Since then, his parents have been living quietly in the Holy Soul Village, his father is still working for the village to make agricultural tools, and his mother has started to weave, and her life is simple and fulfilling.

Tang Sanbar drew drawings according to the appearance of the single plow in his memory and handed it to his father to build, which was convenient for the villagers to cultivate. Tang Hao saw that one of the villagers was pushing in the back and one was pulling in front, although it was faster than using a hoe, it was still very slow.

He simply took matters into his own hands, connected several plows in parallel, and then pulled them in front of him, easily turning over a large area of cultivated land under the shocked gaze of the villagers.

Tang Hao didn't explain anything, now that the injury has healed, he has to find something to do every day, otherwise he has to rust, which is also good, men and women weave, stay away from fighting and killing intrigue.

I suddenly longed for the prosperous world that my son often depicted to him, where soul masters no longer fought with each other, but promoted social development, and there was no longer a distinction between commoners and nobles, and everyone was born equal.

Power should not be a tool for selfish pursuit, but a responsibility to be assumed. It should be the power to seek a happy life for the people.

In such a prosperous world, I want to take a look at it...

"Dad~Dad~"

Tang Sanbar's voice sounded, pulling Tang Hao's thoughts back to reality, glanced at his son in the distance, and said with a smile to the villagers: "My son called me, I'll go back to you first~"

"Hahaha, go back quickly, maybe the junior will bring something new."

"Yes, even this iron plough is Xiao San's idea."

After greeting the villagers, Tang Hao came to the end of the field and asked with a smile: "What's the matter, son, what's the new invention?" ”

Tang Sangang pretended to be mysterious: "This is an invention that can change the world!" I'm afraid that Dad, you can't do it as a god craftsman~"

After Ah Yin was resurrected, Tang Hao was in a good mood, as if he was dozens of years younger, and he talked more, telling Tang Sangang a lot of things about himself, and this identity of a divine craftsman was one of them.

"Hahaha, what can be hard to stop your dad? Tell me about it! ”

"Steam! Steam! Machine! ”

Tang Sankong said word by word what he wanted to build, this is a great invention that can change the direction of the world, with it, it can completely liberate manpower and animal power.

PrincipleEvery person in the Celestial Empire who has gone to school knows that the essence of human civilization is to constantly repeat the process of boiling water~

After the water is boiled, the steam expands and is introduced into the sealed cylinder, which pushes the piston inside to do work, and the connecting rod attached to the piston moves to do work.

This converts thermal energy into mechanical energy.

"Steam engines? What is that? ”

"It's just a stove for boiling water..."

Tang Sangang smiled and returned home with his father, and handed him the drawings, which were marked with the name of each component on the drawings, such as cylinders, pistons, piston rods, air intakes, exhaust ports, combustion chambers, slide valves, flywheels, and centrifugal governors.

Tang Hao looked at it for a long time, and he could see that the left was a boiler for boiling water, in the middle was a device that let steam push the piston, and on the right was a flywheel, the ultimate goal was to make the flywheel rotate continuously.

Tang Sangang looked at this drawing with emotion, how many brain cells did he spend to copy out the reciprocating steam engine drawing, this is already the configuration of the steam train.

Thanks to the Sims, Tang Sankong searched for relevant books in the library, and studied it for a long time before drawing drawings and asking his father to make them.

After the water is boiled, the high-pressure steam enters the slide valve chamber through the pipeline, and then enters the cylinder, pushing the piston to do work, when the piston drives the piston rod to promote the flywheel to rotate, the slide valve stem connected to the piston rod also moves, the slide valve will open and close the air inlet and exhaust port on the cylinder through left and right movement, so as to achieve the purpose of pushing the piston to do work back and forth.

The centrifugal governor is connected to the flywheel, the purpose is to keep the flywheel always at a stable rate, there are two iron balls on both sides of it, suspended on the round rod, when the speed of the flywheel is too fast, the rotation of the round rod is also accelerated, due to the centripetal force action of the iron ball rises upward, drives the valve of the steam chamber to close, so that the steam entering the cylinder is reduced, so that the efficiency of the piston to do work is reduced, the speed of the flywheel decreases, the centrifugal governor also decreases, the valve of the steam chamber is opened again, and the movement efficiency of the steam engine is always controlled in a stable state.

It took about 100 years for the whole device to be perfected, and the intake and exhaust ports and spool valves on the cylinders were carefully designed by their predecessors, and if the proportions were wrong, it would be a failure.

Tang Sanbar didn't expect his father to be able to make it in three or two days, after all, a cylinder with a very smooth interior was a problem, Douluo Continent didn't have a machine tool, all metal instruments were hammered out with a hammer, and it was impossible to make a qualified sealed cylinder!

But after all, this is another world, maybe the craftsman god will have a way?

Tang Sangang could only say: "Come on!" In the future, the only criterion for judging the craftsmanship is to build a steam engine by hand..."

Tang Hao flipped over and looked at the drawings for a long time, but he didn't understand what this thing was for, so he asked, "Son, is the ultimate purpose of the thing you want to make is to make a wheel spin?" That's too much work, isn't it?"

"No, no, no, it looks like a wheel on the surface, but it's actually an artificial steel soul beast with infinite power!"

"Just imagine that this machine is mounted on a huge carriage, and it can move forward on its own without the pull of livestock, and it is tireless, emotional, and powerful, and what a contribution it will bring to the development of society!"

"To put it mildly, it will shorten the distance between people, even on both sides of the continent, it will only take a few days to see each other. In general, it will completely change this society, and it can replace many places that require manpower, such as loading a car with an iron plough and driving it forward, so that one person can turn over the entire cultivated land of the village! ”

"The battlefield will not suit it, and the fields that transform people's livelihood are more suitable for it."

That's right, Tang Sankong has only two clear goals for the application of steam engines in the future, one is a train, and the other is a tractor.

Trains can facilitate trade and exchange across the continent, increase the movement of people, and weaken the boundaries of the empires of the various kingdoms and principalities.

The tractor can be ploughed by loading it with an iron plow, which is better than Tang Hao, the title Douluo, who personally went to the ground, and the rotary tiller can also be modified in the future. The steam combine harvester is somewhat difficult, but the threshing machine, huller, seeder, and steam mill are still easy to achieve.

This will strongly liberate agricultural productivity, allow more people to invest in other industries, and make outstanding contributions to social development.

"Father, now you know why I want you to make a steam engine, this is just the beginning, just like a carriage makes only one wheel, but the wheel of the steam engine will be as heavy as the wheel of history."