A flying machine that returns by relying solely on the principles of aerodynamics can naturally be produced. This thing is not something that is too high-tech. As long as you understand the tricks, it can be said that production is actually very simple.

Zhenyuan Shangxian didn't understand the principle, but his technical foundation was very good. He briefly discussed it with Tianyou and determined the size he wanted. Then Tianyou adjusted it according to the power requirements of the flying machine. Soon a wheel-shaped flying machine was designed.

With the design, the production is even simpler. Zhenyuan Shangxian didn't have a furnace, so he directly used his own spiritual power to activate the fire of the true spirit, and used his own magic power to condense an invisible hand to control the iron and liquid floating and smelting to form, and soon made a flywheel with the function of a flying machine.

After the flywheel was created, Zhenyuan Shangxian used his mana to condense the low temperature environment and forced the flywheel to cool it quickly. In less than an hour, a flywheel with a crystal-shiny surface was completely completed.

Of course, in Tianyou's opinion, this is completely a waste product. Because forced cooling causes internal stress to be released, this thing actually looks beautiful. If it is really a weapon, it will be broken into pieces in just a few strokes. However, Zhenyuan Shangxian can't control so much, and he will be in a hurry. He proposed the design of this flywheel before, and everyone opposed it and said that he couldn't do it. Now he made one. How could he be unhappy?

It is said that the older you are, the younger you are. Isn’t Zhenyuan just an old child at this age? He was wronged by everyone before, but now he has the ironclad evidence to get back his face.

Holding the flashy flywheel happily, Zhenyuan Shangxian didn't care about Tianyou, and ran to regroup all the previous group of people by himself, and asked everyone to check whether the item had a pattern of added formation. After confirming that this thing was a simple iron tool, he did not touch it, so he let the person who opposed him at that time throw it away.

Of course, there is no need to mention the result. As long as the flying machine reaches a certain speed, it will naturally come back when it flies out. The immortal lord threw it away casually, and the flying machine at high speed turned out a beautiful arc, and it turned back and headed straight for the crowd.

When a group of people saw the flying weapon flying back, they hurriedly dodged to both sides, and the flying weapon was thrown on a stone because no one went to pick it up, and it broke into several pieces with a bang.

Zhenyuan Shangxian didn't care. He explained that this was rushing out because he wanted to verify the feasibility, so it was relatively brittle. After that, it would not be like this after being forged according to the normal program. As for whether the flying machine with a normal structure can fly back by itself... there is no need to prove this kind of thing, because the one just now showed that as long as the appearance is correct, it can be made to create a flywheel that can fly back by itself.

Zhengyuan Shangxian, who successfully proved his ideas, was quite happy. First, he regained his face, and secondly, he also brought huge benefits to all the sects of Zixiao Palace who used flywheels as weapons. Just as Zhenyuan Shangxian told Tianyou before, the flywheel could be automatically returned because of the magic circle. Now, there is no need for this part of the magic circle, so there are naturally more places to be vacated to engrave other magic circles. This item alone can bring at least 30% of the efficiency improvement for the flywheel produced in the future. Isn’t this a big easter egg to the sects who use flywheels?

Zhenyuan Shangxian ran to show off his new achievements and left Tianyou alone in the tool making workshop. Tianyou was not idle. Seeing that Zhenyuan Shangxian would not come for a long time, he opened the door and entered the courtyard where Zhenyuan Shangxian lived. This was not the main residence of Zhenyuan Shangxian, but a temporary hut for rest during continuous tools making. However, there were a lot of notes piled up here, all written by Zhenyuan Shangxian himself. Tianyou came in and came here for these things. He planned to read all these things, and in order to avoid forgetting some key points, he brought a notebook to take notes.

As the well-deserved number one in the world in terms of instrument making, Zhenyuan Shangxian’s forging and instrument making technology are the best in the world, so the value of his handwritten can be imagined. Other books can always be found in the library and can be studied slowly in the future, but these handwritten ones are not read at any time, so Tianyou plans to seize the time to write them down.

Tianyou has a strong reading ability, not only fast, but also very efficient, and can accurately grasp the key points and memorize them. For some key points or those that feel they are not easy to remember, copy them on your notebook, so that you don’t have to worry about forgetting them.

After going out to show off his new flywheel, Zhenyuan Shangxian finally came back. After searching for a while, he found Tianyou who was writing quickly in his rest room. Seeing Tianyou carefully read his notes and excerpts, Zhenyuan Shangxian was not angry, but nodded with relief.

Many people know that Tianyou is smart, but there are so many smart people in Zixiao Palace, but Zhenyuan Xian fell in love with Tianyou alone. Although Tianyou has mastered many reasons for forging and smelting knowledge that he cannot understand, more importantly, the tenacious imagination left to him by Tianyou when they first met.

There is no shortage of geniuses in this world, but there are not many geniuses who are willing to work hard, and the only few have become powerful people in the end. Zhenyuan Xian saw the shadow of a future powerful person in Tianyou, so he attached great importance to Tianyou very much, and even was a little indulgent, because he knew that people like Tianyou would know the right position and be able to control themselves well, and did not need too much interference at all.

Looking at Tianyou who was studying hard, Zhenyuan Shangxian silently exited the door, gently closed the door, and no longer created fire to forge a new flywheel. Instead, he picked up a long-finished weapon embryo and started to carve the array diagram. This work is a meticulous job, requiring Gao Dun's concentration, but it will not make any sound. Doing this now is to not interfere with Tianyou in the room. Some disciples outside found this place, and when they saw Zhenyuan Shangxian engraving talismans, they consciously retreated. The disciples of the Treasure Artifact Sect know that it is better not to disturb Zhenyuan Shangxian unless it is particularly urgent at this time.

Because no one disturbed me, Tianyou kept seeing it at night without realizing it.

It has to be said that Zhenyuan Shangxian’s handwritten notes are much more useful than those classics, because everything recorded is a key or breakthrough discovery, which is completely different from the large and comprehensive description methods of the classics made, and it seems to be much more efficient. Of course, classics are not completely useless, but in Tianyou’s opinion, those things should be used as reference books. Just like the periodic table and dictionary, you can search for them when needed, and it does not necessarily need to be memorized completely.

What made Tianyou stop was not the sky, but his stomach. This is also one of the strange things that Tianyou felt. Although the monks never chose to take the initiative to fast in the experience taught by others, as their cultivation level improved, their demand for food should actually gradually decline. But Tianyou was just the opposite. He felt that he was getting more and more able to eat recently, and even if he took the initiative to control his appetite, he would feel unbearable hunger, which was obviously different from what everyone said about the experience.

However, Tianyou has a lot of strange problems anyway, so he didn't care much about such small things.

Tianyou, who felt hungry, stopped copying and looked out the window. It was obvious that the surroundings were dark, but the room was bright. The problem was that he could not find the light source. After Tianyou noticed this, he closed his eyes and opened it again. He turned on his spiritual vision ability and searched carefully throughout the room. Only then did he find that the whole room was filled with a faint stream of thin spiritual energy, and it was this thin spiritual energy that created the light of the room. Otherwise, when the sky became dark, he would have noticed it, and he would not have waited until he was hungry before he remembered it.

After packing up his things and pushing the door out, only one servant was waiting outside. He immediately took the initiative to greet Tianyou.

"Senior Brother Tianyou, this is the meal that the sect leader gave you to you. The sect leader said that you would go back after you finish eating. I'm afraid there is nothing to eat in the cafeteria."

Tianyou was very moved that the immortal Zhenyuan could still prepare food for him. He took the food box and asked, "Where have Master been?"

"The sect leader should have returned to Tengyan Pavilion, after all, it's already this time."

Tengyan Pavilion is the real residence of Zhenyuan Shangxian. Lu Meng and Ye Sanshan also live there, but they usually don’t go back to live on weekdays. The main reason is that the distance is too long. With Zhenyuan Shangxian’s cultivation skills, they flew back. The two disciples do not have the ability to fly back and forth every day.

Although Xuanfeng kept dinner, Tianyou didn't eat here in the end, but took the food box to the cafeteria. Now his appetite is getting bigger and bigger, and the food that Zhenyuan Shangxian left according to the conventional standards is obviously not enough, and even if he has enough food, the few people at home still have to take some back.

I walked all the way to the canteen, but Tianyou knew the mailbox in the kitchen and gave it a little favor on weekdays. The relationship was really good. Unfortunately, I found the mailbox and asked. I found the canteen now.

"What? Go down the mountain?"

The peddler who was familiar with Tianyou also looked sad: "We don't know what happened today. In fact, there are people who buy ingredients every day on that road. They have been walking for so many years but have not had any major problems. At most, they have sprained their ankles or something. Unexpectedly, such a big incident happened this time. Two people and one cow actually climbed to the bottom of the mountain. We also found that after the agreed time, they knew that something was wrong. They went down the mountain to look for it, and only saw the broken corpse! Alas... this is probably fate!"

Almost all the buildings in Zixiao Palace were built on the top of the mountain. The roads up and down were narrow and steep, and there were no guardrails or something. It was not surprising that someone fell down the mountain. Anyway, Tianyou didn't know him, so he could only express his condolences and turned around and left. However, if you can't get food in the cafeteria, you can't really have a meal, right? Tianyou himself was fine, for fear that the guy Mo Feng would go out to bite people in a hurry. That guy was a serious wild monster. Although he had been following Tianyou since he hatched from the egg, the habits of the demon clan had not changed at all. If he was hungry, it would be no wonder that he would bite people to fill his stomach.

It is said that there are many places to go to the canteen that cannot be found, such as the canteens of other sects. However, at this time, it is estimated that the canteens of any sect have been closed, and it will be even more difficult for him to get food if he doesn't know the serfs there. Besides, the distance between different sects is not close, so it is quite troublesome to travel.

After thinking about it, Tianyou finally remembered a place. After hesitating for a while, he decided to go and have a look before talking about it.

"Huh? It's so late, what are you here to do?" As soon as Tianyou entered Jueweizhai, he happened to meet Liu Meiniang who came to the gate. Obviously, the other party was also surprised at what he was doing at Jueweizhai at this time.

Tianyou explained helplessly: "I copied books too seriously and accidentally missed the meal. Isn't there really no way to go? Have you come to beg for Uncle Liu?"

"You guy, do you think I'm a good hall?" Liu Meiniang said, but the man gave up to the side and left a place for Tianyou. When Tianyou came in, he closed the door of Jueweizhai again and said, "Okay, come with me. Don't expect Qingye to cook for you at this point. Anyway, you have everything, just do whatever you want. Remember to turn off the stove and help me bring the door. Do you know?"

"Thank you, my disciple, I remember."

Liu Meiniang nodded and turned around and left, as if she was going to rest. Tianyou had been traveling a lot of Jueweizhai during this period. The road was very ripe. When he walked to the kitchen, he planned to get some food. He thought that with the help of Lingquan Earth Vein, Qi's situation should have improved greatly. At this time, 80% of her ability to move freely. Thinking that she had just drunk some liquid food these days, she decided to bring her some back. Of course, the raw meat needed by Kangfeng must not be forgotten. However, Yueying does not seem to need to eat much, and occasionally eats something to satisfy her cravings.

After finding the ingredients he needed, Tianyou began to prepare a fire to cook, but when he was about to start, he was suddenly stunned.

"Damn, why did you forget this?"

The stoves in Jueweizhai are all very strange. They use spiritual power to ignite instead of firewood. In other words, there is nothing to burn here, and they can only rely on spiritual power to make fire. When the recipes and ingredients were sold before, Fairy Aoye was providing spiritual power to ignite, but now Fairy Aoye is not here, Tianyou is blind.

It's a bit troublesome if you have food, but it's not completely impossible, and there are actually quite a lot of ways. For example, Tianyou can bring the ingredients back to make it. There are even iron stoves outside his cave, so it's a little bit to cook a dish. Otherwise, he can also borrow the platform from the Shenbing Sect canteen. Anyway, the servants there are very familiar with him, so as long as he speaks, there will definitely be no problem. Otherwise, it's okay to find a place to make a fire. Anyway, he used to cook on a bonfire when he was hunting.

Of course, the easiest way is to make a fire in this kitchen, but the premise is to solve the fuel problem.

Jueweizhai’s stove is quite strange, and there is no place to burn firewood at all, so even if there is a forest outside the door, Tianyou can’t chop firewood to make fire.

After hesitating for a moment, Tianyou suddenly ran to the kitchen door, stretched his head and looked out, and was sure that Liu Meiniang and Qingye should have rested. Then he carefully closed the door and walked back to one of the stoves.

Squat down and pressed it against the stove. Tianyou's hands gently pressed against the wall of the stove. Two green aura began to flow between his palms and finally merged into the stove.

As Tianyou's spiritual power was brought in, a small piece of spiritual net in the stove was suddenly lit up, and a clear array diagram structure appeared instantly. Tianyou's eyes flashed with green light in the dark, and he could see all this. His eyes could see spiritual energy rather than array diagram, so when the stove was not activated, he could not see the array diagram structure in it, but as long as spiritual energy was injected and there was spiritual energy flowing in the array diagram, he would naturally mark the structure of the entire array diagram.

The array map that flashed by was remembered by Tianyou, and he recalled it carefully. Based on the knowledge about array maps in his memory, Tianyou quickly found the starting point of spiritual energy, which is the location where spiritual power should be input. He put his palm on it. Tianyou slightly increased the spiritual power injection this time, and the array map that was originally pitch black was lit up in an instant. This time, it was clear that the entire array map was running. A flame more than one meter high rose from the originally quiet stove. After hitting the top of the stove, there was nowhere to vent, and they all sprayed out from the observation window of the furnace entrance. Tianyou was so scared that he quickly withdrew his spiritual power and flashed to the side.

Fortunately, this stove is in the style of an alchemy furnace. There is a lid on the top and the opening is only on the front. Otherwise, if it is an open stove, the beam would be lit just now.

Although he was startled, Tianyou had already figured out the usage of this stove. He just underestimated the conversion efficiency of this thing, so he inputted a little more spiritual power, so he just needed to control the strength this time.

Back to the edge of the stove, Tianyou pressed his hands against the outside of the furnace wall again, and then began to slowly inject spiritual power. The strange stove immediately rose up again, but this time it was obviously much smaller, only more than one foot high. However, this was still a bit too large. Tianyou carefully reduced the input speed a little, and the flame gradually decreased and became a level where he could cook.

However, just as Tianyou was about to put the ingredients on, he seemed to be stunned again.

To start this stove, you need to stick to the spiritual power input ports on both sides of the stove body at the same time. Tianyou has not yet reached the level of spiritual energy leaving the body, so he naturally cannot remotely control it like the fairy of Qingye, and can ignite eight furnaces at the same time by one person. Now he can only use his hands as two contact points to ignite a furnace. But the problem is that someone must cook to cook! But as soon as his palm leaves the stove, the flames on the road will be extinguished immediately. But if the flames are supported, he cannot cook. This has stumped Tianyou.

"Damn it, I would have known that Yueying should have brought it out!"

Tianyou was muttering, but the flames in the furnace mouth suddenly rose more than two feet high, and the eight stoves in the room started to spit fire at the same time, which scared Tianyou. At the same time, the kitchen door was suddenly pushed open from outside.

"Qing... Fairy Qingye!"

In Tianyou's surprised gaze, Fairy Qingye walked into the kitchen and walked to the cushion to sit down. Then she looked up at Tianyou, but she didn't say a word. Tianyou looked straight and was furrowed all over her body. She asked, "You just lit my purple gold incinerator?"

"What purple...oh? You said this stove? Hey... I wanted to borrow the stove to cook for dinner, but I couldn't find firewood and didn't want to disturb you to rest, so..."

"Stove?" Fairy Qingye's tone was obviously octave higher, which made Tianyou understand instantly that he had said the wrong thing, but he didn't know what was wrong. Fortunately, Fairy Qingye quickly took it on his own. "You actually said that my purple gold incinerator furnace is a stove?"

Tianyou asked uncertainly: "Isn't it? We have been using these stoves these days... these purple gold incinerator cooking?" Fortunately, Tianyou reacted quickly and almost called it the stove again. Finally, he stopped at the last moment, and he suddenly thought of some possibility. "What... these are not yours..."

"What do you think?"

"Disciple knows that it's wrong. Please remember the disciple's sin of disrespect if he doesn't know how to forgive his disciple's sin of disrespect!"

Now Tianyou finally understood why Fairy Qingye would ignite the stoves by himself as long as he moved his fingers. He also understood why he would start a fire and startled Fairy Qingye who had already rested. The reason was that these eight stoves were simply other people's magic weapons, and they were already refined magic weapons, and they might even be natal magic weapons.

Things of this level are all connected to the master's soul. Not only are they controlled like an arm, but more importantly, the master will know immediately if there is any problem with the magic weapon itself.

Tianyou just didn't follow the operating procedures and forced the other person's magic weapon with the same method as hacker invasion. No wonder Fairy Qingye looked bad when she came over. Now that Tianyou thinks, she is already lamenting that she has established a good relationship these days, otherwise it would be as simple as Fairy Qingye came in.

In Zixiao Palace, it is a taboo to move other people's magic weapons and magic weapons, just like the last time Lu Zhengyi used his Emperor Dao Sword to be severely punished. Tianyou is now just glaring at Fairy Qingye, which is really a sign of the face given to others.

Fortunately, Tianyou had no malice at all. With the previous happy transaction, Fairy Qingye did not pursue it too much, but asked about the situation again. After learning that it was Liu Meiniang who put him in, Fairy Qingye was no longer angry. It was obvious that it was Liu Meiniang who was playing a prank. As Fairy Qingye’s partner, it was impossible for Liu Meiniang to know that these stoves were Fairy Qingye’s magic weapons. She asked Tianyou to use it even though she knew about this situation, which was clearly a cheating person.

After Aoye Fairy knew that Tianyou was also a victim of a prank, she calmed down, "Okay, I understand, I don't blame you for this. I will go to her to settle the score later. By the way, how did you activate my magic weapon just now?"

"Do you believe this...I said I met you?"

Fairy Qingye didn't respond, just looked at Tianyou.

Tianyou, who was stared for a while, knew that he could not escape, so he could only pretend to be unable to admit it and said, "Actually, my spiritual sense is particularly keen. I just tried it little by little. I knew that the purple gold incinerator must have the entrance to inject spiritual power, so I tried it with my palms little by little. When I felt that there would be some absorption of my spiritual power, I concentrated it injected it. Unexpectedly, the furnace was ignited."

Fairy Qingye frowned when she heard this and asked, "Are you just injecting spiritual power?"

Tianyou asked in confusion: "Is there anything wrong with this?"

"Of course not." Fairy Qingye said seriously: "I don't hide it from you. This purple gold incinerator is not an ordinary magic weapon, but my natal magic weapon. Some of my residual souls merge into it. Except for me, no external spiritual power must be penetrated. But your spiritual power can actually reach the core through my protective barrier, and ignited the incinerator without my permission. Why do you think this is?"

"Yes? Why is this? I really want to know too. But I just don't know!" Tianyou's heart was already galloping, of course, but he could only speak in another tone: "This... I forgive my disciple for being incompetent, I really don't know why this is happening! The disciple has really only injected some spiritual energy!"

"Don't be nervous, I'm not blaming you. The reason why I'm confused is because I believe your explanation." Fairy Qingye said slowly: "This purple gold burning furnace is my natal magic weapon. If it is forced into someone, it will inevitably resist fiercely. But I did not feel any resistance. If you hadn't inputted your spiritual power too much, causing the fire to rush out of the furnace and awakened me, I might not know that my natal magic weapon was controlled by others. However, since I don't feel it, it means that you are not strong, but I will be even more unable to understand how you control it!"

"This... I am also confused!" This is not a lie. Tianyou found the spiritual energy input port and relied on spiritual vision ability to do it, but as for why the barrier that should have existed did not take effect, Tianyou really didn't know.

Fairy Qingye thought for a while and suddenly said, "In this way, try again in front of me and let me see how you ignite the fire, which may be of some help."

Fairy Qingye said this, and Tianyou couldn't refuse, so he wanted to do it again in front of her. This time he knew the input position, just put the palm on and inject spiritual power.

Just like before, Tianyou's spiritual power entered the array diagram, and a magic flame of more than a foot long rose in the furnace, which made Fairy Qingye so surprised that she couldn't stop. What Tianyou had just done was like someone pried open the door of the bank vault in front of the bank manager, but the alarm of the vault was completely unresponsive.

Fairy Qingye was very sure of the protection he had made for his magic weapon, but now it was in vain. This thing was not forbidden at all in front of Tianyou. Thanks to Tianyou, who is a disciple of this sect and is familiar with her, if there was a different enemy, Fairy Qingye might really die if she died. You should know that although the cultivator's natal magic weapon is powerful and flexible in control, the disadvantages are also very serious, that is, once the natal magic weapon is damaged, the cultivator will suffer severe damage. At the least, it will lose all his abilities in a short time, and at the worst, it will die on the spot.

When Fairy Qingye felt her whole body trembling when she thought of the possible consequences.
Chapter completed!