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"What is this guy riding?!"

"Which of you has ever seen that thing?"

"It's not like a magic weapon, and besides, a Taoist can't use a magic weapon. ”

"It can't be a magic weapon, I think it's like ...... Two-wheeled vehicles. ”

Hu Yunhong pedaled the "two-wheeled vehicle" with all his might, and the degree was fast. When he was about to approach the martial arts arena, he beautifully slapped the dragon's head, took one foot as the center of the circle, let the car go in a semicircle, and stopped with a "swish".

This classmate Hu was also a little overexcited, and he forgot that he was carrying a small iron ember he met halfway in the back seat. Fortunately, the latter was good, and jumped out of the car with a volley at a critical moment.

Because he was facing the east where the sun was rising, he squinted and touched for a long time before he saw Li Zisheng in the crowd.

This child, who has always been honest, waved excitedly to the young man and shouted: "Lei Gong, look! I have made your bicycle!"

Li Zisheng walked out of the crowd and stepped forward, he also happily patted the other party's shoulder and praised: "Not bad, not bad." Lao Hu, I really didn't expect you to make this bike so quickly!"

Hu Yunhong said shyly: "If it weren't for my father's action, I wouldn't have been able to do it in such a short time." ”

The father and son of the Hu family are worthy of the four-character comment of skilled craftsmen, so they built this bicycle with the sketch sketched by Li Zisheng.

Don't underestimate this bike, it's a veritable "high-tech" product.

In other words, I am a great celestial empire, and it will not be until 49 years later to produce all domestic bicycles. Before that, most of the parts had to be imported before they could be assembled domestically.

That's because a bicycle has ball bearings, gears, chains, rubber tires, etc., which are all parts that require a complete industrial system to be made.

But fortunately, this is a Xianxia world, and many of the technical problems in our plane are not a problem at all for a refiner like Hu Kaishan.

The craftsman is just missing an idea.

In fact, a bicycle that seems to have a clear structure is a complex machine composed of many simple machines.

Machinery does not specifically refer to machine equipment, such as chopsticks, brooms and tweezers. Of course, they are simply mechanical. A complex machine, on the other hand, is composed of two or more simple machines.

Usually we call these more complex machines machines.

From machine to machine, that is, like from ape man to human, this step is small but very important.

The great significance of the machine qì is to transform the energy exerted on it into the most useful form.

The wheel is a kind of machine, and in order for the wheel to turn forward, it must also provide a forward force. However, when a person or livestock directly provides pull or thrust to the wheels, it also has to overcome the potential energy decline and ground resistance caused by the change of center of gravity. This is what the ranking magistrates learned in high school.

Bicycle is such a complex machine. In fact, it is a combination of simple machines such as many wheels. The pedals, cranks, and sprockets are the power source, and the chain, bottom bracket, and flywheels are the transmission parts, plus the front and rear wheels are the mobility devices. Of course, there are also steering controls, braking devices, seat rear racks and so on.

These wheels, gears, and levers, when combined, convert almost all of the "total work" done by people into useful "mechanical work", and the "extra work" used to overcome the waste of potential energy and ground resistance is greatly reduced.

Everyone present, including Li Zisheng, didn't realize that at this moment, when this bicycle appeared in the Great Jiuzhou World, it meant that someone finally took the initiative to superimpose the machinery on top of other machinery and make the machine.

In this way, human beings have another way to harness the power of heaven and earth...... That is to say, today's Zhongzhou "Yuan Qi + Yuan Shen + Yuan Shi Technology", such a science and technology tree has grown a strange branch.

For now, of course, the kids in their early teens just think of the bike as a fun toy, including the teenager himself.

"Old Hu, you can do it!" the young man looked at the bicycle and couldn't help but admire.

This "car zero" is indeed gorgeous, with a sense of beauty that blends "Chinese style" and machinery.

The metal materials used on the car are the unique black steel of Iron Mountain City, which is doped with a little black iron to prevent rust in the refined steel, so it is named after the dark and dark tone, which was originally used to create a good mortal blade. The use of such metal also makes the car look elegant and generous, with a "low-key luxury".

The dragon's head is carved from a whole piece of fine iron and wood, and this image is still a dragon that swallows clouds and spits out fog, which is really a veritable "dragon head".

In the middle of the handlebar is a "real dragon head" that breathes clouds, and the forks that connect the front wheels to the front wheels with the handlebars on both sides are four dragon claws holding the orb, and the rest of the body is a dragon body carved with scales and decorated with moire. This carving is exquisite, and at first glance it comes from the hand of a master, which adds a touch of atmosphere to this car.

The car is more of a work of art than an industrial product.

After Li Zisheng read it carefully, he was also impressed. Feeling that this car was a little exaggerated, he couldn't help but ask: "Lao Hu, how much is this car?"

"Money, what money? Hey, this car is yours. Hu Yunhong touched his head and said with a smile: "My father was deeply impressed when he saw your design drawings. He said that your drawings are very valuable! If it weren't for his old man's work, I wouldn't know how to get some parts. ”

"Oh, I didn't expect it to alarm Ling Zun. ”

Hu Yunhong said embarrassedly: "It's okay, it's okay." My father also said that I would like to invite you to come over the door when I have a chance. ”

Li Zisheng agreed: "Okay, okay." There is a chance to come to the door to ask for benefits. ”

Hu Yunhong got out of the car with one leg on his side, pushed the car in front of the young man, and said as if offering a treasure: "Senior Brother Li, you can try it." ”

"Okay. The boy readily agreed and took the car.

He grabbed the handlebars, pushed a few quick steps, and as soon as he flew up, he sat in the middle saddle and began to pedal his feet.

Li Zisheng, a cultivator who has practiced the body method since he was a child, has the ability to balance without a problem, and he doesn't need to deliberately grasp his center of gravity at all, and rides smoothly.

Under the envious gaze of the Daoists, he rode around the martial arts arena.

When the boy returned to his place, somehow, the first thing he noticed was Liu Wuflaw, who was looking at the bicycle curiously with a pair of almond eyes.

Li Zisheng jumped out of the car in a dashing manner, pushed the car and walked in front of her, and said sincerely: "Senior Sister Liu, do you want to try it?"

"Hmph, I don't want it!" Liu Wuflawless blushed, turned his head and left.

Before the boy could start to chase after him, a circle of Dao Sheng had already gathered around.

Xiao Jiaqi complained: "Okay, Lei Gong." You tinkered with such a fun thing with Lao Hu, and you didn't say a word to me, don't you take Ben Gongzi as a friend?"

Li Zisheng now knew that this classmate was straightforward, so he didn't mind at all and said, "How can it, I didn't expect Lao Hu to make this bicycle so quickly." Come on, come on, I'll give you a try. ”

"Well, that's pretty much it. Xiao Dagongzi happily took the handlebar and rode like these two people.

Someone asked Hu Yunhong: "Classmate Hu, is this bicycle made by your workshop?"

Hu Yunhong said with a little pride: "That's right, it was paved by our Hu family." ”

Someone next to him interjected, "What is this...... How much does it cost to sell a bicycle or not?"

Some Taoist students chimed in: "Classmate Hu, I want one too!"

The Taoist students in the heaven and earth character classes are either rich or expensive, and when they see this fresh and interesting toy, they don't immediately buy one for themselves to play with, and they are ashamed of their origins.

Just as the sky was about to boil, a bell rang to announce the beginning of today's morning class.

The Taoist students, even the eldest son Xiao who was riding happily, could only obediently return to the martial arts arena and began to practice under the supervision of the Taoist masters.

However, when the morning class ended, Hu Yunhong, who had never attracted attention, suddenly became the focus of everyone, and he couldn't even eat lunch.

Everywhere he went, he was surrounded by a circle of small buyers who had ordered bicycles, making the kid have three big heads in one small head.

Hu Yunhong didn't pay attention, quietly pulled Li Zisheng to the corner, and asked, "Senior Brother Li, can my family sell your bicycle?"

The boy naturally blurted out, "Why not? Of course you can!"

Hu Yunhong hesitated and said, "But...... This car is designed by you. When the time comes......"

"Oh, that's what you say. Just divide the royalties with me. Li Zisheng replied as a matter of course.

"Royalties?!"

The young man was not dark-hearted, and explained: "It's the profit of each car that gives me...... Well, three achievements are good. ”

"Ah?!Sancheng?!" Hu Yunhong said in surprise.

"Thirty percent too high?"

The honest boy honestly said, "No, it's too low." It's not all your creativity, at least half of it!"

The young man said boldly: "Hey, let's not worry about this between us." Besides, I'm going to ask you to build a few more cars that aren't so fancy, well, that...... The popular version is for me those line specialists. ”

Hu Yunhong nodded and said, "Okay, no problem." ”

He turned his head and was about to solicit business, but was stopped by the young man.

Li Zisheng asked, "Lao Hu, how much do you price?"

Hu Yunhong blinked, touched the back of his head and said, "I'm thinking, Fang Yuanshi is almost enough." ”

"Huh?!" the boy was taken aback, the price was really beyond his expectations, "How much does my car cost?"

Hu Yunhong thought for a while and said, "I really haven't counted this, but I didn't use much material before and after." And it's all iron, and it's broken and refurnaceed. ”

"It's a bit more manual! Your father made this by hand, and the dragon head was carved by a friend of his. But that's a trial production, and after figuring it out, it's just assembling it for the workers below. ”

"So, this Fang Yuan Stone must have something to earn, and there is a lot of it. ”

"That's it......" Li Zisheng rolled his eyes, "Then is this price, we will ......"