I, The Identity of the Immortal Master, Has Been Exposed

Li Shimin's face turned black, and Ying Zheng was so angry that his nostrils were smoking.

This kid, isn't this what Ye Yu taught him, why did he use it on himself?

"You bastard, hurry up and say it!" Ying Zheng slapped Hu Hai on the forehead, and said angrily, "If you don't understand the widow, let Wang Ben beat you from a tree!"

Hu Hai shrank his neck at first, but he became active again when he thought that he could pretend to be in front of several emperors.

He took out the usual Ye Yu's appearance when he taught him, and pretended to say: "The reason why the boat floats on the water is because the water has a buoyant effect on the boat, and the buoyancy is often equal to the gravity of the water that the boat displaces!

"Wooden boats are light in weight and small in size, and their gravity to displace water is small. Although iron boats are heavy, their volume is also larger, and the greater the gravity of the water they displace, the greater the buoyancy, so it can float in the same way as a wooden boat. On the water, even on the water, it is more stable than a wooden boat."

"Speak human words!" Ying Zheng frowned, completely ignorant of what Hu Hai was talking about, about drainage, and about gravity. He had never heard of it.

Li Shimin and Chongzhen were also confused, completely ignorant of what Hu Hai was talking about.

"Illiteracy!" Hu Hai's face froze, and the complacent look just now disappeared. In fact, all the dry mouths that he just said were actually playing the piano to the cow?

But this is the simplest explanation, and they still don't understand it. How can I explain it? Is it difficult to start with understanding physics?

"okay."

Ye Yu got up slowly, led Ying Zhengjie and the others to the river, threw an iron basin into it, and then stretched out his hand, and stones of different sizes flew up and down from the ground - and fell into the basin .

Ying Zheng and the others watched Ye Yu's movements intently. Whenever they thought that the iron basin would definitely sink into the water, the iron basin just swayed twice on the water surface and then floated up, but the draft was deeper.

"Did you see it?" Ye Yu pointed to the iron basin on the river and said: "A solid iron block will definitely sink into the water, but the contact area between the iron basin and the water surface is large enough, no matter how much it can withstand. Weight, as long as the draught is deeper, it proves that the buoyant force it receives is greater, and the ironclad ship is also a reason, as long as you don't make it solid, it will not be able to sink."

"Imagine, if you put the stainless steel forged warship on the top and bottom of the Daming Treasure Boat Pot, equipped with more than 100 artillery pieces, isn't this where you want to go?

Ying Zheng and the others nodded. Although they still didn't understand the principle, the experimental phenomenon was clearly presented in front of them, which proved that the ironclad ship could work! 35

"Build, this ironclad ship must be built!" Chongzhen slapped his big leg and said excitedly: "Sir is right, once this ironclad ship is built, it will be a weapon for us to fight, then the European countries will never be mine. Rival! 99

"Don't worry, sir, after I go back this time, I will decree that the people in the shipyard will work overtime, and we must come up with a plan for the manufacture of ironclad ships!

Li Shimin also nodded again and again: "Yes, it just so happened that I also built the treasure ship of the Tang Dynasty. After I go back, I will let these craftsmen remodel the treasure ship, and it will be of great use in the future!"

"About this ironclad ship, you can come step by step." Ye Yu smiled and brought Chongzhen and the others back to the pavilion and sat down. Diaochan immediately brought a cup of tea to Ye Yu.

Ye Yu glanced at her in surprise, and then said slowly: "In the beginning, you can let the craftsmen build a piece of iron plate, and then move forward on both sides of the treasure ship, just like putting on armor, which can protect people. Carry out an artillery attack.

After the craftsmen are mature, they can try to make a real iron armored ship. This thing is made of real steel without a single piece of wood, and it is more difficult to manufacture.

The most difficult part of this is how to make a piece of iron plate tightly spliced ​​together and whether there is any crack, because it is made of steel, the traditional tenon-and-mortise structure is no longer suitable for it, and only hot riveting technology can be used!"

"what?"

"What technology?"

Ying Zheng and the others were stunned. Today, Ye Yu kept popping out some strange words, they couldn't understand it.

Chongzhen frowned, he tried hard to figure out what Ye Yu said, but unfortunately his culture limited his cognitive level, even if he racked his brains, he couldn't figure out what Ye Yu said. mean.

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Ye Yu said with a smile: "Hot riveting is a technology that combines two difficult-to-splicing things together.

When you make steel molds, you can make certain holes flow out, and then pour hot molten iron in them. After the molten iron solidifies, the holes will be blocked, and the two iron plates will be combined together. Afterwards, a certain amount of grinding will be performed. The iron plates are spliced ​​together, and in this way, a giant steel ship that can sail on the sea can be cast.

"So that's how it is...'

Chongzhen slapped his big leg: "I thought how difficult this hot riveting technique is, so that's it?"

"Hahaha, I didn't expect that the construction of this ironclad ship would be so simple that it doesn't even use the mortise and tenon technique. Isn't that a big ship made of wood even simpler?

Li Shimin and Ying Zheng exclaimed repeatedly, their eyes filled with strange colors.

To say that a large ship made of wood can sail on the sea, this technology is not ordinary.

The first is the selection of materials. The wood must be tight in texture, without any wormholes and worm eyes, and the quality should not be too large.

Then, wash and soak with tung oil to ensure that the wood will not rot and deform due to the corrosion of seawater. Finally, the wood must be spliced ​​together with the mortise and tenon technique, and there must be no gaps left.

Therefore, even if the shipbuilding industry in Ming Dynasty is developing, it will take several months for a shipyard to work around the clock to produce a giant ship.

But the ironclad ship Ye Yu said, neither need to choose the troublesome materials, nor soak in tung oil to dry, just build it with steel, as long as the amount of steel is large enough, the steel ship will be like dumplings every month. Make it!

"Hahahaha, sir, this is a great way, I have decided that this wooden ship will not be built, and the steel giant ship that I started to build is about to let the giant ship that I returned to the large ship run rampant on the sea, taking all the land in My Hand of Tang Dynasty! 39

"Brother Shimin, you are being bragged, my Daming's shipbuilding industry is the most developed, and this giant steel ship must be the first to be built by my Daming!

"You guys are building wooden boats. This is the first time for everyone to build an iron boat. This time I, Tang Dynasty, will not be left behind!" Six.