Although Onozawa is located between the four kingdoms of Song, Lu, Qi, and Wei, none of these four countries really value this place!

Because the borders of the countries of the world in this era were divided by cities, not by specific territories, no one in Onozawa really divided specific boundaries. This is very similar to the border between the Great Lakes between the United States and Canada in later generations www.biquge.info

Nowadays, most of the countries in the Central Plains are agricultural countries, and the most fishermen can catch some fish and subsidize their families in Onozawa, and the princes of various countries really can't look down on this income, so they have not expanded their power there.

This gave Dai Yan a chance, a chance to expand his territory! Although his main goal is to fight the water bandits, this does not stop him from expanding his power on the water!

To form a boat division, Dai Yan did not have the slightest experience, so he could only rely on Wu Yi, the former general of the Yue Kingdom, to play by himself. Dai Yan just handed over the boats donated by some merchants to Wu Yi, and then summoned some common people with good water skills from Taoqiu and let Wu Yi train on his own!

It's okay to talk about personnel training, but as soon as he saw the ship that Dai Yan handed over, Wu Yi immediately shook his head and said, "Lord, relying on such a ship, I will definitely not be able to destroy those water bandits!" ”

The land of Wuyue is full of rivers, and there are naturally many more water bandits than in the Central Plains! Wu Yi inquired about the robbed merchants, and from his many years of experience in exterminating the water bandits in Yueguo, he knew that although the boats in the hands of the water bandits were short, their speed was very fast, and they were by no means able to catch up with the boats donated by the merchants today!

Ships that move fast must be built to move!

However, although there are countless ships docked in Taoqiu every day, there is not a single shipyard. However, the only shipyard in the Song Kingdom was in Suiyang, where a large number of craftsmen who could build ships were regarded as forbidden by the monarch, and they would not reveal their shipbuilding skills when they were idle!

Under such circumstances, Wu Yi had no choice but to try to use the boats donated by these merchants to go to Onozawa to fight the water bandits first. As he expected, the ships built by the merchants, although tall and mighty, could not really threaten the bandits! And although the ships of those bandits are all short and abnormal, and some even row out of the sampan to attack the merchant fleet, but these bandits are too flexible, these tall and mighty ships can defeat any bandits, but the other party does not meet you at all, what can you do with him?

Therefore, when Wu Yi's suppression of bandits lasted for half a month, he only occupied a small island in Onozawa as a stronghold, and he could count the water bandits he killed. On the contrary, due to the forcible suppression policy on Taoqiu's side, the water bandits in Onozawa were enraged, and they even began to unite to attack Taoqiu's merchant fleet!

This kind of situation is intolerable to Dai Yan! Although Dai Yan lacks a lot of things in his hands today, the last thing he lacks is money, and in his opinion, the problems that can be solved with money are not a problem!

So with a wave of his hand, he immediately approved the establishment of a shipyard!

The technology of the shipyard, Dai Yan listened to Wu Yi's advice, invited craftsmen from the land of Wu Yue to come to Taoqiu at a high price, and personally carved a large piece of land on the shore of Heze as the shipyard base!

The countries of the Central Plains have always called Wu and Yue barbarians, because the people in these places are very poor, and they do not work honestly and abide by rituals and laws like the people of the Central Plains, but like to plunder everywhere!

However, in the opinion of Dai Yan, who has the experience of expedition to Wu Yue, such a thing is really common! The agriculture in the land of Wuyue is far less developed than that of the Central Plains, and the land cannot produce enough food.

However, the land of Wuyue also has aspects that the Central Plains countries cannot compare, at least in Dai Yan's observation, the technology of casting weapons and shipbuilding in the land of Wuyue is incomparable to the countries of the Central Plains!

Not to mention casting weapons, seven of the top ten famous swords in the world are related to the land of Wu Yue!

And the land of Wuyue is a water town and Zeguo, and everyone goes far by boat! The shipbuilding industry has a direct impact on everyone's survival, can this be underdeveloped?

Among all the Wu Yue craftsmen that Dai Yan introduced, the most important one was a craftsman who inherited shipbuilding technology from the Wu period-Yiren. And the meaning of his name is the man who made the wings!

Wing is the name of the military ships of the former Wu State. Because when this kind of ship moves, it moves as quickly as a wing!

The wings are divided into large wings, middle wings and small wings, the large wings are ten zhang long, one zhang five feet two inches wide, a boat can carry twenty-six soldiers, fifty oarsmen, three sailors, twelve hook and spearmen, and two commanders, a total of ninety-three people. The ship carried thirty-two crossbows, three thousand three hundred arrows, and thirty-two pairs of helmets and armor. The middle wing is nine feet six feet long and one foot three feet five inches wide. The winglets are nine feet long and one foot and two feet wide.

And this kind of wingboat, although it is one of the highest technologies in the world, but in Dai Yan's view, it still has defects, Dai Yan did not say a word, and used a major invention of the Central Plains ship on the wingboat.

This invention is the oar. Lunai is an innovation in the shipbuilding industry of Lu State, which originally referred to the wooden shield of Lu State. However, since Lu can appear as a god-level craftsman like Lu Ban who can make "wooden kites", it is also a very innovative country, and later there are Lu people who place this kind of big wooden shield on the stern of the ship or next to the ship, which forms a formal oar.

The oar was originally a heavy thing, but once it was fixed to the boat, it was not much trouble for people to shake it. The force area of the oar in the water is much larger than that of the oar, and the thrust generated once it is shaken is naturally much greater than that of the oar!

Later generations often said that "the tree is in ashes", which actually shows the important role of the tree in the ancient water war!

Adhering to the concept that what can be solved with money is not a thing, Dai Yan has built another more powerful ship one after another: the building ship!

After knowing that Dai Yan decided to build such a ship, not only Yiren, but even Wu Yi was moved to tears!

The building ship did not have a special significance at the beginning, that is, the nail building was particularly huge, the ship was high and wide, and the appearance looked like a ship. Like the ships that the Son of Heaven and the princes took when they traveled, most of them can also be regarded as the predecessors of the building boat. However, the real sense of the building boat is actually the invention of the Wu people!

The first building ship in the annals of Chinese history was the "Yu Huang" built by Wu in the Spring and Autumn Period. The Yuhuang is the ship of King Wu, the command ship of the fleet of the Wu State, and it is a real building ship! In the battle of Wu and Chu Chang'an, the first battle of Wu Shi was unfavorable, and Emperor Yu was taken by Chu State, and it was Gongzi Guang who fought against the Chu army at that time. Emperor Yu was taken away so that Gongzi Guang was ruthless, he personally commanded the soldiers of Wu at night to attack the camp of the Chu army, with the importance of the Wu people to Emperor Yu, inspired the morale of the Wu people, defeated the Chu army and finally recaptured Emperor Yu!

And this prince Guang is the king of Wu who led the state of Wu to become strong and prosperous, and eventually became one of the five hegemons of the Spring and Autumn Period!

As the descendants of the Wu people, how could these two not be excited when they heard that they could rebuild and drive the building boat?

For the manufacture of the building ship, Dai Yan did not do it completely according to Wu Ren's suggestion. He referred to the design of the Wu Renlou ship at that time, and then sent the craftsmen of the Mo family to participate in it, and made improvements to many parts of it.

After years of exploration, the Mohists have made great breakthroughs in the study of mechanics! And they also know a lot about buoyancy, and even the center of gravity. Therefore, for this kind of building ship suitable for inland river warfare, they did not refer to the characteristics of the Wu people's great achievements, and added a five-story building on it to build a ten-zhang high building ship, but put most of the buildings on the hull, and on the ship's surface, there were only two-story buildings.

In this way, this new building ship is not as tall and conspicuous as other building ships of this era. However, this is in line with Dai Yan's opinion, although Taoqiu is very wealthy now, it is better to keep a low profile in military affairs!

And lowered the center of gravity, for an invention unique to Chinese ships, Dai Yan did not miss it, this is the stern rudder! The stern rudder is a device set in the middle of the stern to change the course of the ship, which can adjust the balance of the ship, and was called "Lingbo Treasure" by the ancients!

In the famous painting of the Song Dynasty "Riverside Scene at Qingming Festival", there is such a device on the huge boat in the painting! The invention of the stern rudder was actually very early, at least in this era, Dai Yan was able to see this device from the ship.

This primitive stern rudder is a rudder oar set vertically, and this structure is naturally full of defects for Dai Yan and the disciples of the Mo family who are proficient in mechanics! After the refit, the stern rudder was modified into a vertical structure, and many boiling holes were added to the rudder surface, which reduced the water resistance, not only made it easier to control, but also made the boat travel faster!

For the modification of the rudder, Dai Yan also installed a lifting device on it, so that the boat can adjust the rudder with the depth of the water!

In addition to lowering the center of gravity and adding a rudder with a balance device, this new type of building ship has also added many improvements to the power. Not to mention the addition of oars and the modification of more excellent sails of the Central Plains countries, the most important invention is the addition of wooden wheels, which makes this newly built building ship become a car ship!

In this way, the building boat itself has three powers, namely the power provided by the oars and oars, the power provided by the sails, and the power provided by the wooden wheels provided by the feet!

In normal times, the boat can rely on the wind to patrol slowly, but once it is necessary to operate the oars and wooden wheels at the same time, the whole ship will immediately change from a slow-moving turtle to a fast-moving cheetah! No bandit's ship will try to escape from such an adversary!

When Wu Yi saw this newly built building ship, he sighed directly: "Such a ship, let alone chasing water bandits, is not impossible to conquer the sea!" ”