After the fainted man was sent to the hospital, Zhang Haogu took Zhang An back to the inn, and Zhu Youxiao also followed.

The clockwork was still on the table in the inn. Zhang Haogu knew it very well. Zhu Youxiao was determined to pursue him until he got the clockwork out completely.

He joked: "Look at those people who are ecstatic and beating their chests. It's really exaggerated. Fortunately, you told me in advance so that I could be prepared. Otherwise, I wouldn't know my position until the results were released."

Ranked in the top three, will it be like them?"

Zhu Youxiao said: "I also happened to know about the imperial examination."

Zhang Haogu asked him deliberately: "According to the custom, give the person who brings the good news a piece of silver, Zhang An."

Zhang Anzheng is about to pay

Zhu Youxiao said: "No need, I am not here to tell you the good news, not for money."

In fact, Zhang Haogu knew exactly what he was doing.

But he couldn't say it himself. If he took the initiative to show courtesy, he would inevitably end up with a flattering face. He had to wait for Emperor Tianqi to say it himself, and then work with him to figure it out. This is not a king's subject, but a close friend.

Having said this, Zhu Youxiao paused slightly, "I'm here to tell you the good news in advance, just to calm your mind and not worry about the imperial examination, so that you can focus on clockwork."

Zhang Haogu deliberately looked like he was in trouble, scratched his head, and fidgeted for a while before saying: "I owe you a favor for this matter, and I should agree to your request. It's just this clockwork, I want to really make it happen.

, there are still many difficulties..."

"What's the problem? Can you tell me?"

Zhang Haogu thought to himself that Emperor Zhu Youxiao was not an ordinary absurd person in history books. He could basically do anything for his own interests and hobbies.

But he was also an emperor, held a high position, and was rich all over the world.

Such an emperor is considered fatuous and incompetent in the eyes of his ministers, and is notorious in history books.

Ming Xi Zong.

Xi is not a good font name.

But in Zhang Haogu's eyes, this guy is actually just a young man with a special hobby.

Don’t you just like carpenters?

If he were not an emperor, he should be a good carpenter.

But if he were not the emperor, where would he get so many things for him to study carpentry?

If Zhu Youxiao's interest can be used to create a clockwork, it might be of great use in the future.

Let Zhu Youxiao become the emperor who enters science?

Thinking about it, it's quite interesting.

Zhang Haogu picked up the clockwork on the table: "This kind of clockwork can only drive two gears. If possible, by adding more gears, we can make more complex and exquisite things. But it's a pity.

…”

"What's a pity?" Zhu Youxiao became more and more fascinated as he listened. Every time Zhang Haogu stopped to speak, he would ask.

"It's a pity that it's too complicated. It's too difficult for you to do it all at once. However, if you want to do something complicated, you might as well start with something simple first!"

"simple?"

Zhu Youxiao became interested: "How about a simple method?"

"It's just fun, the structure is simple!" Zhang Haogu thought for a while: "First of all, you have to make this thing move!"

"Move!"

Zhu Youxiao immediately became interested.

Zhang Haogu picked up the paper and pen, but hesitated before he finished the ink. The clockwork has many uses, what can he get out of it?

On the street outside the inn, several children were laughing and playing, and the childlike laughter reached Zhang Haogu's ears. He suddenly had an idea, he had it!

I saw him painting carefully on the paper, outlining the outline without any modifications. It was not an art painting, but a drawing.

"What is this?"

Zhu Youxiao looked at the things he had drawn and recognized that several of them were mechanisms composed of gears, which were apparently complete clockworks.

And the one drawn in the middle is a frog?

Clockwork frogs are all Zhang Haogu’s childhood memories before he traveled through time.

This thing was simple to make and cheap at the time, but it was quite interesting and very popular among children. At that time, clockwork frogs could be seen in almost every household, and the children had a great time playing with them.

Zhang Haogu put down his pen and drew each part of the clockwork frog separately.

He pointed to the drawings: "As long as you make these and assemble them together, you can make a frog that can jump on its own."

"Jump by yourself?"

Zhu Youxiao saw the clockwork painted on the side: "Wonderful, really wonderful! Use the clockwork to drive the whole frog, and of course it will move on its own."

"That's right!"

Zhang Haogu nodded: "The wooden ox and the flowing horse are roughly the same, but a little more complicated!"

"But although the clockwork can move, it is very small. The frog needs to be made of wood, and the clockwork may not be able to move such a heavy thing."

Zhu Youxiao immediately grasped the key point. He is a professional after all. He thought hard: "We can only find some light wood to make it, but most of that wood is of inferior quality..."

He was in trouble, but Zhang Haogu had a solution: "No matter how light the wood is, as long as it is driven by bamboo strips, it will definitely not be able to move."

"But there is no other more flexible wood." As soon as Zhu Youxiao said this, he suddenly realized.

He remembered what Zhang Haogu had said before, that bamboo strips were just a substitute, and he needed to find something more flexible. What was it?

Zhang Haogu reminded: "Steel."

Zhu Youxiao was even more confused: "Bamboo strips are used as wood, and steel is used as gold. Wood has always been softer than gold. Even if we are looking for something more flexible, how can we replace wood with gold?"

"No, there is steel that is more flexible than wood, called manganese steel. That kind of steel is rolled into a thin strip that can be wrapped around many times. If you tighten it like a bamboo strip, it will slowly release it, driving the gears to run, and the whole frog will

Can jump."

"Manganese steel?"

When Zhu Youxiao started making it, he always used his talents to the best of his ability. He had never heard of manganese steel before. He frowned and said: "Where can I find this thing you mentioned? But where is it produced?

"

Zhang Haogu, however, helplessly spread his hands and said slowly: "This is not an ore, but an alloy. Manganese steel is not a mountain rock. It is like bronze pig iron and needs to be smelted."

"My Ming Dynasty smelted pig iron into wrought iron, forged swords, and forged armor. I have never heard of manganese steel, let alone how to smelt it."

"Not necessarily!" Zhang Haogu smiled and said slowly: "You have to inquire about this matter to see if there is such a thing, just in case there is!"

"I'll go back and study it!"

Zhu Youxiao looked at the drawing carefully, thinking in his mind that other parts of the clockwork frog were easy to handle, and other parts could be made, but the clockwork belt, the core but also the most difficult part, could not be conquered.

Zhang Haogu thought so, let alone the Ming Dynasty, it might not be possible until the end of the cold weapon era.

In which dynasty was steel not made for military use? How could it be made specifically for the purpose of making clockwork frogs?

However, cultivating the emperor's interest is the first step.

Metallurgy?

Zhang Haogu recalled that in his previous life, he had read a pamphlet "Steelmaking by Local Methods".

It is said that it was printed out in order to catch up with the Premier League points. In his previous life, he only read it briefly, but now, he found that he seemed to be able to remember this thing.

If you study carefully, this thing should be possible.
Chapter completed!