Although Liu Yong has been the emperor of Lion City Island for nearly two years, he feels like he is the owner of the island. Indeed, and the Lion City Island is too small. The small one is like a city.

Now, the mission of Lion City Island has been completed, and it is a palace of Liu Yong.

In order to develop the manufacturing industry, Liu Yong ordered the factory on the island to be set up on the mainland. And the workers were homesick and happy to come back. And most of the refugees are interested in returning to the mainland. But they have already made their home on the island of the Lion City, where they live comfortably, and they are not afraid to go to war.

In this way, there are also many people who do not want to come back.

This Liu Yong does not force it, and everywhere is his people.

After the enthronement ceremony, Liu Yong's tense nerves were somewhat relaxed. But he didn't dare to slack off, there was still a Tartar slave north of the Tianjiang River. And his goal is to recapture the Northern Highway.

At the border, the border guards practiced day and night, and they did not dare to slack off. At this time, Huahan and Tatar were only separated by a river, and the war began.

And in Liu Yong's specific arsenals, they are working intensively to make more guns. Liu Yong felt that his musket army and artillery army were still too few.

Moreover, Liu Yong asked technicians to study grenades. It will be a new weapon, to be equipped on all armies. In this way, even the Tarsian cavalry was powerful, and it could not withstand the grenade attack.

Liu Yong explained the principle to the technicians, and the technicians all sighed at the emperor's cleverness. They were immediately ashamed of themselves as inventors.

Liu Yong told them that the key to the grenade is to control the fuse inside the grenade and burn the detonator. It's too early to be dangerous, and too late it's too late to let the ground dodge. This is an experiment.

Liu Yong was in the Qingxin Hall in the palace and recruited the technicians of the arsenal. Although these people are responsible for the military industry, and they have also met the emperor, they have never been to the palace.

It turned out that when Dahua was in Dahua, they were all young people, and there was no possibility of entering the palace. Not to mention people like them, even the prefect and governor, and even the transfer envoys have never entered the palace.

Being able to come to the palace can be described as a blessing for these people. One by one, they were so excited.

Liu Yong summoned them and personally drew them a rough schematic diagram of the grenade. In later generations, he didn't know much about grenades, but he knew that once he pulled the safe, he would blow it up in a few seconds. But he didn't know the structure inside.

That's why he never developed the weapon. However, he did not give up the idea of making grenades, and kept thinking about it on his own. Over the years, whenever he had time, he pondered the inside of the grenade.

The grenade, he thought, was actually like a cannonball, igniting the fuse and then exploding. He wanted to study cast-iron grenades directly, so that the soldiers would be easy to carry.

So he probably constructed the structure inside the grenade. In fact, he didn't know that his thoughts were basically the same as the grenades of later generations. It's just that he lacks a detonator in his construction, which is a detonator.

His idea was to detonate the explosives directly with the built-in to the speed of fire.

There were only five of them. This was Liu Yong's selection and swore allegiance to him. Such a key technology must not flow into the hands of the Tarslavs, and the consequences will be unimaginable.

And these five people are all gunpowder experts and detonation experts.

They studied and studied with Liu Yong in Liu Yong's Pure Heart Hall for most of the day before they took this idea back for testing.

Liu Yong gave them a month to develop the grenade.

When the five returned, they studied it day and night, and in the end, they pretended to be a detonator-like detonator. Because a single fuse can't detonate all the explosives inside the grenade.

In this way, the whole design is complete. They took it into the palace to show Liu Yong. Liu Yong is everyone's praise for them. And let them see it and put it to the test. But be sure to pay attention to Ann. Start by extending the time of the fuse, mainly to see the power of the grenade.

And just like that, a dozen days later, the first batch of twenty grenades was made. Liu Yong personally went to watch the grenade experiment.

At the foot of the Big Python Mountain to the west, the first grenade successfully exploded, knocking down a small tree with a bowl mouth.

The experiment was a great success. Then came the second, the third, and the grenade detonated little by little. In the end, it was controlled within five seconds of the early control.

After Liu Yong read it, he was very happy, nodded with satisfaction, and immediately rewarded these five gunpowder experts.

In the evening, Liu Yong also deliberately let the five experts have dinner in the palace, which made the five people beautiful.

Liu Yong told them that this technology was related to the fate of the Huahan Dynasty and the Han people, and it must be guarded. All five experts swore by their assurances.

The next day, mass production of the grenade began. However, due to productivity and technology, as well as confidentiality issues, the efficiency of production is very slow. Only fifty can be produced per day.

This made Liu Yongzou frown. At this rate, when will an army of millions be equipped? And the consumables of this thing. It's not something that can be done once. And each soldier should be equipped with at least five.

He had to find a way to improve the production process, and the most efficient was the production line. Liu Yong personally went to the factory to inspect and found that the grenades were basically made by hand.

But it's so difficult to build a production line. The main thing is the question of power. Now it can only be an artificial assembly line.

Liu Yong discussed with a few people to see how to separate the various links of making grenades, and each link was operated by special workers.

The premise is that the various materials are also processed separately and then assembled.

Liu Yong made a suggestion, and several people, including some skilled workers outside the leader, began to study in sections.

In the end, Liu Yong made a decision, set up separate factories, produced different parts respectively, and finally assembled them in a field. During the period, it is necessary to strictly control the quality, after all, this is not an end of trouble, and an accident is fatal.

This idea is very good, the division of labor is clear, and the efficiency of production is greatly improved.

Branches were soon set up, and specialized in the production of cast iron sheaths, gunpowder and wires, and firing pins and safety tabs.

By the time the parts were assembled in the factory, a factory of about fifty people would be able to produce five hundred grenades a day. This efficiency is very good. Liu Yong was also satisfied.

But in order to produce more and faster grenades, it is necessary to build several more factories. These factories were built near Cheonan Province, far from the villages.

First, these arsenals must be under the nose of the imperial court, and they must be well managed and risk controlled. Second, it is also safe. Once something happens, at least it won't harm the people.

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