That morning, after the siege, Yang Cong brought Zhang Juzheng and other disciples to the Hardware Academy, because the equipment developed by Wang Xuan had been completed, and the steam engine could finally be mass-produced.

The reason why he brought a few disciples to verify in person every important moment was not that he wanted these disciples to learn these technologies. He brought these disciples to him just to let them witness the birth of these new technologies or new things.

These new technologies and new things will inevitably affect the entire world in the future, and his disciples are destined to enter the court, take control of the power, and do something great, especially Zhang Juzheng, who is likely to become the controller of the entire Ming Dynasty in the future, leading the Ming Dynasty toward the rejuvenation.

He naturally hopes that his disciples can get in touch with and understand these new technologies and new things as soon as possible. In this way, when these disciples are in power, they will consider using these new technologies and new things, and the Ming Dynasty will become more and more rapid as a result.

To put it bluntly, the equipment developed by Wang Xuan is just a few drilling machines and grinders. Zhang Juzheng and others have seen many drilling machines and grinders, and they have long been used to it.

However, these drilling machines and grinders are much larger than previous drilling machines and grinders, because Wang Xuan has specially increased the size of all beds considering the output strength of the steam engine. These drilling machines and grinders can process steam pistons with a diameter of up to three feet!

This guy is three feet taller than half a person. The equipment he developed is imaginable. Even if Zhang Juzheng and others are already knowledgeable, they are still surprised to see such a huge equipment.

Yang Cong was not very surprised. He had seen any large equipment. In later factories, equipment worth tens of meters or even hundreds of meters long were everywhere. What was so amazing about these "little things" that were more than ten meters long?

He looked around all the equipment with great interest, then asked excitedly: "Sir, have you tried it? How long does it take to make a steam engine now?"

Wang Xuan was also excited and said, "This depends on the size. If it is a steam engine about one foot, you can make one set in a day with these beds. If it is about three feet, it may take four or five days to make one set, because the thing is too big and heavy, and it is difficult to carry and fix it."

Yang Cong nodded repeatedly and said, "Okay, do it about one foot first, do it in large quantities, don't stop, do as much as you can. Anyway, it's enough to use one foot for ordinary drilling machines and grinders. Let's make a few hundred sets first."

When Wang Xuan heard this, he couldn't help but ask: "What should I do with the steam locomotive? Didn't you say that the thing is ten feet long and ten feet wide? Can steam engines about one foot push? "

When Yang Cong heard this, he couldn't help but smile proudly, "Hehe, sir, you don't understand this. In fact, pushing something is not mainly about how big or heavy it is, but about how much resistance you have to overcome. If a steam locomotive is placed on a normal dirt road or a stone road, a steam engine about one foot will naturally not be able to push it. However, if it is placed on a railway, it is not necessarily the case, because there is not much friction between the track and the wheel."

Friction?

He always involuntarily brings some later nouns when speaking, which is sometimes really inexplicable.

Wang Xuan couldn't help but say curiously: "What is this friction?"

Yang Cong looked around, then ordered someone to take a copper ingot of about twenty kilograms, put it on the stone floor, and then pulled Wang Xuan down, then pointed at the copper ingot and said, "Sir, please push it and try."

When Wang Xuan heard this, he was not vague and directly stretched out his hand to push it up.

This guy, the surface of the stone slab and copper ingot have not been polished, so it is quite difficult to push.

Wang Xuan pushed a few times, and Yang Cong ordered someone to take a few wooden squares. At the same time, he ordered someone to put the copper ingot on the wooden square, and said to Wang Xuan again: "Sir, please push it again."

Upon hearing this, Wang Xuan stretched out another hand to push it. This guy was softer than a stone slab, and the friction was much greater on the copper ingot press. He couldn't push one hand, and only with both hands could he barely push it.

He couldn't help but look at Yang Cong with surprise. Why does it feel different when putting it on a stone slab or on a wooden side?

Yang Cong was not in a hurry to explain. He ordered people to take a few copper tubes with polished surfaces, and at the same time ordered people to place the copper ingot on the copper tube, and said to Wang Xuan: "Sir, please push it again."

Upon hearing this, Wang Xuan stretched out his hand with confusion and tried to push it. This time, one hand could push it easily.

He couldn't help but look at the copper ingot, then look at the copper tube, with a thoughtful expression on his face.

Seeing this, Yang Cong couldn't help but explain proudly: "This is friction, that is, the resistance that occurs when two things come into contact with each other. When one object is placed on different things, the friction is different. Just like a steam locomotive, if it is on a dirt road or on a stone road, it is estimated that a steam engine three feet thick may not be pushed. If it is on a processed railway track, it is estimated that a few steam engines one foot thick can be pushed."

When Wang Xuan heard this, he couldn't help but nodded slowly and said, "I understand that the friction is indeed a bit tricky. By the way, how are your railways and carriages doing? I've been busy making these equipments for a while, and I haven't even looked at them."

When Yang Cong heard this, he couldn't help but feel a little ashamed: "The railway is simple. Just dig the foundation, bury some gravel, then put on sleepers, and lay the rails. This carriage is not easy to make, because considering all the wheel linkage and steering issues, I only made a rough flatbed cart at this moment, and it still cannot be turned. Sir, why don't we go and have a look together?"

When Wang Xuan heard this, he couldn't help but say excitedly: "Okay, let's go and have a look. It's just that I've been bored here for dozens of days, and I want to go out for a walk."

They left as soon as they said, and the group soon arrived at the railway outside the wall.

In the past two months, Yang Cong had already ordered people to build a railway of about one mile, and now there was a huge thing on it.

This guy, the things on the rails are indeed quite huge, with a length of ten feet and a width of about one battle. He looks like a giant ship, not like a car at all.

Wang Xuan was interested in surrounding the huge flatbed car, and then couldn't help but say curiously: "A thing about a foot of steam engine can really push it?"

Yang Cong nodded without hesitation and said, "A steam engine about one foot should be stronger than a strong man. If there is no heavy object on this flatbed car, two strong men can push it."

After saying that, he waved his hand and asked the two strong guards to go to the cart.

Sure enough, the two strong guards pushed the flatbed cart without much effort and kept moving it to the distance.

Seeing this, Wang Xuan couldn't help but say excitedly: "This steam locomotive really doesn't require too much force to push. Qingfeng, it seems that we are successfully looking at it!"

Success is in sight?

This thing is not that simple. I don’t know how hard it is to build a nearly two thousand miles of railway.

Yang Cong's eyes couldn't help but look into the distance with the samples of the "steam locomotive".

Success is in sight?
Chapter completed!