Shipbuilding has now become Li Chen's first priority, and Meng Fei's kid urges every day not to say anything, and at this time, it is only less than two months before the First Emperor Taishan Feng Chan.

Within a month, Daqin's first sea ship had to be launched, which was also the purpose of Li Chen's coming all the way to this Qu County.

Speaking of which, the shipbuilding industry of the Qin Dynasty was not developed, and the first emperor was still staring at the land, and the unknown territory of the sea had not yet been explored by the Qin people.

The entire Qin Dynasty naval army only had more than 150 large ships and 720 small ships. The largest ship of the Qin army is only a flat-bottomed ship of only more than 20 meters, not to mention that compared with the treasure ships of Zheng He of the Ming Dynasty in the previous life, it is also insufficient compared with the large merchant ships of the Song and Song dynasties.

Boats in the Qin period were mostly used in inland lakes, rivers and other places. The cargo capacity of the flat-bottomed boat is relatively large, which is more suitable for inland rivers without wind and waves.

And the wind and waves in the sea are huge, and sailing with Daqin's flat-bottomed boat is nothing more than looking for death. Meng Fei, Tie Hanhan, had already tried to conquer the sea with a flat-bottomed boat, so the sharp-bottomed ship was the direction that the shipyard was working on at this time.

It's not that the craftsmen of Daqin can't build a sharp-bottomed boat, at this time, Daqin is mainly flat-bottomed boats, and it's not that there are no sharp-bottomed boats. But Daqin's pointed-bottom boats are almost all small boats, fishing boats, and there are really no steeple-bottomed large sea boats that are really dozens of meters large.

The deeper part of the water allows the underwater area to be used to stabilize the hull and better withstand the pressure in the water.

Qu County, shipyard

Li Chen is now building a lucky ship, which is a kind of merchant ship that was widely used in Fujian and Zhejiang during the two Song Dynasty periods on the earth in the previous life.

Li Chen was also very jealous of the kind of treasure ship that Zheng He used to go to the West, but he couldn't become a big fat man in one bite. Most of the skills of Daqin's shipwrights are still in the era of flat-bottomed boats, and the construction of this more than 40-meter-long fortune ship is already scratching its head, not to mention the treasure ship of more than 100 meters.

Although the fortune ship is not comparable to the treasure ship, it also has its own advantages. Among them, the technology of "watertight transverse bulkhead" was first adopted and invented on the Fu ship.

The whole ship is divided into four layers, the lower floor is equipped with earth and stone ballast, the second floor is occupied by soldiers, the third floor is the main operation site, and the upper floor is the combat site. The bow of the ship is high, and there is an impact device, which can plow and sink the enemy ship by pressing down on the wind. The advantage is that the first cabin is broken, and there are the second and third cabins.

"Master Hou, with these craftsmen, this keel will be completed in a few days." The leader of the factory said to Li Chen.

"Da Niu, from today onwards, you will eat, live and leave in this shipyard, and keep an eye on this place for me." Li Chen commanded at the big cow.

Da Niu is also a little incomprehensible to Li Chen, and it is still unknown that the skills he has shown have far surpassed all the craftsmen Li Chen has seen, including the craftsmen of the royal family.

"Keel, remove it, reassemble it."

"You're kidding human life by doing this, do you know what the keel is for?"

"It's balance, why can't you dance in the sea?" Da Niu looked at the flawed keel in front of him and shouted.

In this era, people with craftsmanship are respected. It didn't take long for the skilled bull to make the people of the shipyard take it orally.

The keel of this treasure ship is different from the flat-bottomed sailing ship of Daqin, the inverted V-shaped keel is simply a torture for these already skilled boatmen.

The keel of a ship is like a human body's bones, the human bones support people to walk, and the keel of the ship also supports the ship to sail on the sea.

The main function of the keel is load-bearing, which is the most important load-bearing structure of the ship, which bears the longitudinal bending moment of the hull and ensures the structural strength of the ship.

The second role of the keel is to expand the side area of the boat, increase the parallel impedance of the boat in the water, and prevent crosswind steering. This is especially important for sailing against the wind. On a sailboat, the keel is supported by diagonal braces in the middle or at the edge of the skeleton. In addition, the keel also plays an important role in stabilizing the weight of the boat, reducing the tilt or reverse rotation of the boat.

With the efforts of the entire ship for nearly more than a month, this lucky ship, which was supposed to appear in the Song Dynasty, appeared in Daqin for the first time.

Today is the day when the first lucky ship was launched, and Li Chen naturally waited at the dock early.

The ship is about 40 meters long, about 15 meters wide, and 5 meters high. Counting the topmost platform, it is divided into four layers. The lowest floor is used to hold the ballast, the second and third floors are inhabited, and the fourth floor is the uppermost platform.

The deck of the ship is flat, and the head is as sharp as a knife, which is used to chop the waves. The tail is wide and balanced. The bottom of the boat is like a long knife, cutting through the current.

There is a small sail in the bow and stern, and a large sail in the cross. These canvases are sewn from some sturdy cow and sheepskin, which is not afraid of sea erosion. Since it is a separate three-sided sail, the large and small sails can be used according to the wind force, and it can move forward even in the case of headwinds.

"There's something wrong with this boat, how can it go without oars." Wang Li looked at the huge ship and asked curiously.

Daqin's inland ships are basically human-powered boats, driven by wooden oars or paddle wheels, and the sail is more like an auxiliary device.

"You know, in front of the sea, manpower is insignificant and not worth mentioning. The strength of the wind and waves on the sea is far greater than the strength of man, and it is useless for you to fill this ship with oars. Meng Fei stroked the lucky boat and gave Wang Li science.

"You mean it's ...... to sail on the seas"

"You don't need oars to row, it's all about the waves." Wang Li asked curiously.

"Unit, unit, unit."

The worker's door pulls the rolling log under the boat and pulls the boat into the dock.

"Bang."

The huge bow of the ship smashed into the middle of the ship, and then the entire hull began to slide into the sea.

"Come, come, come."

"Get on the boat, get on the boat." Meng Fei hurriedly beckoned the surrounding crews, who were recruiting fishermen from nearby villages, and it was not a problem to sail out on a boat.

"Yue'er, get on board." Li Chen said to Yingyue.

"I'm not going." Ying Yue said with a twist, but her eyes were full of longing when she looked at the big boat.

She really wanted to go, she wanted to go to the sea. But in recent days, she has heard the disaster of a woman going to sea, and it has been wrapped around her like a curse.

"Let's go."

"We're here to conquer the sea, not to consult with it." Li Chen grabbed Ying Yue's hand and pulled her to the deck.

Ying Yue could get rid of Li Chen with a flick of her hand, but she just let him pull it like this.

"It's a heart-warming feeling."

"So domineering, so good, good man."

"That's what it's like to be conquered." These embarrassing thoughts suddenly surged in Ying Yue's heart.

"Master Hou, this ship is more than five times faster than my original ship."

"Compared to this ship, the one before me was a little sampan." On the boat, Meng Fei said happily.

After another three days, Meng Fei hired seafarers who were willing to sail. After preparing a large amount of supplies and fresh water, he left, and couldn't wait to start his journey.

Drawing nautical charts, exploring new lands, and searching for new species were the tasks given to him by Li Chen.

"It turns out that dreams are really so important." Looking at Meng Fei, who had gone away without hesitation, Wang Li muttered.

At this moment, Wang Li knew that Meng Fei belonged to the sea.

And he himself belongs to the Spring Sleep Building.