In just two days, five ignition devices were designed and finalized and successfully manufactured.

Li Yu took the ignition device from Xiaoling and asked, "Xiaoling, why is this ignition device so strange?"

Xiao Ling did not explain, but picked up a long iron cylinder and connected a connecting rod at one end. When the connecting rod drove the air plug down, a certain amount of oil mixed with air into the cylinder, and then began to compress and spray out. After spraying out the mist fuel, a huge fire suddenly "bang".

"Hehe, ignition and boosting are integrated. Without boosting devices, your hot air balloon cannot fly at all." Xiaoling explained: "Don't worry, these techniques are very simple and can be made outside."

"What is this?" Li Yu pointed at something that looked like a fan.

"When you design a hot air balloon, did you not consider the rudder, otherwise how would your hot air balloon turn?" Xiaoling asked back.

Li Yu only slapped himself in the head regretfully and said, "What a mistake, did you forget to design such an important component?"

"Hehe, even if you can't turn the rudder in the sky, you can't do anything with your ability." Xiaoling laughed.

Li Yu did not answer Xiao Ling's gloating words, and looked at Xiao Ling's rudder designed by him. The entire rudder was led by a pedal-style manual rudder, and the bicycle chain was used to drive the rudder.

"Xiaoling, your rudder is good. Although it is manual, it is already quite good. This technology is simple and easier to produce outside." Li Yu was very satisfied with the riding rudder designed and manufactured by Xiaoling.

After staying in the space for another day, Li Yu left the space.

When Li Xiuning saw Li Yu appear, she said with joy on her face: "Come and see, how about the airbags we sewed?"

When Li Yu heard this, he turned his head to look at the entire airbag. The finely crafted airbags were placed on the ground, and the overall effect was similar to the one he designed. Li Yu walked over quickly, picked it up and looked at it.

"Do you hand-sewn well?" Li Yu raised his thumbs up.

"It's good if you're satisfied. More than a dozen of us sewed it for more than a day, and finally heard a satisfied word like you guy." Li Xiu had a tired smile on his face.

"Son-in-law, look at this is the hanging basket I arranged for someone to weave, and see how it is." Li Xueyi looked excited.

Li Yu saw that the entire hanging basket was about two meters long and about one meter wide, and it was very fine and strong, and not very heavy.

"You have put your heart into it!" Li Yu raised his thumbs up.

As soon as Li Yu finished speaking, Xiang Shanzhi came over and said in an incredible tone: "This is the guy who can fly. It doesn't look special!"

When Li Xueyi saw Xiang Shanzhi dared to question what Li Yu designed, he immediately said unhappily: "After a while, don't be surprised, you guy!"

Xiang Shanzhi laughed and said, "I don't believe it, I just can't believe it. With my son-in-law's ability, I believe it will fly."

"Old Xiang, it's understandable that Xueyi calls me a son-in-law, why do you call me a son-in-law?" Li Yu didn't understand.

Xiang Shanzhi patted the new armor on his body and said, "Just just by giving all the Detachment of Women to dress up in pure steel armor, I should call you "Son-in-law". Besides, the princess will marry you in the future. I am the princess's right-hand assistant, and I will also call you "Son-in-law is not."

"Shapeful!" Qiu Shili and He Panren sneered at Xiang Shanzhi's words of pleasing Li Yu.

Li Xiuning looked at Xiang Shanzhi with satisfaction, narrowed his eyes slightly and looked at Qiu Shili. He Panren just shook his head. He felt that these two people looked smart, but they were still more than one better than Xiang Shanzhi.

Li Yu found that the Detachment of Women's Army was no longer as united as before, and seemed to be starting to fight for power and profit, and Qiu Shili and He Panren seemed to be dissatisfied with them.

Li Yu looked at Xiang Shanzhi meaningfully and said, "Okay, let's start assemble!"

Li Xueyi looked at the people who shook his head, feeling that he had a huge thick leg and didn't know how to hug him, but he just saw a little bit of flies. He raised his thumbs up to Xiang Shanzhi and started assembling a hot air balloon.

A shrewd light flashed in Xiang Shanzhi's eyes. He looked at the soldiers he brought and said, "Start help assemble!"

In just a short while, the entire hot air balloon was assembled. In fact, there were not many things. Just a few ropes were used to tightly fix the airbag and the hanging basket, and the steering rudder was fixed on the hanging basket.

The entire hot air balloon is assembled, as high as two floors, with a height of about fifteen meters.

Originally, a few soldiers could carry the hot air balloons to the experimental field, but the weight was not very heavy, so it could be easily completed by a few people. However, Li Xueyi and Xiang Shanzhi treated this thing as a treasure and let more than 100 soldiers carry it.

When Li Xiuning saw that the hot air balloon was assembled, she happily jumped into the hanging basket and wanted to be the first person to fly.

"Princess, you'd better come down! After all, it's the first to fly to the sky." The generals under Li Xiuning persuaded them one after another.

"It's okay, as long as the son-in-law is here, everything is not a problem." Li Xueyi waved his hand. Just kidding that something happened next to a person who flew into the sky was simply a ghost.

Put the hot air balloon on a temporary platform, set up the air inlet, Li Yu personally refueled it and ignited it. He didn't dare to let the soldiers do it. If there was quality problems, it would be troublesome to fall down.

Li Yu quickly shook the connecting rod and saw a large flame emitted from the ignition device erupting into the airbag.

As the ignition device continues to increase in the fire, the airbag is slowly rising, and the rope connected to the hanging basket has been tightened, and the large hanging basket that Li Yu and Li Xiuning are riding has begun to slowly lift.

Everyone underground was shocked to see the hot air balloon really flying. They guessed that this big guy would fly, but when the real thing really flew, they still shocked them. After all, flying is everyone's dream.

"Old God, it's really flying." Li Xueyi exclaimed excitedly: "It's flying." The hot air balloon is more than ten feet high from the ground, and it is still rising.

With Li Xueyi's loud scream, everyone recovered from the shock.

With a "boom!", everyone began to point at the flying hot air balloon and screamed.

"Flying up."

"Flying up." For a moment, everyone started to yell.

"It's flying, it's really flying."

"Flying to the sky, flying to the sky." Everyone on the ground began to cheer.

Li Er and his confidants who rode a horse to Yaozhou in the distance were also shocked to see the rising hot air balloons.

"Incredible, it really flew up, even the sky could fly. This is simply a magical method!" Li Er looked at the flying hot air balloon and sat on the horse's back excitedly and shouted.

The soldiers of the Detachment of Women began to run wildly in a burst of exclamations, and kept shouting: "Fly! Fly!"

Many soldiers ran under the hot air balloon to see what happened. After reading it, many soldiers of the Women's Army were very excited, and the same was true for the generals under Li Xiuning.

(The second update, today I updated here, see you friends.)
Chapter completed!