The first batch of cannons, a total of ten, and the pig iron consumed made Yan Zheng feel distressed.

It's just that when he saw the smug looks and proud smiles of the people, he instantly felt that it was worth it.

When the people look at such a powerful weapon, their self-confidence is greatly enhanced, and they naturally develop a stronger sense of identity and belonging.

Even the prisoners of war in the prisoner of war camp unconsciously puffed up their chests when they saw the cannon firing outside Me, feeling happy and proud that they were prisoners of war in Monabe.

But Yan Zheng understands that artillery is a technical branch, and the technicality mentioned here may be very small in later generations.

However, it is a long-term process for the ancients to understand the arrangement of artillery positions, the coordination of artillery and infantry, and the relationship between the trajectory of artillery.

In this regard, Yan Zheng chose to introduce the shooting table and the ruler, two simple auxiliary tools, which can ensure that the soldiers can understand some precautions for cannon firing as soon as possible.

The meaning of the firing table is that after the cannon leaves the factory, the amount of fixed charge and the angle of inclination of the muzzle are measured in the form of direct shooting, and the range and trajectory changes brought about by the cannon.

After these changes are recorded, they will become the "ID card" of the cannon, that is, the soldier can know the "temper" of the cannon through the firing table, so as to make better adjustments.

There are two issues behind this, one is the standardization of gunpowder loading, and the measurement of muzzle inclination.

To this end, Yan Zheng introduced a silk bag to set the medicine, as well as a ruler.

A ruler can be understood as a semicircular ruler with an angle, with an iron stone tied with a rope, and a straight wooden pole that can be turned.

As long as they are combined at the center of the semicircle, it is possible to take advantage of the natural downward perpendicular property of the iron stone to place the straight wooden pole in the muzzle of the gun, close to the inner wall.

Through the angle between the straight wooden rod and the iron perpendicular line, you can get the angle of the cannon muzzle at this time.

This kind of ruler method, in another period of the Ming Dynasty, under the impetus of Xu Guangqi's learning of Western technology, Sun Yuanhua's new army was abolished.

After Kong Youde surrendered, Kong Youde also regarded it as a secret method.

And the purpose of these ten cannons, Yan Zheng intends to use them to defend Mocheng.

At his request, the four corners of Meaux began to be built with large prismatic convex corners.

About 300 meters from the perimeter, where it intersects with the convex extension line, four vertical batteries are built.

After the fort was built, three trenches were to be built to match the distribution of the slopes responsible for calibration.

It was enough to clear the dead spots of the shelling, and at the same time, every trench and slope matched the location of the cannon.

As long as the enemy walks to the predetermined position, he can directly fire and fire.

This system seems simple, but it actually involves a lot of geometric knowledge, if the Ming of another time and space can learn this, it will not be outside the Shanhai Pass, creating a fortress that cannot reasonably exert the power of artillery and muskets.

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When he returned to Salt Harbor again, Lehi Dog really had a feeling of spring breeze and horseshoe disease.

This time, he went to Zhangzhou again and got a meeting with the head of the Song family, which showed that the Song family had regarded him as an honored guest.

Lee Haigou had never dreamed that one day he would be able to talk and laugh with such a person.

Moreover, a large amount of fur suddenly flowed into Zhangzhou, which also made several other wealthy families keep an eye on the Song family.

Therefore, in the words of the head of the Song family, there was a lot of intention to win over, so he almost told Li Haigou directly that as long as he could stabilize the fur trade for the Song family, then he would always be a distinguished guest of the Song family.

This flattered Lehi Dog, and while he shirked it, he had something else in his heart.

He deliberately went to recruit Tanhu Qingzhuang, instead of choosing to accept a group of Tanhu who were willing to go to Dongfan Island.

When he returned to Meč, he found that the city was being expanded, with a strange convex corner, and some newly recruited soldiers were constantly practicing with several kinds of sticks.

He couldn't help but smile, and secretly said that this short-haired king has a lot of tricks, and every time he comes back, he can see something new.

"King!"

After arriving at the red room, Li Haigou's straight back instantly bent at an angle.

Yan Zheng sat on the chair, and on the table was the report written by Aunt He, although there were many typos, but fortunately, the person who sent the letter also explained it.

"How many things did the Song family send over this time?"

"This time, the Song family sent 5,000 catties of pig iron, but the king has eaten a lot of pig iron in the last few times, so the price has risen by one percent! Then there was lead, soft gangue, and paper, and a lot of silver, all of which were accounted for! Lehi replied with a smile.

Yan Zheng nodded, and at the same time was a little distressed, in the last few trades, silver has been flowing in.

It is really the goods on Dongfan Island, and the value far exceeds these supplies. But he only thought about spending the silver out, and it was better to replace it all with pig iron.

"Did you come back from buying cattle this time?" Yan Zheng asked again.

Li Haigou smiled proudly: "I bought three cows and came back, all of them are big cows!" It's a pity that the cows take up too much space, otherwise they can buy a few more and come back. ”

Yan Zheng snorted, then looked at Li Haigou and said, "It's going well to close the Tanhu this time, right?"

Li Haigou's face was full of red light, and he said with a smile: "It's quite smooth, the conditions given by the king are generous, and many of them are willing to follow the king!"

"Are you willing to follow me, or are you willing to move your family to Dongfan Island?" Yan Zheng continued to ask.

Li Haigou said: "The king doesn't know, most fishermen are willing to be hired by maritime merchants, even among the pirates, there are many fishermen!"

"So, are these people unwilling to come to Dongfan Island to settle down this time?"

"That's right, these people are only willing to be hired by the king!" Lehi replied.

Yan Zheng leaned back in his chair and smiled and said, "No wonder, no wonder I received a report that you only brought back some young boating men this time!"

Li Haigou raised his eyes and looked at Yan Zheng: "This ...... There is no way for this villain! ”

Yan Zheng stared at him for a while, then waved his hand and said, "Tian Wu should come in too!"

Tian Wu, who was outside, quickly walked in, bowed and saluted, "The villain has seen the king!"

Yan Zheng glanced at the two and said, "In the future, Tian Wu will be responsible for running Zhangzhou and Penghu, Li Haigou, you stay, and continue to teach the people of the tribe to operate boats!"

Li Haigou was surprised for a moment, looked up and said, "Wang, now the business with the Song family has always been in line with me, and this business is booming, I really can't get out!"

Tian Wu was also a little surprised, and hurriedly said: "King, together with the maritime affairs, Brother Sea Dog is indeed stronger than me!"

"Since it's stronger, it should be used to teach our boys!" Yan Zheng stared at Li Haigou and asked, "Li Haigou, did you say?"

Li Haigou was stunned for a moment, heard the coldness in his words, and immediately felt horrified: "King, great ...... King, this ...... You're talking about it! ”

"Would you like to?"

"Villain...... Willing! Lehi said helplessly.

"If you want!" Yan Zheng sneered and said: "These people who come to the tank, as long as they are not willing to send their families to settle down, will all shave their hair and face and send them back to Zhangzhou!"

The corners of Li Haigou's mouth twitched, and he quickly reacted, thinking that he was suspicious of the short-haired king.

He felt a little aggrieved, but after thinking about it for a while, he suddenly sweated violently.

This time, he hired Tanhu in his name, and at sea, the short-haired king couldn't control it.

He naturally has the idea of growing stronger in his heart, but in Shorthair's view, this is completely a private planting force, and this view is a cross line.

In fact, even if he didn't do this, it would be time to unload the mill and kill the donkey, and he had already opened up the connection with Fujian anyway.

Moreover, Yan Zheng is really short of sailing instructors, in order to maximize the value of Li Haigou, so after the completion of the first stage of the task, it is natural to get him back!

It just so happened that Li Haigou was born as a small citizen, and after running a few times to trade in Zhangzhou, he was obviously a little floating.

As for the trade with Zhangzhou, it is now possible to send any person to it.

Let Tian Wu be responsible, firstly, he can beat Li Haigou, secondly, it is also to separate the relationship between the two, and thirdly, Yan Zheng urgently needs to let more aborigines master the skills of boating.

He has always had a sense of insecurity about the sea, and he firmly believes that he must involve the indigenous people in order to ensure control of the sea power.

"Remember, teach well, you teach a batch, and I'll let you take them to Ryukyu!" Yan Zheng regained his amiable appearance.

Lehi Dog broke out in a cold sweat on his forehead and said with a smile: "Yes, yes!" The villain must do his best, he must do his best! ”

Tian Wu also came back to his senses from his bewilderment, and he was also shocked by the speed at which the short-haired king turned his face.

"Tian Wu, tell the Song family this time, you can send more pig iron, silk, graphite and lead, these four materials, I will increase the price by one percent, and tell them by the way, just say that there is a group of pirates from Zhejiang, who have been entrenched here, and there is a great hidden danger to the trade between Dongfan and the Song family!" Yan Zheng commanded again.

Tian Wu hurriedly said yes, and then realized that he would be the one who traded with the Song family in the future.

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