"Of course I know! Who made this! That's what I wanted to do before!" Xiao Han excitedly grabbed Master Cao's book and sprayed all the spit on his face!
"This is me..." Chief Cao, who was grabbed by Xiao Han, was about to speak, but stopped at the last second!
He coughed and then said: "Ahem...this is done by my friends, um, friends! They are the same people I wanted to arrange to come in last time..."
"Are you talking about them?"
Xiao Han pointed at the black brothers carrying coal in disbelief, his mouth wide open enough to fit a fist into it!
"That's not true. These people are just latecomers. We can't let others do this. It's too wasteful. They are probably studying waterwheels by the river now."
"What? The waterwheel is also out?! Why didn't you notify me of such a big thing! Let's go! Take me to see it quickly!"
Chief Cao was pushed out by Xiao Han like a dung cart. He felt like he couldn't laugh or cry. Who didn't inform him? It's obvious that I'm just too lazy to play around every day. Good guy, when things happen, it's myself to blame again!
But no matter what, who calls him the Marquis or the Lord? Just bear with it!
After leaving the door, he hurriedly rode a cart to the lower reaches of the river. Xiao Han saw on the cart that the originally wide river channel had been blocked by an earthen dam at some point, and the gentle river passed here. As soon as it was blocked by the earth dam, the water flow immediately became much more rapid! Under the dam, there are three or four waterwheels, large and small!
"This is what you made in the past few days? So fast?" Xiao Han swallowed hard, and before the cart stopped, he jumped off and quickly ran to the water tanker.
The river water in early spring still carries the slightest trace of ice, and it makes a gurgling sound as it washes against the tall waterwheel made of logs. The large waterwheel, which is more than two feet high, is turning slowly and slowly. At its edge, there are also tied There are many bamboo tubes.
With every rotation of the waterwheel, the bamboo tubes immersed in the river were filled. When they reached the highest point, they were dumped out again. Although they were all dumped in the river now, Xiao Han knew that as long as he connected a few Just bamboo tubes can automatically transport the river water to the dry land! By then, the dry land will be turned into paddy fields!
After looking at this waterwheel, Xiao Han looked greedily at the smaller waterwheel next to it. Perhaps because of the low resistance, it turned much faster than the larger one!
Of course, in terms of size alone, Xiao Han would not be so out of control! What really surprised him was: this waterwheel actually had gears connected to it!
Xiao Han dares to swear to God! He actually saw the gears! Although they are still very rough and made of wood, they rotate one by one and the teeth interlock with each other. What are these if they are not gears? !
Xiao Han was dumbfounded, but Chief Cao bowed slightly and said something to an old man walking by the river.
The old man's hair was completely white, his face was wrinkled, and his back was heavy, but only his eyes were extremely clear. When he looked at Xiao Han, there was a strange light flashing.
"Old Cao, Old Cao... I'm a little dizzy. Who did this?" A burst of water vapor hit, waking up Xiao Han in a chaotic state. He wiped the moisture from his face, and Xiao Han shouted to Master Cao at the top of his lungs!
He really couldn't believe what he saw! In Xiao Han's mind, if someone could complete all of this with design and production in just a few days, then he must not be human!
Master Cao heard Xiao Han's cry and confessed to the old man. He quickly came to Xiao Han and said to him: "Master Hou, this is one of my...well, uncle, he drafted and completed all these designs." !”
"Where is my uncle? Take me to see..." Xiao Han pulled Master Cao, wanting to know what this person who is not human looks like!
That's outrageous! Even if Lu Ban was alive, he couldn't play like this!
Chief Cao smiled and pointed at the old man not far away: "Here, that's it!"
Xiao Han looked in the direction pointed by Master Cao and saw the smiling old man.
At first glance, Xiao Han felt that this person was really different! Just looking at his appearance, Xiao Han couldn't even tell his age!
With a face full of wrinkles and withered white hair, it’s okay to say he’s sixty or seventy years old, and some people will believe him if he’s seventy or eighty!
But those eyes make him look like a child! Could it be that I am rejuvenated and he is rejuvenated?
"Junior Xiao Han, I have met my father-in-law. Do you dare to ask me his surname?" Xiao Han did not dare to act like a marquis to this strange man, and quickly greeted the old man with the etiquette for his elders.
The old man came over, smiled gently at Xiao Han, and then said: "Haha, I have met Mr. Hou. My real name is Qin. As for my name, I haven't used it for a long time and I have forgotten it. Mr. Hou called me Qin Lao!"
"Surnamed Qin?" Xiao Han didn't know that there was such a surname. He was stunned for a moment, then bowed and said: "I don't dare to call myself master in front of the old gentleman. Mr. Qin can just call me Xiao Han! Wan Sheng wants to ask Mr. Qin, Are all the waterwheels on this river made by you?"
After all, Old Man Hua still taught Xiao Han a little bit. In terms of respect for elders and younger ones, which was most valued by the ancients, Xiao Han was almost perfect at this time, and it was really worthy of Old Man Hua's "careful teaching".
Seeing Xiao Han being so humble, Mr. Qin also laughed loudly, stroking his long white beard and said: "Yes, you can also say no."
"How do you say this, Qin Lao?" Xiao Han was a little confused and asked the old man, scratching his head.
"Master Hou, let me explain this to you." Chief Cao spoke up at the right time and explained to Xiao Han: "Actually, the waterwheel was not thought up by you, Master Hou, let alone Qin Lao! It had already appeared in the Han Dynasty, but it was not widely used because of its low durability. Later in the Jin Dynasty, there were already sporadic millstones driven by waterwheels. And now these waterwheels are all based on Qinlao The remaining drawings were redesigned, otherwise who could build these things in a few days?”
"Oh~" Xiao Han understood after hearing Chief Cao's explanation. Fortunately, it’s not too outrageous! If there is really a genius who can design so many things in a few days, Xiao Han really has to consider whether this person is also a time traveler.
"Oh, by the way! What happened to you when you told me on the way? What problem did you encounter?" Xiao Han looked at the whirring waterwheel and suddenly remembered what Director Cao said before he came.
"Transmission! The problem now is the transmission!" Chief Cao was going crazy. He had been talking about it for a long time on the road, and Xiao Han didn't listen to his feelings at all...
"Transmission? Isn't there a gear? What's wrong with the transmission?" Xiao Han asked strangely, pointing to the gear that was still running.
Master Cao's eyes were almost red, and he said loudly: "There are gears, and the bearings you made are really useful, but the water hammer is too big! And for the convenience of processing, it needs to be placed farther away from the river bank. This distance The gears can’t be reached at all! If you add too many gears, they will break easily, so wouldn’t they be stuck here now?”
"Oh, that's it." Xiao Han nodded and asked, "Then you haven't thought about using other things for transmission?"
"The old man also thought about wrapping two sets of gears with knots, but the cast water hammer is too heavy, and ordinary ropes will break after just a few times. Even ropes made of old rattan wires will not last long, and they will It cannot be used with oil like the rotating shaft."
At this time, Qin Lao spoke and explained the problem simply and clearly, and then looked at Xiao Han quietly. Cao Housheng said that this son is a genius. Although the extremely exquisite turning axis can already prove this, But Qin Lao still wanted to witness it with his own eyes.
