should be extremely careful when taking, such a little molten metal, not enough a spoonful.

"Sir, do you want to enter the mold?"

"Well, just deal with it, the solution is too little, wait for more and refine it again. Looking at such a small amount of molten metal, Renault was a little disappointed, in fact, he knew that wealth had already given the content, one thousandth, a thousand catties to take out one catty, and he could only refine these.

"Sir, do you continue to refine the materials in the furnace?" The craftsman was stunned, and he saw that what Mr. wanted was not molten iron, but the molten metal that he had just taken out, which was not difficult to refine, and could be refined in more than an hour.

Renault looked at the red-hot ore, a little hesitant, iron-making was not his original intention, but this is half of the smelting, the ore is getting more and more red, it is a pity to give up, you must know that in this era, charcoal burning is a very troublesome thing, this furnace ore, consume a lot of charcoal.

"Keep refining. "Think about it or decide not to waste it too much, why don't you build a better Chu Ji for Luo Yi?

Don't look at Luo Yi's silver armor Chu halberd, it seems that the general is majestic, and his halberd Renault has seen it. In Da Chu, it is considered to be Seiko, and the halberd rod is made of cast iron, and the pattern is cast with a mold, which is not only good-looking, but also has the function of anti-slip. But cast iron, that's going to be raw.

When there is no war, the soldiers under his command are oiled and maintained to prevent rust. The material of the halberd head is much better, it should be folded and beaten repeatedly, which is already considered steel. Even so, after a battle, you have to let the soldiers sharpen it well, otherwise it will become dull, what kind of do you say?

You must know that Luo Yi is not only a Zhonglang general, his father is a general Zuo, and his family is a businessman, and he is a wealthy family. The Chu halberd was built at his own expense according to the system in the army. The real standard Chu Halberd can't be seen.

It is no wonder that the Dingxi Army Craftsman Household Battalion has to build armaments day and night, and weapons of this level can be broken after a long time, and they will not be needed a few times when they go to the battlefield.

Recall that bamboo armor is all standard armor, and it is no wonder that in terms of the toughness and sharpness of this weapon, bamboo armor can really block it.

"Sir, it's been built, can you replace it now?" Cui Qing ran over with an excited face, and behind him, there were several craftsmen. This is the gear and connecting rod made of a small furnace, the so-called small furnace, in fact, is a blacksmith furnace, is a blacksmith essential tools.

"Is it easy to use?" Renault is really not at ease with the Da Chu blacksmith, the technology here is quite extreme, the crucible is quite advanced, and the furnace is also very good, how can the iron smelted is so scummy?

"It's easy to use, twenty-three sets have been created, and this one is the best one. Cui Qingsuan said proudly, for this pair of gears, he is also hard enough.

Renaud is really speechless, there is no way, the brains of the Da Chu people have not yet been opened, it's not that they are stupid, and their consciousness and knowledge have not kept up.

"Cui Qing, have you ever tried to ask them to combine different gears to see which pair is more suitable?"

"Ah......" Cui Qing was dumbfounded, he didn't expect such a simple thing.

"Cui Qing, have you ever thought about making the same measuring tool first, and let the blacksmith build it according to the same scale?"

Cui Qing was speechless.

"Cui Qing, have you ever thought about letting some of the blacksmiths specialize in making small gears, and the other group of people specialize in building large gears, and leave a group of people to build connecting rods?" Renault continued to ask.

It's not that Renault wants to show how knowledgeable he is, he is really optimistic about Cui Qing, this person is literate, has read books, seems to be quite knowledgeable, and is not pedantic, such a talent is worth cultivating. In the future, Renault will need to use more things, will he have to invent them himself? How tiring it is, how good it is to teach a smart person to come out, put forward his own conditions, and let them do their work.

The method used by Renault is not new, it is the most common in universities, and it is a topic research. As Party A's own, put forward the requirements for product research and development, give money to people, and even point out the direction, let Party B Cui Qing lead the team, plus a few literate and hyphenation assistants, and dozens of craftsmen and coolies.

According to this model, as long as there are a few more people like Cui Qing, Renault can open several groups of R&D projects at the same time. In addition to Cui Qing, there are also nine princesses.

History has proved that this model of integration of production, education and research is the best mode to make money and develop at the same time, and to rapidly improve science and technology.

There are good ones, and who uses bad ones.

"Sir...... Great talent, the difference between the young and the poor. After a while, Cui Qing sighed, bowed to the ground, looked at Renault's gaze, full of admiration, if he could study with Mr., he would die without regrets.

Cui Qing naturally didn't know, he had already been secretly settled by Renault, R&D personnel like him are not easy to find in Da Chu, since you have encountered it, don't think about escaping, there will be times when you are tired in the future.

The wind drum stops for a while, it is not to delay the smelting, at most it will slow down some time, the so-called sharpening knife does not mistakenly chop wood, stop the drum first, install the gears and connecting rods, the process here is really backward, the so-called best pair of gears, there are many problems when installing, and finally smashed with a sledgehammer, only barely installed.

Put the connecting rod on the two horses, whip the horse, and as soon as the two healthy horses exert their strength, the big gear turns up, and as soon as this side turns, the iron rod on that side turns crazy. Renault didn't ask about the multiple of the gears, Cui Qing figured out the relationship between the two gears, and naturally the higher the speed difference, the better.

The big gear is the size of a grinding disc, and the small gear is only the thickness of an adult's wrist, which is too big a difference, so it's no wonder that both horses are struggling.

"Stop, stop. Cui Qing hurriedly shouted to stop, just now, the flames in the furnace were strung high, good is good, but this is an integrated wind drum, which is under the iron rod and supported by a wooden frame, that is, when the iron rod rotates, it is rubbed against the wooden frame. I didn't feel anything fast before, but this time it's hard to get up, the wooden frame is smoking, and if you turn it around for a while, it will definitely spontaneously combust.

After looking at it for a while, Cui Qingzhi frowned, the wooden frame can't be used, and I'm afraid it won't be possible to change the iron frame, at such a fast speed, even if it is replaced with a thick iron frame, it won't take long to grind through, and even the iron rod can be grinded.

Look at the gears again, it's even more worrying, don't look at the gears are pure iron, and even after several forgings, the resistance is too great, I'm afraid it won't last long.

This is the problem of materials, Da Chu's materials are not up to par, such a simple gear structure, it is heartburn to use.

Patting Cui Qing on the shoulder, Renault smiled and said, "You are good, think about it, how to solve this problem." ”

This question is really not difficult, Renault didn't tell him, he just wanted to cultivate his ability to solve problems independently, although he didn't teach Cui Qing anything, as long as he kept groping in practice, he would make rapid progress, much better than teaching him directly.

When he was in college, his school, the most famous doctoral supervisor, led students in this way, and Renaud was also fortunate to do a project with him, and I felt that I benefited a lot.

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

Cui Qing thought about it for a long time, and tried a lot of methods, but it was useless, as long as the gears turned up and the speed went up, what kind of frame could not be carried.

I don't know when, there was a palace girl next to the gear, holding a piece of animal skin paper in her hand, in a daze at the gear.

This girl is Si Wu next to the Ninth Princess, because she has practiced martial arts since she was a child, she does not avoid foreign men, and only she is convenient to come out to find someone to do things.

She was sent by the Ninth Princess, who never understood what the gears on the vellum paper were made of, and ordered her to ask Renault for advice. When she saw a large and a small gear, and then saw them spinning, even if Si Wu hadn't read many books, he understood the usefulness of gears, and there was still this kind of operation?

Turn the big wheel, the small wheel will turn fast, and then look at the pattern on the animal skin paper, the fool understands what it is for.

Renault looked at the stealing fun, this big Chu person is really real, Cui Qing grabbed his hair anxiously, and he sat on the side to watch the excitement, he didn't know how to come up and ask, he was bored with dead eyes, this should be put in the university, and it would not be possible to hold the students back from the problem?

When people send their children to college, they come to learn things, and if they are self-taught, they will pay you for university teaching?

This is purely a matter of social form, in Da Chu, someone teaches you, go stealthily, even if you have to hand over the restraints, you can teach you anything, haven't you heard of the church apprentice starving to death of the master? Not to mention that Cui Qing is not a student of Renault, even if it is, which teacher does not leave a hand.

Renault taught to this extent, in Cui Qing's mind, he was already a good teacher, and he couldn't do this thing, why should people teach you.

"Huya, go and fetch a jar of oil, and the mutton fat and butter will be made. "Renault really can't stand it, for modern people, they don't need to think about things, put it in Dachu, proper high-tech.

Huya answered, let the soldiers who followed him go to fetch oil, this kid is quite good at supporting people now, with the identity of Mr.'s long-term follower, a bunch of people rushed to let him support.

After a while, the oil came, but Renault didn't answer: "Send the oil to Cui Qing." ”

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

Seeing the oil in the jar, Cui Qing's eyes lit up, yes, use oil.