Seth continued to explain while walking along the long pipe.

"As for the three combustibles, the first is light oil. Its calorific value is relatively low, probably only about 40% higher than wood, but it burns very fast and releases a huge amount of heat in a short period of time..."

"We think that it should be developed into a weapon. You have mentioned'incendiary'. We think light oil is very suitable for making incendiary bombs. But the research institute has too much work and there is no extra manpower to research incendiary bombs. ..."

"Your Excellency, please see, this is light oil..."

In front of a metal bucket next to a still, Seth gently lifted the lid of the bucket and said, pointing to the inside of the bucket.

Reynolds suddenly smelled a strange smell, like the smell of roasted barbecue mixed with the smell of rotten eggs, but the smell was relatively mild and acceptable.

The liquid in the barrel was light yellow, clear and clear, and the surface was glowing with grease-like luster.

Seeing Renault frowning slightly, Seth said with a wry smile: "Your Excellency, we have thought of many ways to repeatedly adjust the distillation temperature and time, and even use the'activated carbon filter device', which can only reduce the odor to the current level. ."

Renault shook his head gently: "Don't pay too much attention to my reaction just now, in my opinion, you have done a good job!"

Seth bowed immediately after hearing the words: "All of this comes from your great idea. Without you, I am afraid no one would have thought that black oil could be used in this way. Your wisdom has amazed the world..."

During this period of time, Renault had heard flattering that was a hundred times more than in his previous life, and his resistance to flattering was also greatly increased. At this time, hearing Seth's unscrupulous flattery, he just chuckled: "Okay, go Look at the next product."

After walking tens of meters along the pipeline, Seth opened another metal bucket.

"My lord, this is the combustible material obtained in the second round of distillation. Its calorific value is 30% higher than that of light oil, its burning speed is relatively slow, and its burning point is higher."

"You asked to use'diesel' to name one of the fuels. After testing, we found that it best meets the characteristics of diesel that you said, with low energy consumption and more stable combustion. If you agree, its name is diesel... "

Renault looked into the barrel and saw that the liquid inside was brown, and the smell was almost non-existent. There was only a very faint smell of sea. People with insensitive sense of smell could not even smell it. He nodded in satisfaction: " Let's call it diesel!"

Seeing that Lord Lord was in a good mood, Seth asked cautiously: "Lord Lord, does the name'Diesel' have any special origins?"

Renault smiled slightly: "I hope it can replace firewood in the future, so that civilians don't have to work hard to cut wood when cooking or heating..."

Seton nodded convincingly, and admired: "You are so kind."

But Renault knew clearly that this guy had an admiring look on his face. Quante was pretending that he didn't believe Renault's words at all.

The reason is simple. Can those clanking poor civilians in the territory can afford diesel?

They haven't even eaten for a few days, how can they have extra money to buy diesel?

Even if you can afford it, you don’t want to buy it. There are many trees on the island, so you don’t need money to chop it down.

Only high-income groups like Seth, or a few wealthy businessmen, are willing to spend money to buy diesel, and their purpose of buying diesel is not just pure consumption.

It also contains metaphysical things such as class and ostentation. If the things I use, my lord, are the same as mud legs, wouldn't it fall to the same class as them?

But Renault didn't care, because he didn't believe it himself, and he said it just for a random reason.

The real reason is feelings!

On the earth, Renault's major is called "thermal energy and power engineering". To be precise, it is the direction of the engine, or more precisely, the diesel engine in the engine.

He can be sure that in another world, due to the existence of such unscientific things as magic energy, I am afraid that there will be no more diesel engines. He is really ashamed of his major and ashamed of Mr. Diesel.

But there is no diesel engine, there can be diesel!

This is the real origin of the name.

Yes, this is the feelings of an engineering dog!

But can you tell this to others?

No, so he can only talk nonsense.

In each other's "ghost fetus", the two walked to another slightly larger distillation kettle, which was actually equipped with two liquid outlet pipes. Obviously, the output of this combustible material is the largest.

Seth opened a lid of the barrel and began to introduce the last product: "Lord Lord, this is heavy oil. It has the highest calorific value, which is more than twice that of light oil, but it burns at the slowest speed and has the highest ignition point..."

The appearance of heavy oil is obviously inferior to light oil and diesel. Its color is jet black and shiny, and it always gives people a dirty feeling. In fact, heavy oil is quite pure and contains almost no impurities after several distillation and filtration treatments.

Its peculiar smell is much lighter than light oil, and the smell is more like burnt wood, but it is not unpleasant.

Renault moved his fingers, and a small group of heavy oil flew up from the metal barrel with a long thread. Obviously, heavy oil was extremely viscous and had poor fluidity.

After the oil ball flew in front of Renault, it suddenly spontaneously ignited out of thin air and turned into a bright fireball. Two minutes after the hot flame lit up, the oil ball burned out.

Sure enough, as Seth said, heavy oil is quite resistant to burning.

Just after the flame went out, Seth said: "After testing, we found that it is the most suitable fuel for the Heat Demon engine..."

At this time, Renault interrupted and asked: "When the Heat Demon engine uses heavy oil, what is the thermal efficiency?"

Seth's face showed a trace of sorrow: "It's just over 10%, which is a little bit higher than using black oil directly..."

He lowered his head slightly: "Lord Lord, I'm very sorry, it took us a month to increase the thermal efficiency by 5%, which seriously delayed the progress of the magic ship..."

Having said this, a trace of determination suddenly appeared in his eyes: "However, we will definitely work harder and strive for an early..."

Renault raised his hand to interrupt Seth, glanced at the deep dark circles on Seth's face, and said seriously: "No need to apologize, I am very satisfied with your work..."

As the most watched project, Renault knows its progress very well and understands exactly how much effort the Rune Institute has made.

In order to verify the rune groups, the rune magicians have designed and manufactured thousands of different models, and test more than 30 groups on average every day.

As far as he knows, just to inscribe a rune disc requires a magician to concentrate on at least 2 hours, and it also takes 2 hours to complete an experiment.

It can be said unceremoniously that these magicians are simply working hard. Many people work more than 16 hours a day, and more people have been working for a month without taking a day off.

This horribly long working hours has approached the limit of the human body, how can you "work harder"?

No matter how hard you try, you can only stop eating or sleeping, but what is the difference between this and suicide?

Who can bear to demand more of such an astonishingly highly engaged subordinate?

Renault patted Seth on the shoulder and sighed: "I think the key to solving the thermal efficiency problem should be with me..."

In fact, he understands very well that the fundamental reason why the Thermo Engine has not made progress is that the rune array of the [First Law of Thermodynamics] is missing the most important other half.

It is [thermal conversion]!

As the name suggests, it can directly convert heat energy into thrust.

Yes, direct conversion, no media required!

The principle of the Heat Demon engine is exactly the same!

Thinking of this, Renault's eyes darkened. He needed a soul, the soul of a powerful monster.

In an instant, a picture appeared in his mind.

A picture composed of countless tentacles, they emerge from the gloomy seabed, completely covering the surface of the water...

Mr. Troll, I hope you won't disappoint me...