Magi Craft Meister

The eve festival is over and Jen and Elsa indulge in a suite for national guests in the royal castle.

"... you had a reasonably good day"

"Mmm."

There's a knock.

"Yes."

When Reiko opened the door, it was Prince Ernest and his samurai Lila, Lotte of the Golem, who stood.

"This, Your Highness."

Jen and Elsa also took their seats to welcome Ernesto.

"Jin, I just wanted to talk to you for a minute. Right now, okay?

"Oh, fine."

"Well, then, Grandpa Shizu"

Only the third prince of Frank Ernest. But its height had grown to as much as Jen's, and her face had grown a little.

"Happy marriage, Jin, Elsa, again"

"Congratulations to your father, Elsa, on your marriage"

"Happy marriage, Dear Djinn, Elsa"

Words of blessing from the Ernests. A little bit bit, but Jen decided not to ask.

"Thanks"

"Thank you, thank you"

And Jen observes Lotte.

"... yeah, Lotte doesn't seem to be out of shape either"

"Yes, thanks to you"

Because Jen's hands are really serviced, maintenance is free in normal operation.

I recommend Jen to the chair because standing talkin 'is what it is.

Ernesto lowers his hips and Lyla and Lotte stand diagonally behind that left and right.

Ernest, sitting in front of Jen, opened his tease with a slightly lit face.

"I've heard a bit about this before, but I wanted to ask you a few questions about magic engineering."

"Go ahead."

"Previously... I heard about Control Nucleus (Control Core) at the World Conference, but today I want to hear about the skeleton."

"Yeah."

Prince Ernest is quite knowledgeable at his age, whether he is self-taught or asking a castle magician (Magicraftsman).

"I think it's common to make it out of metal, but that's heavy, right? Thinning makes me weak... I think Lotte's skeleton is light silver now, but it used to be iron. Could it have been hollow then?

Before, after the riots at the Golem Garden Association (party), I used to watch them around to fix the broken spots, and noticed that they were different from other common golems.

"Right..."

There was hope from Ernest himself before, and Jen in a shattered tone outside of public places.

"A little away from magic engineering, though."

Preceding,

"I want to think about the strength of the stick."

And Jen cut it out.

"Uh... yeah"

Ernesto can't seem to grasp one intention right now, and he looks surprised.

"First...... oh, I like this"

Jen took note wood paper out of her baggage.

Cut it to about 12 cm long and 7 cm wide.

"Now, make a bridge out of this paper. Put a coin on top and experiment with how much weight you can withstand"

Jen first shows the paper folded about four times vertically.

"Thus."

Coins...... Pass a bridge made of that paper over a 'bridge leg' loaded with about ten copper coins.

"Come on, how many will you ride?

From the results, the paper bridge broke when I put two on it.

"I couldn't get two coins. But when I do this,"

Another piece of paper, now folded into the letter Co, and passed over the 'bridge leg' with the bottom facing open.

Now I could put 25 on it.

"Wow, you're gonna be tough"

"So why don't you reverse up and down?

I mean, the way you put the open side of the letter of Co up.

"... Isn't it the same?

Ernest says, Jen says, 'Really?' I say and leave the coin.

"Ah."

On the ninth sheet, the paper bridge broke.

"... why?

Jen grinned and began to explain.

"Yes, the 'why?' It's important. Experiment to know the results and apply them. What lies ahead is, 'Why?' What is it? '

"What do you mean?

"I mean, 'Why? Because if you know why, you won't have to experiment to anticipate these results."

"Oh well."

"Nevertheless, the logic of this bridge is complicated and I can't even explain it"

Structural mechanics uses cross-sectional secondary moments and integrations, so Jen, a high school graduate, unfortunately couldn't explain that far.

"I kinda sidetracked it, but by repeating these experiments, I can find something called a sturdy, light structure"

"Yeah."

"So, the conclusion. In Lotte's case, most of the skeletons have hollow structures."

"You mean a pipe?

"Yes. In this case, the strength against 'bending' is not so different from when it's stuck inside. Oh, you're talking about as a circle with the same diameter of a cross section."

"Hmm......"

Jen is also remembered around here.

"So I'm going back to magic engineering, but I'm guessing there aren't many magicians (Magicraftsmen) who can process this hollow pipe."

"Really?

"Oh. From what I've seen, there's hardly any such golem or automatic doll (automata)"

Elena's skeleton, which once led the 'Unity Party (Unifiler)', was hollow, but she can't get it out to engage.

"I'm at Reese's. Is it about 'Tia'?

Most of the rest were medium-solid structures, not hollow, Jen recalls.

"Well, the strength of the skeleton isn't just bending, it's twisting, pulling, compressing, shearing, and a combination of them."

I am glad to believe that the strength other than bending is almost proportional to the cross-sectional area, Jen concluded.

That conclusion is a little different, but no one can mention it there.

I get a question from Ernesto here.

"Jin, what's that 'blame'?

"Oh, was it hard to understand? The shear... yes, the power to cut things with scissors. I guess I should think of it as when he was slashed with a sword."

"Oh well. I see."

"The point is that it's as light as possible without losing strength, which is the basis of structural design."

This is not just about golems and automatic dolls (automata), but also about bridges, buildings, carriages and ships, Jen added.

"I see... that was hilarious, Jin! Thanks."

Ernesto, who could not even stay long, rose to thank Jen and left the room.

"Brother Jin, that was funny now"

After the three of them left, Elsa opened her mouth.

"Oh, it sounds like an interesting experiment to do at a technology fair."

"Oh, sure."

There was a world conference this year, so it seems the technology fair will be held after the fall.

"I don't know what to do with participation..."

He was Jen, who completely forgot about tomorrow.