The white kite had the "Tianzun Kong Ming Lantern", and the march was naturally unhindered, and it easily advanced southwest along the Luo River to the vicinity of Lushi County.

The rogues who came to ambush him along the road were all beaten by him, and they could only retreat to the city in embarrassment.

There were more than 1,500 men under the Scorpion Block, and there were less than 8,000 dead and wounded, including those who fled and were captured.

He felt that this army of officers and soldiers from Henan was not easy to provoke, and he did not dare to forcibly garrison the county seat, so he had to abandon the county seat of Lushi and withdraw in the direction of Yunyang in the southwest.

So, Bai Kite helped Fan Shangxiao and Zhang Yingchang to enter Lu's county, and finally completed the order of Chen Qiyu, the governor of the five provinces-

Gaojia Village, Firearms Bureau.

The battalion commander of the artillery battalion was standing in front of Xu Dafu, the chief of the firearms bureau.

Xu Dafu's face was cautious: "What is the matter with you coming to me? First of all, I will not agree to any dangerous things."

Artillery Battalion Commander: "Oh, it's not dangerous, I'm talking about a very simple thing."

Xu Dafu: "Oh? Tell me about it!"

The battalion commander said: "After the range of our guns in Gaojia Village has been greatly improved, the grenadier battalion has been disbanded, and when I saw the disbandment of the grenadier battalion, I was a little panicked, and I was always a little worried that the artillery battalion would suddenly disappear one day."

Xu Taifu: "It's all nonsense! The grenadier battalion was eliminated because the range of the musket was increased and the grenade was thrown too close, what is there to worry about in your artillery battalion? Naturally, you will be used when attacking the city."

Battalion Commander: "However, the artillery battalion doesn't have much of a chance to go out right now. It's the same as when the grenadier battalion wasn't used, it feels terrible, and I don't want to be removed."

Xu Dafu laughed and laughed: "It's useless for you to look for me for this kind of thing."

Battalion Commander: "I have come up with a good plan, maybe one that can bring our artillery battalion back to life."

Xu Dafu: "?"

Battalion Commander: "I'm thinking, the reason why the artillery battalion is not well utilized now is that the artillery is too bulky, and as long as you don't attack the city, you don't bother to transport such heavy things around. If there is a relatively small cannon, like the kind of small cannon on Tianzun's two arms, it can be easily carried around."

Xu Dafu couldn't cry or laugh: "The power of the small cannon is also small, and the small iron balls shot out by Tianzun's two arms can only be used to play and scare the enemy."

Battalion Commander: "Of course I know this, I'm just thinking, if you use a small cannon barrel as thick as Tianzun's arm to shoot a small grenade. Wouldn't it be very powerful to let a grenade explode in the middle of a group of enemies? In this way, the problem of the short range of grenades has been solved, and our artillery battalion can often be pulled out to play."

Xu Taifu: "Blossom bomb?"

He shook his head: "The imperial court has long had a design for the flowering bomb, but this design has always been only on paper, and the practical effect is too poor. No! The moment the cannon fires, the force is so great that a small grenade can't bear it at all, and it will be flattened by the huge force, or detonated in advance. It's dangerous, it's going to kill your artillery."

Battalion Commander: "I've thought about this too, let's put a small amount of black powder in the barrel first, and then put a layer of wood on top of the plank, and then put a layer of cotton on top of the plank. Then light the grenade and put it on the cotton...... Then the cannon fired. The force in the chamber pushes the planks first, and then the planks push the grenades in the cotton pile to fly out, isn't that okay?"

"Huh?"

Xu Dafu: "Huh? Muto?"

Not to mention, although this idea is a little unreliable, but if you think about it carefully, it is really interesting......

Xu Dafu touched his chin: "Come with me, let's go to the 32nd Middle School together, find Song Yingxing, Bai Gongzi and Wang Zheng, and listen to their opinions." ——

A few days later......

In the open space behind the Firearms Bureau, a large group of scientists and senior technical engineers gathered together, looking at the commander of the artillery battalion, fiddling with an arm-thick iron pipe.

A small cannon!

With such a small cannon, of course, the shells that can be fired are not large, only the size of a small grenade, which is interesting

At the bottom of this grenade, a small wooden support is installed, and a special fuse is inserted in the middle of the wooden support.

This fuse can be lit easily, but after ignition, it burns very slowly, not as fast as the fire rope, and it is copied from the technical books provided by Tianzun, which is called "woodwind time-delaying medicine".

The reason for this design, of course, is also due to failure!

Several scientists have been conducting several rounds of experiments, and at first, everyone prepared the small cannon, lit the fire rope on the grenade, then put the grenade into the barrel, and then ignited the cannon......

As a result, there was a time when the grenade shell burned too fast, and the cannon's arquebus burned too slowly, resulting in the grenade exploding first before the cannon fired.

The result was tragic, the poor little cannon barrel blew up, almost injuring someone.

So the scientists began to desperately research, looking for a fuse with a more stable combustion rate, but their technology tree is crooked and not comprehensive, and this thing really can't be made in a short time.

So Tianzun came out again, and found them the technical information of the "woodwind time-delay medicine", Xu Dafu finally succeeded in researching this "stable fuse", which has a characteristic that it will burn as long as it wants, and it will not burn too fast or too slowly.

This makes it easy to control.

Moreover, this thing does not need to be ignited in advance and then put into the barrel, it can be ignited synchronously at the moment when the black powder in the cannon ignites and detonates.

In this way, it is much more convenient, it can be directly stuffed into the barrel, and it is no longer necessary to ignite it in advance, and the safety factor has skyrocketed several times.

Everyone removed the original fire rope from the grenade, replaced it with a "woodpipe time-delay medicine pot", and then installed a wooden tray, and this new type of cannonball was successfully made.

It's no longer thrown by hand, so it can't be called a grenade anymore.

Naturally, everyone removed the word "hand" in front of it and officially named it "Little Grenade".

I saw that the commander of the artillery battalion put an arm-thick tube on the ground diagonally, with an elevation angle of 45 degrees to the sky, and then stuffed a certain amount of black powder into the tube.

Then, cautiously, he took the small grenade over, aimed the wooden tray and the medicine pot in the direction of the bottom of the barrel, and slowly put it in.

I heard a "poof", and the woodpipe time-delay pod was inserted into the black powder......

The wooden tray at the bottom of the grenade separates the black powder from the grenade body a little bit, forming a buffer.

"Let's light the fire!" The most daring Bai Gongzi was the first to speak: "We have done everything we can, there is no reason not to succeed."

"Good! Ignition!" Xu Dafu also spoke.

Free to read.