Yang Wenli turned into a science madman and threw himself into boring scientific experiments. At the same time, the slave soldiers and tuntian soldiers in the cottage were further strengthened after several months of strength training on the basis of Yang Wenli's liberalization policy to let them eat well and be full.

After Yang Dao was just sent, Yang Rendi and the three teenagers who were in charge of supervising and training the Tuntian soldiers began to officially pass on the mystery of their three tricks.

"Martial arts in the world are only fast and unbreakable, as long as you are fast enough, there is no enemy of you. Today, I will formally teach you the most effective and easiest move on the battlefield, the three moves of slashing.

Don't think these three moves are very simple, in fact, these three moves already include all-round attacks on the enemy's moves, including up, down, left, and right four directions, this is the truth of returning to simplicity and simplicity.

I'm going to take the split as an example to talk about the importance of this move. Ordinary people who have not been trained to slash a knife have limited lethality, and it is easy for others to crack it.

But if your knife is fast enough, faster than the reaction speed of ordinary people, then the enemy can only be killed by the neck, and his head will be cut off by you before his brain can react.

Now, let me show you. ”

After the routine training in the morning, Yang Rendi began to teach the Tuntian soldiers Yang's knife technique, chopping and slashing three moves. They didn't have an intuitive feeling and didn't believe his words, so he demonstrated it himself, letting these Tuntian soldiers know that simple moves can have a huge effect.

"Everyone, please see, there is an intact straw target in front of me, everyone look carefully, how I came out of the knife." As he spoke, Yang Rendi patted his hand on the straw target to prove to them that he had not done anything.

"Click" In the next second, these slave soldiers only faintly saw a burst of white light flickering, and then they only heard the sound of Yang Ren's knife entering the scabbard, but the straw target in front of Yang Ren's ground seemed to be intact, could it be that this young soldier had missed?

Just when they were puzzled, Yang Rendi gently patted the target again, and the target was split in two, and the vertical straw target left a neat and smooth beveled cutting surface.

"Wow! ......" The Tuntian soldiers couldn't help but let out a loud cry of surprise.

How is this possible? Not to mention seeing him chopping, he didn't even see the action of drawing his knife and closing it, but he vaguely saw a flash of white light. It's also a big deal, it's incredible.

Although the straw is easy to cut, this straw target is tightly tied, and the knife is not sharp enough or strong enough to be cut with a single knife, let alone such a neat and smooth stubble. Moreover, after the knife split, the straw target turned out to be as if it had never been moved, which shows how strong and fast the capillary is!

"How? Do you see it clearly? Seeing the look of surprise and surprise on the faces of these Tuntian soldiers, Yang Rendi asked them proudly.

"No ......," the Tuntian soldiers replied with their heads shaking like rattles.

"This is the embodiment of extreme speed, beyond the limits of the human brain and the clear eye, ordinary people can't see clearly, let alone resist, he has no choice but to be slaughtered.

I wasn't born with such a fast blade, and it took me years of practice to get to where I am today.

Of course, it's not just a simple knife, without any skills. The key to the knife is to adjust your spirit to the best state when the knife is out, and when your momentum reaches the peak, go all out to make a knife, and the amplitude should not be too large......"

Yang Rendi began to formally teach them the know-how of making knives, taught Yang Wenli to him, and after years of personal practice, he summed up the know-how and taught them without concealment.

Next, he personally demonstrated and explained the secret of flirting with two tricks. So that they can truly understand the truth of returning to simplicity and simplicity.

The slave soldiers and the Tuntian soldiers here are gradually growing day by day, but Yang Wenli from the armory workshop over there is in trouble.

If the armor needs to be super defensive, and it is only two millimeters thick, then its tissue density must be very large, which means that it needs a larger extruder, an extruder powered by multiple people or animal power.

In the past, he asked Yang carpenter to make a wooden screw with the thickness of a baby's arm in Maoshan Chong, and he needed a larger screw, a screw with the thickness of an adult's arm.

But there is no carpenter with good skills like Yang carpenter in the cottage, what should I do? This stumped Yang Wenli.

After thinking about it day and night, Yang Wenli thought of the lost wax casting mold, which had been widely used in ancient times. In fact, it is to use wax instead of wood as a male model, the wood material is relatively hard, it is difficult to be processed, only professional carpenters can use woodworking tools to process, but the wax texture is soft, it is easy to process or carve, if you use caliper specifications, ordinary people can also process a precision wax screw out.

Just do it, and with an idea, Yang Wenli immediately sent people to collect raw materials such as paraffin, pine resin, butter, and tung oil, and experimented with the raw materials for the lost wax method. It should be easy to melt, but it should have a certain hardness when cooling, not too soft, that is, it must be plastic.

Yang Wenli, who was restricted to scientific research activities, immediately turned into a scientific maniac, he forgot the passage of time, and a month later, he finally developed a qualified wax.

Then he didn't stop for a moment and began to carve the screw wax model, carving is a meticulous job, and the screw must be very precise, he is not worried about others, so he personally began to carve it.

There is no strict rule on the size of the screw, as long as it can withstand strong enough force, the only requirement is precision.

Wax is indeed much easier to process than wood, and if there are mistakes, you can even modify it, drip some wax on it, and then carve it. Therefore, the processing speed is much faster than that of the original Yang carpenter, and half a month later, a precision wax screw model is formed.

The ancient lost wax method is to use Fan mud to completely close the wax model, only one mouth is left to fill the bronze liquid, after the Fan mud is dry, heat it on the fire, melt the wax, and then pour it out from the reserved opening, you can officially cast, and the fan mud is broken after the casting is completed, and you get the bronze rough embryo you want.

Yang Wenli uses clay, which is not completely sealed, but made into two molds, and after casting, the molds can be reused after the castings are taken out separately. Clay is similar to the refractory brick material, can withstand high temperature, has high strength, is not easy to deform, is a very precise and standardized casting method, all castings are the same size, is a unified standard, which can not be done by the fan mud method.

Finding the right way, Yang Wenli took advantage of the victory to pursue, and he used the lost wax method to carve and process the armor mold, because it is easy to process, and very precise, he even tried to carve some delicate and cumbersome patterns, so that the plate armor is no longer smooth as a mirror, with a Chinese artistic atmosphere. For example, the shape of a tiger's head, a leopard's head, a wolf's head and other beasts can no longer be called plate armor.

These beast heads are not all useless, and they can distinguish the rank of soldiers, which was very important in ancient battlefields.

…… To be continued