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Chapter 2085 Changes brought about by transportation
  The principle of the most primitive steam engine is actually very simple. To use the power of steam, it is nothing more than to let the steam convert its own kinetic energy into mechanical kinetic energy that can be easily used by people.

In this era, processing capabilities were limited, and it was difficult to utilize the kinetic energy of steam through things like nest fans. Naturally, the steam must be guaranteed to be under greater pressure to drive the machinery.

The principle of this device actually does not require steam. You only need to blow it with your mouth to verify whether it can be achieved.

It is simply to convert the kinetic energy of the flowing air flow into the kinetic energy of the moving machinery as much as possible.

When the flowing air flows through a closed pipe with a piston, the piston will be pushed, and the kinetic energy of the air flow will be converted into the kinetic energy of the piston. But there is no pipe in the world long enough to allow the piston to move in the same direction indefinitely. Therefore, the piston must find a way to convert kinetic energy through reciprocating motion.

And how to reciprocate? The principle is also very simple. Just put the piston in a pipe that can be ventilated at both ends. First, introduce steam from one end, so that the piston will be pushed toward the other end of the pipe, and wait until the piston is pushed to the bottom of the other end. . Then introduce steam from the other end and push the piston back.

This is the basic principle of the reciprocating steam engine. To achieve this, you only need to add a mechanism above the piston. After he is pushed to the bottom, the trigger mechanism automatically closes the air inlet at the previous end and opens the air inlet at the other end.

In this way, the recent direction can be automatically switched to allow the steam engine to run. At this time, only a flywheel is needed to ensure the cycle stability of this process, and the power can be output continuously and stably.

Before a real steam engine could be built that could be used in actual situations, related small steam engine models had been produced.

The small steam engine model is actually not that difficult. It's easy to implement. And this magical power that allows the car to run freely can almost be regarded as a miracle in this era. Even if it's not a miracle, it's definitely at the level of magic.

Fortunately, the population in this territory is gradually receiving education. I also began to have my own unique understanding of this strange phenomenon. Realize that this is not a special phenomenon created by gods. Rather, it is a power that truly originates from the natural sciences of this world.

After they clearly saw the principle of piston movement, the originally mysterious veil was lifted. In the heated discussion that followed, many people were thinking about how to enlarge this thing. How to install it on the car? How to replace the cattle to help them cultivate their fields?
  Chengying sent the steam engine design that was most suitable for this era to the factory and started production. While producing, students who had learned relevant technologies discussed how to design a steam engine suitable for this era. And give them enough resources to experiment.

The experiment was not over until they successfully designed a drawing that was almost identical to the one in the factory. After the experiment was completed, the relevant drawings were naturally put into production. But at this time, the factory had actually produced many steam engines. This is done to ensure that the scientific research capabilities of the territory will not be reduced due to his existence. Nor will time be wasted on scientific research, resulting in the inability to produce advanced equipment in a timely manner.

So after everyone discussed and implemented multiple solutions, we finally found a mature solution. Within a few days, the first steam engine appeared in the city and was installed in a textile workshop. It has replaced human and animal power and has become a tool that never stops and is tireless.

At the same time, a large number of steam engines were transported to the mines. That's where these steel monsters are best suited to unleash their abilities. There is often water accumulation in the mine caves, and water is pumped out manually. The consumption of manpower is really too great. And these machines can completely replace humans with their tireless power to complete this work.

At the same time, he can also rely on his huge strength to pull a car full of ore all the way up from the track.

If a human is doing this, transport the minecart once. It was enough to exhaust several young and strong miners.

As for the machine, as long as its power is enough to pull the car. That is tireless

The biggest advantage of being placed in a mine is that there is a coal mine next to it. There is no need to cherish the fuel for this thing, it is all around. Burning coal doesn't bother me at all.

Cheng Ying has already made a series of development plans after the emergence of steam engines. So after these things were produced and assembled in large quantities, they were immediately assigned to the positions that best suited them.

At the same time, after this thing was manufactured, the manufacturing of trains was also put on the agenda.

The most important thing is that as soon as the train is manufactured, it can be put into use immediately without the need to build rails in advance.

Because rail trains were actually born much earlier than trains. Rails can save labor. Even if trains were not invented, people discovered it. Therefore, the first people to use rails were not trains, but livestock. Rail train as a power source.

There is such a rail train between the coal mine and the industrial area. Now it is just that the animals pulling the cart have been replaced by steam engines, and very few modifications are needed.

However, most of today's tracks are made of wood. Although they are relatively strong, they will gradually become overwhelmed as the vehicles become heavier and heavier.

So while these tracks are being used temporarily, new tracks will also be put on the agenda.

Railroad rails were sufficiently manufactured for this era. And the replacement of the track is not that difficult. Because when the wooden tracks were designed before, replacement was already considered. The wooden tracks themselves also need to be replaced frequently, and they will continue to wear out during use.

In this way, the problem is easily solved. As long as the rails with the same specifications as the wooden rails are manufactured, they can be directly replaced and installed without wasting any time, manpower and material resources.

It can be said that all of this has been prepared during planning and can be replaced at any time. As the steam train roared for the first time, residents of this remote city also realized that times may have changed. In their current era, the power of steam is destined to replace human and animal power and become the most magnificent main force in the new era in the future.

And because of the emergence of steam engines, brand-new cities that did not rely on space gates were built one after another.

To a certain extent, they cannot be called cities. In essence, these are just settlements where humans gather together. In the past, they could only be called villages.

Because these cities do not have their own city walls, at most they have some low earth slopes on the periphery. Can be used as defense. But their size has far exceeded the limits of the previous city. When the previous city was the largest, there were at most 500,000 people in one city, unless it was a giant city like the capital of the empire with multiple cities connected together. Populations can reach into the millions. But it is not essentially a city, but a group of cities united together. The population within a walled city usually did not exceed one million.

At present, the population of these villages without city walls has reached the level of 10. They can no longer be called villages. They can only be said to be cities on another level.

Once the railways connect these cities to the central city with teleportation gates, you will find that the traffic in these cities is actually not much worse than the cities with teleportation gates. After the originally long distance between the two cities was connected by railway, it only took less than a day to cross a hundred miles to reach the other city, and even complete the round trip.

In the past, it was possible to achieve this level if we worked hard, but in that case only a few people and a small amount of materials could shuttle between different cities at such high speed. If it was a large army, the march would take at least several days. Logistics are even more difficult.

With the advent of railways, both personnel and materials can be transported in large quantities across different cities in a short period of time. Although there is still a huge gap compared to the instantaneous crossing of space gates, the problem is that the number of these railways can be large, and different cities can also be connected to each other.

Portals can only connect two places together, while railways can closely connect one city to other cities.

Because of this, from a certain level, the railway's additive effect on transportation is even stronger than the portal in the city.

However, in Cheng Ying's view, after the emergence of railways, the value of teleportation gates has further increased, because cities with teleportation gates can also build railways. In this way, the area that hub cities with teleportation gates can control is much larger than before. When the railway connects teleportation gates to each other, the distance between cities is shortened to the point of nearness. So close.

According to the history of this world, if you want to establish an empire, you must at least build cities on four adjacent portals on the same side.

Originally, it was relatively difficult to achieve this condition. Otherwise, achieving this level of conditions would not be enough to establish an empire.

But now with the advent of railways, it has become much easier to achieve similar conditions. Originally, the distance between cities could not exceed a hundred miles, and it was best to be within fifty miles, so that they could be counted as adjacent cities on the same side and play a role in helping each other.

But if the railway exists, even if the distance between the two cities is more than a hundred miles. As long as there are railways connecting each other, the distance between each other will take the time and consumption required to transport materials. Maybe not as good as the original fifty miles.

This means that cities that were not adjacent to each other before are now able to function as adjacent cities after being connected by railways.

Then the capital of the future empire may need to be a city network built by cities that are actually connected by railways.

And such a city network is indestructible to some extent.

Cheng Ying has actually begun to consider building such a city cluster, although the location of his initial city is too remote. There is not even another city in sight within five hundred miles, but this can be used as his rear area. He can develop technology here without worrying about being snatched away by others.

No one cares about them at all, and once they develop and prosper, it will be difficult for others to stop them.

Nowadays, urban agglomerations are spreading in all directions along the railway lines.

These cities are often built on coal mines, iron ore and other important minerals.

They were like mold on oranges, rapidly expanding on this land that no one cared about before.

The railway is like a tentacle that is about to touch the surrounding cities.

By hang gliding and your own bugs. After investigating the surrounding area, Cheng Ying has roughly obtained a map of the surrounding area, which is the location of the portals in those places around him.

And his area is truly an indisputable place for military strategists.

Even if he left his most isolated land. The nearest teleportation gate is also single. There is no teleportation gate adjacent to him on the same side. The nearest teleportation gate is also two hundred miles away.

This distance is already considered quite far for the armies of this era, and it is difficult to help each other. Moreover, there is a mountain range that is not too high between the two portals, completely isolating the two places.

The scattered portals around them all look similar. They are two to three hundred meters away from each other. It is difficult for them to help each other through regular troops. They are occupied by different forces. However, in their view, There is basically no possibility for him to compete for the leadership of the next empire in the future. The rulers are all conservative forces, and they are ready to wait until the new empire is born, just like the new empire wants to be loyal to a noble title. With their current terrain, even after the empire is established in the future, it will still be a remote area. Even if the empire's army successfully unified the empire, they would not put much energy into them.

What these conservative forces don't know is that in Cheng Ying's view, their territory is actually quite good. If these cities that are not too far apart are connected to each other, it can even be enough to build a twelve-city alliance. This is only counting towns on the same side. If you include the other side of the portal, there are a total of thirty cities that can be closely connected by railways, and the land area they control exceeds 15 million square meters. Kilometers, just the range of direct control is enough to build an empire.

[To be continued]

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  (End of this chapter)