3085 - - to double 81-26






 Jin's test of the went well.

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 Although it did not have the instantaneous force of the < that used explosions, it was able to achieve a maximum acceleration of about 10 G. "I guess it's more efficient because it doesn't have a .



"I guess the lack of a makes it more efficient."

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 Jin sensed that it was about 20 percent more efficient than the one Goh and Rubina had made.



"Still, their design is good enough."

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 Jin guessed that the engine they had built would be capable of accelerating to a maximum of 7 to 8 G's. "That's enough for a human passenger," he said.

 That would be enough for a human passenger.

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 Furthermore, since it is not an <>, there will be less vibration.

 In the case of an explosion, since the shock wave exceeds the speed of sound, the time when the force is generated is extremely short, and vibrations remain even at intervals of 0.2 seconds, but these vibrations are hardly felt.

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"I guess wind magic is easier to handle. ......"

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 Jin has reaffirmed that wind magic is easier to handle than fire magic in terms of characteristics such as heat generation, pulsation, and so on.

 The fact that it requires little or no countermeasures against heat also broadens the scope of design.

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"I'll develop something for Horai Island myself, but I'll leave the other side to Goh and Rubina.



 Jin, who had been talking to himself, began mass production prototypes of the <>......<<>.

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 Because of its simple structure, the engine itself is ready in 15 minutes.

 We have decided to test this engine on the same type of aircraft as the <>.

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 The test pilot is again Sky1.



You're on.

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I'll take care of it.



 <.

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"We're starting."

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 Sky1 declared and started the engine.

 Without needing to warm up, the <> started immediately and the aircraft glided smoothly into the air.

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"Good."



 Jin estimates the acceleration to be about 5G to 6G.

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 The plane took off at about 200 meters, climbing steadily at an angle of about 30 degrees.



"That's not so bad."

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 After checking the fuselage and engine, the first test flight is over.

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"How was it?"

"Yes, the acceleration is not as good as the Swallow, but the engine is easy to handle.

"I knew it."

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 Since the <> was originally designed for missiles, Jin is beginning to think that it may not be suitable for an aircraft carrying people.

 Still, its instantaneous power at the critical moment is appealing.

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 But that would only be a matter of using a force field generator.



"Well, that's all right. Let's check it out and do a second test flight.

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* * *

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 Since the prototype was only a replacement of the engine, it passed all the checks without any problems.

 However, there are some differences.

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 First of all, the maximum speed.

 Mach 3 with <>, which is the same, but without it.

 Compared to an explosion, it lacks instantaneous force......, or rather, it does not create a shock wave, so it is difficult to exceed the speed of sound, and in the atmosphere, the speed is 100 In air, the speed was limited to about 100 km/h or less...... Mach 0.8.

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 Next is the underwater test.

 <>, it was only checked to see if it could navigate underwater, and that was it.

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 As a result, we noticed that the water was not heated and the wake was somewhat subdued (the <>'s wake was bubbling and partially boiling).



 Then the test in space.

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 This is also a reference test, since it can fly in a vacuum and does not take space activities into account.

 It took a long time to get into space because of its inferior acceleration compared to <, but other than that, there were no problems.

 However, only barriers (barriers) prevent harmful cosmic rays and ultraviolet rays, so it is not like <> where Jin can easily ride it into space .......

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 After all the tests were completed, the test plane returned to the laboratory just as Jin was finishing his dinner in time for the Reuthert time.

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* * * *



 After the dinner, Jin examined the test data.

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"I guess the acceleration value is about half.

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 This was the point that concerned him the most.

 Jin has come to terms with the fact that even though it is a pseudo explosion, it is inevitable that the power is weaker than that of an explosion.

 He thought that it might be more suitable for the general public, since it consumes less mana.

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"For less consumption of magic element (mana), I might double the magic activation interval. ......"

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 There is more than enough room in the strength of the engine to implement this idea.



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 I thought that if I did that, theoretically it would have the same output as <> and might be able to get the same performance ....... Although the maximum speed may not be possible.



"Then, we should change the name to ......."

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 After thinking about it, I decided to name this one <>.

 The prototype is still <> (unbranded), and it is the same as <> for the public.

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"Well, we'll talk about that tomorrow."


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 Jin went back to Loisart where Erza, Goh, Rubina, and the others were.

 It is midnight on Horai Island, but it is nighttime in Leuthart time.

 If you travel back and forth frequently, you should adjust your life to the time in the place where you <> because it is less stressful on your body.

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* * * * * * * * * * * *


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Brother Jin, welcome home.

Welcome home.


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 I'm home." "I'm back," he says, since his current base of operations is in Leuthart.



Jin-sama, welcome back.

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"Welcome back, Jin-sama."

How did Nile VII go?

It was a great success!

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I'm very satisfied with the result. Jin-sama, you made something too, didn't you?

Yes, he was. Well, let's invite Mertze and sit down and talk.

"Yes.

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 Jin gathered everyone in the living room and explained what he was doing.


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"Jin-sama also flew ......."

"That's great!"

"<>?

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 At this point, Rubina spoke up.


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"Um, Master Jin."

What?

"I wasn't sure whether to tell you or not, but do you remember when we raced before ...... and Rhodes-sama made a plane called <> with tapered wings?"

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"Huh? ......Ah......"



 Rubina reminded Jin of this.

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 At that time, Rubina participated with a plane named <...... maybe the first one ......, Jin with <>, and Marikka with <>.



"Dabu or ......."

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 Jin thought that he would give a word to Rhodes later, since he had already given the order for the production of 100 planes.


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 That was the end of that night, and the next day we would do more things.