89 - 04-05 Gearbox, Magic Turbine, and





The next morning, Jin woke up and started to make gears after breakfast.

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First, he made a straight gear as a standard.

Adamantite stretched into a strip is prepared. Then, the gear teeth are made. The module (size of the teeth) is not a concern. It's just a standard for the human body.

"This is about right."

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Since it will be used for a car, it needs to be strong, but considering that adamantite will be used, a smaller size seems to be okay. Since it is easy to make it bigger, I decide to start with the smallest one I can make.

I will make 200 teeth that are the same as the one I made. This is no problem.

If we put them in a row facing each other, the distance between the teeth will naturally become constant.

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"Okay, now if we < one of them with the strip, we have ......!"

The straight tooth rack is complete.

"Now we need to make a rack with the desired number of teeth to match this. ......Yes, it worked. And then, round it <>. Now you have the outside of the gear.

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At this stage, you have a gear with the desired number of teeth, and the tooth part of the gear is made. In other words, it is a donut with teeth.

"Now we just need to fuse the material to fill the inside of this circle. Got it!"

A spur gear had indeed been created in front of Jin's eyes.

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Jin made another gear with a different number of teeth, and tried meshing the two together. They meshed so beautifully that Jin felt like dancing.

If he can make a spur gear, he can manage to make a bevel gear. However, they are limited to bevel gears with the same number of teeth.

Still, the ability to change the direction of rotation by 90 degrees was appealing, and the variety of machines that Jin could make quickly expanded.

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"All right, let's make a car!

The chassis was again made of light silver, and the engine was a four-cylinder engine, or rather a four-cylinder engine. He also made rubber tires, and spent the entire afternoon building the car.

"Yes, yes, it's comfortable.

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Since there is no transmission, the car is operated only with the accelerator and brake. It is not an automatic. This is possible because the output of the Golem engine is flat.

After driving around for a while on the flat land in front of the institute, Jin came down to the car with a satisfied look on his face,

"But father, I think the golem horse is more versatile.

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"Huh?"

For a moment, Jin does not understand Reiko's question, but then he quickly realizes what she means.

An airplane is a magical jet propulsion engine (magijet engine). A ship is a Magi water jet propulsion engine.

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So, Hitoshi thought that land is a golem engine, but the roads in this world are not only unpaved, they are not even well cleared.

In such a world, how many chances would there be for automobiles?

"Hmmm, I wonder if it will be self-satisfying. Well, let's just use it as a foot in this island.

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So,

"Reiko, take Topaz's initiative and build a network of roads around the island. The surface doesn't have to be paved, but it should be solid to prevent weeds and to allow us to carry heavy things.

"Yes, sir. Can we prioritize major facilities such as Tatumi Bay, the fields, and the airport?"

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"Yes, that's right.

Since an airport for airplanes had been built, it was imperative to improve the roads. Large warp gates have been installed at various locations, but roads are still necessary.

"Ah, I'm hungry.

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It is already dark.

"Father, I cooked dinner tonight.

"Oh, Reiko did, that's exciting."

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Soleil and Luna were busy mass-producing planes and ships, so Reiko was in charge of cooking for Jin.

"Isn't that white bread?"

"Yes."

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Reiko peeled and ground each grain of wheat by hand and baked it with the flour.

"Yes, it's good."

Jin eats the bread and drinks the vegetable and fish soup. After all, bread without the crust tastes good.

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"I'm sorry we haven't found rice yet," he says.

"No, I know. No, I know. I don't ask for what I don't have. I'll have to look for it on my next trip to the West.

We could not find rice in the port town of Potrock. Jin hoped that there might be something different and rare in the west.

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It was the seventh day after returning to Horai Island.

Let's make a turbine anyway.

With this line, Jin's day began. The principle is quite simple. All you have to do is place an impeller in a sealed container and use wind magic to rotate the impeller.

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If the wind is circulated well, there is no need to draw air in from the outside, and air does not leak out. So it was very easy to make.

"Oh, I knew it had a high rotation speed.

In short, because it is a wind turbine, the rotational speed is high. But the torque (rotational force) is not as high as that of the Golem engine.

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"Well, it will be useful for something if we make it.

It is fun to make them.

Reiko is also chewing on the meaning of her existence at Jin's side.

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The data of Jin's works are stored in Reiko's mind, organized and saved so that she can make a duplicate at any time. It is an auxiliary storage device for Jin.

"Father, what happened to your story about making weapons?"

And like a secretary, she points out what Jin has forgotten.

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"Oh, you mentioned that. We needed it as a defense force."

Jin thinks about it.

"Like a blade of water current (water jet), a flux of light (laser), or electromagnetic induction (induction). ......"

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After much consideration, we decided to install lasers as standard equipment.

The reasons were that it could easily be made non-lethal by changing the intensity, the defensive methods were limited, and it was easy to aim and difficult to dodge.

"All right, let's make it then.

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Reiko immediately asked me to get the materials and we started to make it. The construction is simple. It is shaped like a thin flashlight, and the Magi Formula is written inside.

"Now all we need is the authentication.

"Father, what is authentication?"

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Reiko asked, not being familiar with the word.

"Oh, for example, if someone takes it from me, I'll make sure that he can't use it.

Without Jin's magic waveform, the device will not work. I named it "Certificate".

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All of Jin's golems and Reiko's golems have inherited Jin's waveform, so they can be used without any problem.

"That's it."

The prototype is complete. It looks like just a tube. He didn't make it a pistol.

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"Let's try it out."

He went outside the institute, aimed at one of the rocks piled up at the edge of the square, and fired a laser.

A needle-thin beam of light came out and penetrated the rock in seconds.

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"Okay, that's a success," he said.

Saying this, he changed the setting slightly and fired again. This time the beam was a little more diffused, and although the range was shorter, it vaporized the rock it hit in no time.

"This is dangerous. I can't let you use it except in an emergency.

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So I decided to come up with another less powerful weapon.

"Paralysis .........right...a stun gun!"

When I first met Beena in the Blue Lands, she was carrying a . We know that such a magical tool exists.

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"Okay, I'll make something a few steps better than that!

Jin is determined,

"Father, it's almost noon, so please have lunch first.

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Reiko tells him to go to the museum instead of the laboratory.

"So Soleil made lunch today?"

The menu consisted of toast, Citran marmalade, salad, and a fried egg. It was a bit like breakfast, but Jin didn't mind and ate it.

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"Thanks for the food.

As soon as he finishes eating, he heads for the laboratory.

"As usual, your father is so blind when it comes to cooking, isn't he?

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Reiko quickly followed Jin for support.

The stun gun was easily completed. Having seen the paralyzing wand before, he had compensated for its shortcomings and made it more efficient.

It looks like a wand about 30 cm long. And another two types in the shape of a baton were made. The wand is for personal use and the baton is for security.

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The wand is made of light silver and the club is a composite of adamantite and mithril silver.

"Now let's make an army.

Jin said, and made 20 golems and named them Land 1 to 20.

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With this, Horai Island now has an army of land, sea, and air.