Thomas's little train made Gao Li see the infinite possibilities of the future, and also made him full of confidence in the future.

In fact, Gao Li was really embarrassed for a while as to whether to choose to use a long-distance real gas truck for freight transportation or to get on a real gas locomotive in one step. Trucks may be better in terms of adaptability, but a large number of trucks require a lot of labor costs, and Gao Li is not worried that he will run all over the world. Moreover, the manufacture of wagons is actually not simpler than the manufacture of trains, and at present, in addition to the front and chassis of Gaoli's trains, the rest of the train can be replaced with wood, which reduces weight and is convenient for loss and replacement. One locomotive can carry at least 30 carriages, such an efficient freight volume, a railway only needs one train formation, can be able to meet the current freight demand.

Of course, the most important thing is that Gao Li needs to create an atmosphere. The so-called atmosphere is that the real gas car is very expensive, high-end things, and cannot be used for rough work.

Therefore, between the two, Gao Li decisively chose the train.

After the successful test run of Thomas's little train, Yun Qingyang also returned with full enthusiasm with the topographic map he had explored. This old comrade is quite good, he actually drew a map of Yanan's entire territory!

Of course, the so-called map of the whole territory is not very precise, but it does already cover the general topography of several major provinces in Yanan. Gao Li taught Yun Qingyang to use the contour tool to mark the terrain, and as a first-time person who came into contact with this thing, Yun Qingyang accepted it very easily.

Looking at the topographic map in his hand, Gao Li exclaimed: "You really deserve to be an old-timer known as the 'Saint in the Clouds', your flight time for so many years is really not bragged." With this map, it will be much more convenient for us to plan the railway in the future!"

Hearing Gao Li's words, Yun Qingyang was happy, and he said, "What is this! I just drew a rough sketch, don't worry." I'm going to get ready a little bit, and then I'm going to start with the border mountains and draw an accurate topographic map!"

Looking at Yun Qingyang, who hurriedly left with joy on his face, Gao Li didn't stop him, because he knew that this old-timer had finally found something to do, so let him do it, and he should be more or less distracted.

With this sketchy topographical map, Gao Li immediately threw himself into two things.

First of all, Gao Li immediately rushed to prepare a rough railway plan, and then this plan was handed over to Empress Tsinghua of Yanan, along with the cargo transportation plan he had already written, so that she could discuss the feasibility with the princes.

Conservatively, at least three princes over there must agree. In fact, Gao Li has no confidence in his heart, because the construction period of the railway is long, the investment is high, and there is almost no direct return, especially the freight railway in the early stage. Ordinary people may not be able to understand the impact of cargo transportation on the economy, and it is estimated that no one is willing to respond except for the three irons. Especially when he was so reluctant to pull them to serve the empress again, these people must have mustard in their hearts, and with mustard, it is naturally difficult to communicate.

However, Gao Li underestimated Yanan's group of princes.

The railway plan was first warmly responded to by Nguyen Weivu, who wrote an enthusiastic letter directly to Gao Li, expressing his full support, and he not only listed the advantages that Gao Li thought of, but also thought of the possibility of future passenger transportation.

Gao Li smiled when he saw this letter, Ruan Weiwu must be willing, because no matter how the railway is laid, it will eventually enter his Yong'an territory, and he occupies the right time and place, and he wishes that the railway would be covered with Yanan.

Then, letters from princes from all over the country also came one after another, and everyone said that railway transportation is beneficial to the country and the people, to the present generation, and to the future.

It's just that...... The price is just too expensive.

In his letter, Gao Li not only explained the benefits of railways, but also explained the difficulties of railways. The first is the price. Ordinary officials build roads, which is basically rubble and mud tamping, and in this era, it can be regarded as road construction. The railway is different, first of all, it is necessary to build the roadbed, tamp it, lay stones, level, lay sleepers, and lay rails. When the princes of Yanan received the letter, they couldn't fall asleep, and after reading it carefully for half the night, they could see the words in the cracks, and there were two words written all over the book: 'Silver!'

Especially the ones in front are okay, and the last one, the railroad track, can only be made by Gao Li. Only Gao Li can pave, and the price of this kind of formed track steel is also quite amazing, steelmaking, forging, forming, quenching, and laying. Every step here is money.

Yanan itself is not a developed place, and if they want to support such a large-scale project, these princes feel a little overwhelmed.

This is actually very easy to solve, as long as you calculate this part of the funds and allocate them reasonably. Yanan has a lot of surplus labor, and it should be good to mobilize all of them to build roads. The track laying will be handed over to the professional, and the secretary will go back and let the secretary group carry out the investment accounting to see the approximate investment ratio of the two parties.

Of course, in exchange for intentions, Gao Li did not expect a letter to solve all problems, and to really solve the problem, he had to sit down and talk. In his reply, he invited the princes to come to Yannan for themselves to see and feel the future of freight transportation.

After dealing with this matter, Gao Li immediately moved on to the next development.

It is the most important piece of equipment for road construction.

Level.

As I just said, the so-called road construction in this world is nothing more than a few stones to tamp down. Most of the wild roads don't actually exist, but are trodden all the way by caravanserais. Under this premise, it is an extravagant hope that there can be any smooth road, which is why Gao Li does not want to get a real truck.

And the level is something that appears for this kind of use environment.

As a child, Gao Li would often see someone holding a tripod-mounted telescope to look into the distance, while another person stood in the distance with a ruler. At that time, Gao Li guessed many possibilities, what this thing was. Later, when I grew up and read it, I realized that this was called a level. To put it simply, this thing is here to measure the drop from the ground.

With the help of this thing, a large road can be built flat and wide. Especially in railways, there is a high demand for the smoothness of the road surface, which is even more essential.

Fortunately, the level is not complicated, and the technology that should be there is Gao Lidu pointed out, all he needs to do is draw the design drawing, and then place an order for the factory.

【】

Time flies, and in the blink of an eye, the Martial Kingdom and the East China Sea Heavenly God Kingdom have started a war. The battle reports kept shuttling, and Gao Li could get news from both sides of the Eighth Prince and Zuo Lin, and look at the problem from two different perspectives.

On the whole, Wu Guo did not take advantage of anything, and even suffered a slight loss.

It turned out that since the last time, the emperor had experienced the grievance of being blocked off the coast, so he actively searched for talented people and communicated with the kraken, and finally, the hard work paid off, and he found a man guarding the lighthouse alone on a certain coast. This person's mother is a kraken, and his father is a native of Wuguo. He was born to travel freely between sea and land, and with his help, the Warrior Kingdom established close ties with a Siren Realm and was protected by them. Since that time, the Wu Kingdom has been building large warships by the sea, and this time, it is this kind of warship that transports the pride of the emperor, the Heaven-Breaking Legion, and the goal is directly aimed at the Kingdom of the Heavenly Gods.

At the beginning, the Heavenbreaker Warrior killed the Celestial God Kingdom by surprise and achieved some results. But as the Kingdom of the Celestial Gods came back to their senses, the Suncheon warriors joined the battle group, and the two began to come and go.

In general, relying on the geographical advantage, the Celestial Kingdom won the majority.

Yes, Emperor Wu lost.

But even so, Emperor Wu still had no intention of asking Gao Li for help.

Since this emperor is so arrogant, Gao Li is naturally not interested in taking the initiative to help, maybe people have some high-end ideas.

Rail processing requires a large combined rolling mill to roll rectangular steel strips into I-beams step by step. Then through a large straightening machine, the deformed rail is straightened. Large-scale quenching equipment is also required, which is quite a test of industrial design.

Yannancheng and Lizhuang started construction at the same time, and these equipment parts were made little by little. Because Gao Li has already unified weights and measures, there is naturally no problem with the data. In the end, Gao Li still placed the production plant of the railroad in Yannan City, because there were enough factories available here, and Yanan could also provide enough iron ore to Yannan City to ensure the supply of steel.

All the parts were made up little by little during this time, and some details of the prototype also needed to be readjusted, such as placing the cab in front for a better view. For example, the surface of the wheel is quenched in a ring.

There are many things, all the same, one by one.

As long as the eagle demon hasn't hit yet, Gao Li has patience.

The princes of Yanan finally ended the long domestic negotiations and began their first group visit, and upon receiving the news, Gao Li immediately made an announcement throughout the city. Inform all the people in the city to pay attention to cleanliness and hygiene, pay attention to grooming, and welcome the arrival of Prince Yanan with a new look and a high-spirited attitude.

Hearing the news, the entire Yannan City immediately mobilized, just like a school that was welcoming the inspection of the leaders - of course, because Yannan City was already very tidy on weekdays, it didn't cost the people and money. In this way, when the princes of Yanan entered Yannan City from the south gate, they were all dumbfounded.

"It turns out that this is the legendary one, Yannan City. "It's the Blood Wolf King Wolin who speaks. He had been to Yannan, and the Yannan City in his memory was like a terminally ill person, alive, but he was about to die. Therefore, although he occasionally heard Ruan Weiwu mention the prosperity of Yannan City, he also scoffed at it. In his opinion, no matter how capable that Gao Li was, how could he transform Yannan City in a short period of time?

At this point, however, he was shocked by the facts.

"It turns out that there are really such powerful people in this world?" Wo Lin seemed to say to himself, and then glanced at Ruan Weiwu on the side: "I understand why you followed Gao Li with all your heart." The wonders in front of you, who can not be amazed when you see it?"