Since coal is temporarily unavailable, Yun Chao can only start by improving the combustion efficiency of charcoal.
First of all, what Yun Chao aimed at was the blowing equipment used by Blacksmith Hu.
Yun Chao discovered that the bellows used by Blacksmith Hu was very crude and shockingly primitive.
In his previous life, Yun Chao had seen the old-fashioned bellows in his hometown when he was a child. It was a wooden box that made a whirring sound when pushing and pulling a wooden pole with your hands.
Children are very curious, and Yun Chao once took it apart to see what the structure was inside, so that he could tell the story of a mouse getting into the bellows and getting angry at both ends.
Although it has been a long time, Yun Chao can't remember it clearly, but he still knows the basic principle, which is nothing more than piston movement.
Piston movement, not to mention Yun Chao, a quasi-doctorate, even a person who has studied the cultural knowledge of junior high school can make it after careful consideration.
Thinking carefully about the memories of his previous life, Yun Chao took a piece of blackened charcoal and began to write and draw on the ground.
Many people were shocked to see Yun Chao drawing various ghost symbols on the ground as if he was possessed by a demon.
Darling, it's different when gods come to earth. Brother Chao is going to do it!
If it had been the time when Yun Chao had just traveled through time, he might have been tied up to drive away evil spirits.
But it's different now. As Yun Chao's status gets higher and higher, the more he behaves differently, the more others are in awe of him.
Some things, if applied to the poor people, are feudal superstitions; if they are applied to people with status, they are magical powers. Where can we reason?
Asking Yun Chao to draw a genetic map might be difficult for him, but asking him to design a drawing of an old-fashioned bellows is a piece of cake, not to mention searching for something.
Not long after, Yun Chao called some carpenters to him, pointed at the ghostly drawings on the ground and said, "Masters, look, can you make this thing?"
Yun Chao drew more than just one picture, there were outline drawings, there were also interior drawings, there were cross-sections, there were longitudinal sections, there were several in total.
Several carpenters looked at each other. They had been watching from the side just now, but they didn't realize that these were drawings!
It's not that the carpenter is incompetent, it's mainly that Yunchao marked too many symbols on the drawings, especially those Arabic numbers and letters, who can tell what they are.
Seeing the confused faces of several carpenters, Yun Chao knew that he had acted too hastily, so he pointed at each picture and explained to them.
What Yunchao designed...oh, to be precise, it was a restored one, something similar to a double-action piston bellows.
A rectangular wooden box is divided into two layers with a partition inside the box.
The upper layer is equipped with a piston, which is connected to a pull rod, and the pull rod is connected to the handle outside the bellows.
Where the piston meets the partition, Yun Chao arranged some feathers to prevent air from escaping.
The lower layer of the air box is an air duct. There are two air inlets at both ends of the partition, and an air inlet at each end. A valve is installed on the opening to make the air flow in only one direction.
When using this kind of bellows, just pull and push the tie rod on the bellows to make the air reciprocate and blow into the furnace.
If the air supply is sufficient, the oxygen will be sufficient, the charcoal will burn faster and more fully, more heat energy will be released per unit time, and the furnace temperature will naturally rise.
Yun Chao had worked as a tutor's assistant and was no stranger to teaching. He combined graphics and explained the lectures in a simple and easy-to-understand manner, and several experienced carpenters quickly understood him.
After understanding this, several carpenters looked at each other.
I never expected that these ghostly drawings turned out to be drawings of a new type of bellows!
They saw with their own eyes how Yun Chao designed these drawings. In such a short time, a clever new bellows was designed. This is amazing!
Of course, before the real thing came out, several carpenters were still a little hesitant. Would this thing work? Could it really enable Blacksmith Hu to make a qualified gun head?
Suspicious as they were, the carpenters did not dare to neglect at all and were ready to start work immediately.
After watching for a while, Yun Chao frowned because he discovered a problem.
Several carpenters are good at craftsmanship, but there is a problem, that is, they all do their own thing.
You do your thing and I do mine. There is no division of labor. It seems that everyone wants to make a bellows.
"Masters, stop for a moment. Each of you is doing your own thing. When will you be able to do it well?"
Several carpenters were confused and didn't know what Yun Chao meant: "Master, if you don't do it this way, how else can you do it? This is what we have been doing since we were apprentices since we were young?"
Yun Chao shook his head: "Masters, do you want to divide the work? For example, some people make box boards and others make tie rods. Wouldn't it be great if everyone makes different parts separately and then assembles them together?"
"this……"
The carpenters were hesitant to speak, not knowing how to answer this idiot Yun Chao.
Don't think that the ancients were all fools. They already knew about division of labor and cooperation.
In the past, when working, there was no division of labor and cooperation, such as the apprentice sawing and the master digging tenons.
However, it would be nonsense to ask different carpenters to divide the work and cooperate.
"Boss, our ink rulers are all different, so the things we make won't fit!"
"What?"
This time it was Yun Chao's turn to be confused.
Didn't it mean that when Qin Shihuang was defeated, weights and measures began to be unified? Why are they still different now?
After some understanding, Yun Chao finally understood.
Although the rulers of several carpenters are roughly the same, when it comes to the fine level, it won't work.
Every carpenter's ruler is passed down from his master.
Most of them were made by the master himself when they were apprentices, as gifts for their apprentices after they learned their skills.
The problem lies here, no matter how skilled the craftsmanship is, errors will inevitably occur.
With each generation passed down, the error of the ruler will become larger by one point.
As it is passed down from generation to generation, the errors become larger and larger.
The final result is that every carpenter's yardstick is different, and the gap is not small.
After understanding the situation, Yun Chao scratched his head. It seemed that he had to start with unifying weights and measures. He would continue to do what Qin Shihuang failed to do.
However, what Yun Chao thought was a simple matter turned out to be a big trouble.
If you want to unify the standards, there is no way!
Several carpenters are accustomed to using the rulers passed down by their masters. If you want them to accept other people's standards, that is absolutely impossible!
These ancient craftsmen are all the same. You can beat them or kill them. It is simply impossible to make them change the rules they have formed since childhood!
Besides, the carpenters have become accustomed to the original standards. Sometimes they don’t even use a ruler to measure their work. They can tell at a glance how many feet and inches they have. It would be strange if they rashly ask them to change the standards without causing any problems!
