As the track works continued, a variety of tools were in demand on the frontline construction sites.

Among them, the application of new machinery is undoubtedly one of the areas that Nesta and the rest of the witch doctors focus on the most.

As soon as the logging truck was successful, Nesta ordered the participants to take the lead in setting up a "mechanical research institute", hoping to get more spiritual ideas and results by bringing interested minds together.

Later, the Institute of Mechanics lived up to his expectations, and successively figured out a series of various machines suitable for trolls.

~~~

The mechanical tooth, who has just reached adulthood, is already one of the most popular witch medicine practitioners in the tribe.

If you want to say why, because the original design of the logging truck of construction machinery is his work.

As a result, he took on the position of "Director of the Mechanical Research Institute" at a young age, and felt deeply honored and responsible because of the importance of the Dictator and the Rune Council.

Since then, the machine tooth has deeply participated in and presided over the design of many subsequent industrial and agricultural machine series products, and has achieved outstanding results.

But this is such a young troll, who should be full of confidence and pride, but at this time he has a sad face...

Newly released from the Intelligence Center, he was on his way back to the institute with a thick stack of paper full of bad feedback.

"It's been six times... What exactly went wrong!

”

The institute has always been concerned about the needs of the most cutting-edge of rail engineering, and when it learned that "stone powder production" has become the most arduous and labor-intensive work today, it immediately started related research work, hoping to solve this problem with mechanical power as always.

But unlike previous successes, this time their design failed many times.....

Stone powder, as the name suggests, is a powder made by grinding hard stones;

In the perennial practice, the tribe found that the product obtained by mixing a certain proportion of steel sawdust, grease and tree thickener with a large amount of stone powder, and then stirring and baking with water, will become an excellent building material.

This material is called 'wood-stone concrete' and has a very good durability, solidity, and fixability, and is used in large quantities in the construction of the latest city walls and the laying of foundations in rail works.

Therefore, the grinding and mixing of stone powder has become one of the most time-consuming and labor-intensive tasks on the front line.

The research institute's solution is the same as when it first designed the lumberjack, still using the 'old-school' troll power mode, and preparing to build a special machine that can go to the front line and is easy to use.

As a result, the first draft, which was full of confidence and had undergone preliminary attempts, was sent to the front-line factory, but was rejected because of negative opinions such as "impractical" and "processing a cup of money";

After the second draft, the third engagement... Until today, the sixth draft design has been the same, either "the amount of processing is too small, but it will be more wasteful of labor", or "it is unprecedentedly bulky and cannot be operated for a long time", or "the weight of the working part is too large to run", in short, it has been rejected.

He couldn't rudely shift the blame to the factories in charge of manufacturing on the front line, or the workers in charge of actual verification, but out of simple trust and repeated reflection on feedback, he realized that this time it was really himself and the design of the institute itself that was wrong.

The reasons for failure are balance, flexibility, weight, and so on.

Testing machines that focus on flexibility simply cannot take into account the efficiency of the functional side; However, the testing machine, which focuses on the functional end and amplifies the working components, cannot achieve the balance of driving force.

If the steel-wood grinding disc wants to achieve the effect he wants, whether it is weight or volume, it will greatly exceed the limit that an engineering vehicle can bear; And in terms of labor durability, production efficiency, mechanical composition, etc., it is always impossible to find a satisfactory balance point on the other front.

Therefore, the six designs before and after were determined to have no practical application value.....

Even in the midst of the back-and-forth toss, the factories in charge of manufacturing on the front line became resentful, with assemblers complaining that they had to learn something that failed, and "engineers" complaining about delays in normal production lines.

The front-line production team, which is a laborer, complains more, such as 'I haven't smashed it with a hammer yet', 'Why is this more difficult', 'It takes five or six team members to use it, and I don't have to do other work?'" “..... And so on.

Everything was too smooth before, and he hadn't experienced too many twists and turns in his life, so his heart was actually not as strong as those predecessors who had experienced the baptism of hard times.

As now, the research is not going well, the front-line factories are complaining, the workers are complaining, and the self-doubting that 'Your Excellency the Dictator will not be disappointed in me'... Everything of this kind weighed on his shoulders like a heavy burden, making the mechanical teeth a little breathless....

Of course.... In fact, Nesta, who was busy, didn't know anything about the grinder's research at this time, and the Rune Council actually never blamed him......

All in all, the young mechanical tooth was already a little panicked.

Due to the large number of trolls being sent out, the streets of the headquarters seemed a little empty at this time, and the mechanical teeth walked alone on the streets;

He tried to keep his mind calm, and kept repeating in his heart, 'It's okay, it's okay.'"

At this moment, a small stream of water flowed from the corner, which suddenly attracted some of his attention.

The source of the water is unknown, it may have been deposited after rain in the morning? It flowed slowly out of the alley, its forerunner almost at the foot of the fang.

On the path ahead of the water, there was a small lone piece of wood lying down;

It seems to have a pebble at one end, and is therefore slightly upturned;

At the other end, it is slightly inclined and supports the ground with only one of the corners.

As the water approached, it hit the sloping surface of the chips little by little, causing them to move and eventually fall off the stones, and gradually 'drift away' along the current."

The mechanical tooth's expression was a little sluggish, but the thoughts in his mind came and went, and all kinds of thoughts fluttered in a complicated way, but they always disappeared the moment he could be caught.

He didn't know what he was expecting, but he always had a feeling in his heart that he was telling Mechanic, 'I've definitely found something important!'

But I don't know what to do.

This is like the unpleasant feeling of being urgently summoned in the middle of the toilet and having to be pinched, which makes him feel extremely uncomfortable......

But because of the shift of attention, the mechanical tooth was able to get rid of the 'sense of failure' at this time, even if it was only temporary.

He shook his head, momentarily pushing the mess out of his head, took two deep breaths, and started walking in the direction of the institute again.

His companions are still waiting for news from him....

Along the way, the mechanical tooth passed through the residential areas where there were few traces of trolls due to the special period, and hurried along the road.

The breeze blows, driving the shadows of the trees on both sides of the road to shake constantly, and the leaves make a 'rustling' sound under the caress of the wind;

The door next to it was suddenly pushed open and slammed against the wall with a 'Duang', and when it rebounded, it made a 'rattling' sound because of the lack of lubricating oil at the bearing;

"Damn old thing! actually took advantage of the lake to climb the bed! Get out!

”

An old man was pushed awkwardly with a skirt in his hand;

Behind him, a young-looking female troll was pushing him naked and pushing the old man out the door.

The troll's mating was already chaotic, and the tooth didn't have the heart to bother with the mess at this time;

So he didn't stop at all, and walked vigorously with his head covered.

However, scenes such as "the water drives the wood", "the wind drives the leaves", and "the door is slammed open" are actually recorded by the eyes and ears.

~~~

The Mechanical Research Institute is located in the extension of the central area of the tribe, and the main building is a rare two-story structure connected by steps; Outside the main building, there is a fairly spacious courtyard with a large number of testing machines.

At this time, there was a troll in the courtyard who was fiddling with the machine, and when he saw the mechanical tooth coming back, he began to wave from afar.

The troll, called Machinefang, was also a witch medicine cult and one of the trolls who had received Nesta's mechanical enlightenment on the banks of the White River, and was now serving as the deputy of the Institute.

He was as young as the Machinetooth, but he seemed to have a better mentality, and there was not a trace of frustration on his face because of failure.

"Coming back? What is the previous feedback? ”

The machine tooth asked, sat down at the operator's table of one of the machines, and then pressed the pedals.

'Boom boom'.....

The idling machine roared, and then the sledgehammer in front of it was driven, and it slammed down on the workbench that was nothing, making the dull sound of steel and wood colliding with each other.

If it was in the past, the mechanical tooth that had always been distressed by the machinery would definitely stop this behavior of his comrades-in-arms immediately, but when he saw this scene today, he didn't care about anything, and just stood on the spot in the expectant eyes of his comrades-in-arms, "Come and quarrel".

His straight, unfocused eyes startled the teeth, thinking that this guy had been stupid if he hadn't withstood the blow of defeat.

With an embarrassed laugh, he stopped his movements and said cautiously,

"Comrade-in-arms, don't be like this, it's just a scrapped machine... Why don't you scold twice? ”

His words were automatically filtered by the listener's consciousness, and the various pictures and sounds on the road before, as well as the previous 'pranks' of the machine, gathered into something called "inspiration", which flashed through the mind like a thunderbolt.

"yes... Why bother with 'troll'? Isn't there a greater, more constant source of motivation that has always been around us! ”

He muttered like this, and walked past the machine teeth as if there were no trolls, and went straight into the laboratory building...

One by one, his comrades greeted him, but as if he couldn't hear anything, he went straight to his desk and sat down.

He subconsciously pulled out the huge piece of paper designed for design, then picked up the quill that was always dipped in the inkwell, and drew it on the paper along the lines of his mind.

Paddle structure... Denied, the door shaft structure... negation

..... Huge rotatable disc ..... From Face to Body ..... The outer edge of the depression becomes a separate partition.....

Bearing... Gear set transmission.... Mechanical body....

The more he painted, the more excited he became, the ideas that came to his mind like a spring, and even the design of the complex gear set was only a moment of thought before the initial results were achieved......

The overall design ideas of a group of gears and mechanical structures seem to be being carved by a pair of invisible hands in his mind, and they are constantly presented and reorganized as if they exist in reality, approaching the design purpose at a very fast speed.

The anomaly of his previous state had been detected by the rest of the apprentices in the institute, and out of concern for his comrades, all seven apprentices, including the machine teeth, had actually followed him all the way and witnessed everything that happened at this time.

What appeared on the paper was so incredible, this kind of sophisticated, complex mechanical structure was obviously not something that an apprentice could deduce from scratch in a short period of time, it had always belonged to the realm of brain speed of the witch doctor.

So, there's only one possibility left.....

"He's advanced!

！ The suppressed voice of excitement came from the mouth of the machine teeth behind him.

~~~~~~~~

Ten days after the tooth was smashed by inspiration and advanced to the witch doctor due to its own accumulation, the headquarters mobilized twenty apprentices to send a paper and the news of the birth of a new witch doctor to the far west;

After another three days, the paper finally arrived at the cave base after four relays, and was then translated into text by the Intelligence Center and delivered to Nesta.

"Research on the replacement of troll power with water power on large machinery"

Looking at the paper in his hand and the new design idea of the stone grinder, Nesta smiled with satisfaction.

Since the establishment of the new system, this is the first time that a witch doctor has made non-magical research his "open-door" paper. Nesta thought.

To be honest, Nesta himself is not unthinking, but there are so many things to think about and make decisions every day, and many inspirations and ideas are always delayed for one reason or another.

Some of these trivial thoughts will be picked up by him again after a period of time, and some will simply be completely forgotten.

"Even if I have a thousand thoughts and ideas, I will always be unable to take care of them because I am alone, okay... All right... Finally, I saw the growth of the little ones again. ”

"Come, take a look. It's good stuff. ”

As the words fell, a vine appeared in front of him, sweeping away the pages that Nesta had handed him over.

Rough Fang took the paper in front of him, and read it silently in the form of a half-tree troll.

After a while, he nodded and said slowly,

"I.... See.... Yes.... Endure.... Other.... To."

"Well, then pass it on, so that all the apprentices and witch doctors can read this paper and inspire their brains, and the researchers should be good at making good use of all the substances that nature has given us."

"Understood, we'll do it." Said the Director of the Cavern Base Intelligence Center.

"Well, then you go first."

The comer bowed and retreated, and only the two witch doctors Thickfang and Nesta were left under the giant tree....

Nesta looked at the comer, then looked away and looked at the giant tree again.

Behind them, a huge cage tree hung down a total of nine vines;

The vine is a variant of a tree branch, with an end connected to the trunk and an ovoid at the end, making it look like a giant tree laying eggs.

"Hopefully a good result....." Nesta said, looking at the nine eggs of different sizes and colors.

~~~~~

The dissertation was sent to almost all witch doctors and witch medicine disciples at the behest of Nesta, and the ideas and practices of the use of water power had a profound impact on the focus of the work in the following period.

In the four bases at the frontier, many trolls have been filled into the factories due to mechanical power, and these factories are busy manufacturing a steady stream of parts and finished products every day.

But no matter how powerful and endurance the trolls have, they are still flesh and blood, and they will feel tired because of the intensity of their work, and they will also feel bored and boring because of the constant repetitive work;

And there are so many trolls, and the total number of trolls who can act as workers is even more limited;

In the case of both track construction and factory work, many workers who could have been used to do more technical things were assigned to "power posts" due to lack of labor, although the original intention was to bring them closer to technology, but also in the repetitive work to consume their possibilities.

Therefore, these factories are both successful and unsuccessful, limited by the amount of labor, efficiency, and always unable to increase output unscrupulously.

And now, once the idea of hydraulic application is put into practice, almost half of the factory can be liberated... Even more trolls to make them do something more fun and challenging.

The first to be set up was a large grinding mill, which was carried out by the witch doctors in each base due to the huge demand for stone powder.

Due to the indispensability of water resources, the site was located near the river when the site was originally selected.

Although it is not completely adjacent, there is always a stream of water with acceptable runoff within two or three kilometers outside the city.

So, the witch doctors went out of the city and built several huge paddle wheels by the power of magic by the river;

The paddle wheel rotates continuously under the impact of the river, and then drives the long axis in the center of the back side to twist;

The end of the power shaft extends into the factory building that stands on the bank of the river.

The riverside of the factory building is not a traditional wall, but a large hollow steel and wood cube next to each other, and the outside of the cube is connected to a long axis from the paddle wheel.

The cube has an extremely complex gear set structure, where the power of the river water is adjusted in terms of direction and stability, and then 'flows' out from the inside, driving the large grinding machine and other machinery further inside the plant.

The stones collected from the river are crushed (large hydraulic hammers), ground into powder (large hydraulic grinders), mixed with primary auxiliary materials (large hydraulic mixers), and then loaded into sealed wooden boxes of standard shapes and sent to large trailers.

Trailers carry the goods across the improvised road to the train station on the other side of the city, where they are sent to the forward base.

This box of semi-finished "stone, wood and concrete" materials greatly accelerated the construction of the roadbed, so that the arrival time of the day when the tracks between the various bases were connected was shortened a lot again.