Last time, I said that "Emperor Chongzhen" Zhu Youzhen found that Japan was too dangerous and must be destroyed based on all the memories he had obtained from "Nobel".

Just when Emperor Chongzhen was immersed in the Hongda scene of the "Kunyu Wanguo" coming to the dynasty, suddenly the voice of the "national teacher" urging the carpenter came to his ears: "The virtuous son-in-law does not have to worry, although it is inconvenient to urge a certain person to mix with mundane things, it does not mean that he will stand by and watch after the Eastern Crusade starts, and the little girl and the inferior will help each other." ”

Zhu Youzhen glanced at the carpenter who was still sitting in the air and refining qi, and saw that his eyes were slightly closed, his five hearts were facing upward, and he was content, so he knew that this old man would not sit idly by, so he also used his divine sense to transmit the voice: "I don't know my father-in-law...... What else does the Master have to offer? As soon as the words fell, he looked around.

"Haha, I can't talk about teaching, but there is still advice." The carpenter hovered in the void and used his divine sense to transmit: "You can hand over the 'treasure ship design' of the 'Zheng He's voyage to the West' to the inferior and the little girl." In addition, all 'steamboat traps' must have the 'Sitting on Fire' charm to save a lot of fuel. ”

"Oh? I see! Thank you, father-in-law, oh no, 'Master Guo'! I ...... this" However, before Zhu Youzhen's voice fell, he found that the "carpenter" who was originally suspended in the air and breathing out qi refining had gradually become transparent, and finally disappeared in the void, and when his divine sense was swept, he found that he had returned to the "Stone Flower Cave".

At this time, the twelve daughters of the Urging sisters and Zhu Youxiao seemed to have received the divine consciousness transmission of the carpenter at the same time, and they all appeared in front of Zhu Youzhen in a flash, and couldn't help but say in unison: "Daddy/Master said that I want you to provide the design drawings of the 'Zheng He Treasure Ship' to help you, giggle/hehe......"

"Uh...... This one...... In that case, let me come. Emperor Chongzhen originally wanted to let the eunuch go to the "cabinet" to get the drawings, but suddenly thought that the other party was just a mortal and couldn't fly away.

His elder brother Zhu Youxiao and the sisters of the urging family naturally wanted to follow closely behind, and they flew against the wind, and came to the top of the "Qianqing Palace" in a blink of an eye. At this time, Zhu Youzhen released his spiritual power and carefully scanned it, and instantly locked on a delicate vermilion lacquer book that stored the drawings of the "treasure ship" back then, and slowly fell.

At this time, the "brocade guards" guarding the gate of the palace hurriedly came up to salute, and entered the "Shang Shufang" according to the order, and took the vermilion lacquer book and presented it to the emperor Laozi. After Emperor Chongzhen Zhu Youzhen took the book, he waved his hand and sent the "Jinyi Guard" away, and handed the book to his brother by the way.

Zhu Youxiao nodded and waved his hand to release a mana, washed the book, hovered in the air, pinched a little, and gently opened it, and it was indeed filled with various design drawings, almost all of which were the design drawings of the treasure ship when the "three BMW eunuchs" went to the West to promote the prestige of the Ming Dynasty two hundred years ago.

"Good, good, very good!" Zhu Youxiao couldn't help but be amazed: "With these drawings and designs, my brother can draw a scoop according to the gourd, and it is not a problem to restore the treasure ship of the year, the key is to spend some time." As soon as the words fell, Zhu Youxiao glanced at the women and said, "Can you help me?" ”

"Giggles, men and women match, don't get tired of work, can't ask for it, giggles." The eldest third daughter had already had a skin-to-skin relationship with Zhu Youxiao and found happiness in it, so she took the opportunity to quip: "Could it be that Senior Brother still wants our sisters to go together?" I'm afraid that my brother's body is not strong enough, right? Cluck. As soon as the words fell, the girls frowned at each other, flirting and scolding, as if they had forgotten that there were still two brothers of the Zhu family staring at each other!

"Uh...... The junior sisters laughed, foolish brother ......" Zhu Youxiao said with an embarrassed face, but he suddenly felt a powerful spiritual force sweeping over the surrounding people, and the voice of the carpenter came out in their minds: "Hurry up and work, the 'Xiuzhen Alliance' has begun to urge the degree." ”

"Giggles, Daddy, what are you anxious about? Isn't this in the middle of a deadline? The women didn't think so, but they didn't forget to respond coquettishly: "There is a senior brother here." ”

As soon as the words fell, although the women were still playing hip-hop, they also gathered around to review the drawings and see how these "treasure ships" were built back then?

As we all know, "Zheng He's voyage to the West" is a feat in the history of ancient Chinese navigation, which not only strengthened cultural exchanges between countries, but also brought Chinese culture and technology to the world, and was more than 100 years earlier than Dias, da Gama, Columbus, Magellan and other well-known European navigators in the Middle Ages!

In ancient times, when there was no modern navigation technology, Zheng He was able to reach the coastal countries of the Indian Ocean seven times, thanks to a mature shipbuilding technology - watertight compartments. This ancient Chinese shipbuilding technology first appeared in the Northern and Southern Dynasties, and only spread to the West with the "Zheng He's voyage to the West".

Although all of the "treasure ships" used in Zheng He's voyage to the West were made of wood, the largest was 126.72 meters long and more than 50 meters wide, and they were separated by partitions. The partitions are generally made of camphor wood and fir wood, which divides the entire cabin horizontally into small spaces, and the gaps between the timbers are filled with silk linen and tung putty to ensure the airtightness of the compartment. Of course, the number of compartments depends on the size of the vessel. This structure is known as watertight compartment technology.

The advantages of the "watertight compartment" are obvious: first, when the ship hits the reef and other accidents, the cabin will not sink due to water ingress as a whole, and can still maintain considerable buoyancy, which improves the safety performance of the ship's long-distance voyage; Second, the ship is divided into cabins, which is convenient for different kinds of goods to be classified and placed, and is convenient for loading and unloading and management;

Third, the hatch is closely connected with the hull plate, which not only increases the overall lateral strength of the ship, but also replaces the step of adding ribs, simplifies the shipbuilding process and strengthens the hull, this is because ancient China is more than 1,000 years ahead of Western countries in the application of "watertight compartment technology"!

As early as the Song and Yuan dynasties, this technology has been popularized among the Chinese people. At that time, even if a certain part of the ship was hit by wind and waves and caused a hole in the cabin to enter the water, as long as the hole in the incoming cabin was blocked, the whole ship could sail on the sea unharmed.

In ancient times, when there was a lack of mechanized tools, while blocking the entrance to the water inlet hole, only manpower could be used to dump the water out buckets, which was time-consuming and laborious, and the effect was not good. However, with the development of science and technology, the application of pumps on ocean-going vessels has completely replaced the original manual water transportation.

With the seven voyages of Zheng He's fleet, the "watertight compartment technology" was also introduced overseas, and was later absorbed by countries around the world, creating a brilliant geographical discovery in the history of European navigation. This technology fully embodies the extraordinary wisdom and outstanding talent of the ancient Chinese working people, and is a great invention in the history of human shipbuilding, and still plays a huge role in the world's shipbuilding and shipping industry today.

During the Yongle period of the Ming Dynasty, "Zheng He's trip to the West" can be described as a major event that attracted the attention of the world, but compared with how many treasures Zheng He brought, Zheng He's "treasure ship" had no less significance than "treasures", and it was the focus of the world's attention at that time.

The "Zheng He Treasure Ship" is the largest sea ship in the "Zheng He fleet", the main body of the "Zheng He fleet", and also the "flagship" of the maritime task force led by Zheng He.

There is another theory, that is, "Zheng He's treasure ship" is the general name of the "sea ship" in Zheng He's Western fleet, because the "Zheng He fleet" is composed of a variety of "sea ships" of different ship types, different scales, and different purposes. Therefore, these ships are collectively referred to as the "Zheng He Treasure Ship". Relatively speaking, the easy-to-use and mighty "Fortune Boat" has evolved several times in the Song and Yuan dynasties, and has successfully transformed into the "Zheng He Treasure Boat" in the "Yongle Period" of the Ming Dynasty.

The "Zheng He Fleet", which created the great cause of "Seven Voyages to the West", and its top warship "Treasure Ship" was modified on the basis of the "Daifuku Ship". The basic manufacturing principles are the same, but the size is larger, the technology is more refined, and the boat is controlled with a lighter "balance rudder", which can be said to be lightweight.

In addition to the unprecedented 11-mast sails, the sail is also made of a stiff sail structure in the choice of canvas, which can withstand stronger winds. In terms of human power, the two sides and the tail of the ship have a very deep tail oar, which is equivalent to the propeller on a modern ship. At that time, the "Zheng He Treasure Ship" could be called a fully automatic "Jumbo" class battleship.

The equipment on this "Big Mac" battleship is also extremely advanced, because the main battle weapon of the "Zheng He's treasure ship" is "artillery". Huge warships that move quickly, coupled with extremely lethal artillery, are difficult to match in the world's oceans at that time!

Zheng He made seven voyages to the West, and apart from a few small-scale land frictions, he encountered only one real naval battle, the so-called "Battle of Palembang".

And the opponent of the "Zheng He fleet" is the local "pirate leader" Chen Zuyi. This group of pirates has been entrenched in Southeast Asia for more than ten years, and the size of the fleet has exceeded 10,000 people, forcing the surrounding countries to pay tribute to them with their strength.

However, Chen Zuyi, who felt good about himself, dared to call out the "Zheng He's fleet", and as a result, the battle began in the middle of the night and ended in the early morning, Chen Zuyi's "pirate fleet" was killed by more than 5,000 people, and he himself was also captured alive, all the warships to which he belonged were sunk, and the entire "island team" was immediately wiped out.

In fact, from the middle and late Ming Dynasty, among the large "warships", there were "lucky ships" equipped with 1 door of "Dafa Gong" and 6 doors of "Franco". According to the "Wubei Zhi" written by Mao Yuanyi, a military strategist and writer in the late Ming Dynasty, because firing the breech cannon "Dafa Gong", which imitates the West, will cause the hull to crack, the craftsmen of the "Bao Shipyard" further increased the strength of the wooden hull in addition to considering the speed of the ship, and the method is as follows:

The first is to reduce the length-to-width ratio of the "treasure ship" so that the length-to-width ratio of its design value is about 2.45, which makes the whole treasure ship look chubby. Second, in order to bear the total longitudinal bending force distance, layers of thick plates are used, which are stacked and accumulated, and the ship plates are thickened to dissolve the after-action force of artillery firing.

In fact, it is quite normal for the "gun" to cause a break in the hull, both in the East and in the West, because the recoil of the gun when fired is too great. At the beginning of the Ming Dynasty, the naval division was equipped with smaller bowl-mouth guns and bowl-mouth guns, so the hull would not break, but the naval guns in the late Ming and early Qing dynasties had become "Hongyi cannons".

Because of this, the thickness of the planks of the "treasure ship" had to be multiplied. According to speculation, the thickness of the floor and "deck" of the largest "treasure ship" reached 340 mm and 380 mm, that is, it must be more than a foot thick! This significantly strengthens the structural strength and crash resistance of the hull. Therefore, the "pirate ships" in Southeast Asia are simply not as strong as them, let alone try to break up the "treasure ships," and it is understandable that their "small ships" will be knocked apart first.

The "Zheng He Treasure Ship" can be said to be built by gathering all the most advanced technology and the most precious materials of the Ming Dynasty at that time, so that the "Zheng He Treasure Ship" can be invincible when it goes to the Western Ocean seven times, which fully demonstrates the majestic national prestige and military strength of the "Great Ming Dynasty"!

However, in the middle and late Ming Dynasty, there were "two lines" in the development of warships in the Ming Dynasty, on the one hand, the "warship model" of the imperial court's sailors, and on the other hand, the "Zheng Chenggong fleet". The difference is that the former was supported by the Ming government's financial allocation, while the latter, Zheng Chenggong, was privately armed.

Judging from the description of "Wubei Zhi", the main warship officially produced by the Ming Dynasty at that time, namely the "Dafu Ship", could reach 2,000 materials, which was almost equivalent to the displacement of more than 600 tons in later generations. This kind of boat, as well as the "bird boat" in Zheng Chenggong's hand, is the Dutch "Junk" boat (Ju

k), that is, there is a single or double "deck", which belongs to a large "three-masted sailing ship".

However, the number and quality of the guns carried by the official warships of the Ming Dynasty and Zheng Chenggong's warships are very different, for example, the weapons equipped with the 2000 materials of the "Dafu Ship" in the "Wubei Zhi" are: "1 'Hongyi Cannon' in the bow, 6 thousand catties of 'Franc Machine', and 3 ...... 'Wankou Gun'" The total number of guns is only 10 guns, and its firepower is quite weak, and the only thing that really has a huge destructive power to the hull structure is the "Hongyi Cannon" in the bow.

Although Zheng Chenggong's large warships are about the same tonnage, they carry more guns, and the number of guns is less than 24, almost all of which are "Hongyi cannons". Therefore, this kind of sailing ship was used until the "Opium War" period of the Qing Dynasty, and the Qing Dynasty sailors and the "sealed boats" of the Ryukyu envoys belonged to this type.

In the West, one of the most famous Chinese "bird ships" is the "Qiying", which was bought by the British in 1846, with a displacement of 800 tons, which is relatively close to the record in the "Records of the Armed Forces". At that time, the Chinese-style merchant ship "Qiying" had 9 gun holes on each side, that is, it could be equipped with 18 large guns.

However, at that time, the Westerners drew another "bird boat", which was also equipped with 9 cannon holes on each side of the ship, but this kind of "lucky boat"/"bird boat" was almost the limit of the "large warship" produced in the Ming Dynasty!

The "cannons" that can be accommodated here refer to the "Hongyi cannons", and I think that the "artillery" of the level of the "jack Franc machine" can be equipped with more. However, the power of this artillery is limited. The flagship-level warship in Zheng Chenggong's hands may be larger than the ordinary "bird ship".

Because Zheng Chenggong has a powerful and terrifying warship in his hands - "Daxi Ship". This is a huge warship with a "dragon fire" installed on the bow and stern of the ship, and there are "hair fires" on both sides of the ship. The so-called "dragon xi" is a large artillery piece salvaged from a wreck in the West.

Judging from the description of "Rongzi 24 catties", this large artillery should be a 32-pounder gun. The warship equipped with this kind of artillery can be regarded as the main battleship of the "Zheng Jiajun", and in the "Taiwan Foreign Chronicle", the "Daxi Ship" and the "Bird Ship" are juxtaposed, and they are not confused.

This shows that the "big boat" is already an independent ship type, and its tonnage should be larger than that of ordinary "bird ships", and each battleship is equipped with 32 "gunwales", that is, 16 "gunwales" are installed on each side, which is divided into two layers, upper and lower. However, a "cargo ship" is not a "warship", and usually has one gun in the front and one in the front.

…………………………………………………………

Haha, thank you for your attention, collection, recommendation, subscription and review of this book! As an author, I am very happy and honored to provide readers with a novel that meets the needs of the general public. As the saying goes, "Life is short, but the tip of the pen is slender." "Therefore, the road to cultivation is long, where to find immortality? There is nowhere to go for troubles, and read the people in the book! I hope that the novel "Heaven and Earth Let Me Go" series can bring happiness and insight to everyone!

This story is pure fiction, if there are similarities, it is a coincidence! Friends, the part-time job is hard, the time is urgent, the creation is not easy, like the collection, by the way, forward, want to know the plot? Next time I break it down! ("The book has its own golden house?") There are thousands of bells in the book? There is Yan Ruyu in the book"? Welcome to my book)