Input-output characteristics of an engine.
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That is, how much output can be obtained in relation to the input.
In the case of the MagiAero rocket engine, the input is the magical force and the output is the propulsive force.
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The engine is mounted on a sturdy test bench and is subjected to magical power, and the propulsive force is measured.
The test bench is equipped with a sensor to measure the propulsive force, so all you need to do is to read the value of the sensor.
A graph is then created with the applied magic force on the horizontal axis and the propulsive force on the vertical axis, which is the input/output characteristics of the engine.
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The test was initiated at the suggestion of Goh, but because of its significance and the danger involved, Jin also decided to be present. Reiko and Hope accompany him.
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"Father, are you sure you can handle the equipment here?"
"Yes, that's what I was wondering. ...... Well, it looks like they are going to experiment with a small engine, so it should be fine."
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The test bench at Horai Island is reinforced with 20 sturdy piles that reach 50 meters underground, but the one here is not as sturdy as the one at Horai Island.
"If it comes off the test bench and blows up, the supply of magic power will be cut off, so there won't be much damage."
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"But you should be careful ......."
"I'm sure we can manage with Reiko and Hope around."
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Jin watches over the work while talking like this.
Goh and Rubina are too big to get in the way, so they watch as the other members install the Magi Aero rocket engine on the test bench.
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"Yes, you're following all the steps, aren't you?
"Yes."
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Jin and Reiko also observe the process and find no problems.
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"Final check, done. We can test it now."
"Okay, start the <
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The small MagiAero rocket engine that Goh had built began to move.
Jin has checked it upon completion, and its operational reliability is well documented.
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"Good, good, it has good characteristics.
The input/output characteristic of the Magi-Aero rocket engine is that the output, or jetting power, is zero while the input magical power is minute.
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This is because a certain amount of magic power is required to activate the <
If you increase the magic power little by little, the output increases rapidly at a certain point. <
From there, the output is almost proportional to the input.
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When the limit is reached, the output does not increase no matter how much the input magic power is increased.
This was the characteristic of the <
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"Wow, that seems like an easy-to-handle characteristic."
From the start, except for the very low speed range and the both ends of the output limit ......, the engine has linear characteristics in the practical range, so it can be said that it is an easy-to-handle engine.
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"Okay, next, let's try the
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Workers hurriedly replace the engine on the test bench.
This engine was originally prototyped at the Aerospace Research Laboratory.
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"Yes, the characteristics are mild.
Jin chuckles to himself.
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Since this engine is based on the <
The input/output characteristics are almost linear, as the wind varies with the amount of magic power applied, from a very weak wind to a strong wind.
However, the upper limit is low. This is due to the characteristics of <
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Once the upper limit is reached, the output does not increase no matter how much magic power is applied.
And its output is also lower than that of a Magi Aero rocket engine.
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"It is certainly easy to handle, but ......"
"The drawback is that the output is weak."
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The last one is the
The reason for putting it last is that it generates a lot of heat.
The reason is that after the test, the engine cannot be touched until it has cooled down.
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Even though it was a test, it took some time to install the cooling system of the engine.
This engine was also built by the original
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"Please do not stand behind the engine because of the flames.
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Ena Kouki gives such a warning.
The door at the rear of the test bench is fully opened. Beyond it is the sea.
To be precise, it was aimed at a hole 300 meters in diameter in the center of
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Nothing could be consumed by the fire.
Ready.
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Start the engines!
<
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"Oh, it's noisy after all!"
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Earplugs for sound insulation had been distributed beforehand, but even with them on, the sound reverberated through the air.
And it became louder as the output power increased.
It was a roar that could be felt not only through the ears, but also through air vibrations and even on the skin.
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"This is the biggest drawback. ......"
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Since it is a <
Jin thought ...... because the engine was originally designed to be a propulsion system for <
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In addition, even though it was cooled, the residual heat was beginning to build up in the laboratory, making it hot.
"That's another drawback. ...... We need to put a boundary between the test bench and the observer."
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Such safeguards are in place at Horaijima.
However, they have not yet been implemented in the facilities here.
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The main reason for this is that they have not tested dangerous engines before.
But this time I was a little worried.
So I gave a word of caution to Reiko. It worked.
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The input-output characteristic of this engine is that the output rises sharply when the input exceeds a certain value, and then the output increases in proportion to the input.
Since the upper limit is quite high, if the life of the engine is not taken into consideration, this engine has the highest output among the three types of propulsion systems tested in this study.
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However, the major drawback of this process is that the metal used to make the engine itself deteriorates due to thermal fatigue, resulting in a loss of strength.
The engine used in the experiment was one that had been used in several previous experiments.
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The first one to notice this was <
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"...... hmm? ...... dangerous,cut the input!"
The <
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However, Jin's words were drowned out by the roar of the <
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The result was .......
With a roar, the Magi Detonation rocket engine exploded.
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At the same time, molten metal and glowing, red-hot chunks of metal scatter.
"<
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Reiko immediately deploys her shield.
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This is a barrier developed by Hitoshi, which is not spherical or hemispherical in shape, but rather deploys in the form of a circular shield.
However, it is the best for a defense like this.
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The size of the shield that Reiko deployed is the same as the wall of the laboratory.
In other words, everyone in the laboratory was protected by the shield.
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