In the mystic realm, it was still spring.
"Hehe!"
"Kaka!"
"Hey, they're all laying eggs."
Song Qingshan looked at the pale yellow eggs and white duck eggs with some joy.
The environment in this space was really awesome.
Everything was taken care of, not to mention saving worry and effort.
This growth speed was also extremely fast.
The chicks and ducklings were all full of energy and meat. The one they ate last time tasted different.
Even the number of eggs laid every day had greatly increased.
There were now 15 hens in the space, and they could harvest 60 to 70 eggs every day.
The peanuts and corn had already been harvested, and the second harvest was almost ripe.
If that was the case, when the egg hatched into a chick, it would be even more impressive.
An egg in the market costs 10 cents. My egg is big and beautiful. It's not too much to sell it for 15 cents, right?
There were fewer duck eggs and they were bigger. They had to be used to become bigger and stronger to continue developing and create glory.
If this continued, he would be able to sell eggs, corn, and peanuts when he had the time. It would not be too dangerous, and he could even enrich his wallet.
Thinking of this, Song Qingshan found it a little funny. Suddenly, a strange idea came to his mind. He looked at the flat grass and muttered to himself,
"If this goes on, won't the space become a farm?”
"Sigh, others are all high and mighty. I'm here to do farming.”
"However, this place is only about ten mu of land. It's a little small, and there's no hint on how to expand it.”
"Also, this space is a little too monotonous. There's not a single bird.”
Song Qingshan liked staying in this space more and more now. Breathing in this fresh air, he didn't know if it was a psychological effect or if it was really effective, but he felt that his body was much stronger.
Of course, there was another reason.
"Rain!"
"Fly!"
Dark clouds gathered on the top of the sky for a while, and the wind dissipated for a while.
Song Qingshan played for a while and looked at the hen flying around. After landing, the hen was still clucking in panic. He felt very interesting.
There were no other forms of entertainment these days, so they could only entertain themselves.
After waiting for a while, Song Qingshan had a thought and left the mystic realm space.
Today, he planned to go to the market to sell some eggs and buy some other seeds.
He could also go out of the city to grab some other small things to enrich the menu.
Just as he left the front yard.
"Qingshan, are you going out?" Yan Bugui asked as he pushed his bicycle.
"Yes, Third Elder, are you going fishing?”
Looking at the fishing rod in the back seat of the car, Song Qingshan asked casually.
"Yes, come with me when you have time.”
"Alright!"
Looking at Yan Bugui's back, Song Qingshan walked for a while before turning into a remote place.
After looking around, he took out ten eggs and a bag of peanuts from the space and walked toward the east.
They walked past New North Bridge and arrived at a single-family building.
"Heh, I didn't expect Master Lin's house to be so big.”
Song Qingshan muttered and knocked on the door.
"Who is it?"
A crisp female voice sounded.
"I'm looking for Master Lin."
The door opened, revealing a cute red face. The girl with a student haircut smiled and said,"Looking for my grandfather? Come in!"
Song Qingshan smiled and walked in with the eggs and peanuts.
He looked around the courtyard.
There were marble tables and chairs in the courtyard, and there were a few persimmon trees beside them.
There were also a few trees that looked like crabapple trees and Ding Fragrance trees, but when it was winter, there were only bare branches left. It was a pity that they could not see the scene of flowers blooming all over the trees.
Nowadays, planting persimmon trees meant that everything went well, but planting lilacs and begonia generally meant that the owner of the courtyard had a certain status and culture.
Thinking of this, Song Qingshan followed the girl into the house.
As soon as he entered the room, he felt much warmer.
"Master, I'm here."
As soon as Song Qingshan entered the door, he saw Master Lin studying the blueprint with a pair of presbyopic glasses.
"Little Song." Master Lin looked up and saw the thing in his hand. He pretended to be unhappy and said,"You still won't listen? Don't waste your money on these useless things.”
"It's just a worthless little thing. It's my first time coming here empty-handed, so I'm embarrassed to come here.”
"You're not allowed to bring anything when you come back next time. Otherwise, I won't even let you in.”
Master Lin scolded with a smile.
"Alright, I'll listen to you."
Song Qingshan smiled and placed the things on the table beside him.
Although he had agreed, he would still bring things the next time he came. After all, the things produced in this mystic realm were also good for his body.
Seeing that there was a big earthen jar in the room, Song Qingshan went over to take a look. There were all kinds of small fish in it.
"Master, you're even raising fish here?"
"That was raised by my granddaughter. A part of it froze to death in the courtyard, and now there's only a small one left.”Master Lin said,"Peipei, come and get to know him. This blueprint was drawn by this kid."”
Lin Peipei, who was carrying melon seeds out of the room, said with a smile,"I didn't expect Brother Qingshan to be so young and have such good mechanical skills. When Grandpa told me, I didn't believe it.”
"I'm not as powerful as you said. I'm just standing on the shoulders of my predecessors.”
"Alright, don't be modest. Come and tell me what this place is for.”
Master Lin opened a map and pointed at a place.
"I call this a stepping motor.”Song Qingshan looked at the introduction and continued with a smile,
"The transformation of this place is the premise of semi-automaton. The original motor only provides power output, and the control method is simply controlled by a switch. The safety is not very good.”
"This modified stepping motor is different. It controls the rotation angle by controlling the number of pulses.”
" But there is also a disadvantage. There will be some low-frequency characteristics, which means that low-frequency vibrations will appear at low speeds."
"It also increases the difference in torque-frequency characteristics. The highest working speed of the stepping motor is generally 300~600r/min, and the overload capability will also be greatly improved.”
"It takes 200 - 400 ms to accelerate from standstill to working speed (usually a few hundred revolutions per minute). This way, we can achieve fast start-stop control.”
"This way, the production efficiency and precision will be greatly improved.”
Master Lin was enlightened after hearing this. Although he did not know the principle, he still praised,"Putting everything else aside, as far as I know, this technology hasn't appeared yet. Just this thing alone is a great contribution to you.”
"No, no,"
Song Qingshan smiled modestly. In fact, this was a castrated version of the stepping motor.
After all, the era was limited, and some materials were not easy to obtain. There was also a flaw that he lied about vaguely.
After all, at this point, he could not let Master Lin retreat.
The disadvantage was that the stepping motor was an open-loop control. The input of a pulse stepping motor would turn a fixed angle, but the speed would not be measured.
The stepping motor was relatively slow to start, and it had to go through the process of frequency from low to high.
There would be some low-frequency vibration during the process of increasing from low speed to high speed, which was very detrimental to the normal operation of the machine.
It was just that it was not convenient to start and stop the operation method, but this four-high mill only operated two or three times a day, so there was no problem.
However, there was a way to overcome the low-frequency vibration phenomenon. Generally, the vibration technique was used to overcome the low-frequency vibration phenomenon, such as adding a damper to the motor or using a subdivision technique on the driver.
In this way, it would not be a big problem to increase the vibration frequency to the no-load take-off frequency of the motor by 20% from the original half.
He didn't know if they were researching this technology now, but he knew that the stepping motor was still many years away.
In his previous life, it wasn't until the mid-1970s that finished products of the stepping motor began to appear.
It was even more impossible to develop a more advanced motor because it required programming. Even the telephone was not popular yet, let alone a computer.
Even if there was, it was impossible to install it on this old antique.
This castrated version of the stepping motor could only be used in an open-loop setting. It could not be used in a closed-loop setting. It could only be used in some places with lower requirements, and the noise would be even louder at low speeds.
However, it was more than enough to produce medium and heavy plates when installed on Old Antique.
Overall, the advantages outweighed the disadvantages.
Before Master Lin could say anything, Lin Peipei, who was at the side, felt that it was a serious matter. With a face full of admiration, she opened her mouth and asked curiously,
"Brother Qingshan, this is so professional. Where did you learn it?”
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