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With the cannon body, the shells and propellants are also a problem, and the black powder is too powerful as a propellant or an anti-personnel agent, and there is too much residue after burning. This disadvantage has already been manifested in the last battle: the bullets reloaded with black powder contaminated the chamber of the gun, and the last time the battle was fortunate that it was not long, and if it was longer, the chance of the gun malfunctioning would be greatly increased.

In this context, the production of fire cotton was put on the agenda. The manufacture of cotton wool requires a large amount of nitric acid and sulfuric acid, both of which are pure chemicals.

However, there are really many talented people in this boat, and there are several who are engaged in chemistry alone. There were students at the University of Chemical Technology, and there were also engineers from the petrochemical plant, and these people soon began to quarrel with each other, and a bunch of terms such as nitrification method, contact method, lead room method, tower method, etc., came out, and several laymen such as Pang Yu and Xie Xi listened to them.

Just leave the group of madmen and go to the side to smoke, and when they are done arguing, finally send a representative.

"Ah, it's settled? Decided on a production process? ”

The young man who came over was surnamed Li and Li Jingcheng, a graduate of the Jinling Petrochemical Refinery, a graduate of Liaoning Shihua University, who was engaged in petrochemicals, but according to his own private statement, he was more interested in explosives -- and now he has gotten what he wanted.

"Well, a set of processes has been preliminarily discussed, and we will talk about whether it can be done concretely."

People who are engaged in engineering are more practical and don't talk big. Li Jingcheng briefly introduced the production process and handed over a piece of paper.

"We need these materials and tools, and you'll see if you can get them."

Xie Xi took the paper, and Pang Yu also leaned his head over, and the two of them compared it line by line:

"Iron Sulphate...... Pyrite ...... This is easy to do, the most famous on Hainan Island is the iron ore, although the Shilu iron mine is not here, but it is no problem to find some pyrite nearby. Huang Gong: They have already set off to look for mines......"

"Sodium saltpeter? This is more troublesome, the place where our country produces the most saltpeter is in Xinjiang...... There are still some reserves of soil nitrate extracted from cleaning the toilet last time, so let's use it first. ”

"Fatty pork? We haven't eaten meat ourselves in half a month...... Oh, and for glycerin? Well, go back and organize people to go hunting, and make do with wild boar. ”

"Diatomaceous earth and baking soda...... You can go to the beach and pick up seaweed and burn it to ashes, right? This is also easy to do. ”

…………

These chemists were quite practical, and most of the things on the list could be solved on the spot, and they also came up with a number of good supplementary ideas - for example, the manufacture of a batch of mercury thunderate at the same time as the making of fire wool, that is, the material for the fuse of ** and shells, with which it was possible to make flowering shells and grenades.

But these guys still have crazy ideas after all--Li Jingcheng asked the dismissal to allow him to use some reserve gasoline, and he wanted to try to catalyze the reforming of gasoline to obtain toluene, and then react with nitric acid and sulfuric acid to make trinitrotoluene - commonly known as TNT.

The temptation of TNT made Xie Xi and Tang Jian and other soldiers hesitate for a long time, they are accustomed to the power of TNT in modern times, and they obviously feel that it is not enough to use homemade black powder here. However, in the end, this construction was rejected because the amount of gasoline was too small. It is a pity that the diesel fuel burned by the ship itself, and the gasoline was only pumped out of the fuel tanks of the dozen or so motorcycles on board, and it was a pity to use it as ordinary explosives with substitutes.

XCMG is still thinking of using this gasoline as an incendiary bomb...... Molotov's cocktail, Li May's air bomb...... Who said that intellectuals can't go crazy!

After the plan was decided, the traversers once again launched a vigorous large-scale production campaign in Lingao County, which was undoubtedly a new round of tossing and turning in the eyes of the locals.

Although they occupied the county seat and traveled in and out of the city every day, they basically did not have any interaction with the locals. The local people are not uncurious about these strangely dressed outsiders and behaving more strangely, but after two battles, the powerful firepower of these traversers really frightened the local Ming Dynasty people, and of course they didn't dare to come up again.

Pang Yu had hoped to talk to the locals, but he couldn't even get close to them - the locals hid as fast as they saw them, and at the slightest disturbance they went home and closed the door. If the traversers take to the streets en masse, the entire street will immediately be empty. Of course, after a while, they will still come out and move around, after all, it is impossible to hide at home for the rest of their lives, but this kind of cold estrangement is enough to make anyone feel cold.

The locals didn't dare to come over to communicate, and on the side of the crossing, they really didn't have the heart to deal with the local people for a while. Everyone is organized into teams, everyone has their own tasks to accomplish, and every day is very busy. It's a girl, who is taken care of in life, but there are a lot of jobs to be completed in her daily life, and she has generally lost weight.

However, even if there was a shortage of labor, the traversers did not dare to think of using local labor - they had killed many people on the first day they stormed the city, and who knew that not one or two of the recruited laborers wanted revenge?

Dozens of people died in the two battles, and their bodies were carried out of the city and buried silently by the people of the county government, as if they had never been saved. No one came to seek revenge on the Crossing Crowd - although the more than 100 modern people had put a lot of thought and preparation into it in the first few days. This time, after being raided by the Ming army, they became more cautious, and now if someone wants to go out on the street, they must form a team of two or three, and they dare to go out only after they are fully armed.

Interestingly, the county magistrate who had been captured was released and shrunk at home for two days, and then he came out to sit in the hall again, and the escaped soldiers gradually returned, and the official yamen of Lingao County in the Ming Dynasty actually worked normally again, still managing the people of the county - except that they did not dare to provoke those strangely dressed "short-haired widows", everything else remained the same. After the second attack, he was supposed to clean up the county office, but later interrogated the prisoners and found that the Danzhou Wei had not informed Lingao at all, and the local officials were completely unaware of the attack, so there was no reason to retaliate against them.

So during this time, there was a rather strange situation in Lingao County: on the one hand, more than 100 tourists from modern times wore jeans and rode bicycles around the city, and on the other hand, the local residents still lived a semi-primitive life in the Ming Dynasty, and often took the initiative to give way after seeing modern people - they all hid far away, especially when they saw bicycles.

Hainan Island was a deserted place until the end of the Qing Dynasty, and it was even more desolate around 1629. The island's indigenous people are mainly Gaoshan and Li - most of these people live in mountain villages and very few in the cities. The main residents in Lingao County are military households and their families who have been stationed for many years - the military families of the Ming Dynasty have been soldiers for generations, and their sons and grandchildren have to stay here for generations after they die, which is worse than life imprisonment; the descendants of the prisoners who were assigned here in successive dynasties; and immigrants from Vietnam, Myanmar and other places.

In the eyes of modern people, this place really cannot be called a "city", not even the most basic countryside. It is surrounded by a low adobe wall, and there are a few relatively large courtyards in the center of the city that are better - the county government, the Confucian temple and the warehouse, and other houses are all miserable, many of which can only be regarded as sheds, with a roof to shelter from the rain, and even the walls are not complete.

The life of the locals is also very primitive, not to mention far inferior to modern people, and probably far inferior to the commoners on the opposite continent in the same era. Every day after dark, there was no one to be seen on the streets, and there was very little sound except for a few dog barks. In contrast, the travelers, accustomed to nightlife, would light a bonfire in the courtyard every night, and everyone would sit together to chat, talk, and communicate with each other, and they would not feel sleepy until after nine o'clock.

And the most unbearable thing for these traversers is the backwardness of commerce, there are very few fixed shops in this city! There is only one market every ten days, and even the meat is sold at that time!

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