The discussion was startled by this sound, and the sound immediately stopped abruptly, and the eyes looked at the source of the sound in unison.

It doesn't matter if you look at it, but when you look at it, your heart hurts immediately, and you seem a little at a loss.

Because what they saw, what they saw that the prototype of the steam engine that they were proud of had burst open, and it was from here that the sound came from.

I saw that a large crack had opened in the upper boiler, and thick steam was escaping from it, and the bar had stopped running, and was staggered there.

There was another crisp sound, and the entire upper boiler completely burst open, split into two halves, unable to withstand gravity, and fell to the ground one after another, breaking into several pieces.

It's ruined.

When Duanmu Rong saw this scene, her eyes were split, and she ran over like crazy, grabbing pieces of fragments, and tears were dripping.

Days of hard work were ruined like this, and her heart ached.

The boiler is broken, it can be rebuilt, but the situation is not to be relieved, what does it mean to break the boiler, it means that even if the prototype of the steam engine is remanufactured, it is not easy to use, even if it is made more, it will be broken, which is the disadvantage of iron, and it cannot withstand such a strong lever at all.

The hard work is in vain, and there is no joy.

After losing their minds for a while, the craftsmen hurriedly came over to comfort Duanmu Rong, but they couldn't hide their loss.

Li Zhao looked at it and smiled helplessly, he almost forgot about this stubble, the iron of this era is mainly pig iron, pig iron is brittle, easy to crack, and it is strange that it can withstand high-intensity piston movement.

Under these circumstances, even with exquisite drawings, it is impossible to build a steam engine, let alone a train or a steam ship.

"I have to change my iron smelting technique!"

The iron-smelting technique in Chang'an Township was taught by him, and it has developed towards steel smelting, but the weapons manufacturing department is still in the backward smelting stage.

If you want to make the boiler not break, at least you have to use cast iron, cast iron is an alloy of iron, carbon and silicon, etc., in order to manufacture the current smelting technology, but it can not be smelted, and now Li Zhao's iron smelting base can smelt wrought iron, but the hardness and strength of wrought iron are not enough, and it is not a good material for making steam engines.

The iron-smelting base is also smelting steel, which is an alloy with good hardness and strength, and is a good material for casting steam engines.

The casting material can be solved, but the iron-smelting base is his, and he can't unconditionally support the weapon manufacturing department!

It's impossible.

The forging of steel requires high temperatures, special training methods, and professional furnaces.

Obviously, the weapon manufacturing department did not have such conditions and knowledge, and it was difficult to make steel, which made it difficult for Li Zhao, but soon he smiled secretly.

It's impossible to support the Weapons Manufacturing Office unconditionally, but you can sell it! The purpose of Chang'an Township is to make a lot of money, and there is such a big money owner, don't do it in vain.

Of course, this is not the moment, what is needed now is to help them cast the steam engine first, and it is okay to provide them with a little steel unconditionally.

Do business! You have to whet their appetite and finally make them want to stop.

"What can I do?" Duanmu Rong finally reacted, she had realized that the iron they smelted could not maintain the operation of the prototype of the steam engine, which showed that the efforts and surprises just now were in vain.

Without usable iron, no matter how good the technology is, it will not be able to put it into practice.

It's a hard wound.

The crowd hung their heads.

Because, no one knows what to do?

Although there are experienced craftsmen here, and there are children of the Mo family, their experience is only in the stage of smelting pig iron, and there is no concept of wrought iron and alloy at all.

In other words, although their technical pattern made Li Zhao stubbornly upgrade a notch, they did not raise their smelting level.

Everyone shook their heads, but they all looked at Li Zhao.

Since Li Zhao can help them understand the principle of steam turning balls, he will definitely be able to help them solve the problem of boiler cracking!

Duanmu Rong also looked over, and there was a girl's hope in her eyebrows, which made Li Zhao embarrassed for a while, and sighed that the anime characters were really not covered.

Especially the looming hope, the straight church can't bear it.

"This."

Li Zhao snorted his mouth, he didn't know how to speak, he couldn't say that the problem could be solved, but he needed to spend money to buy it, and he took it back when he said it.

Buying and selling! It needs to be done gradually, and then talk about it first.

"I can help you by sending you ready-made parts that you can assemble."

This will not only save them a lot of time, but also make a name for Chang'an Township.

Of course, the main components of the steam engine are cylinders and pistons, and the iron required must be hard enough and tough, and these two parts can be cast by him, and the rest is left to the ordnance manufacturing department.

After getting Li Zhao's promise, everyone breathed a sigh of relief.

Since Li Zhao said this, there must be a problem of overcoming the insufficient hardness of iron, so that the problem of cracking will be solved, and the steam engine can continue to study casting.

As long as the steam engine was built, the Mohists would be able to emerge and defeat Confucianism.

This has been the dream of the Mo family for many years!

Some of the Mo family children were excited when they thought about it.

"Of course, I only make the main components such as the boiler and the bar, and you have to do the rest."

Everyone nodded, this, it was not difficult for them.

After explaining some more things, Li Zhao immediately rushed to the iron-smelting base and found Ah Chao.

(End of chapter)