Rising: Ten Thousand Years Chapter 320: ：Shaping

It's just a verbal discussion, and it's impossible to discuss why.

Li Zhen took a picture of the lesson plan, and Lang shouted:

"All theories are not straightforward in practice."

When everyone heard the words, they stopped talking.

Li Zhen said: "We can make both single-wing and double-wing planes. Then we can conduct experiments?"

Everyone: "But the engine..."

Li Zhen waved his hand: "Let's ignore the engine first. Let's make the unpowered frame first... Have you ever flown a kite?"

After the voice fell, everyone's eyes lit up.

"Ha ha ha."

"Yes. Kite."

"Fly a kite."

"I know what it means."

"What Master Li means is to make the frame first, and then pull it with a rope, a steam car, or a horse. It's like flying a kite into the sky."

"Hey, why didn't I turn the corner. What's the use of verbal discussions, this is a science that requires trial and error and countless experiments to reach a conclusion."

“…”

It is better to do it than to say it ten thousand times.

A very simple truth.

No one has experience, and no one has seen what the real plane looks like, including Li Zhen, who has only described it verbally by Zhang Zhi, and then imagined it in his mind.

Just do it.

Kyushu Academy of Sciences is not short of money. Under the call of the Aviation Academy, the internal studios began to take action.

As for the material.

Don't think about metal materials for now.

Airplanes made of metal are not of the present age.

Because the engine power is too weak, even if the radial reciprocating engine comes out, the estimated theoretical power is simply not enough to drive the metal fuselage.

After repeated discussions, Li Chen decided to use wooden materials to complete the fuselage structure of the aircraft.

Using wooden materials to build the fuselage structure will make the job much easier. Wood is the easiest to mold, and the easiest to sand, with the help of a steam tool, in the condition of the existing drawing. In two days, all the parts needed for the aircraft were polished.

The best workers grind the parts. The greatest artisans are responsible for giving plasticity to wooden materials.

Li Zhen and the others took the blueprints and continued to analyze and dissect the internal structure.

Written a number on the drawing with a pencil, Li Zhen said:

"In general, the wooden structure is still unable to withstand the pressure of the wing."

Lin Xiufeng frowned and nodded: "Master Li is right. You can't use solid wood for wings. Solid wood is too heavy. It's so heavy that you can't fly without even thinking about it. Unless there is super powerful power as support, it is obvious that at present we The world's largest power engine is derived from a radial reciprocating engine. Unfortunately, this engine has not yet been successfully developed. Power limits development..."

Liu Jinghong was also extremely embarrassed, he did what he said, and did it as soon as he slapped his head. It's simple to do.

Great carpenters sand the wings exactly as they want, with little effort and with millimetre-accurate accuracy. But the problem was that the problem started when the preparations to build the wings started.

The solid wood wings are not enough to fly at all, they are too heavy. Theoretically, the thickness of the wing can be thinned to reduce the weight, but the principle of conservation has proved that reducing the thickness reduces the strength.

What should I do then?

Li Zhen slapped his head: "There is a way, and we need to try it boldly."

"How?"

"We use steel pipes or metal pipes to build the shape frame of the wing. Then cover it with canvas or tarpaulin."

Liu Jinghong frowned: "Oilcloth? Canvas? Cloth? This... can this work."

Lin Xiufeng's eyes brightened: "This method is good. The metal frame has enhanced strength, which is stronger than the solid wood wing. And covering it with canvas tarpaulin has reduced a lot of weight. This method Well, I think it works."

Li Zhen said with a smile: "In the frame made of steel pipes, iron bars are used to connect the opposite corners, so that the strength of the wings is greatly guaranteed. Even if the fuselage falls apart, the wings will be fine. of."

“…”

Just do it.

Li Zhen still underestimated everyone's passionate fantasies about aviation dreams.

As soon as the wooden wings were abandoned, steel pipes were used to replace the wings. Thumb-thick steel pipes were heat-pressed and heavily pressed to shape the shape of the wings.

The latest achievement of the Institute of Electromagnetics using alternating current - electric welding technology, supports the connection between metals.

After half a day, the wings are formed. When the wing frame was placed in front of everyone, at that moment, everyone had such confidence that it could fly.

The wing frame with a total length of ten meters and a width of three meters has a total weight of only over 50 kilograms.

The weight was restricted, and everyone began to feel hope. Maybe, it really works...

Because the drawings of two different models have been drawn long ago. The Kyushu Academy of Sciences is supported by industry, capital, and manpower. In just two and a half days, all the parts needed for two different types of aircraft were built.

It's like playing a jigsaw puzzle. No, it's more like playing a game of building blocks.

Even Li Zhen went into battle in person and began to assemble it.

"The wooden fuselage, we need to use steel wire to fix it."

"Try not to use rivets and screws. They will break the durability of the wood."

"Use steel wires to fix and pull. Although there is a risk of falling apart, there is no better way to solve it now."

“…”

The monoplane weighs 306 kilograms.

A biplane with a total weight of 410 kilograms.

When the two formed planes appeared in front of everyone ~IndoMTL.com~ Li Zhen couldn't help shaking his head and sighing.

No matter how constrained it is, when the final product appears, the weight still exceeds the expected limit.

Under the command of Li Zhen, everyone began to cover the wing frame.

First brush a layer of glue on the frame, and then everyone carefully pasted a layer of paper on it.

Yes, it is paper. It is the kind of paper used in books, but it is slightly stronger than that kind of paper, so it is good paper.

Of course, the wings cannot be made of paper. This is just the first layer.

When the paper is firmly glued to the wing and soaked in glue to dry. Another layer of glue was brushed on the paper, and everyone began to cooperate to wrap the silk on it.

Then brush another layer of glue on the silk and let it dry again.

After the silk is dried, the wings are no longer frames, but real wings. It looks like it can fly.

But this is only the second process.

The silk was covered with glue again, and the thinner canvas was posted on it again. After the canvas was completely glued together, Li Zhen and others wrapped thin steel wires around the wings to secure all three layers of materials.

There are three processes for the wings of an airplane.

The first layer is paper. The second layer is silk. The third layer is canvas.

The strength is enough, and the weight is not too heavy.

After the glue inside the wings was completely dry, the frames of the two aircraft without any power facilities were formed.

A wooden monoplane.

A double-wing wooden aircraft.

The length, width and height specifications are all the same.

Standing in front of the two planes, Li Zhen suddenly became a little bit more energetic.

In a trance, it seems that I have returned to the time when I developed the steam engine with them...

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