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The development of science and technology is sometimes common, just as in ancient times, the East and the West did not have the opportunity to communicate, but both invented ships.

This is the environment and needs to promote human beings to move forward step by step, in history the Chinese nation paid more attention to the competition for land, the only few times the three kingdoms were not considered sea wars, and the battle of Chibi was barely a little scale, and the result was also anticlimactic, and it was burned by others before the fight.

Perhaps it is precisely because of this that everyone does not value warships even more. The warships of the entire Song Dynasty are considered to be top-notch, just like the "Flying Tiger Battleship" made by Wang Yanhui, but they are just a few more beats, at best, they are just better than who shoots the opponent's ship first, and there is really no technology in it.

In the past, there was no demand and no one asked for it, but now Zhao Zhen artificially increased the requirements for them, but because of the limitations of thinking, they could not design the warship in Zhao Zhen's mind, and this turtle ship that should have appeared in North Korea more than 400 years later was slowly put together by them.

This thing seems incredible, but in fact, there are traces to follow.

The turtle boat was designed by Yi Sun-sin in 1591 when he was promoted to the post of Jeolla Left Naval Commander, and was completed in April 1592.

The reason why he wanted to build this turtle boat was because of the historical background, in other words, he was forced. Of course, it wasn't their emperor who forced him, but the Wa State who everyone hated it.

Because before that, Korea at that time was aware of the intention of the invasion of the Japanese state, and at this time Korea was in the period of the Lee Dynasty, the country was at peace for a long time, the armament was relaxed, and "people did not know soldiers for more than 200 years". And in the court, the parties are constantly fighting, tilting each other, and politics is becoming more and more popular. It was at this time of crisis that Yi Sunsin was appointed.

He was awarded the Naval Army Festival as the first line of defense against aggression, but the warship in his hands was simply overwhelmed, and he had no choice but to do it himself. However, North Korea has a special product - poor, what do you want, in this case, of course, you can't expect Yi Sunsin to make any tall things, after all, it is difficult for a good woman to cook without rice!

The conditions were limited, and Yi Sunsin racked his brains to finally design a relatively strong, flexible and lightweight warship, and the attack power was also passable, yes, it was the world's earliest armored warship built by North Korea. Because its shape resembles a turtle, it is called a turtle boat.

The armor on the turtle boat is a large and thick cover. There is a cross road on the cover that can be passed. Outside the crossroads, there are dense cones of knives, making it difficult for the enemy to climb. The sulfur flame nitrate is burned in the ship, which produces smoke, which is released through the dragon-shaped bow to form a smoke screen. There are about 20 firing ports on the left and right sides of the ship, more than 10 oars, and several entrances and exits. The entire cabin was divided into sections, which served as a command, an arsenal, and a rest room for officers and soldiers. There are also several cannons on the front, rear, left and right. The crew has about 100 people.

The main tactics of the turtle ship is to impact the enemy fleet and make it chaotic, so as to facilitate the attack of the subsequent warship, so there is a turtle shell-like defensive design.

Of course, the turtle shell of the warship designed by Wang Shenli and others was designed with the emperor's safety in mind, and they were not as swishy as North Korea, the whole design was much more domineering, with nearly 1,000 soldiers, and it was also divided into two specifications: rivers and oceans. The difference between the two specifications is mainly reflected in the size of the displacement and the structure of the bottom of the ship, the difference in size is at least more than doubled, according to Zhao Zhen's consistent pursuit of tall habits, Wang Shenli and others in the design, large is a very important reference factor.

The structure of the bottom of the ship is based on the opinions of those shipbuilders, and the flat bottom for inland rivers is more practical, and the sea should choose a pointed bottom to be more stable. As for the simple and practical design of the watertight cabin, it will definitely not be left behind.

Of course, they designed this thing, and whether Zhao Zhen can take a fancy to it has to be said separately.

The size of a wooden ship is largely limited by the keel, and before steel can be used, it is necessary to find suitable wood for the keel to build a large ship. But because of the arrival of Zhao Zhen, the steel process of the Song Dynasty has been greatly improved, both in terms of output and quality. Wang Shenli and others also thought of using steel to make the keel and the main part of the frame for this reason, as the core of the power of those gears are inseparable from steel, without these basic materials, others just want to imitate but only dry staring.

Finally, after correction, the Song Dynasty naval navy inland river warship was finally released, and the overall shape was relatively close to that of the turtle ship, and the size was about the same. Considering the depth and width of the two main inland rivers, the Yellow River and the Yangtze River, this batch of warships is relatively small, about 30 meters long, about 5 meters wide at the end and about 8 meters wide in the middle, and is full of more than 100 soldiers.

Wang Shenli and others felt that the enemy's long-range attacks were now nothing more than bows and arrows and stone throws, and in order to reduce the weight of the ship to the greatest extent, only a layer of iron sheet was covered on the bracket and the top, and the main body was still wood.

After the first batch of warships was approved by Zhao Zhen, the construction of the royal naval army yard on the edge of the capital was also started.

It is worth mentioning that Zeng Gongliang and Ding Du made full use of Zhao Zhen's "ferocious" instructions to arm the warship to the teeth. They equipped each warship with six "Divine Invincible Sky Cannons" - this is Zeng Gongliang's name, but Zhao Zhen is still used to calling it a ballista.

This "Brave and Invincible Sky Cannon" can be regarded as Zeng Gongliang's proud work, Zhao Zhen did not point him out, but he himself had a sudden inspiration after watching the grenade test.

"If the grenade is so powerful, why don't you throw it farther?" With this question, Zeng Gongliang and Ding Du began their own path of exploration. The first thing that came to their mind was a ready-made catapult, which was used to throw stones anyway, and it was not a matter at all to throw this grenade, which weighed only half a pound.

Do you think that will be satisfied with them?

No, they felt that throwing grenades with catapults was completely overkill and did not reflect its value. So, the two of them specially made a large grenade, weighing ten pounds, and with the existing large catapult, it was worthy of throwing less than 500 meters. Although this distance is a bit unsatisfactory, but the power is really speechless, the test almost didn't scare the two of them stupid, even Zhao Zhen in the palace slipped from the chair to the ground, and the Beijing Forbidden Army had to give up after finding out that the incident was in the forbidden area.

Later, there was a poem: There was a flat thunder, and a ten-foot pit appeared, and all living beings trembled, lest everyone be shocked.

Due to the news blockade, the people of the Great Song Dynasty did not know the reason for it for a long time.

Zhao Zhen later knew the reason, and he also felt helpless, the power of firearms At this time, ordinary people really can't accept it, so they have to find a more private place away from people - the cave is a good choice.

Zeng Gongliang and Ding Du are famous figures in history after all, although they were frightened for a while, they did not give up after relieving themselves, but were impressed by their unintentional feats, and even fantasized about whether they would go to Beijing in Liao one day, but looking at such a big catapult in front of him, he had to resist the impulse in his heart.

Zhao Zhen originally wanted to guide them to make cannonballs after a while, but he didn't expect to be inadvertently made by Zeng Gongliang......

Do you think this is the "Invincible Bombardment Cannon"? That's a big mistake, Zeng Gongliang called this thing "Brave and Invincible Thunder". Well, I can complain here, the young man is so keen on "brave and invincible".

Of course, he did plan to use this to show off Wang Shenli at first, but he was criticized by others for being incomplete. You don't even look at how heavy your catapult is, how big it is, the boat is so big, you don't have to do anything to install one of yours.

Otherwise, Zeng Gongliang is also a more and more courageous master, although his beloved works have been criticized, he is not discouraged: "I will want you to prove how great your creativity is!" We'll see! ”

Next, Da Song's other projectile weapon, the bed crossbow, slowly approached his field of vision, compared to the catapult, the bed crossbow can be regarded as small, and a few people can carry it around.

"Look what you say about me this time, huh!" Zeng Gongliang directly asked Zhao Zhen for a warrant, so he went to the arsenal to drag a bed crossbow back, and improved the launch slot appropriately, so that it could be used to fire his beloved shells. Having learned the lesson of the last time, this time he did not make a 10-pound shell as soon as he came up, but first tested the appropriate weight with a stone, and then replaced it with a three-pound shell to test a few rounds.

After several modifications and adjustments, his "Invincible Sky Cannon" really took shape, after testing, the maximum range reached about 400 meters, the effective killing radius of 20 meters, wearing armor is another matter, but it is more than enough to deal with the existing enemy.

These two things that Zeng Gongliang came up with used as heavy artillery and mountain artillery for a long time later, further enhancing the long-range lethality of the field army, and they were also the main means of attack of warships.

He originally planned to fill Wang Shenli's warship with his beloved "Brave and Invincible Sky Cannon", but he was simply sentenced, "How many cannonballs do you have?" "Pushed back. Who let the current gunpowder production not keep up with the rhythm, and the construction of bridges and paving roads everywhere still accounts for a part, there is no way, so I have to save some use.

After unanimous discussion, it was finally determined that a warship should be equipped with six aircraft, two on the left and right, and one "Invincible Sky Cannon" that could rotate at the bow and stern, so that the number of ballistas available on a single port reached four, which was still enough for inland river warships. Coupled with the assistance of crossbow arrows, the dragon's head breathes fire, and the dragon's tail slaps, and it is a hedgehog alive.

After a few months, under the wise leadership of the emperor and the ministers of the DPRK and the central government, with the close cooperation of various departments, and with the earnest care of all leaders, the first warship of the Jiangfang fleet finally appeared on the Yellow River and began its first sea trial.

"Yikes! What a big turtle in the middle of the river! Passerby A suddenly pointed to the middle of the river and screamed.

"What are your eyes? Have you ever seen a turtle with a dragon's head? It's obviously a dragon tortoise! Passerby B retorted unceremoniously.

Zhao Zhen was also playing a private interview with Weifu at the moment, and these voices of discussion happened to reach his ears, and he looked around, "Nima, it's really a turtle...... Oh no, dragon tortoise! I'll it, they won't make my 'Tiansheng No. 1' this thing too! ”

Thinking of this, Zhao Zhen couldn't help touching the sweat on his forehead, "I am a dignified Song Tianzi, and I can't be laughed to death by others for such a thing...... No, no, it's better to go back and draw a drawing yourself! That's right, that's it! ”

Zhao Zhen is entangled in himself, Wang Shenli and the others can't control it, at this time, the word bastard is not popular, they don't think there is anything wrong, but they move forward and backward in the middle of the river for a while, and sometimes they rotate 360 degrees in place, and they have a lot of fun.

"It's ugly, it's ugly, but this flexibility really doesn't have to be said, let them go!" Zhao Zhen expressed his emotion and hurried back to draw his own drawings.

Zhao Zhen waved his pen in front of his desk, with a solemn expression, and after finishing, he picked up the drawings himself and examined them, "Well, not bad!" I didn't expect that I still have a talent for painting, which is worthy of praise! ”

"Your Majesty!"

"yes, when did the gentleman come?"

"For a while, I saw that you were too involved to bother you!"

"You're here just in time, I'm going to look for you, by the way, what's the matter with you looking for me?"

"Your Majesty, it's a good thing! You let us get the warship ready, and today we drove to the emperor and tried it, and the effect was very good......"

"That's it! I happened to see it today, so it's so-so! Continue to work hard in the future, I am optimistic about you! ”

"Emperor Xie!"

"Come on, come on, look at the drawings I draw, I thought about it, you still make my car look more powerful, what do you think?" Zhao Zhen patted him on the shoulder and invited him to enjoy his masterpiece together.

"Your Majesty, why do you think you look like a dragon?"

"That's right! I plan to build a big boat 100 meters long, 20 meters wide, and 10 meters high, with a dragon head in front and a dragon tail in the back, five oars, and then decoration, isn't this a five-clawed golden dragon! How good you look! Zhao Zhen said while imagining the scene of himself sitting on this dragon-shaped ship, how wonderful!

"Your Majesty, the minister didn't hit you, it's good that your boat is good, but isn't it a little ...... for such a big man on the Yellow River?"

"Who said that I want to play on the Yellow River, I am a real dragon emperor, of course I have to swim in the sea! So happily decided, when you finish building the ships of the river defense fleet, you will build one for me to play! ”

"Alright! You're the boss, and you're in charge! ”