After Elsa's birthday party, everyone was having a leisurely chat.

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"Jin, you seem to be buying a lot of light silver.

　Reinhardt asked with a somewhat expectant look on his face.

　Reinhardt knew that Jin had been buying large quantities of light silver, the price of which had recently dropped.

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"Ah. The price has been falling since the refining magi-machine seems to have become popular.

　Another reason for this is that they are hoping that buying light silver here will lead to an increase in the production of refining machines.

"So, back to the subject, what are you making?"

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Airships for the World Guard.

"For the World Guard?"

　Reinhardt asked in return.

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"Yes. I'm building it based on the improvements I heard about the other day."

"What's it like?"

"Seeing is believing.

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"I'd like to see it!

　Jin and Reinhardt move to the back of the laboratory.

　There they find a huge structure.

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　It is a huge tent, 100 meters by 100 meters and 50 meters high. It is a huge tent.

　The framework is made of thin but strong light silver, and the covering is made of cloth woven from the threads of a ground spider, making it stronger than most buildings.

　Ships are built at the dock in Tatumi Bay, but airplanes and airships are built here.

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　When Reinhardt entered the building, he was astonished.

"Wow, this is amazing!

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　Jin is building a catamaran airship.

　The air sac section is 50 meters long, longer than the Conlon 2. However, it is slightly slender, with a maximum diameter of 10 meters.

　They are connected with a distance of 20 meters between them.

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　When viewed from the front, the air sacs and cabins are arranged in an isosceles triangle.

　Of course, the cabin is suspended downward.

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"The longer length is to prevent pitching and yawing, and the twin air sacs are to prevent rolling."

　The twin air sacs are a countermeasure against the yawing that Pascoe-Rasch said was caused by the large amount of swaying.

　In addition to the sway itself, the period is also related to the comfort of the ride. Generally speaking, the larger the period, the slower the shaking.

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"If it shakes slowly, it would be easier to take measures to counteract the shaking.

　Since the golem is the main control system, the reaction speed is several to several dozen times faster than that of a human, which is more than enough to cope with the situation.

I see.

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"The reason I made it slender is to reduce aerodynamic drag and make it more resistant to strong winds."

　I don't know how effective this will be," Jin added.

"And the catamaran design was also to increase the payload capacity."

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　This was also pointed out.

　It is also equipped with wind thrusters for flotation and overloading.

　<, but its speed is expected to increase by about 20%.

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"So, it's not coated yet?"

　The airship in front of me was in a skeleton state.

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"Oh, that's right. For the covering, I have sent them to the Shoro Kingdom to buy , but it seems that they are having difficulty in getting the right amount of it.

　GSS is imported from Mitsuho and is expensive. It costs as much as 100 tokens (about 10,000 yen) per square meter.

"Hmmm, how much would it take to cover all these air sacs?"

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"I did some rough calculations, and two air sacs would be about 1,570 square meters."

"That would be ......157 million dollars."

　That's about 15.7 million yen, which Jin can afford. It would be better to spend it instead of saving it to stimulate the economy.

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　However, it is still a bad idea to waste money.

"I see, so you're using only materials that are available to the public.

I see.

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What about the name?

"Well, how about ......<?"

　But Reinhardt dismisses this as too easy.

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"Well, I'll take my time and think about it."

"Well, I'll take my time and think about it," said Reinhardt. I'll think about it slowly. ...... No, I've seen some good things.

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　Reinhardt and Jin went back to the main dining room of the institute.

"Oh, Jin, just in time.

　Erza found Jin and came running to him.

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"What's wrong?　What's wrong?

"The old man asked me to order a trimaran from Ms. Marcia."

"What?　Oh, I see.

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　<.

　In short, they are backward compatible with the series used in Horai Island.

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　Ordering from the private sector will bring economic benefits, and above all, it makes sense to order from Marcia's workshop, which recently won the .

"Oh, at my place?　That's fine, but what are the specifications?"

"Well, we can work out the details later, but it should be between 7 and 10 meters long, with a seating capacity of 5 to 10 people. Aqua thruster propulsion with a maximum speed of about 70 kilometers per hour.

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　Marcia thought for a moment before opening her mouth.

"We built a new dock this year, so I think we can make it to 10 meters. But we are too short on manpower. ......

"Then I can temporarily loan you a <> for a year or so, and you can train him during that time. ......"

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"Oh, that sounds good. So, how many?"

"Two to start with, I think."

"Then the hull could be done in a month. But we've never handled an aqua thruster before, have we?"

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"Yes, we have a craftsman who can handle that."

"Then I'll take care of it.

"I'll take care of it." "Makina will go to Potlock for more details. ...... tomorrow, okay?"

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"Yes, okay."

　Thus, Marcia's workshop is to manufacture a new trimaran.

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"Do you want to order a large ship from the Shoro Kingdom?"

　Elsa asked.

"Well, it would be nice to have a ship on the level of ......<>, but there seem to be a lot of restrictions if it is made of wood, so we should build it at the dock in <>."

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"That might be a good idea."

　This one will be a 50-meter class ship. The image is that of a destroyer.

　< is a man-made island, air and sea defenses will be crucial.

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　It is decided that three destroyers will be built on .

　The materials are to be used from the Moon.

"What are the specifications?"

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　Reinhardt had arrived before they knew it.

"Will the crew initially be golems?"

　And Stearina joined in.

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"I think so at first. Then we'll train the crew and eventually we'll have a ......."

So the instructor will be a golem too?

Yes, that's right. We don't have to force them to be automata. ......

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　We had a nice conversation like this.



　< and were steadily underway.

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