The arquebus of this arquebus uses a four-strand jute rope. Pen % fun % Pavilion www.biquge.info

Professor Cheung chose to use a nitric acid/potassium solution as a combustible agent, soak it in jute rope and then dry it in the shade.

He didn't choose tung oil, because when treated like this, it could be continuously smoldered when lit, and there was less smoke

On a real battlefield, each musketeer carries an arquebus several meters long on his body.

Before the battle, they had to light the arquebus, which was extremely difficult to light in wet weather, and experienced musketeers would light both ends of the arquebus so that they could fire a second shot at any time, so that an arquebus would not last long.

The spherical lead bullets of arquebuses are molded from pig iron according to different calibers, and then melted lead and cast to achieve maximum airtightness.

Professor Zhang Guoan was busy here, and the blacksmith Hu Zhenbei understood a little, this is a fire pipe!

He said, "Zhang Dalang, how did you come up with this?!" ”

Zhang Guoan said: "In our Yindi'an country, we all use it for hunting......

"This little buckshot can actually kill a beast?!"

"You don't believe me?"

"An Unbelieving ......"

"Don't worry, where do you know about chemical energy and physical kinetic energy?"

“……”

Professor Zhang Guoan directed the carpenters to build a test booth.

Under the shed was a long table with wooden shelves nailed to it, just enough to hold the arquebus, and then it could be clamped with the wooden flutes on top so that it would not fall.

In front of the test booth, about thirty meters away, several two-inch thick planks were erected, arranged like a wall of planks.

The Da Song technician students looked at them one by one and were stunned, what is this?

In fact, Professor Zhang Guoan has demonstrated the characteristics of granular gunpowder to everyone, and the reference is powdered black fire/medicine.

He sprinkled the ground with two lines of black fire/medicine of both categories.

Then they lit it at the same time, and sure enough, the granular black fire/medicine line advanced faster and more violently than the powdered black fire/medicine line, almost four times faster than the other party!

The half-sized kids didn't see any difference, they just thought it was fun.

But Zhang Depei understands that the one that burns fast is the one he shakes out alone...... But what?

Hu Zhenbei's blacksmith hugged his arms and said: "The one that burns slowly is good, flame-resistant and very good-looking......

Professor Zhang Guoan decided not to talk to them until he tried the gun.

New Year's Eve is coming, Ma Yunyalang went home, and the two village women also went home after helping with the cooking, but this guy didn't go home, so he spent New Year's Eve in Hongshuixi Industrial Park.

Hu Zhenbei blacksmith said: "If I don't go to my brother's place for the New Year, I always lose money in gambling......"

But on the night of New Year's Eve, there is also gambling money here, and Professor Zhang Guoan let it, saying that he wants to enter the country and follow the customs.

Hu Zhenbei blacksmith said: "It's different, you may be able to win here......"

This guy thinks these half-sized boys are easy to deal with.

However, he is not bad alone, and he happened to celebrate the New Year together.

During the day on this day, everyone had nothing to do, and they were all on holiday, so Professor Zhang Guoan began to test the gun.

A total of seven arquebuses were made, and he set them all up and clamped them with wooden flutes.

Then tie a string to their triggers separately.

The first time I tried it, the granules of black fire/medicine must be added in excess, so I am afraid of exploding for the first time.

Professor Zhang Guoan uses a conical paper-wrapped bullet, he placed different amounts of propellant according to the weight of the spherical lead bullet, after biting open, just use the tip of the paper bag to slowly pour into the barrel, and then use the gun through the gun to tamp the projectile/charge, and then use the through strip to poke the lead bullet wrapped in cotton paper into place!

Finally, the primer was poured into the powder pool......

He did the same process seven times!

He didn't tell the half-sized boys of different heights standing next to him to pay attention to his movements, but those half-sized children all watched his movements with round eyes!

Hu Zhenbei's blacksmith still hugged his arms and pouted at it, but he didn't lose his eyes......

According to what is said in psychology, men like to shoot out, since the Great Song Dynasty government does not allow us to play with bows and arrows or crossbows and other extremely lethal weapons, then let's play arquebus, right?

Professor Zhang Guoan knew that this batch of firecrackers was not as good as the level of the later generations of Lumi Bird Guns, but as long as those half-sized children knew that there was such a thing, they would improve it in the future, and then batch process it or something, and wait for Song Ziqiang to come back.

In that world, if you don't have a license, processing more than five kilograms of black fire/medicine can be sentenced to more than ten years;

In the world of the Great Song Dynasty, if you don't have permission, you can be exiled for thousands of miles if you have a bow and arrow.

But if you change the time and space and behavior, it probably doesn't matter.

For example, Professor Zhang Guoan and Zhang Depei processed ten kilograms of black fire/medicine this time, but the Great Song Dynasty government, what can you do to us?!

Professor Zhang Guoan lit the fire rope in turn, and then clamped the dragon's mouth.

Professor Zhang Guoan said: "Come, Zhang Depei, you come to fire the first shot of this Great Song Dynasty!" ”

"Hehe, so-and-so!"

Zhang Depei gently pulled the string, the trigger was pulled, the dragon's mouth was pulled down, and the arquebus head slammed into the powder pool, and a burst of fire spewed out of the fire mouth, and almost at the same time, a puff of white smoke also erupted from the medicine pool!

"Smack!"

Everyone shuddered, this was much louder than ordinary firecrackers!

Crucially, they also saw a plank shake in the distance......

Celestials, how can you do this......

"The second one, come to Gujian Mountain......"

"Come on the third Mumu, the shortest one......"

As a result, the shortest arquebus could not even hit thirty meters, and a puff of dust rose from the ground more than twenty meters away.

Mu Mu felt a little uncomfortable, as if it was caused by him.

Professor Zhang Guoan patted him on the shoulder, indicating that it had nothing to do with him.

When he had made sure that all seven arquebuses had been fired, he went to the row of wooden walls to watch, and he did not need to say that the gang of men were all following behind.

The bullet holes on the wooden wall are very obvious, but they are uneven and not in a straight line.

He used his fingers to pick at the depth, the deepest of which could be more than an inch.

At this time, Hou Dongfang said eagerly: "Professor Zhang, do you want to cut it out?" ”

Professor Zhang Guoan said: "If it's too deep, don't use it, and pick out the shallow one." ”

The boys are getting busy.

Mu Mu was looking for lead bullet on the ground just now, but he couldn't find it.

Professor Zhang Guoan said: "Forget it, the lead bullet has been shattered......

How so? I saw it hit this place sometime! Mu Mu's tears came out, and he had to stubbornly look for it.

And he went.

Blacksmith Hu Zhenbei finally lowered his hand and followed closely behind Professor Zhang Guoan, who was now hunched over with a friendly smile on his face.

"Professor Zhang, Professor Zhang, I can see clearly, if you hit someone, you will definitely die!

Can you let the small ones open too...... Last shot? ”

Well, you can give it a try.

Professor Zhang Guoan has already observed the crater, and none of them have cracks, not even a slight deformation, and the ratio of gunpowder to projectile weight calculated by him seems to be fine.

Professor Zhang Guoan watched his clumsy movements and could only teach little by little.

"Bite through the paper bag in a small bite!"

"Slow down!"

"Just ram it three times, don't push too hard!"

"Wrap a few more layers of cotton paper! Okay, push hard! ”

"There is less gunpowder in the powder pool, pour some more ......"

"Take the fire rope off, blow it and clip it back!"

"Okay, you hold it in your hand, don't have to aim, and head towards the plank wall...... Shoot! ”

After firing the shot, the blacksmith Hu Zhenbei grinned and laughed at the wooden wall that stirred up some sawdust and hit!

In fact, it is difficult to miss the shot.

Well, on the other round of people, the muzzle of the gun cannot be pointed at your own people!

What else is at stake?

Hu Zhenbei's blacksmith saw that Professor Zhang Guoan was leaving, and left them to shoot and play, so he ran over, when his arquebus was snatched by others, and he didn't have to grab it back.

He ran to Professor Zhang Guoan and said, "Professor Zhang, I have something to say!" ”

Professor Zhang Guoan said: "I'm thirsty, I want to drink water, let's come together." ”

The two of them went back to the cabin and sat down.

Hu Zhenbei blacksmith was very attentive at this time, and after running before and after, he took the initiative to pick up the big copper kettle and pour it cold and white water for Professor Zhang Guoan, which had just been burned in the morning.

Blacksmith Hu Zhenbei looked at Professor Zhang Guoan after drinking the water, and said, "Professor Zhang, if you had said that you would have used it like this earlier, you would have made it more clever......

"Can you kill the beast first......?"

Hu Zhenbei's blacksmith's eyes stood up and said, "Why can't you?" I'm afraid that even elephants can be killed! ”

Professor Zhang Guoan thought for a while and said, "This is not very good...... Why, you've seen elephants......"

Hu Zhenbei's blacksmith's eyes stood up again, and he said, "Why haven't you seen it?!" The elephant team of the official family patrolled the streets that year, and I saw it with my own eyes, and I heard that someone called it a long-nosed donkey, and I was happy to kill someone, haha! ”

“…… Well, how could you be a little more cunning? ”

Hu Zhenbei's blacksmith became proud and said: "A certain is talented, even Hu County's order agrees!" ”

He saw that Professor Zhang Guoan was a little impatient, and immediately said quickly: "You can add a lid to that powder pool!" ”

"Well, that's good. That's it? ”

"I still want to put that iron bar in the wooden pallet!"

"Hmm."

"That wooden handle can also be hollowed out, put that paper-wrapped lead bullet inside!"

"Hmm!"

"You can also carve patterns on the hand!"

"Huh? Are you a blacksmith or a carpenter? ”

"A certain is a talented blacksmith......"

“……”

Well, Professor Zhang Guoan didn't want to listen to him start boasting, so he made a few requests.

This powder pool should be covered, and the trigger should not only be linked to the faucet, but also to the lid, as long as the trigger is tapped, the lid will be opened, and the faucet will be inserted......

"Hehe, what's so difficult about this, a certain blacksmith has been a blacksmith for seventeen years, and he can make ......"

Professor Zhang Guoan no longer asks him how many years he has been a blacksmith.

He continued: "There is another requirement, the faucet must return to its original position after being plugged in, and the lid is also ......."

“……”

"I can provide you with a resilient steel sheet ......"

“……”

"You can also be given a ruler, a compass and a pencil, white paper, resin...... Draw it for me, don't say it.

I don't make mechanical drawings, but I can look at ...... Go for it, you can draw it anytime you want......"

"There is a talented blacksmith, but he doesn't know much ...... literacy"

"There's nothing to do, you don't have to write, you just draw it, it's probably ......"

Well, the self-proclaimed talented blacksmith Hu Zhenbei has stopped, he doesn't know where to think, anyway, the blacksmith stove has been extinguished, tonight is New Year's Eve, I don't know if a few friends are happy in Lin'an City.

The half-sized boys were really having a good time, and only one of them had a burn in the barrel of a gun.

After firing four rounds in a row, the pipe will be scalded, and if all wrought iron pipes are used in the future, I am afraid that the third round will have to be stopped for a while, or poured with water.

The sound of quiet shouts and eating sounded throughout the Hongshuixi Industrial Park, and everyone happily gathered together to have a delicious meal.

Hu Zhenbei's blacksmith didn't know where to get out at this time, and he never delayed the matter of eating.