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"Woo woo woo ......"

"Whoop, whoop, whoop......"

Li Qingzhao, who witnessed the locomotive running, couldn't help but be excited: "It's running!" It's running! Official, look, this train is really running! ”

Compared with Li Qingzhao, a group of scientific researchers who have already seen steam locomotives run and have repeatedly experimented many times, although they are also very excited, they are far less excited than Li Qingzhao.

Liu Huiniang looked at it for a while and said, "Official, we seem to have successfully developed it, but it's just ...... The speed of this train is much worse than what the officials say, countless times faster than a horse. ”

The speed of this locomotive is much faster than that of the previous steam locomotive, about fifteen or sixteen kilometers per hour, which is almost equivalent to the speed of a person walking briskly, and, because of the rails, it also solves the disadvantage of not being able to turn.

It can be said that human civilization has taken a whole big step forward.

Of course, this locomotive is still a long way from being put into use.

But even so, Li Yan was very happy to see that under his own leadership, human beings had finally developed a train.

Li Yan said to Liu Huiniang, Li Qingzhao, Bai Varhan and others: "Although it is still very slow, I believe that in the near future, it will definitely change human travel!" By that time, I will have to lay railroad tracks in all regions of Dazhong, no, I will have to lay railroad tracks all over the world, and by then, it will only take one day to get from Tokyo to Yenching, and it will only take three or five days from Yenching to Khmer, and it will only take ten days from Yenching to the far west! ”

After listening to Li Yan's enjoyment, Li Qingzhao wanted to say: "This is impossible to achieve. ”

But looking at the steel monster running not far away, thinking of the various miracles that Li Yan had created in the past, Li Qingzhao couldn't help but say in his heart: "Maybe there will be a day when it may not be." ”

Suddenly!

There was a strange noise from the locomotive that was still running!

Li Yan and the others all raised their hearts, and Bai Valhan even ran towards the locomotive and asked, "What's the matter?" ”

After a short time, the man in the locomotive poked his head out and replied loudly: "The turning rod is broken, and the wood can't be made, it must be made of steel!" ”

Slowly, the train stopped.

The main scientific researchers, including Li Yan and Liu Huiniang, all flocked to the locomotive, and Bai Valhan jumped directly onto the locomotive to check the current situation of the locomotive in person.

After checking the locomotive inside and out several times, Baivarhan and the others got off the front of the locomotive.

Bai Varhan came to Li Yan's side and reported: "Official, the train we developed should be successful, but it still has many problems, and the main problem this time appears in the transmission components, the minister has carefully checked it just now, not only the turning rod is broken, but the other wooden transmission components also have different degrees of cracks, and these transmission components must be made of steel." ”

This is not a problem - this is the R&D stage, and the use of wooden components can greatly shorten the R&D time, after all, wooden ones are much easier to make than steel ones, and when they are almost developed in the future, they can be replaced with steel ones.

Another researcher, that is, the contemporary giant of the Mo family (the contemporary patriarch of the Mo family), said: "The material of this component is not a big problem, the real problem is still in the steam engine, the official family proposed to replace coal with oil to make the steam engine, the direction is not wrong, but the heat of oil combustion is far greater than coal, the steam engine we developed can not withstand this heat at all, the minister has just carefully checked the steam engine on the train, only ran for such a short time, it has become hot, so, Even if there is no problem with the components, our steam engine will not last too long, so this steam engine still needs to be improved, in addition, Chen feels that at this stage, coal as the driving force should be enough, which can also greatly reduce the difficulty of our research and development. ”

After coming to this era, Li Yan realized that he really underestimated the ancients.

In fact, both media and oil have been discovered and used in this era, even earlier.

Coal was used in large quantities in production and living in the Han Dynasty.

However, at that time, coal was not called coal, but was called annihilation, stone, black pill, etc.

It is recorded in the Han book, "Yuzhang is out of stone, and it can be burned as salary".

There are also records in many documents that coal has been used as fuel to make iron in the Western Han Dynasty.

After the Han Dynasty, there were more and more records about coal, such as the use of coal for cooking in the "Yuzhang Ji", which shows that the use of coal was already very daily at that time.

In addition to iron smelting and cooking, there are also records during the Northern and Southern Dynasties that people used coal for heating at that time.

In the Song Dynasty, a major change occurred in the use of coal - the Song Dynasty began to use coke to make iron, which was a very important and epoch-making invention in the history of metallurgy, compared to Europe, China was hundreds of years earlier. At the same time, the Song Dynasty was also the most effective era for the development and utilization of coal in ancient times, and it was an era of large-scale mining and widespread use of coal in China. It was also in the Song Dynasty that "coal" officially became the name of coal.

Oil also appeared early.

A few decades ago, Shen Kuo wrote in his "Mengxi Pen Talk Magazine I": "There is oil in the territory of Yanyan, and it is said that Gaonu County produces fat water, which is it. ”

And Shen Kuo was only the first person to record oil in writing, in fact, the Chinese have long known about the existence of oil and began to use it.

Therefore, it is logical that Li Yan used coal and oil in steam engines.

It's just—

Li Yan's thinking is running too fast, and Bai Valhan and Mo Juzi's R&D capabilities can't keep up with Li Yan's thinking at all.

Take this steam engine, for example.

Bai Valhan and Mo Juzi were barely able to use coal to start a steam engine, and Li Yan told them that they could use oil to start a steam engine, but as a result, their steps were too big and they were torn to the egg.

But—

It's all trifles.

As long as the direction is right, you can improve slowly.

Li Yan gave orders to Bai Valhan, Mo Juzi and others, asking them to immediately improve the locomotive and launch the second generation of locomotive as soon as possible.

At the same time, Li Yan had the railroad tracks laid out of the Chinese Academy of Sciences and through all the downtown areas of Bianliang City.

For the sudden appearance of the railroad tracks, everyone in Bianliang City felt a little inexplicable, and they didn't understand what the imperial court was trying to do?

It wasn't until a few months later that a steel giant burst out of the Chinese Academy of Sciences.

When people saw this, they all scattered and fled, thinking that the "giant beast" was coming to harm people!

When people fled to a distance, they saw that although the appearance of this "giant beast" was very scary, it seemed that it would only run along the railroad tracks.

More crucially, there is a person standing above the head of this "giant beast".

This man...... It turned out to be their Emperor Majesty.

At this time, the personnel of the Chinese Academy of Sciences who were mixed in the crowd explained to the people: "This is not a monster, but a train, it can carry people and things, and it is a ...... developed by His Majesty and our researchers from the Chinese Academy of Sciences."

People who have not experienced the impact of this steel giant beast, after seeing the steel giant beast roaring past, are all shocked, and they are all impressed by Li Yan, who invented it.

Soon after, the imperial court introduced something called the "loom", which could spin many cotton threads at a time, which greatly improved the efficiency of weaving, and the quality of the cloth woven by the loom was better than that of hand-knitting.

After another period of time, the people of the Chinese Academy of Sciences began to ride a group of strange cows to travel - under the guidance of Li Yan, the bicycle was also born.

Slowly, an industrial revolution consisting of steam engines, coal, iron, and steel, forcibly introduced by Li Yan, began to break out......

……