……

The rocket launch looks like this:

On this side of the river is the city, and on the other side of the river there are rockets, and the width of the river is the distance. The angle of the rocket will affect the distance of the rocket, and the amount of distance needs to be equipped with enough gunpowder for thrust.

Therefore, someone is needed here to calculate the distance and angle to calculate the distance.

How much gunpowder to burn and how many ways to fly will be studied by the gunpowder engineer.

The distance determines the amount of gunpowder. But when the rocket is made, the amount of gunpowder in it has been fixed, and it can't hit it when it encounters a long distance, and it wastes gunpowder when it encounters a short distance. So Li Chengqian came up with a way to grade the rockets.

This grading is divided by the amount of gunpowder which made the thrust.

For example, the distance of 100 meters is the first level, the second level of 300 meters, the third level of 500 meters, the fourth level of 800 meters, and the fifth level of kilometers. It is not yet known how much distance the actual war will take, so it will be divided in this way for the time being.

And if this is classified, then if the warhead and thrust gunpowder are one, then a lot of rockets must be made according to these classifications.

In this way, in actual combat, all the graded rockets will have to be carried, but I am afraid that it will be very heavy.

So Li Chengqian thought of it and divided the rocket into thrust gunpowder, warhead, and skin.

When it's time to fight, you can temporarily assemble it, and assemble which thrust gunpowder you need to hit at any distance you need. Of course, warheads can also be enriched in the future, which is to have physical bullets and explosive shells. It's still a goddess scattering flowers. If you can make a nuclear bomb in the future, you can also install it by the way. Wow-ha-ha.

Li Chengqian stood on top and talked happily with the people below. The more you talk about your brain, the smoother you play, the better you play, and the things that come to mind are all said. In the end, they all talked about the fact that the rocket needs to make flying wings out of the outer skin, and what kind of airflow principle the flying wings need to fly in the air.

When it comes to good use of airflow, you can continue to fly forward after the gunpowder is burned, which is saving. Suddenly, the ground shook. Then an explosion rang out.

Li Chengqian hurriedly used his hand to block the soot flying everywhere.

"Is this ......" Li Chengqian's face showed a confused look, and he suddenly thought of something, and asked, "Is this an explosion?" ”

It's normal for an explosion to occur in the Gunpowder Bureau, and I've heard that there are no less than a hundred dead here, Amen.

Li Chengqian thought that he should go to the rescue now and minimize the loss.

"This ...... Doesn't it look like it exploded in a research lab? One of the engineers stood up and said suspiciously.

As soon as these words came out. Everyone else spoke up. They were all people who were used to exploding in the powder booth, and they had developed the habit of listening to sounds and ground movements to feel which research room had exploded.

Now that so many people are denying that it wasn't a research explosion, what's going on?

Everyone was about to come to a conclusion, when suddenly there was another explosion. The ground shook again.

It's another explosion!

Li Chengqian's chrysanthemum tightened and asked, "It can't be that there was a series of explosions in the powder magazine, right?" ”

When everyone heard this, their faces turned pale. But they were all people with common sense and experience, and they quickly shook their heads. One said, "Your Highness, it is impossible for the powder magazine to explode at this time. Even the explosion is not so small. I'm just afraid ......"

He turned his head to look at the others and said strangely, "Yes, in the compound." ”

"Where?" Li Chengqian looked at him stunned.

The engineer explained, "It's the open space in the middle when we come in. ”

The Gunpowder Bureau was like a courtyard house with a patio in the middle and houses on all sides. And the engineer is talking about the patio in the middle. It was decided that there would be no bomb explosion.

So, everyone guessed, artificial!

"Quick, get out and have a look!" One of the engineers screamed, and ran outside.

Then the others ran out.

Lao Long stood in front of Li Chengqian.

"Let's go, let's see." Li Chengqian also wanted to see what was going on.

The old dragon was obviously unwilling, but this was a gunpowder bureau, and no matter how dangerous it was, it wouldn't be dangerous. So he loyally protected Li Chengqian out.

When Li Chengqian went outside, he saw that there were already people on the third floor and three floors outside the courtyard, some of them were engineers, some of them were soldiers, and the middle seemed to be the culprit this time. But they all stood still, did not take down the culprit in the middle, and still watched the play there.

Just when Li Chengqian was thinking about giving his life, the voice of the hippopotamus sister came from inside:

"Hey, what are you doing here, I'm going to shoot it, get out of the way, you don't run, but you can't get in my way!"

How arrogant to say.

Suddenly, the crowd panicked and ran around.

At this time, Li Chengqian knew that the culprit in the middle was Sister Hippo. She said that she had set off the cannon, indicating that she had made the explosion just now. Thinking of this, cold sweat appeared on Li Chengqian's forehead, she wouldn't be using bombs as firecrackers, right?

"Haha, wahahaha......" a disgusted laugher laughed.

Then Cheng Lao appeared on the scene.

At this time, everyone on the field was almost running, and Li Chengqian also saw what the scene was in the middle.

The hippopotamus sister is bending over, and there is a small black ball in the middle, and the small black bead has a long fuse.

There were black marks on the ground after the explosion, which she had just exploded.

She's working on a new explosive, and she's holding a fire breaker in her hand, with an extended handle, ready to fire at any moment.

In this way, I am not scared to death by her, and it is strange if I don't run.

And her identity is still Princess Huazhen, even if she is not biological, but she has the name of a princess, can she have an accident in the Gunpowder Bureau, so the people in the Gunpowder Bureau are very smart, run!

At this time, the devil Cheng Lao came out, he should be able to stop this devil princess, right?

Not only the engineers and soldiers were thinking, but Li Chengqian was also thinking.

"Princess Huazhen is really temperamental, this cannon is well placed, and the old man has itchy hands when he sees it!" Cheng Lao said wow-haha.

As soon as these words came out, Li Chengqian's forehead was black. The surrounding engineers and soldiers were also black-lined. This head is a bit unreliable.

"Ah, yes!" Sister Hippo happily replied.

Li Chengqian couldn't stand it anymore. Although I want to pretend that I don't know her, I know that the prince and the princess are in a gang, so I can't let her be embarrassed anymore.

"You're big. You can't just shoot guns here! Li Chengqian stood up and shouted.

The eldest sister of the hippo was still a little afraid of Li Chengqian, and when she heard this, she hurriedly put down the things in her hand.

The fire fold fell to the fuse.

A few people couldn't help but be stunned.

…… (To be continued......)