There are two kinds of pulleys: fixed pulleys and dynamic pulleys, which are combined to form pulley sets, which can both save effort and change the direction of force.

What Chu Feng wants to do is the simplest pulley set, which consists of a fixed pulley and a moving pulley.

Using his saber, he slowly dug a small hole in the center of the circular wooden block, and then used a flat stone to grind the edge of the wooden block, grinding out a half-centimeter-deep groove to secure the rope and prevent it from sliding left and right.

Chu Feng used his saber to cut a piece of wood, through the round wooden block, trying to pluck the wooden block, which could be rolled.

He followed the same method, spent more than half an hour, and made another pulley.

“It would be better to drip a little more moist I lubrication oil.” Yun Xin picked up the prepared pulley and tried to pluck it, although the pulley could roll up, but the resulting friction was not small.

“When you use it, I don’t know if I can do it.” Chu Feng said softly, now just wait for tomorrow to put up the tripod and install the pulley set for testing.

“Yes, in theory, yes.” Yun Xin nodded seriously, the composition of the pulley set is very simple, and there are applications in many places in reality.

“Well, Xueba said yes, then there would be no problem.” Chu Feng quipped.

“That is.” Yun Xin was a little proud, but in terms of reading, he was recognized by the school as a bully.

“It’s still a school bully who can cook, which is rare.” Liu Yimeng sighed.

She still remembers those school bullies, almost all of them are eating to open their mouths, clothes to stretch their hands, and cooking only a simple instant noodle.

“Not so exaggerated~” Yun Xin blushed slightly, praising too much will be difficult to overwhelm.

“Well, if you boast any more, she’s going to float to the sky.” Chu Feng quipped.

“Not really.” Yun Xin glanced at him.

“Hahaha~~”

Chu Feng smiled in the girl’s white eyes and said, “It’s not too early, let’s all go take a bath.” ”

“Okay.” The three women answered in unison and went downstairs with a change of clothes.

Nearly an hour later, the four of them sat around a wooden table after taking a shower, playing chess and spending time.

………

In the next three days, Chu Feng took his three daughters to the upper reaches of the stream, harvested the thorny branches, and covered the fence with a layer of thorns, which greatly increased the sense of security.

In three days, it took two days just to collect and carry thorny branches, and it took a whole day to fix the thorny branches to the fence, and it took a whole day until dark to finish all the work.

In the early morning of the fourth day, the sky was somewhat gray, and today there was no sun, and the fog was heavy.

“Ah~” Chu Feng slowly opened his eyes, opened his sleeping bag and carefully got out of bed.

He put on his shoes, stepped to take the toiletries from the wooden shelf, turned and pushed open the wooden door and went downstairs.

Chu Feng looked up at the sky and whispered to himself, “It’s foggy, it doesn’t look like it’s going to rain.” ”

He was going out hunting today, and if it rained he would have to postpone it.

Chu Feng finished washing by the stream, turned and walked toward the wooden house, and at the same time ordered in his mind: “Check in.” ”

A virtual screen popped up before his eyes and showed the date of the 12th lit up, the hundredth day of coming into the wilderness.

“A hundred days?” Chu Feng raised an eyebrow.

“Chu Feng, what hundred days?” Liu Yimeng yawned and came down from the stairs and met Chu Feng at the landing of the stairs.

“Today is the 100th day since the start of the race.” Chu Feng smiled.

“Is it that fast?” Liu Yimeng’s expression was stunned, unconsciously it had been a hundred days?

“Hmm.” Chu Feng nodded his head firmly, would the time of system check-in still go wrong?

The system signed in two days earlier than when I came to the wilderness, and now three months have passed since the check-in, and today is the twelfth day of the fourth month.

“That is to say, we will stay here for two hundred and sixty-five days.” Liu Yimeng pulled his face, and it was a long number to hear for more than two hundred days.

“Soon it will pass.” Chu Feng smiled lightly, raised his hand and patted Liu Yimeng’s shoulder, and stepped upstairs.

More than an hour later, people were sitting around a wooden table with a steaming breakfast on the table.

“Yun Xin, how much bacon is left?” Chu Feng asked curiously.

“There’s still one day left.” Yun Xin replied in a gentle voice that the previous few days of carrying thorny branches was very tired, so he cooked lunch and reduced the original small amount of bacon again.

“Well, go out hunting today.” Chu Feng nodded lightly.

Yun Xinxiu frowned slightly, and asked with concern, “Where are you going to hunt?”

“Go deep into the jungle and explore farther afield.” Chu Feng said softly.

“There’s a leopard there, it’s too dangerous.” Yun Xin said with a straight face.

“Rest assured, I can handle it.” Chu Feng cast a reassuring look at the young girl.

“I’m not at ease.” Yun Xin pouted with a worried face.

“Well, it’s all right, I’ll take the knife with me.” Chu Feng gently reassured that if you want to go out hunting, you must also get the girl to this level.

“Go to such a dangerous place every time.” Yun Xin sighed and wanted to support Chu Feng’s decision, but he was worried that he would encounter danger.

“Don’t worry so much, I can kill the leopard with one punch.” Chu Feng bent his arm, and his biceps full of strength was revealed.

“You must be careful, it doesn’t matter if you can’t hunt, you must come back safely.” Yun Xin seriously instructed.

“Well, it will.” Chu Feng seriously assured.

“I’ll keep an eye on him, you can rest assured.” Liu Yimeng swore and patted his chest.

“You should be more careful not to drag your feet.” Liu Yiqiu said with a flat face.

“That said, I’m Chu Feng’s right-hand man.” Liu Yimeng pouted and shouted.

“Rest assured, I will look after her.” Chu Feng smiled and said that even if the two people entered the mountain forest and encountered the leopard, he was at least sure to leave safely.

“Okay.” Liu Yiqiu looked at Chu Feng gratefully.

“I’ll go pack your things.” Yun Xin stood up and carried a bamboo basket to put in the wood knife and the bamboo tube filled with water, along with some salt and dry food.

“I don’t have to bring that much, I’ll be back before dark.” Chu Feng smiled bitterly.

“No, you said the same thing before, and you didn’t come back the next day.” Yun Xinjiao said that the food and seasonings in the bamboo basket are the two days of use.

“No need for bacon.” Chu Feng opened his mouth again, and the girl put the rest of the bacon into the bamboo basket.

“Bring it, just in case, Sister Qiu and I are in the camp, and there are rabbits and fawns that will not be hungry.” Yun Xin said softly.

“Don’t worry, there’s also smoked fish and dry food.” Liu Yiqiu also said softly.

“…… Then you have to catch the rabbit to be useful. Chu Feng sighed and asked the two to catch the rabbit, I am afraid that they will starve to death.

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