If Feng Zi went up, then there would be no danger.
To be honest, they were not willing to go up because they were worried about the danger.
Now that Zhang Feng went up, these worries were basically eliminated.
Zhangsun understood in his heart and revealed a malicious smile. "If we go up, then what about the heavy armor and light cavalry that you promised before?"
These words reminded Cheng Chumo. He looked at Zhang Feng and quickly said, "Yes, do you still honor your promise?"
Zhang Feng smiled, thinking that these guys really knew how to take advantage of the situation. Just now, they said that they would not go up, but now that they heard that he was going up, they immediately thickened their faces and came. However, this was understandable. After all, he had promised these guys. He could only say, "Honor the promise, okay? Are you going up or not?"
"Yes, I will fight with whoever doesn't go up."
Cheng Chumo glared and raised his right hand as he looked at Zhangsun and Ma Tao. It was as if these words were meant for them to hear.
In fact, Zhangsun was extremely happy. If Feng Zi went up, then there would be no danger. He could also get a light cavalry for free. Only a fool would not go up. He quickly raised his right hand and imitated Cheng Chumo. "I'm going too. Whoever doesn't go up, I will deal with him right now."
Now, only Du Gou was left. He was unwilling to go up. These heavy armor and light cavalry had nothing to do with him. Why should he go up?
Although it should be dangerous up there, it was cold. Just thinking about the cold wind was enough.
However, when he saw Cheng Chumo and Zhangsun look like they wanted to eat him up, he swallowed his words of refusal. He could only say submissively, "Then let's go."
Zhang Feng nodded in satisfaction. "Good, Lao Tzu did not misjudge you."
As soon as he finished speaking, Ma Zhou and Hao Chujun both staggered back.
They were holding silk and many sandbags. They were so tired that they were panting.
Hao Chujun quickly stepped forward and threw down the sandbags in his hands. He panted heavily. "Teacher, I got the things back."
Zhang Feng nodded and glanced at the materials. "Start preparing now. You must be quick."
After saying that, he glanced at the setting sun. Time passed very quickly in winter, and it was almost Youshi hour. He estimated that it would be dark soon, so he had to speed up. Thus, he looked at Cheng Chumo and the others. "You guys work together and try to finish it before dark."
Cheng Chumo and the others didn't say anything and hurriedly went to help. In a short while, the hot air balloon was remade.
Ma Zhou looked at Zhang Feng and said seriously, "Teacher, the hot air balloon has been prepared. This time, I have checked it three times. There is absolutely no problem."
"Yes."
Zhang Feng nodded. Then, he pointed at the sandbags on the ground. "Put the sandbags there. Put as many as you can. If there are any other heavy objects, you can put them there too."
Ma Zhou and the others nodded and put all the sandbags up one by one. Only then did they stop.
Zhang Feng saw everything clearly from the side. Seeing that there was no problem, he took the lead and walked up the hot air balloon. Then, he looked at Cheng Chumo and the others. "You guys come up too."
Cheng Chumo and the others saw that there was no problem and that Feng Zi had also gone up. Only then did they slowly step onto the hot air balloon.
Zhang Feng glanced at Ma Zhou and said, "Untie the hemp rope."
Ma Zhou nodded and immediately untied the hemp rope.
Soon, the hot air balloon began to slowly float up. It was unknown whether it was because of the sandbags or other reasons, but the rise this time was particularly slow.
Cheng Chumo and the others no longer had the fear from before. It was as if with Feng Zi as a protective talisman by their side, there was nothing to be afraid of. They each leaned on the edge of the basket and admired the beautiful underground scenery.
Zhang Feng was not so leisurely. This time, he went up to record the approximate deviation of the hot air balloon's rise and fall due to the airflow, so as to avoid accidentally drifting far away next time.
The hot air balloon rose higher and higher, slowly passing through the clouds in the sky. After a quarter of an hour, it stopped in the air with very little shaking.
Zhang Feng stood up and glanced down. The beautiful scenery was in his eyes, but he still did not stop writing.
"Iron Bull, how far do you think we are from the ground now?"
He turned to look at Cheng Chumo and the others. In fact, he had a rough idea in his heart, but he was still a little uncertain, so he wanted to ask these guys.
Cheng Chumo raised his head and was a little puzzled. "Are you full? Why do you care about this? "
Zhang Feng did not like to hear this.
The height of the hot air balloon was related to the gas inside.
If there was more gas, it would be easier to rise higher, and if there was less gas, it would be easier to fall faster.
This guy had such an attitude towards such an important matter?
And most importantly, the hot air balloon could be used in the military and agriculture in the future.
Height was very important.
However, it was a little difficult to explain to these guys, and he did not intend to do so.
He waved his hand and said with a serious face, "Don't worry about what I'm doing. First, how far are we from the ground?"
Cheng Chumo curled his lips and was a little impatient, but he still glanced at the ground and said slowly, "This should be two miles."
After that, he looked at Zhangsun and raised his eyebrows. "Bug, what do you think?"
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