The fiery moon was coming, and the giant sun was high in the sky.
Even in the northern part of the continent, some areas had begun to feel like it was a hot summer.
Gwen flipped to the last page of the document in front of him. The graphs and data on the document slowly settled in his mind. After a few seconds of thinking, he looked up at Rebecca and Maggie. "So the recent attempts to break through the 'missile limit' have all failed?"
"Yes, they have all failed," Rebecca lowered her head and said in frustration. "Whether it is to increase the thrust of the drive array or change the layout of the wind force field, all methods are useless. I have compiled the detailed records of each failure, which are what you have just seen. "
"Well … I saw it." Gwen frowned and glanced at the stack of documents that he had put on the table. A long-lost sense of the unknown and contradiction seeped out from the lines of the document, stirring his high-speed brain. "And all the tests encountered a similar problem at the last stage of acceleration … The magic field that maintained the acceleration was suddenly greatly disturbed, the output plummeted, and the aircraft decelerated …"
"It felt like we had suddenly crashed into a chaotic and extraordinarily powerful 'magic quagmire,'" Maggie, who had personally carried out most of the test missions, immediately reported her feelings at the time. "No matter how much effort was maintained before, the quagmire would quickly disintegrate, and the speed could not go up."
Gwen was silent for a moment, thinking in silence.
The missile limit was the speed limit that all physical flying objects would face. When approaching this limit, the flying object would be captured by the invisible but powerful quagmire. If it was a flying device driven by magic, then the magic field that maintained the thrust would be disintegrated. If it was a bird or beast in nature that did not rely on magic to fly … Although the reason was not clear, they could not break through this' barrier 'without exception.
This was a very familiar phenomenon, so familiar that Gwen could not help but think of the difficulty that high-speed aircraft on Earth once faced: the sound barrier. However …
He sighed softly, looked up, and said as if talking to himself, "The known atmospheric speed of sound is …"
"According to the data measured by the scholars in the Northern Region, the speed of sound in the atmosphere is 322 meters per second around the freezing point of the sea," Rebecca said immediately.
The Northern Region used to be the holy land of Ansu magic. Due to the influence of the Wilde family, a large number of outstanding mages and scholars gathered in that cold land. In order to explore the mysteries of various magical phenomena, even the mages of the old era would do a series of research on nature. Therefore, concepts such as the speed of sound in the atmosphere, air pressure, and the melting point of various substances had always been in the knowledge of the upper class, and the data was very accurate.
At this moment, one of the precise numbers … was provoking Gwen's nerves like an annoying little demon.
In this world, the speed of sound at standard air pressure and freezing temperature was 322 meters per second — two-thirds of the limit of a missile.
The speed barrier that Rebecca's aircraft encountered was not the sound barrier, but something completely unknown.
In fact, the "sound barrier" that had troubled the scientists on Earth for a long time was not a big problem at all in this world. It had even been solved without anyone noticing. Although the existing Dragon Calvary aircraft could not exceed the speed of sound, some of the acceleration devices that Rebecca created in the laboratory environment had successfully broken through this barrier several times.
The laboratory data showed that the wind force field spell from the elves could almost perfectly solve a series of problems caused by atmospheric resistance. Although the Dragon Calvary and some other flying machines had no concept of aerodynamics in Gwen's eyes, the visible part of the aircraft was not the real "aerodynamic shell" during flight. The real contact with the atmospheric environment was a layer of force field surrounding the aircraft, and that layer of force field had perfect aerodynamic characteristics and could even eliminate the shock wave and other problems faced during supersonic flight. Coupled with the powerful force brought by the Draconic Propulsion Array, the aircraft in this world could break through the sound barrier much easier than Gwen had imagined.
Of course, this did not mean that the technology of breaking through the sound barrier was simple. The wind elemental force field spell of the elves had a history of thousands of years and had gone through a long and arduous research and development process. It just happened to play an unexpected role in the magical technology system, but the technology itself did not fall from the sky.
In any case, the speed of sound was not the real obstacle in front of Cecil's aircraft technology. The real obstacle was … after breaking through the sound barrier, it was the mysterious missile limit, or in the words of the elves, the "physical flying speed barrier."
But Gwen knew nothing about it.
He could only judge from his intuition and existing experimental phenomena that this speed barrier had a high probability of having nothing to do with air resistance, air shock, and other factors. It may involve some characteristics of the magic environment of this world, and may even involve some more fundamental problems.
"At present, the test results we have done in the Origin laboratory have very serious deviations from the experimental results in the real world." Rebecca saw that Gwen did not speak for a long time, so she boldly took the initiative to say, "In short, the missile limit in the real world is beyond the scope of what the Origin laboratory can 'understand.' So I plan to focus the next high-speed aircraft experiment in the real world. "
"Correct judgment." Gwen nodded gently. "So, do you have any ideas next?"
Rebecca looked at Maggie next to her, and then carefully looked at Gwen. After an obvious hesitation, she boldly took a step forward. "I want to try the cannonball to test the speed limit."
Gwen raised his eyebrows. "Cannonball?"
"It's not a real cannonball, but the principle is pretty much the same." Rebecca waved her hand. "Now all our tests are using the propulsion system on the aircraft, and the results are obvious. When the speed reaches the limit of the missile, the propulsion system is almost useless. So I'm going to change my approach and use a fixed propulsion system to launch a non-powered object. Let's see what happens.
"In this way, the propulsion device itself does not involve the speed limit, and in theory, it will not be affected by the 'magic quagmire.' It should be able to continue to work until the end and accelerate the flying object to the limit that the device can withstand.
"Of course, there are many birds and beasts in nature that do not have magic power, and their speed cannot exceed the limit of the missile. But I think this is just because their flesh and blood has a limit. If a solid cannonball is made of steel, the situation will be different."
Gwen's slightly frowned brows gradually relaxed as he listened to Rebecca's explanation. He listened to her ideas with interest. "So, what are you going to do?"
"I want to build a larger acceleration track, use more, more powerful repulsive devices, and use a more powerful overload. If necessary, this track can even be disposable. I want to use it to launch a cannonball. The cannonball itself does not carry any magic effect except the wind rune. I want to see if it can exceed the limit of the missile."
Gwen rubbed his chin with his fingers and began to help Rebecca to perfect her idea. "Have you considered that when the limit of the missile is approached, the wind rune on the cannonball will also be affected, causing the magic quagmire to 'trap' the cannonball?"
"So, the acceleration track must be long, and the rune power must be high. Even if the wind rune on the cannonball disintegrates, the acceleration track must continue to push the cannonball forward," Rebecca said immediately. "If it doesn't work, we can build a vacuum pipe to install the entire device. This way, we can simply remove the wind rune and simplify the cannonball into a lump of iron. With a vacuum environment, perhaps we can get a better acceleration effect …"
Unsurprisingly, the iron-headed girl came up with an idea that was quite a miracle.
However, Gawain had to admit that Rebecca's idea of "using strength to create miracles" did make sense. It was also the best idea at the moment. Even if he were to make some suggestions and optimizations, he could only make some minor adjustments to the idea.
But after a brief thought, he casually said, "There's just a problem. I'm afraid the cost of doing this is not low. Have you told Heti?"
"Not yet." Rebecca immediately scratched her head and lowered her voice. "It's such a big set of acceleration tracks, plus the supporting energy supply, observation, and safety facilities, plus the possibility of building an empty vacuum shell. Once the cost is calculated, Auntie will probably come after me. That's why I came to you first. I want to —"
Her voice was getting lower and lower, and in the end, she simply muttered to herself.
Gawain couldn't help but chuckle as he looked at Rebecca, who was uneasy because her scheme had been exposed. He nodded as she looked at him in surprise. "I've approved this project. Special permission."
"Re … really?" Rebecca still stared as if she could not believe it. "You just approved it?"
"This project is very important, and the later results may exceed everyone's expectations. I think it is necessary to increase the investment," Gwen said with a smile. "But I also have some suggestions. We can not consider the vacuum shell first, and by optimizing the shape of the 'cannonball' itself, we can …"
An invisible wind suddenly blew into the study, and a familiar aura appeared beside the desk. Gwen immediately stopped and looked at the seemingly empty side. "What's wrong? Why are you in such a hurry? "
Rebecca and Maggie had already guessed the visitor when they saw Gwen's reaction. Amber's figure appeared in the air in the next moment. The latter nodded to Rebecca and Maggie briefly, then leaned down beside Gwen's ear and whispered a few words.
Rebecca saw that her always dignified and reliable ancestor's expression was obviously stiff in the next few seconds.
In the next second, Gwen suddenly stood up, his expression was frighteningly solemn.
"Rebecca, I have approved the project. You can start preparing your accelerator," Gwen said quickly, and looked at Maggie. "Maggie, I need your help."
Maggie immediately lowered her head. "Of course, please tell me."
"We have to go to the Holy Spirit Plains, Thorin Castle immediately."
Rebecca faintly sensed something from Gwen's attitude and immediately asked, "Ancestor, what happened?!"
Gwen quietly looked at Rebecca, slowly took a breath, and then slowly exhaled.
"Norris is critically ill," he said slowly.
"Norris?" Rebecca's eyes instantly widened. At first, she did not seem to understand the meaning of her ancestor's words. Two seconds later, she reacted and subconsciously took a step forward. "I also want …"
Gwen looked at Rebecca, and saw the stubbornness in her eyes. This child's personality usually had some problems, but she rarely had such a stubborn and willful attitude in front of Gwen or Heti.
He recalled that Norris was from the old Cecil, and was one of the eight hundred people Rebecca risked her life to save.
Norris, who was born a farmer, eventually became the Empire's Minister of Agriculture, and it was inseparable from Heti and Rebecca's recommendation.
After a moment of silence, Gwen nodded. "Okay."
Rebecca showed an obvious expression of relief, and immediately expressed her gratitude to her ancestor with a smile, but soon her smile disappeared, and an expression of sadness and worry spread on her face.
Gwen gradually frowned. He recalled the recent news from Thorin Castle, and some of the things that Bertilla mentioned when he talked to her last time, and gradually fell into deep thought.
After a moment, he nodded slightly to Amber beside him. "Go to the North Shore …"
It was said that coming back from the dead was a miracle.
Gwen felt that he had already achieved this miracle.
Then … perhaps he should go and create another miracle.
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