"It's ...... Stone Truck!? When Liu Yi's first crane was made, Zhang Fei's eyes widened, and he turned his head to look at Liu Yi and said.

"Lifting heavy things, you can call it a lifter!" Liu Yi shook his head, this crane from the beginning of the design to the current perfection of the time has taken a lot of effort, in the huge runner, people continue to walk in it, to provide power, the principle is similar to Liu Yi's waterwheel, and then through two winch, three gears and a shaft to transmit the strength to the crane rocker.

The rocker is composed of two masts, there is a pulley group at the top, two fixed pulleys and a movable pulley, the mast can be adjusted up and down according to the height, which is deduced by Liu Yi according to the principle of the crane in later generations, and there are simple lifting equipment in this era, but in terms of practicality, not to mention the attributes of the load-bearing +35 and sturdy +34, the crane itself alone is the most advanced in this era.

"How do you use it?" Zhang Fei went up and kicked twice, looking at the behemoth in front of him, the base was also equipped with wheels, but those wheels were now lying flat on the ground, useless.

"You'll find out later." Liu Yi didn't explain much, saying that the fact that he never saw it was more convincing.

The thick ropes were covered with bamboo baskets for goods, and the foundations of the castle had been dug up to now, but the interior was so damp that the bottom had to be reinforced with cement, wooden planks, and bricks.

Under Liu Yi's signal, someone had already loaded a large amount of cement and wood into those bamboo baskets, and a full thirty-six crane trucks began to run slowly, some loaded with goods, and some loaded with people.

The craftsmen below are busy unloading their loads or laying rammed earth on the ground.

"How much does that big basket weigh?" Zhang Fei came to a cargo basket that was not yet full, and pushed it hard, with his strength, it only made the bamboo basket shake slightly.

"If it's cement, it weighs about 4,000 catties!" Liu Yi affirmed that in fact, the data he calculated, even without the blessing of attributes, could bear 6,000 catties, but for the sake of insurance, Liu Yi still chose to weigh 5,000 catties when compiling this kind of bamboo basket that rises up and down.

"Four thousand pounds?" Zhang Fei was a little unconvinced, but looked at the goods that were gradually filled in the lifting bucket, but he didn't refute it, this weight is almost four thousand catties, he looked at Liu Yi and said: "No wonder it took all these days to make this thing, with such an artifact, it will be easier to build the city wall in the future." ”

Zhang Fei did not participate in the construction of the city, in fact, such as today's cities, they were basically set in the pre-Qin period, and the Han Dynasty has been more than 400 years, and there are not many extra cities.

Artifact?

Liu Yi shook his head in his heart, the West already had the prototype of this kind of thing in BC, China, although there are no special equipment, but some lifting principles have been used, he is only based on the later generations and many materials found in the books that can be found now, it should be more advanced than the West, especially the roller, in the beginning of the design, Liu Yi designed a winch, which was pulled by hand, and later when building the waterwheel in the fishing village, he thought of replacing the winch with this thing, the effect, naturally, it is more labor-saving, just find some people to be responsible for walking in that wheel.

In this regard, in fact, Huaxia is lagging behind the West, and he is now making up for this, but the most important thing is the inheritance of ideas, about the use of mechanics, this is the fundamental, Liu Yi is trying to change this era with his own strength bit by bit, not all for the sake of history, but I feel that since I have come to this era, I also have a certain ability, and I should always leave something for future generations.

Of course, it is unrealistic to directly advance the social form from the feudal era to the industrial age with one's own efforts, and it is still dominated by human and animal power, even if there is systematic help, it is impossible to be more convenient than the era of electricity or steam engines, and the advancement of the era is not a point, but when the whole surface reaches that level, it will naturally evolve.

I hope that the pure theoretical book I compiled can have some enlightening significance for future generations, and more, he will not ask for it.

However, Zhang Fei was obviously very interested in these things, and for the next few days, Zhang Fei almost revolved around these cranes, and the cement was paved faster than expected

However, the construction of the foundation will take longer than Liu Yi expected, and there are many problems that are difficult to solve, and cement is not omnipotent.

However, the foundation is built, and the next thing is relatively simple for Liu Yi, come on time every day to pay wages, and then the craftsmen start work, and Liu Yi drives back to the fishing village, unless there are some problems that the craftsmen can't solve, Liu Yi will occasionally stay, most of the time, Liu Yi comes, and will only check the progress of the project and the quality of the project, and will not take care of it again.

The early spring has arrived, and the weather here has begun to get warmer a lot, Lu Lingqi is lying on the recliner made by Liu Yi, squinting her eyes to bask in the sun, the spring of the fifteenth year of Jian'an has arrived, although there is still some cold in the air, but it will not be so cold, when the weather is good, Liu Yi will take Lu Lingqi out to lie on the special rocking chair to bask in the sun.

Beside her, after the elderly doctor helped Lu Lingqi diagnose her pulse, she smiled at Liu Yi and said, "Don't worry, Madame's body is quite healthy, and this fetus will be worry-free from the pulse." ”

Lu Lingqi's belly is already very large, she has to be careful to hold it with her hands when she walks, and her face is also fleshy, compared to three months ago, she has gained more than a circle, but the smile on her face is getting softer and softer, and she looked at the doctor and said, "Maybe you can see whether the fetus is male or female?" ”

"This ......" Hearing this, the medical craftsman hesitated a little and glanced at Liu Yi.

When Lu Lingqi heard this, her heart couldn't help sinking, although the doctor didn't speak, but obviously, the answer was not what she wanted, and she looked at Liu Yi with some concern.

"Girls?" Liu Yi, who was making a model of the Quyuan plow, raised his head, looked at the look of the medical craftsman, and asked with a smile.

"Judging by the pulse...... It should be a baby girl, but the old man's medical skills are shallow and may not be accurate. The healer bowed.

"The girl is fine, too." Liu Yi played with the Quyuan plough model in his hand, but he didn't have much feeling about it, the concept of the previous life, the concept of giving birth to a boy and a girl is not as biased as this era.

"The old man retired first." Although Liu Yi was laughing, after all, this kind of thing was not a very good thing in the eyes of people in this era, and he didn't know what Liu Yi had in mind, so it was better to slip away first.

With Mrs. Deng to give him a diagnosis, Liu Yi looked at the back of the doctor who was running away, a little speechless, touched his face, looked at Lu Lingqi on the side and said, "Am I so terrible?" ”

"Husband~" Lu Lingqi's mood was obviously depressed, she didn't dare to look up at Liu Yi, and bowed her head and said: "The concubine is useless, and she failed to continue the incense for her husband." ”

"According to genetics, in fact, the blood in the child's body, the parents account for half, and in terms of recessive inheritance, the blood in the child's body is actually more in the mother's body, what is wrong with giving birth to a daughter, and our family is not a family." Liu Yi stepped forward, stroked Lu Lingqi's hair, and said with a smile: "Madame doesn't have to worry about this matter. ”

"Husband, concubine is ......" Liu Yi's comfort did not make Lu Lingqi happy, if Liu Yi was just an ordinary craftsman, maybe this sense of guilt would not be too great, but Liu Yi is not just a craftsman now, a county is too guarded, quite valued by Liu Bei, and the exchanges are not Zhuge Liang, Cui Zhouping and other masters, or Zhang Fei, Zhao Yun and other fierce generals, the prosperity of the Liu family in the future is almost predictable, to put it mildly, with the value that Liu Yi is showing now, even if Liu Bei is defeated, the other princes will not snub Liu Yi.

The revitalization of the Liu family is already a sure thing, Lu Lingqi naturally hopes to help Liu Yi give birth to a son, but now that the firstborn has become a daughter, she is naturally lost.

"I've told you everything, it's out of the way." Liu Yi squatted down, pinched Lu Lingqi's fleshy cheeks, and said in a low voice: "If Madame feels guilty, after a year or two, won't you have another one?" ”

If it was in the past, she might be shy, but this time, Lu Lingqi nodded quite seriously, and she had already made up her mind that she would give birth to a son who could inherit the family business for the Liu family in the future.

Seriously?

Liu Yi was a little funny, and a little pity, stood up and pulled Lu Lingqi and said: "It's a little windy, go back to the house, wipe your body for your husband, and when the wind stops in the afternoon, go out for a walk again." ”

"Hmm~" Lu Lingqi nodded her head and followed Liu Yi back to the house obediently.

Although I want to, I really can't at this time, at most I am addicted, but today's Lu Lingqi is extremely well-behaved, even if she is shy, she will no longer resist at all.

Therefore, it is better to be ancient, how can a modern man have such a status?

Comforting Lu Lingqi to sleep, Liu Yi took his own model of the Quyuan plough out of the room, after several streamlining and modifications, the Quyuan plough was basically made by Liu Yi, even if it is different, Liu Yi also believes that the Quyuan plough he made is more convenient and efficient than the Quyuan plough of the original world, with this thing, as long as the conditions permit, it should be able to feed more people, so that today's agriculture should be possible in the Tang and Song dynasties.

Now, what Liu Yi wants to do is to gradually promote this quyuan plow, increase agricultural output, provide a favorable foundation for the next population surge, and also bring more possibilities for the future.