Chapter 422
The efficiency of water intake and irrigation by bobbins can be hundreds or ten times stronger than that of overturned carts.The main reason is that the bobbin car does not use manpower or animal power, but uses the kinetic energy of water, which does not stop day and night, and makes sound through the night.However, the efficiency of the drum car is very low. In this respect, the rollover is much better than the drum car, especially when the cattle are used to pull it around.

However, both of these tools have absolute disadvantages, that is, they need a river or a flowing pond before they can be used.If it is drilling wells for agriculture, then people can only carry oxen.

However, Ma Chao made a rough estimate. If there are farmlands flowing through rivers in the whole Yongzhou, if the dump trucks and bobbins are used to fetch water, then the fertile land in Yongzhou can be increased to about one-tenth.After all, the tributaries of Weishui and Yongshui are all over Yongzhou, which is too much for irrigating farmland.

Such a large project requires a large amount of financial support and countless manpower in addition to manufacturing countless rollovers and bobbins.In Ma Chao's vision, the construction model of Fufeng River can be used for the construction of water conservancy in the whole Yongzhou.However, in this way, the establishment of the Ministry of Industry became more and more urgent.

Of course, there is still a prerequisite, that is, whether Zhou Maitian can make a bobbin car.

"The water trolley is made of bamboo or wood. First make a big vertical wheel, and then use logs to make a roller to set it up. Install dozens of skeletons on the roller to support and connect...well, the round wheel There are also wooden impellers and many large hollow bamboo tubes with slanted openings around it. There is a wheel on the upper and lower sides, the lower wheel is half submerged in water, and there is a belt between the two wheels."

"What is a tire?" Zhou Maitian listened to Ma Chao's narration, and was already caught in the façade imagination.However, he still seemed very confused when he heard some uncommon and difficult words and sentences popping out of Ma Chao's mouth from time to time.

"It's a chain transmission made of leather, which is used to pull and pull the big vertical wheel..." Ma Chao frowned and recalled the method of making a bobbin car he learned in books, and said stumbledly: "There are also many rulers on the wheel belt. Take a long bamboo tube. When the water hits the water wheel below it turns, the bamboo tube is filled with water, and the river water is brought to a high place from bottom to top and poured out."

"Without manpower or animal power, the standing wheel can be made to rotate for a long time by the force of the water flow?" Zheng Hun is also a descendant of Lu Ban's high disciple. After hearing Ma Chao's description, he still felt a little inconceivable.

Ma Chao was having a headache on how to explain the relationship of kinetic energy conversion to them, but he heard Zhou Maitian say: "Chiseling wood is a machine, the back is heavy and the front is light, and the water is like pumping, and the number is like fertile soup. Its name is 槔?"

"It's almost the same meaning as Juchao. But Juchao uses the principle of leverage, while the drum car uses the power of water flow instead of manpower. Although the efficiency is not high, it can cycle day and night." Hearing Zhou Maitian's words, Ma Chao naturally knew Zhou The wheat field is an allusion to fetching water from oranges.However, there is a huge difference between the orange and the drum car, and they are not the same tool at all.

In desperation, I planned to draw a drawing of a bobbin car.But when he looked back and saw Zheng Hun and Zhou Maitian, he smiled: With these two master carpenters here, what kind of drawings are they making?It is much more intuitive to make a bobbin car model directly than the drawing.

Immediately, Ma Chao asked the two of them to find a piece of log and cut out a big wheel by using their two ingenious skills.Then some small bamboo tubes were installed on the runner, so that the mouth of the tube faced the direction of the runner.At the same time, Ma Chao deliberately made these bamboo tubes and the axis of the drum car form an angle of about 45 degrees so that the drum cart would fall to the side of the drum truck when pouring water and introduce the position of the water receiving tank.

It is said that by doing this, the model has basically been completed.When Zheng Hun and Zhou Maitian were in the open space, using a basin to simulate the flow of a river, Ma Chao suddenly felt a little panicked: When he was in school, this guy was a master with high eyesight but poor hands, and his hands-on ability was extremely poor.After tossing and tossing in front of the two masters this time, if it turns out that the model can't be turned, wouldn't it be embarrassing?

What's more, the entire arsenal has a kind of deified worship for Ma Chao. Although Ma Chao doesn't have much vanity, he definitely still has some sense of shame... Finally, amidst the expectant and hopeful eyes of the two, Ma Chao bit the bullet and held the barrel. The car model was put into the dug path, and Zhou Maitian poured water slowly beside it.

God opened his eyes!
This bobbin car model is not a cross-century project, and Zheng Hun and Zhou Maitian are top carpenters, and they completely follow Ma Chao's instructions when they help, and they have definitely reached the qualified standard.The two of them watched intently that the model of the cart turned automatically, and they couldn't even close their mouths in amazement.

"My lord, are you borrowing the power of ghosts and gods?" Zheng Hun looked at it, shaking back and forth, finally took a look at the windless weather, and finally admitted that the model really rotated automatically by relying on the water flow .

After he breathed a sigh of relief, Ma Chao pretended to be unfathomable, and said: "It is not the power of ghosts and gods, but all things have power, and the best is like water. You must know that this water flows day and night, and it also relies on the power of mountains and rivers. Even though he is the spirit of all things, he still can't fully explore the mysteries of all things..."

But Zhou Maitian fell into it at this time, and saw that he changed the strength of pouring water for a while, and then changed the height of the bobbin cart. It’s not that it can rotate as long as there is water, but it has something to do with the strength of the water flow and the height of the placement.”

"That's right, the drum car rotates too slowly, or it can't lift the water. It is necessary to install some wooden or bamboo boards on the drum car, so that the drum car can obtain more kinetic energy from the water; or the drum car can be immersed in the water deeper to obtain Kinetic energy, through this, more water can be stored." Having said this, Ma Chao's heart stopped feeling: These things are all written in the textbooks. Although his hands-on ability is poor, his memory is pretty good. of.

"When the speed of the water flow is low, the bamboo tube should be relatively small. Otherwise, the energy obtained by the tube car from the water is limited, and it is not enough to overcome the counter moment of the lifted water on the tube car. After investigating, knowing their speed and power, and doing more experiments, we can make a really usable bobbin car."

"My lord is really a god!" Zhou Maitian showed some signs of madness at this time, threw down the basin and ran to Ma Chao and said, "If the whole Yongzhou has overturned cars, bobbins, and oranges... within two years, we will be in trouble." The entire Yongzhou can be the richest state in the Han Dynasty!"

But Ma Chao smiled, looked at Zhou Maitian and Zheng Hun and said, "You two, don't you just want to benefit Yongzhou? It should be noted that this thing can not only be used in Yongzhou, but also in Soochow, where Heze is densely populated, and even the entire Han Dynasty has water. It can be used anywhere. You two don’t want this overturned cart to become the most beautiful scene of the big man?”

Zheng Hun and Zhou Maitian looked at each other, and said in admiration, "My lord has the world in mind, so I can't wait."

At this moment, Ma Chao was looking at the model of the barrel cart, and he suddenly thought that there seemed to be many farming tools in the textbooks that could be used.In this way, and next year his new crops will be promoted to Fufeng, and even the entire Yongzhou, how can there be any more people who starve to death in the big man?

At this moment, although Ma Chao was not on the battlefield, his heart was filled with fighting spirit.It seems that the countless mu of farmland in Yongzhou is the enemy he wants to conquer...

(End of this chapter)

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