Jiang Cheng shrugged his shoulders and said, "This is very winning, isn't it, by the way, Zifeng, are you here to eat again?" Or is it a game? ”

Zifeng took a newspaper next to him and threw it to Jiang Cheng and said, "Whoever wants to rub your things, I have a task." Pen? Interesting? Pavilion wWw. ｂiquge。 info Look at it, you're raising your eyebrows now. ”

Jiang Cheng took the newspaper and read it, the headline on the front page was "Maritime Alliance-2013" Sino-Russian joint military exercise was held in the sea and air space near Peter the Great Bay in the Sea of Japan, Jiang Cheng looked at Zifeng and asked, "What does this have to do with me?" ”

Zifeng smiled and said, "You read carefully, there are still a lot of them that have not been written." ”

Jiang Cheng read it carefully, and the article said that China and Russia dispatched a large number of new equipment in this military exercise, and the most eye-catching ones were new submarines and new destroyers that used new energy batteries.

Jiang Cheng couldn't help but gasp and asked, "Why is it exposed?" How long has it been? And the military is too bold, right? It's too fast. ”

Zifeng said hehehe, "You don't care what the military thinks, anyway, your new energy batteries and new photovoltaic materials have been unanimously approved by the military, and the current submarine can be fully charged as long as it stretches out the board and lets the sun bask for a few hours, and the battleship is even more like nuclear power, but this is still an experiment on a small ship, and it is really amplified, and the problem may come out." ”

Jiang Cheng snorted and said, "That's inevitable, but such a submarine reminds me of the Akula submarine in Red Alert 3, he is solar-powered, by the way, you said there is something that is not written in the article?" ”

Zi Feng glanced at Kou next to him, smiled evilly, and hooked his hand to signal Jiang Cheng to come closer.

Jiang Cheng got closer a little uncomfortably, and Zifeng leaned into Jiang Cheng's ear and said slowly, "This is a military secret, but it was specially approved by the Military Commission to tell you, probably because the above is too happy." This time, we took advantage of the darkness to secretly send the J-20 using the paint you provided to walk around Japan a few times, but no one found out, and this is definitely not the intention of the United States and Japan, but their radar is indeed unable to detect our combat maneuver. ”

Jiang Cheng only felt that his ears were itchy, and coupled with Zifeng's loli figure, Jiang Cheng felt a little itchy in his heart. Jiang Cheng hurriedly turned his head and coughed and said, "It's good to use, so I won't charge you more." ”

Zifeng wrinkled his nose, strode his foot and said, "Ahem! Comrade Jiang Cheng! Please stand upright! ”

Jiang Cheng was stunned for a moment, smiled and said, Ge You lay on the sofa and said, "Say it." ”

The angry Zifeng stomped his feet and said, "Be serious for me, do you want the commendation from the Military Commission?" ”

When Yu Na heard that it was the Military Commission, she twisted Jiang Cheng, Jiang Cheng patted Yu Na's hand and said with a smile, "It's okay." He looked at Zifeng staring at him again, and then stood upright.

Zifeng said seriously: "According to Order No. 182 of the Chinese Military Commission in 2013, Comrade Jiang Cheng was specially promoted to the rank of major general and served as deputy director of the Seventh Department of the Equipment Development Department of the Ministry of National Defense. ”

Saying that, Zifeng handed Jiang Cheng the letter of appointment and said, "Take it, Major General Jiang." ”

Jiang Cheng said with some hesitation: "False title? ”

Zi Feng stuffed things into Jiang Cheng's arms and said, "Don't worry, it's a false title, and I don't know what you're afraid of." ”

Jiang Cheng took it with a smile and said, "I'm afraid of trouble, what about you?" You should be rewarded too, right? ”

Zifeng stuck out his tongue and said, "I won't tell you, okay, my mission is complete, by the way, the leader asked me to bring you a message, Chang'e will be launched at the end of the year, and the leader has new expectations for you." ”

Jiang Cheng rolled his eyes and watched Zifeng leave.

Kou Kokou glanced at Yu Na, Yu Na nodded, and returned to the room obediently, Jiang Cheng poured a glass of water and drank it while saying, "Don't bully our Nana, you all have a tacit understanding." ”

Kou Ko smiled and said, "The reason why Zifeng gave you a letter of appointment in front of me is not to remind me that you are the one who registered in China, give, this is the information on the torpedo and submarine you asked you to find last time, but I still want to warn you, this thing is really old, and submarines will endanger maritime trade routes, so various countries are keeping an eye on him very closely, don't make it too big." ”

Jiang Cheng took it gratefully and said, "Thank you, how is the matter about the fighter?" ”

"The key to the fighter is the engine, and the drawings of the engine are already eyebrow-raising, but do you have the manufacturing technology of the engine?" ”

Jiang Cheng nodded and said, "There are still some difficulties now, but can the difficulties be solved, since Ying Tianlin is not in the country, then let's stay for a few more days." ”

Kou looked at Ying Tianlin in a little panic, looked away, touched her clothes and said, "Where do you live?" Live.... Do you live in your house? ”

Jiang Cheng pointed to Yu Na's room and said, "You can sleep in Yu Na's room, if you like to sleep alone, I'll let Yu Na sleep with me, and you can sleep by yourself." ”

Before the words fell, a teacup flew over, and Jiang Cheng flashed in a flash.

"Who's going to sleep in your house! Bye!! ”

Looking at the door that was heavily closed, Jiang Cheng only felt inexplicable, and asked incomprehensibly, "What did I do wrong?" ”

- The next day

"There are several reasons why aero engines are so difficult to manufacture, one is that the material requirements of aero engines are very high, such as rotor blades, especially in the combustion zone, which must be subjected to high-speed rotation power and high temperature impact of more than 2,000 degrees, so it must be heat-resistant alloy steel.

And with the same material, there is a processing process. If you don't machine accurately, the blade repetition rate is very poor, i.e. each set of blades is not exactly the same, which will lead to a decrease in engine performance. For example, there are many small holes in the root of the engine blades, and the heat dissipation air from the turbine shaft flows through these small holes to the outside of the blades and takes away the heat from the blades. This cooling method requires a fairly precise machining. Sun Ning said, looked at Jiang Cheng, whose eyes were already bursting with gold stars, shook his head helplessly and said, "No learning, no skills!" ”

Jiang Cheng understood this, and immediately retorted, "Isn't this a professional mismatch, so are we going to make this material?" ”

Sun Ning shook his head and said, "This material is also a material in the late stage of World War II, even if you can't make it from there, you can also pull it from us, but the problem is assembly, the same material, a clever assembler and an apprentice tooling outfit, the thrust-to-weight ratio may be 0.2 higher." This is also the value of skilled technicians, I think it is best that you can poach some aviation manufacturing people from Europe and the United States to go to Yan'an, otherwise it will be very difficult to start from scratch. ”

Jiang Cheng thought for a while and said, "I have a lot of planes over there that can repair planes now, okay?" ”

Sun Ning thought for a while and said, "There are still differences, but these people have a foundation, and they can be apprentices." ”

Jiang Cheng nodded and took it to heart.

Sun Ning continued, "And we still lack one thing, that is, a hydraulic press, and a large hydraulic press, you must know that a lot of die forging is to use this hydraulic press to make, like some modern aircraft die forgings need 30,000 tons or even 80,000 tons of hydraulic press to achieve, although your kind of aircraft is not needed, but it is time to start developing, these should not be in Yan'an." ”

Jiang Cheng snorted and said, "Shanxi Arsenal has a 2,000-ton one, and six 100-ton ones, and I haven't heard of tens of thousands of tons, so there shouldn't be one." ”

Sun Ning nodded and said with a smile, "Don't talk about China, in 1940 there were not many 10,000-ton hydraulic presses in the world, that is, Japan, at this time I didn't have this thing, I remember that Japan imported two 15,000-ton hydraulic presses from Germany in order to build the Yamato and Musashi, and at that time Germany and the United States came to the forefront in this regard, and the Soviet Union also got more than 10,000 tons of hydraulic presses from Germany." Having said that, you have to pay attention to this thing, without this, you don't have to think about any heavy equipment, any fighter jets, or aviation planes. ”

Jiang Cheng thought for a while and said, "I remember that this thing is very big, the first domestic 10,000-ton hydraulic press in the textbook is more than 30 meters high, I just pulled this thing over, and there is no place to put it." ”

Sun Ning knocked Jiang Cheng on the head and said, "Who wants you to be so big, can't you learn from the ancestors, we also did 1200 tons first, in order to test 1200 tons, and then 120 tons, but we now have the foundation, so we can try to see about 1,000 tons, in World War II, the United States in order to explode fighter jets, warships, tanks, has built more than 100 small and medium-sized die forging hydraulic presses, but the largest is only 5,000 tons, we have a thousand tons is enough, and then add more." ”

Jiang Cheng snorted and said, "Okay, then do it, can you collect materials in this regard?" I'll bring it next time. ”

Sun Ning nodded and said, "Although this thing is valuable, if we only engage in small ones, it will be nothing, and now there are a lot of tens of thousands of tons in the world, but isn't your goal to make Yan'an self-produced, so do you want to ask for information or bring things with you?" ”

Jiang Cheng hesitated for a moment and said, "As long as the information is good, I won't bring anything, didn't you say that Germany is very good at this, I'll just dig people." ”

Sun Ning smiled and said, "You are very energetic in digging people, in fact, there were small hydraulic presses in China at that time, I remember that Li Hongzhang proposed to buy hydraulic presses in the thirteenth year of Tongzhi, and within a few years, the Jiangnan Manufacturing Bureau bought a 2000-ton hydraulic press, which was extremely advanced at that time, and later there were three in Hanyang." ”

Saying that, Sun Ning said with some sighs: "In fact, in the twenty-first year of Guangxu, the Jiangnan Manufacturing Bureau even produced a hydraulic press by itself. ”

Jiang Cheng asked with interest: "What about the Republic of China?" ”

Sun Ning shrugged his shoulders and said, "There is one in the Northeast, for the Japanese, you know in Shanxi, there is one in Kunming." And the Jiangnan Manufacturing Bureau and Hanyang's were originally going to be transported to the rear, but they turned out to be missing, and it is also a skill to say that such a big thing can be missing. ”

Jiang Cheng twitched the corner of his mouth in embarrassment, although he mobilized the retreat, the matter of this military factory is not clear, but looking at the current military industrial force in Chongqing, there should be no change.

Jiang Cheng said, "Then let's get on the 3,000-ton horse first, by the way, why weren't you here last night?" ”

Sun Ning smiled and put her hand on Jiang Cheng's shoulder and asked, "What?" Missed me? ”

Jiang Cheng took advantage of the situation to hug and said, "I think you are on the one hand, and on the other hand, I am now a major general, do you know?" ”

Sun Ning hummed and said, "I know, I still think about when you can get it, and I will say it." ”

Jiang Cheng asked, "Then what does it mean this time?" And so many things were exposed. ”

Sun Ning let go of his hand, sat aside and said, "It's very simple, new photovoltaic materials and new batteries have caused heated discussions all over the world, other countries will naturally guess that we will use them in the military, this time one is to deter the United States and Japan, and the other is to hype your battery, the above is expected to be more and more difficult in the next few years, we urgently need to have fist products, high-speed rail one, nuclear energy one, and then your photovoltaic." ”

Jiang Cheng calmed down and said, "That's it, that's good, then I'll go back in a few days, it's been almost half a year, and I can't drag it out." ”

-- Republic of China Time and Space Germany

"This is the blueprint of the new submarine?" Dönitz said as he looked at the long drawing with a light in his eyes.

Jiang Cheng nodded and said, "Our current Type VII submarine has a total length of 67 meters, an underwater displacement of 865 tons, an underwater speed of only eight knots, and only 14 torpedoes. He is 76.7 meters long, has an underwater displacement of 1800 tons, which is more than twice as large, and the most important thing is that he has three outstanding improvements, one is speed, his underwater speed can reach 17 knots, one is sound, more quiet, and the other is attack power, he can shoot six torpedoes every ten minutes or so, while the original old submarine, even one torpedo in ten minutes is not good. ”

Dönitz's eyes were about to fall out, and he asked in disbelief, "This... Is this true? Which genius designer designed this? No! It's not a masterpiece that can be done by one person, it's a different weapon entirely. ”

Jiang Cheng patted Dönitz and said, "Why bother where he came from, now our problem is how to produce him, and a good weapon will naturally be a lot more expensive." ”

Dönitz asked, "How much more expensive?" ”

Jiang Cheng pointed to the Type VII submarine on the Dönitz wall and said, "Three for one." ”

Dönitz gasped and muttered, "That's expensive." ”

Jiang Cheng sighed and said, "This good product is not cheap, is it cheap but not good, I want to say that a hundred marks to build one, do you dare to use it?" However, if modular production is used, the price may be lower. ”

Speaking of this, Dönitz said helplessly, "I am already using the method you said, modular manufacturing is indeed cheap and fast, but it brings another problem." (To be continued.) )