Seeing this, Ren Yan immediately rolled his eyes at the other person.
“Have you ever played with a paper boat?”
"After a piece of paper is folded many times, even the gaps can be waterproof, let alone wood."
"and..."
"Everything you built before was called a keel and a rib..."
"Have you ever seen a creature with bones growing outside? It's not a shell, so of course it must be growing inside the body~"
"Can you use your brain?"
"You mean, the outline of the ship needs to be wrapped up? Including all the keel ribs and so on?" Wang Bo asked in surprise.
Ren Yan nodded: "Not entirely. At least the spine of your main keel must be exposed. It is the main body of everything and the main heaviness. It cannot be wrapped inside the hull."
"But the other ribs are the support for the 'flesh' of the ship. The flesh needs to grow on them."
"Besides flesh and blood, what else? We need a layer of keratin and skin. Only in this way can we truly prevent all foreign objects from entering our body."
"So, the hull of the ancient ship was not just one layer."
"Sometimes, the name of an object can fully understand its use. You have to think more about it. Don't just see the image in front of you, but discover the inner meaning."
"But... can the two-layer hull structure really be floated by the sea and supported by the keel?"
"They're not even a heavyweight."
"Besides, even if there are two layers, won't the necessary gaps still exist?"
"The boat made of paper is a whole. Strictly speaking, it has no gaps."
In the end, Xu Kai asked this question with confusion.
He really couldn't figure out how he did it.
Hearing this, Ren Yan sat up from his chair, picked up a piece of wood with some bark still on it, and carefully put it away:
"See? Something as rough as the bark can prevent moisture and protect the trunk inside. The reason is that there is a layer of connection between the bark and the trunk."
"Just like our skin, since we can't make direct contact, why not add another layer."
"A layer of something that's mainly there to keep the water out."
"Haven't you done this before?"
"You mean, gum?" Xu Kai was stunned.
"What else?" Ren Yan threw away the wood.
"It has two layers, with a special waterproof layer in the middle, and the inside and outside are connected with mortise and tenon joints, leaving a certain amount of space for the intersection, and then painted. Wouldn't it be possible to completely isolate the seawater?"
“After that, as long as we conduct regular inspections and make repairs, it will be able to operate for a long time.”
"There are so many wonderful things in the universe, any one of which can broaden your thinking. Don't always think of solving problems in a set way."
"As for the weight issue you just mentioned, that depends on your choice and calculation of materials."
"As long as the overall conservation is maintained, the ship cannot sink."
After saying that, Ren Yan threw himself into the recliner again, flipping through his phone and looking for opportunities to test sail a boat.
By the way, I asked about the specific time of the invitation sent when I first arrived at the warehouse.
He really feels that he is stretched to the limit on his own now.
This is only the second step of shipbuilding, and Class 9 has encountered so many problems.
I can only give a general idea at best. If I really want to go into every detail, it is definitely impossible.
and....
Thinking of this, Ren Yan glanced at the full warehouse.
Now this warehouse is really a bit small...
As for the people in Class Nine, they were slightly stunned.
He stared in a daze at the piece of wood that Ren Yan had thrown away after he had peeled off the bark.
Such a hull problem can really be solved with just a piece of wood?
They always found it a little hard to believe, but after simulating it in their minds, they felt that this method was really feasible.
The principles involved are simple and direct.
It's just comparing a ship to a living creature and the hull to the skin.
What they have to do is to add layer by layer to this metaphor, strictly in accordance with the appearance of the "organism" in their minds, so that it can slowly become a "living thing".
This suddenly gave them a sense of "creation" rather than simple construction.
At this moment, the students in Class 9 completely changed the preconceived notions in their minds, and more clever ideas gradually began to brew in their hearts.
They know how to build this hull!
After thanking Ren Yan, Team 9 returned to work.
Following the instructions just given by Ren Yan, I started the new work.
First of all, there is the issue of material.
Since two layers are required and special bonding is needed in the middle, the material should be chosen based on lightness and toughness, while also taking into account the degree of adhesion with the gum.
After various experiments and practices, the surveying and mapping team finally chose pine wood.
This thing is known as an evergreen tree. It has excellent toughness. At the same time, due to its unique material, the wood is compact and light, and it also bonds well with the gum.
It is considered to be the most perfect wood material available today.
As for the mortise and tenon joints that will be needed later.
The production team also came up with a new method, since the dragon bone type mortise and tenon joints could not be used.
They simply started thinking using the way of thinking that Ren Yan had just taught them.
A small specially treated pin is added to each mortise and tenon joint as much as possible, so that it can not only provide a precise connection but also play a role in dissipating force.
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