Release that Witch

What yearning for the new world... Roland is laughing.

Then he let the nightingale recruit Anna.

At this time, the former will always evade automatically, giving the two people a space to be alone.

Anna is wearing a light blue jumpsuit today. She can see the black stockings under the skirt, plus a pair of moccasins, it is full of vitality. These modern styles of clothing are directed by the tailors during the leisure time of Roland. The fabric is the water-jet coating provided by Soloya. It is light and easy to wear, and is also very durable, which is very suitable for her processing.

When she saw her eyes full of water, Roland would involuntarily smile.

Of course, now he doesn't have to be as honest as ever.

Pulling Anna to her lap and sitting on her back, sniffing her fragrance from the back, Roland first kissed her to get to the point. "I want to develop a new source of power."

"Like a steam engine?" She turned her head and followed her white neck to see her prominent collarbone.

Roland couldn't help but reach out and touched it, causing the latter to make a low-pitched laugh.

"Your Majesty, say something right."

"Cough, good," he put down Anna and pulled a stack of designs from the manuscript at the table. "Look at this first... can you read?"

"Well..." As soon as she entered the learning state, Anna's expression would be completely immersed. Just looking at her forgotten look, Roland would feel an inexplicable shame - as if he was sitting in the window In the classroom, the sneak peek at the schoolmaster who is eager to write a book.

In order to balance this mentality, he decided that at night he must let Anna bow down and ask for mercy.

"Probably understand," Anna finished the last drawing and thought about it for a moment and nodded. "It is also driven by steam, but the push piston is replaced by a windmill blade, thus eliminating the reciprocating motion of the connecting rod. I am right?"

“Exactly,” Roland put away his reverie in his head and put a serious face back. “It's called a steam turbine. It is still essentially driven by high-pressure steam, but it is much more efficient than a reciprocating steam engine. ”

This is Roland's long-established revolutionary product.

It can be said that the restriction of the basic industry to get rid of the witch is also due to this original intention - so that Anna can concentrate on higher-end mechanical production.

The steam turbine is his attempt in this field.

The use of steam turbines is extremely versatile and can be used both for marine and thermal power generation, especially for the latter – it is foreseeable that after the recovery of the dying ridge, Count Sper has to stay in her town for a long time. Dealing with government affairs, relying solely on the magical power of the mystery month to maintain the night illumination of the factory area is very stubborn, not to mention the power-up project in the residential area. Of course, Roland is not willing to admit that this is a planning failure caused by his lack of experience. To make up for this mistake, he can only use conventional means to generate electricity.

Due to the natural defects in the circulation principle of the steam engine, the current is high and low, and the circuit voltage regulation is Roland's weak knowledge. Therefore, a steam turbine with more stable output power and higher thermal efficiency is a more suitable choice.

"What do I have to do first?" Anna asked.

"Like the last gunship," Roland turned to a page with a blade. "Create a working verification model. It doesn't have to be too big. It can be used in a meter or so. It mainly solves the problem of the angle of the blade and allows high pressure steam. Pass through each of the vane grilles. As long as you do this, you will succeed most of the time."

Without detailed data, how can you make a finished product like this?

Only trial and error.

Regarding the core of the steam turbine - the impeller part, Roland does not worry about the difficulty in processing. The cutting precision of black fire is far better than that of the finishing machine of later generations; he does not have to worry about the material strength problem. After all, the working temperature of the impeller is between five or six Baidu. The alloy steel that Lucia explored was sufficient for this work intensity. The key lies in the angle matching between the stationary blade and the moving impeller. The former is like a fixed fence, adjusting the angle of the steam passing through, avoiding the collision of a swarm of bees on the impeller, causing chaotic or even opposite forces, essentially the same. Put the comb on the airflow.

If the model works properly, there is no difficulty in scaling up the manufacturing.

When the level of processing methods and materials is raised, it is inevitable that a fruitful industrial result will be produced.

"I understand," Anna said in a flash of eagerness.

"No hurry," Roland took her hand. "You should have listened to Wendy. I decided to take the initiative to catch the devil."

“Well,” Anna blinked. “Will you follow the past?”

Roland slowly shook his head.

"That's fine," she leaned her head on his shoulder. "The last time I saw you hurt, I was scared to death."

"Is it? But I listened to the nightingale and said that you are the most calm one on the spot. If it wasn't for your decisive disposition, I might be really-"

Halfway through, his mouth was stunned by Anna's soft hand. "You can't just say that word."

"I know," when Roland nodded, she let go of the palm. "In short, what I want to say is, you must protect yourself, understand? If there is an accident, use God's punishment immediately, don't hesitate. Even if you don't catch the devil... I will wait for you to triumph in the castle."

"Don't worry," Anna laughed. "I won't let them hurt other witches."

......

After she left, Roland was silent for a long time and said, "Are you there?"

"Of course," the figure of the nightingale appeared on the desk. "But I didn't overhear what you said, and she came back when she left me."

He stood up and walked to the window, looking at the direction of the snow-capped mountains, and summed up the hunting plan envisioned in his heart. "Before you leave, you have to rehearse several times in advance, familiarize yourself with the entire arresting process, and be responsible for each other." Task. But this is just a solution for a small number of chasing devils. How to do it depends on the actual situation.” He said that he had a pause, “If the arresting operation encounters the worst situation. ...I mean the irretrievable kind, you have to bring Anna back anyway."

The nightingale didn't answer immediately, and when Roland turned to look at her, she opened her eyes in a complicated way. "Is this the real reason why you are not going?"

Roland did not deny, "Otherwise you will definitely choose to save me, right?"

"...I understand," she sighed. "I will do my best."

"Besides opening her, I can only believe it," Roland patted her shoulder and said word by word.