Under Fang Zi'an's detailed introduction, Su Heng figured out what Fang Zi'an wanted to build. He was both shocked and a little admiring. Judging from his experience, he thought that this thing called the steam engine could be made. Su Heng had actually been struggling with the fact that the skills he possessed did not bring any practical application. This is the thought that has always haunted him.

Su Heng's grandfather, Su Song, was a world-famous figure who was obsessed with the study of various smelting and manufacturing. When he was very young, after witnessing the exquisiteness and exquisiteness of the huge water transport instrument that his grandfather had completed with others, he threw himself to the ground with the five bodies that his grandfather admired. The reason why my grandfather was able to become famous all over the world was because of this water transport instrument. It was my grandfather's masterpiece. It was also a real feat that my grandfather praised and praised for the world. As for himself, he has the true inheritance of his grandfather, but more of them are grandsons who are called Su Song, and they are far from reaching the heights that his grandfather reached.

In terms of skills, Su Heng believes that he is not inferior to or even surpasses his grandfather's skills. The iron clams, iron centipedes, and other things he painstakingly researched were certainly not meant to be toys for his son. It was his experiment after he devoted himself to all aspects of mechanical crankshaft transmission. And this may not be possible for his grandfather Su Song to do. He's actually entered a new field. However, these things are completely unable to be applied to practice and make practical things, which is exactly what he is frustrating.

The reason why Su Heng moved from his hometown in Wuxi to the old house where his grandfather Su Song once lived is that he hopes that he can always remember that he is still far away from his grandfather Su Song, and when he can also create a sophisticated thing like a water transport instrument that is both shocking and practical, so that he can be called his grandfather's personal grandson and be called a master. Therefore, Fang Zi'an's thing called a steam engine really hit his heart.

"Do you understand, if you don't understand, I'll explain it again. The principle of this steam engine is that the high-pressure steam generated by boiling water in the boiler pushes the cylinder piston to reciprocate and the steam of the twin cylinders back and forth, which can push the connected shaft to displace, thereby driving the crankshaft and gear to rotate, and convert the force of steam into usable force. For example, if it is mounted on a large ship, it can be connected to a propeller to propel the boat forward when it rotates. If it's on a cart."

Fang Zi'an took the trouble to explain the drawings, including the purpose of the assembly and the shape design of each crankshaft, the role of the gear size, and the precision of the internal structure.

In fact, Fang Zi'an didn't want to share such a big secret with others, but Fang Zi'an already understood his limitations after the first experiment. You can't make a practical steam engine on your own. So he can only find someone to cooperate, and Su Heng is undoubtedly a suitable object. From knowing that he was making farm tools for the people for free, and was afraid of missing the farming time, Fang Zi'an knew that Su Heng was a good person. And when he showed those two works, Fang Zi'an understood that this was the best object to work with. Therefore, he did not hesitate to share this big secret with Su Heng in detail.

Su Heng waved his hand to Fang Zi'an's words, and said in a deep voice: "Young Master Fang, you don't need to say it, I fully understand the shape and size of all the devices on this drawing, as well as their purpose and function. I, Su Heng, am also well-informed, but what I saw today opened my eyes and deeply admired Fang Gongzi. Fang Gongzi was able to design such a thing, which made Su feel ashamed and very excited at the same time. If this steam engine can be built and applied, it will definitely cause a sensation in the world and shock the world. I didn't say it, but I'm willing to join in and contribute to this matter. ”xx

Fang Zi'an was overjoyed and laughed: "Hahaha, I knew that Master Su could be so knowledgeable and so refreshing, I said that I was talking nonsense and even engaging in some kind of agitation."

Su Heng smiled faintly and said, "Fang Gongzi turned out to be a radical general. I was fooled. ”

Fang Zi'an smiled: "Of course it's a radical method, otherwise how could I be so rude, you are the person recommended by Xiqing, even if I don't give you face, I have to give Xiqing face, right?"

Su Heng glanced at Qin Xiqing, who was smiling, and said in a deep voice: "It seems that the two of them have a deep relationship. I should have seen it a long time ago. ”

Qin Xiqing smiled and said, "Don't guess Brother Su, you still talk about your business." ”

Fang Zi'an knew that Qin Xiqing was unwilling to publicly admit this matter, and this matter should not be made public at present.

"Master Su decided to join in the battle and work with me to get this steam engine out," Fang Zi'an asked.

Su Heng said: "Of course, I have always been true to my word. ”

Fang Zi'an nodded and said, "Okay, then we should talk about some conditions for cooperation." ”

Su Heng frowned and said, "What are the conditions?"

Fang Zi'an said: "It's very simple, let's make an agreement, three chapters of the law, and clarify some things before we can officially start cooperation." To put it bluntly, it's ugly, and the words are said in front. ”

Su Heng felt a little uncomfortable in his heart, this person is really cumbersome, cooperation is cooperation, and what are the three chapters of the law, it is really eventful. But on second thought, maybe it would be better to make some things clear, so as not to cause trouble later.

"Okay, then listen to your conditions." Su Heng said.

Fang Zi'an nodded and said, "First of all, although this thing is my idea, my ability is not enough to make it. Besides, this thing still needs to be perfected, and it needs your help. If this thing is made and can be put into practice, it will go down in history and go down in history. With that in mind, I'd like to make you a collaborator in making this thing together. In other words, when others talk about it in the future, it will be something that you and I have made together. Would you like to?"

Su Heng said with a smile: "Fang Gongzi is so generous, Su is grateful. But this made Su feel a little guilty. It seems to be suspected of stealing people's love. ”

Fang Zi'an shook his head and said, "I said, without your help, I wouldn't be able to make this thing." Of course, it's a common product. Just like when he respected his grandfather Master Su, wasn't the water transport instrument also made by him and his like-minded friend, another strange man who is proficient in the production of astronomical arithmetic instruments, Han Gonglian, we will also follow the good story of our ancestors and work together, and it will be a good story in the future. ”

Su Heng didn't shirk anymore, nodded and said, "That's a good point." That's it. ”

Fang Zi'an said: "Article 2." It's a thing that costs money. I can pay for all the expenses, but since you are also a co-maker, then I will not pay you for your work. You are out, I am out of money, let's each count half, in the future, this thing can be sold for money, we will pay half of the money. ”

Su Heng laughed and said: "It doesn't matter if you have money or not, if I love silver, I don't know how many people ask me to make things for them." I don't give out money, I don't take money, I only want fame, not profit. You give the name, and I don't take a penny. ”

Fang Zi'an smiled: "Then how embarrassing, do you know how valuable this thing will be after it is successful, and how many people will want to spend money to buy it?"

Su Heng waved his hand and said, "I don't want Jinshan and Yinshan either." ”

Fang Zi'an thought for a while and said, "That's it, in this way, if you earn money in the future, I will share it with you, but we don't say anything about it in the agreement." Anyway, you plan to take nothing, and I will rely on my own conscience to give as much silver as you want. You don't need silver, Sister-in-law Su and your son still want it, in the future, your son will marry a wife and have children to buy a house, won't you have to spend silver?"

Su Heng smiled: "You have a strong mouth, and you think a lot, so it's up to you." I agree with this one. ”

Fang Zi'an smiled proudly, Qin Xiqing on the side saw it in his eyes and listened to it in his ears, and sighed in his heart: "My Langjun, when did you not be so philistine, you were a perfect person." You are this, not only is Brother Su's salary gone, but how much he can get when he earns money in the future depends on your mood, which is too much. ”

Then Fang Zi'an put forward a third condition.

"Master Su, the third condition is the most important condition, that is, from now on, everything about this thing must be kept secret and not told to anyone. With your ability, you will soon understand the process and principle of manufacturing, and figure out the essence of this thing. You don't even need me to provide you with the drawings, you can make it yourself in the future. I want you to swear to God that no matter what happens in the future, or if you and I fall out and go our separate ways, or if something else happens, you will not make this thing for anyone else. To put it bluntly, whether this thing can be made or not, that is also a secret for you and me. How to use the control is up to me. Can you say yes?"

Su Heng's face became ugly again. Fang Zi'an further explained: "It's not that I don't believe you, Master Su, but there are some things that must be made clear. We don't yet know what happened to this thing. It's like we've worked together to create an indestructible sword, which can only be held in our hands. If someone else had possessed this sword, and had used it to kill, rob, and prevent fire, and do evil, would it have to be credited to us? So if we control it, there will be no other mistakes. You say it's not me, it's also for your own good. ”

Qin Xiqing's white eyes flew into the sky, Fang Zi'an really could talk nonsense, and the two things that were not related to each other were forced together by him. He's really good at sophistry.

How could Su Heng have so many fancy intestines, and after listening to Fang Zi'an's analogy, he felt that there was some truth. In addition, he didn't have any other ideas at all, so he nodded and said, "That's it, I also answered this one." ”

Fang Zi'an was overjoyed, took pen and ink at the moment, wrote three chapters of the covenant, and made a covenant of cooperation. Su Heng not only swore to the sky, but also wrote down a promise that he would never make a steam engine privately. The two signed and the agreement was concluded.

After agreeing to come here early tomorrow morning to officially start production, Fang Zi'an was satisfied with Qin Xiqing and left.

On the way, Fang Zi'an was in a good mood, humming his classic song catching loaches, and Qin Xiqing flew around one after another with his eyes on the side, funny and angry. div

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