Of course, this kind of modular production is only suitable for large-scale mass production ships, and at present, Daming only has Longjiang Factory, Qingjiang Factory, Suzhou Factory and several government-run shipyards in use.

The private shipyards in Fujian and Guangdong still rely on the master to stake out each ship on site, so each ship built in the south is not the same, and most of them are crooked melons and cracked dates.

~~

Then Zhao Gongzi came to the Pengzuo workshop to visit the process of the sailmakers weaving sails from bamboo slices. I saw that every time they braided a canopy sail, they had to clip in a canopy with a canopy reins as the backbone, so that they could not only fold it one by one, but also let the sail rise close to the mast.

In terms of performance, this kind of bamboo canopy sail is of course inferior to a canvas sail, but for use on transport ships and merchant ships, this affordable and durable canopy sail is sufficient.

Later, in the oyster shell workshop, he saw the workers crushing the oyster shells they had collected and sending them to the kiln to be burned into lime. The calcium carbonate content of oyster shell ash is more than ninety, and the lime sintered at high temperature is most suitable for blending tung oil to form calcium tung oleate with excellent waterproofness.

It is then mixed with hemp silk to make putty twist, which is used to fill the seams of the hull slabs and the nail holes of iron nails. By brushing the oil only once a year, you don't have to worry about leaking water in the hull and prevent the nails from rusting.

Zhao Hao asked Blanco, the chief shipwright on the Oriental Beauty, that European shipyards use oiled hemp fiber twists and a layer of tar boiled out of asphalt to waterproof.

Tar is not only toxic, but also waterproof as Daming's putty twist...... When Zhao Hao returned on the Oriental Princess, he encountered water seepage in the hull, but fortunately, it was dealt with in time, so there was no tragedy.

And the entire punishment fleet has been at sea for two months, and there has been almost no water leakage. Well, it's also related to the fact that the fleet is all new......

However, even if the old ship leaks, it is not afraid, and the unique watertight cabin design of Daming can greatly improve the survivability of the ship.

Zhao Hao was in the ironwork workshop again, and saw the blacksmith masters who were shirtless in the winter, sweating like rain to build iron nails for ships.

Since the Warring States period, Chinese-style ships have begun to use iron nails to fix the ship's planks, and by the Tang and Song dynasties, the technology had been fully matured. Zhao Hao saw that in the workshop, there were as many as seven or eight kinds of finished iron nails. There are shovel nails, square nails, curium nails, jujube core nails, climbing nails, flat nails...... Obviously, each has its own purpose.

At this time, not a single iron nail could be seen on the European ships, and all the wooden nails were used. Although wooden nails are as good as wooden nails, for example, they will not affect the accuracy of the compass, and they will not rust.

However, tens of thousands of wooden nails are wedged into the board one by one, and the man-hours consumed will exceed that of iron nails by dozens of times. This alone is enough to make a judgment. Europe does not use iron nails at present, mainly because they do not have a good iron smelting industry, and wrought iron is too expensive to use.

Therefore, the shipbuilding technology of the Ming Dynasty is still ahead of Europe in many places......

After visiting the workshops one by one, Zhao Gongzi's biggest feeling is. Boats are really not so easy to build!

It is no wonder that the shipbuilding level of Li Chao and Japan has not improved, because this is a complex system engineering. If you want to raise the level of shipbuilding, there are too many places that need to make up for it. It's not something you can do with hiring a few shipwrights, you have to move the whole system over.

Phew, go dream!

~~

After a few walks in the various workshops, it was already noon. Everyone followed Zhao Gongzi to the shipyard's three canteens for lunch...... Secretary Ma said hello in advance, and the son was short of time, so don't set up a banquet, just use it casually in the staff canteen. By the way, I would like to inspect the food of the workers.

In the three canteens of the huge ship yard, there are rows of long tables, which can accommodate 2,000 people at the same time. And like this canteen, there are two more in the shipyard. Otherwise, it would not be possible to feed the entire factory, with more than 5,000 mouths of craftsmen, apprentices, security guards, and people.

The cafeteria was full of people, and after Zhao Gongzi and his party came in, their voices suddenly lowered a lot.

"Eat yours." Ma Hu hurriedly waved his hand, and the workers continued to bury their heads in eating.

The shipyard adopts a meal subsidy system, 600 wen per person per month, which is paid together with the salary.

The canteen has a small number of dishes, but it is very cheap. Vegan dishes such as winter melon and fried radish are all a penny; leek, egg, garlic and pork for two cents; A chicken leg is three cents, and a fat pork is also three cents; Rice costs three taels a penny, and a large steamed bun costs a penny. Normally, three meals a day can be eaten for 20 wen. Of course, if you have a big appetite, you will have to pay more.

Zhao Hao used seven yuan to make two meats and one vegetable and one rice, found an empty seat at random, and chatted awkwardly with a few workers on the side. In the three months of going to sea, Zhao Gongzi finally learned to put down his body, go deep into the grassroots, and greet the masses with warmth.

But it is impossible to mingle with the masses, after all, this is an era of great attention to the superiority and inferiority. Just sitting at the same table with Zhao Gongzi already made several workers tremble, and they had to poke chopsticks into their nostrils, let alone chat with him.

If it weren't for Ma Laohu's warning with his eyes, they would have run away with wooden plates.

Zhao Gongzi can't just eat with his head bored, right? That's hilarious. He could only stiffen his head and talk awkwardly, asking where they were all from? I am not satisfied with the food and accommodation.

The workers were stumbling at first, but Zhao Gongzi asked questions about the parents, and their answers gradually became smoother.

They told Zhao Hao that he would earn a lot here, eat well, and have no problem with accommodation. The only problem is that the boat yard is on the island, and it is too inconvenient to go home. Most of them haven't been home for a year.

Of course, in this era, those who go out to work are not for the Chinese New Year, and how many can go home? So they just talk about it.

"Then let's move the house." Zhao Gongzi smiled when he heard this: "Then you can go home every day, and your wife and children are hot on the kang, isn't it beautiful?" ”

"That's a good feeling, but I can't get away with the land at home." When the workers heard this, they immediately shook their heads and said, "Besides, where do you live?" ”

"It's simple, if the land is your own, you will be tenanted, and someone else's will not be tenanted." Zhao Hao said with a smile: "Chongming Island is not short of land. Go back and get a shipyard farm, and it's up to you to see how much you can grow at home. ”

"The place to stay couldn't have been easier. At the beginning of the year, the director of the Ma factory built a family home outside the factory to provide it for the families of workers. Zhao Hao ordered sloppy first. When he responded, he said to Jin Xuezeng: "Your county should also give great support." All day long shouting to absorb the population and increase the number of people. With so many quality people here, why are you indifferent? ”

"Oh yes, why didn't you think of it?" Jin Xuezeng hurriedly slapped his forehead and said with a look of annoyance: "I'll take a charter out when I go back, and strive to attract the workers of the shipyard to settle down on Chongming Island!" ”

"Haha, did you hear what the county master said? You can keep an eye on him behind his cheeks and don't let him lose his words. Zhao Hao smiled at Ma Hao.

"Don't dare, don't dare." Sloppy hurriedly laughed and said, borrowing his courage and not daring to take Qiao from his parents.

Only then did the surrounding workers know that the parents of a county were so frightened that they quickly knelt down and kowtowed to Jin Xuezeng.

"Get up!" Jin Xuezeng had no choice but to put on the prestige of his parents in a county, and warmly encouraged everyone to welcome them to take their families to Chongming Island to settle down.

Now that the sea pond has been repaired, he also has the confidence to say this. If it had been placed in the past, it would have made people embarrassed!

You have just come to settle in this hellish place, and your whole family has collapsed into the sea......

~~

After a short rest after lunch, Zhao Gongzi came to the pond on the shore accompanied by everyone.

Zuotang is a dry dock, and it is also a very mature technology in the Song Dynasty. The few big ponds in Longjiang Bao Shipyard left a deep impression on Zhao Hao.

The Jiangnan Shipyard is built on the shore of the beach formed by the impact of sediment, and it does not have the good conditions of the Longjiang Factory, so it cannot directly connect the pond with the big river, so it cannot be as simple as digging a pit on the shore.

The pond here is a semi-open rectangular structure. It is necessary to dig a deep trench on the shore beach first, then pour and strengthen the wall and bottom of the pond with bamboo and gravel concrete, and then use a concrete structure to extend the deep water into the sea.

When the workers build a ship in the pond, they make a sluice gate at the end of the pond to keep the sea water out of the pond. When the ship is ready to be launched, the supports are removed and the sluice gates are opened. When the high tide water is poured into the pond, the boat can be sailed out.

Ships that want to enter the factory for repairs must also take advantage of the high tide to enter the pond. Prepare temporary support before the tide goes low to avoid rollover after the water level drops. When the tide recedes, the sluice gate is lowered and the water inside is drained, so that the workers can go down to the pond to reinforce the supports, and then repair the boat to paint.

At this time, the Oriental Beauty stood quietly in the No. 7 pond specially built for it. Dozens of logs support its massive hull, and the entire ship is in broad daylight from top to bottom.

Zhao Hao also looked at this 'Oriental Beauty' for the first time. I saw that the hull under the waterline was obviously wider than on the water. This big round belly is the secret of the Galen's ability to withstand a salvo from the side side.

"I didn't expect that she was still a pregnant beauty." After looking up and down for a long time, he asked the Yang family brothers who were standing aside: "How is it, do you have the confidence to copy it?" ”

Yang Mi hesitated for a moment and replied cautiously: "You have to eat this boat thoroughly before you can answer Childe." ”

"When will you be able to eat it?" Zhao Hao asked.

"The structure of this ship is much more complicated than our fortune ship, and I am afraid that it will not be able to understand it for a while." Yang Mi said and glanced at Yang Fan on the side and said, "If my brother can be together, it should be able to build the model in a few months." ”

"A model ship?" Zhao Hao's eyes lit up, he liked to play with ship models the most.

"Yes." Yang Fan nodded and said: "The method handed down by the ancestors, the first step of imitating the shipbuilding model, is to build a reduced ship model first. Don't look at the ship model like a child's toy, but there is no shortage of parts that should be on a big ship, and the internal and external structures are exactly the same, but they are all smaller than a large set. ”

"Uh-huh." Zhao Hao was not offended at all, and still nodded with interest. "It's just a small scale."

"Through the shipbuilding mold, you can get a clear picture of the ship's parts, structure, and construction sequence. Therefore, as long as we can build a model ship, how to build this ship, we will have a clear door in our hearts. Yang Fan added: "And it can also replace the real ship to test the performance and defects of the ship type." ”

"Then let's build it quickly!" What Zhao Hao is most afraid of hearing is 'can't be built', and now when he hears that there is a door, the big stone in his heart falls to the ground.