C734

Yanbei Army might not know what a hot air balloon was, but it could be said that even Heavenly Light Yanbei Army knew about it.

It was just that the craftsman's Sky Lamp was small and exquisite. Although it could fly, the direction it flew in was not controllable. Everyone naturally believed that the Heaven's Lamp was used to pray for blessings, so they didn't think that it had other uses.

Although the Vice Generals had guessed what Ji Yunkai was going to do, it did not mean that they were optimistic, and not even one of them was optimistic.

Ji Yunkai did not explain too much to the assistant general, and directly sat next to the blacksmith, instructing them on how to create the equipment according to the blueprint, and did not make any mistakes.

Ji Yunkai indeed did not have any practical experience, but as a technology house, drawing professional blueprints was not a problem.

When Ji Yunkai explained the theory in detail and smashed down a bunch of words related to wind resistance and air pressure, the craftsman's eyes immediately lit up. Seeing Ji Yunkai's expression, there was only worship, no more dissatisfaction or rejection, whatever Ji Yunkai asked him to do, he would do it.

When the assistant general saw the craftsman's appearance, he secretly asked the craftsman if the big Heaven Lantern that the wangfei wanted could be made.

When the craftsman heard this, he looked at the assistant general seriously and then shook his head, "Even I can't guarantee it."

"You don't dare to guarantee?" The assistant general was dumbfounded. "You didn't seem to be like that just now? Didn't you say that wangfei's plans were exquisite? What the wangfei said just now felt really impressive, but I don't really understand it. Tell me … "

"Ahh …" When the craftsman heard this, he was stunned. He scratched his head and said, "Erm... I don't understand. "

"If you don't understand, then why are you looking at the wangfei like you're looking at a master?" The Lieutenant General gritted his teeth in anger and glared at the craftsman.

When he saw the craftsman looking at his wife with a face full of admiration, he didn't even dare to ask, afraid that the craftsman would think he was stupid.

"Although this lowly one doesn't understand, what wangfei said seems to make a lot of sense. I truly admire wangfei." The blacksmith had a simple and honest face. He didn't wait for the assistant general to ask so he continued: "General, is there anything else? The little one has to put the basket on. The princess said that the basket must not be too heavy to fly. Otherwise, it would be a little difficult to fly, so I have to carefully study it. "

"Go busy yourself, don't keep the wangfei waiting." The assistant general had wanted to pry some information from the craftsman so that he wouldn't be ignorant when the wangfei spoke, but in the end … Everyone was at a loss on what to say.

The craftsman did not care about what the assistant general was thinking, took his tools and ran towards Ji Yunkai, and under Ji Yunkai's command, hung the completed tarpaulin together with the basket.

With the help of a few craftsmen working together, a simplified version of the hot air balloon was completed, which basically fit Ji Yunkai's needs.

"Let's try to light the fire." After checking over and over again to make sure there were no loopholes in it, Ji Yunkai told the hot air balloon to be placed in a stable area, and then she stood in the middle of the basket.

"Princess, it's too dangerous. Let me do it." Seeing that Ji Yunkai was about to risk her life, the assistant general was so scared that her face turned white, she could not say anything.

"It is precisely because of this danger that I have to do it myself. When faced with an emergency, I can respond in time. Can you? " Ji Yunkai had ridden hot air balloons before, but it was only a professional version. Whether it was lifting up or adjusting the direction, it was very simple.

Right now, she was unable to make a professional version of the hot air balloon. Even if the craftsman did everything he could think of, he could only make a simplified version.

To put it bluntly, after flying up into the sky, it was basically relying on the heavens.

"But this is too dangerous, Princess... You can teach us first, and when we learn it, we can go up. " If they were alone, they would know how dangerous it was to float in the air. Even if they had a hundred guts, they wouldn't dare let the wangfei take the risk.

"It's going to be dark soon. We don't have that much time, so don't waste it. I'll be fine." Even if he met with danger in the air, Ji Yunkai had a seventy percent guarantee that nothing bad would happen to him.

Rather than making a bold sacrifice, she might as well do the experiment herself. Furthermore, this was what she suggested, so it couldn't be any more correct for her to do the experiment.

After negotiating, facing the tough Ji Yunkai, the Vice General could only give way. Seeing Ji Yunkai standing in the basket, the Vice General silently prayed that this huge "Sky Lamp" wouldn't be able to fly, but the reality made the Vice General speechless …

When the torch was ignited, one could see the skylight, which was supported by dozens of soldiers, slowly rising up from the ground.

"It's done, it's done, it's flying!" Hundreds of Yanbei Army stood on top of the mountain. Upon seeing the slowly rising gigantic "Sky Lamp", all of them widened their eyes, unable to believe what they had just seen.

"Fly! Fly!" The deputy general saw the skylight fly into the sky, full of worry and anticipation.

If the Heaven Lantern could bring people into the air, then as long as the prince was still alive, they could rescue him in the shortest amount of time.

"Princess, you must be careful." Seeing the "Sky Lamp" that was getting farther and farther away from the ground, the assistant general was extremely worried about Ji Yunkai who was standing inside.

The Heaven Lantern flew up, but who knew what would happen in the next second? Would there be an accident in the air?

If something were to happen in midair, they wouldn't be able to do anything even if they wanted to …

It was too dangerous for an imperial concubine to stand inside.

If he had known earlier, he wouldn't have let his wife take the risk. Even if he was afraid of death, he would have gone up to test it himself.

If he let his lordship know that they had put wangfei in danger, he would probably beat them so hard that even their parents wouldn't be able to recognize them …

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