The days before departure passed quickly. Zhou Changfeng completed a series of preparations for the engagement vigorously and gave Xia Xiaoshi the two hairpins, one wooden and one silver, that he bought last time.
At the same time, it also comes with its own tungsten steel hairpin full of unique meaning.
One can imagine how confused and confused Xia Xiaoshi was when she saw the black-gray hairpin with rich metallic luster.
Xia: What is this... made of?
Zhou: Tungsten steel, with high hardness and corrosion resistance, is really a magic tool for home and travel. If you encounter a bad guy, you have a pistol when you are far away and a hairpin when you are close, and you will definitely catch him by surprise.
summer:……
Although it was a bit shocking, after all, it was tempting, so Xia Xiaoshi happily accepted it.
What's more, in terms of appearance, this dark metal hairpin is quite beautiful and can be called elegant.
After that, Zhou Changfeng officially visited the Xia family.
According to the advice of Yao Liangchuan and other military officers, it is the greatest respect for the woman that a man takes the initiative to go to the woman's home to get engaged. Therefore, many young men and women in the Ming Dynasty now choose to get engaged at the woman's home; and at home, there is no need for outsiders to disturb them. Conversations can be more intimate and personal.
There are many people who like grand ostentation, so there are also some people who choose to hold their engagement banquet in high-end restaurants.
Logically speaking, in this case, the male elder must come with him, but Zhou Changfeng obviously did not meet this condition, so he came alone in the end.
Xia Bing and Gao Lingling were very enthusiastic, while Zhou Changfeng was equally free and easy, without any appearance of rawness or restraint.
On the dining table, "Taishan" and "Taishui" were spoken one after another, and they talked about everything from ancient times to the present, turning the engagement ceremony into a "daily chat between son-in-law and parents-in-law."
The most embarrassing thing during this period was Xia Xiaoshi, who was involved - her father and Zhou Changfeng were having a lively conversation, while her mother looked on with a smile and asked a few questions from time to time, but she herself had to hold the chopsticks and put her head down to pick up the rice.
This scene is very much like a dinner party with relatives in later generations. The relatives are drinking and chatting, while the younger generations can only eat and pick up food with their heads down, bored.
A piece of thick red paper folded in half, written in black and small letters, signed by both parties, the engagement letter is considered complete, and then it can be taken to the Household Hall of Jiangning County Government to register and keep the file.
Different from Zhou Changfeng's original plane, the Ming Dynasty's marriage regulations are quite special, and the law does not allow direct marriage. It doesn't matter if it's simple or not, but you must go through the engagement process before getting married.
In this way, the personal matters before departure are settled.
But Zhou Changfeng knew very well that this trip to Spain would probably take at least half a year. How can we maximize the use of such a long time?
After much thought, he decided to put forward some effective and far-reaching suggestions and ideas to the Ming Dynasty military industry before leaving.
If you have a weak foundation, it is naturally better to start accumulating and experimenting earlier.
During the two days between the seventh and eighth day of the lunar month, he was thinking forward and backward, listing various ideas.
From a God's perspective, many of today's weapons have areas worthy of optimization and clarification. However, people today can be described as "obsessed with the authorities" and can only fumble forward in unknown areas.
There are no rocks to touch in the river, but Zhou Changfeng thinks he should be a guide.
Unfortunately, in many cases even a general, let alone a lieutenant colonel, cannot influence the development trend of the military-industrial system and tactical thinking.
This was part of the reason why he decided to follow Zhu Lingjing, in order to maximize his voice.
Otherwise, if Ming Dynasty wants to install a useless weapon in the future, but he doesn't even have the right to stop it, it will be so frustrating.
On the ninth day of March, that is, the morning before departure.
It was a ten-day holiday for government agencies, so Zhou Changfeng chose to visit Wang Huanan's home directly.
Outside Jubao Gate, there is an ordinary small courtyard. Wang Huanan, a practical person, is not very particular at work, but at home he is more casual.
Wearing a white Taoist robe and slippers, he enthusiastically introduced Zhou Changfeng into the main room and called his wife to prepare tea.
Looking at the couch in the front yard and the newspaper on the small round table, Zhou Zhangfeng blindly guessed that he must have been lying down reading the newspaper just now.
"Why are you here today?" Wang Huan'an pointed at the chair, "Mr. Zhou, you don't look like someone who has nothing to do and comes to visit."
"Yes, I don't go to the Three Treasures Hall for anything." Zhou Changfeng picked up the teacup and took a sip, "Don't call me sir, it's boring. Just call me by your first name or by your cousin."
"Okay, okay," Wang Huan'an said with a smile: "Then let me guess, Ke Xing, you are back here...do you have another good idea?"
Zhou Changfeng, who was next to him, said unambiguously and straight to the point: "Yes, didn't I join the military expedition team? I will go to Spain for more than half a year before I can come back. So I thought about some recent ideas before leaving. I’ll give it all to you, let’s see if we can get results.”
Wang Huan'an nodded and said seriously: "You can say whatever you want, I'm all ears."
"I occasionally do some experiments at the training ground. A few days ago, I discovered that if the explosives are evenly spread and compacted, they will become an explosive tablet."
"Then the explosive piece is detonated standing upright, and the shock wave basically spreads along the plane perpendicular to the plane of the explosive piece (horizontally)."
"Then I thought, if I put a steel plate on one side of the explosive piece to prevent the shock wave from going this way, would that make the shock wave only spread to the other side?"
"The fact is just as I thought, the shock wave basically only spreads in no direction. On this basis, if prefabricated fragments or steel balls are mixed into the explosive tablets, then..."
"The fragments will be constrained to shoot in a single direction!" Before he could finish his words, Wang Huan'an with bright eyes blurted out.
This is actually the Sardin effect, which reflects the explosive characteristics of plate-shaped explosives.
Unlike common spherical explosives, plate explosives do not release energy in all directions after explosion, but only release energy in two directions perpendicular to the normal line.
Therefore, if one side of the plate explosive is restricted and the tissue propagates energy to this side, then most of the shock wave can only spread in the other direction.
"I think this thing has great potential. Think about it, Old Wang. When our army is defending a position, we should deploy this thing in front of the position and detonate it when the enemy approaches..."
Zhou Changfeng said seriously and made gestures at the same time.
"Countless prefabricated fragments rush towards the enemy troops attacking from the front at high speed, but they will not harm our troops behind... How about it? Isn't it excellent? Anyway, I personally think it is very effective."
Wang Huan'an, who was immersed in his reverie, waved his hands directly when he heard the words and said happily: "No need to say more, Ke Xing, you have rich experience in battle formations. If you say that it is effective, it will never be ineffective!"
He breathed a sigh of relief and said slowly: "I will organize people to re-test it when the time comes. If it works, it will definitely be able to get into the eyes of the Ordnance Bureau."
There have been a lot of trivial matters recently, and the old books have not been finished yet. I should be able to add more after a while.
(End of chapter)
