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The Fletcher class removed three single-mounted turrets in one go, and only kept one gun at the front and rear.
Then the modification method is exactly the same as that of the Keeling class. The Hongqi-2/4 air defense missile system is at the rear of the ship, and the two quadruple anti-ship missiles are located in the middle torpedo tube.
"Both Fletcher and Keeling are destroyers over 07 tons, and their modification potential is much greater than Type 07." Tang Hua said, "Now the Soviet Union has modified a Type [-] with anti-aircraft missiles, but After the anti-aircraft missiles are installed, I think the space between the bridge and the hull is already very tight, and if you want to install anti-ship missiles, you have to find a cabin in the hull to put the console, and now it feels very difficult to solve."
为了装红旗-1/2防空导弹，苏联人拆掉了一座单管130毫米炮塔以及后三联装533毫米鱼雷管，舰桥多了2部雷达。但关键是07型驱逐舰吨位才2000多点，真是不太够用。
"The Type 07 that was tested in Bohai Bay is one of the four Type 4s that will be handed over to us. Since it is not easy to add anti-ship missiles, it is quite cost-effective to add anti-ship missiles." Xiao Jinguang said, "Province money."
Luo Shunchu: "Then the four Type 4 ships will become strange things equipped with three 07mm guns and a set of anti-aircraft missile systems. Oh, and there is also a triple torpedo launch tube."
Cheng Wang, who had been silent just now, said, "For Type 07, that...Mr. Makino roughly proposed a modification plan, which can be installed with anti-ship missiles. He said that the missile control room can be installed behind the chimney. Build a small house."
Tang Hua: "Heh, Mr. Muye has done so many things in just a few days since he arrived at the post?"
Cheng Wang: "He said that he had studied the Type 07 destroyer of the Soviet Union earlier. By the way, Commander Xiao, I have to say one important thing first. The Chongqing ship, the one in Dalian, is in the Sino-Soviet two With the joint efforts of people and horses, it will be repaired soon."
Chapter 9, Thrifty Doing the Navy
Dalian Chuanqu Factory (Dalian Shipyard).
"Repair? No, the ship has not been completely repaired, only the underwater part and power have been repaired. Not at all, it's just able to go to sea."
Pustin Chaifu - the first Soviet engineer to survey the "Chongqing" after it was salvaged in 1951, and is now the chief engineer for the repair and transformation of the "Chongqing" ship. In June 1953, Cheng Wang, director of the shipbuilding industry, went to Dalian. He originally wanted to go to Dalian Chuanqu Factory to coordinate personnel, but he listened to Pustin Chaifu nagging on the spot.
"This cruiser boss has only been up for two years and three months, and it has been one year and two months since the restoration started, and it is only half of the scheduled construction period. Why are you so anxious to get it out of the dock?"
Cheng Wang: "Cough...the two shipyards in Shanghai will rebuild 6 US-made destroyers in a short period of time. The task is very tight, and some technicians need to be transferred from several slipways in Dalian to assist. Therefore, I think it should be completed as soon as possible." Chongqing 'The repair and modification of the ship, so that the task of Dalian is a little lighter, and the personnel can be transferred with confidence."
Pustin Chaf: "Comrade Director, as a light cruiser commissioned in 1937, the Linxian class is neither powerful nor advanced in today's world. It can only be completely refurbished and modernized from top to bottom. Only by replacing it with as many weapons and shipboard equipment as possible can it perform better in the ocean confrontation in the second half of the 20th century. Otherwise, it can only be reduced to an ornamental vessel only used for honor guards at sea. ship."
Cheng Wang could hear the dissatisfaction in Pustin Chaifu's words. "Comrade Pustinchaeff, we are fully aware of this and agree with you on this point. But now the Navy and industry have reached a preliminary agreement, and that is it."
At the beginning of 1952, when the navy went to the Soviet Union to negotiate the introduction of naval equipment, it finalized the renovation plan for the Chongqing ship.
The budget for the transformation plan proposed by Pustin Chaf is 5000 million rubles, which is foreign exchange expenditure.Domestic finance needs to raise another 1800 billion (1800 million SGD) for various expenses.
Later, Tang Hua, Xiao Jinguang and Luo Shunchu cut the budget of the renovation plan to 3400 million rubles.
In June 1953, Cheng Wang came to Dalian again, expressing that everything should be kept simple, and the planned post-renovation plan was also messed up, and the Chongqing ship was immediately dragged out of the dock.The budget for the renovation program was again reduced to 6 million rubles.
……
"Due to the adjustment of the shipbuilding industry and the navy's plan, the 'Chongqing' has now decided to restore it in a relatively original state and deliver it to the navy." Cheng Wang said, "Therefore, it is about to be re-launched. It will be launched at the outfitting wharf for another 4 hours. In six months, it can be delivered to the Navy."
"Our Bureau of Shipbuilding Industry did not make much changes to this ship, so we did not spend too much money."
"The first is his anti-ship weapons. When the 'Chongqing' was delivered to the Navy half a year later, it was still a light cruiser mainly engaged in artillery. The main combat weapons: three double-mounted 3 mm/152 times the diameter of the naval gun, The maximum rate of fire is 50~6 rounds per minute, and the maximum range is 8 kilometers. This gun... how should I put it, I know that the navy must be used to using anti-ship missiles to fight against the sea, but the "Chongqing" is being put into use again Finally, it should be a special-purpose bombardment ship."
Xiao Jinguang: "Yes, it is actually a coastal defense gunboat with good seaworthiness."
"When the 'Chongqing' was inspected in 1951, the power and propulsion system should be said to be relatively complete. All four boilers on the ship remained intact, and no irreversible damage occurred. The propulsion system, two steam turbines and two propulsion One shaft is broken, and the damaged turbine gear train must be repaired. The rest is nothing. Not even two propellers need to be replaced for the time being."
"The naval officers and soldiers did their best to preserve the warship before opening the valve to the sea. This job was done very well, so after we salvaged it, we found that the parts were not soaked and rusted."
"Except for the 6 main guns, all the auxiliary guns and anti-aircraft cannons of the 'Chongqing' were removed, and all the radars were removed, and they went to Shanghai to receive the second outfitting." Offshore serves as the leader of the destroyer formation, but now the Chongqing is leading the guided missile destroyer, so its second modernization may require a relatively large operation."
Xiao Jinguang: "It's fine for your Bureau of Shipping Industry and Minister Tang to come up with a plan. The Navy has nothing worth mentioning."
……
Tang Hua shook his hand to express his disapproval of Xiao Jinguang's overly polite words: "Commander Xiao, if the navy has new ideas or new innovations in terms of strategy and tactics, it must communicate with us as soon as possible. Our equipment department researches and develops The next generation of equipment is not conceived behind closed doors, but it is all about contacting the frontline troops and the actual situation."
Xiao Jinguang: "Okay, okay. We have always maintained a very close relationship. Minister Tang's words are a bit unnecessary, ha."
Luo Shunchu: "Commander, should we talk about the submarine?"
Xiao Jinguang lowered his voice: "Fuck, how can we talk about the submarine here?"
Tang Hua, Cheng Wang, Duan Zhijun: ...?
"It's like this. I feel ashamed when I mention this matter." Luo Shunchu said, "After China and the Soviet Union signed the agreement in 52, didn't they choose to send submarine soldiers to the Soviet Union for further studies. We selected 145 people to go to the Soviet Union , Arrived in October 1952. Three months later, 10 of them failed the physical examination and eliminated them. Now, there are only more than 47 people left, and the crew establishment is incomplete. Sixty or seventy people were quickly selected from China. Miao Zi went to the Soviet Union. However, because of the delay in the training of the submarine crew, the progress of receiving the initial four small submarines will also be delayed."
Hi.It turned out to be this.
"Commander Xiao, Deputy Commander Luo, sometimes this cannot be completely avoided," Tang Hua said, "We have no experience at the beginning, no matter how careful we are, we will poke trouble somewhere. But in the end this hurdle It can always pass. I think it’s time for us to follow the example of the Soviet Union about the introduction of medium-sized ocean-going submarines. First assemble the materials, and then imitate them.”
Xiao Jinguang: "Last year we signed a contract with a loan of 9 million rubles, but this year it is gone. Even if the God of Wealth gave me a loan amount, I would not be able to sign it. These foreign currencies are so precious, and it would be great to use them for development and construction. …The chairman said, don’t spend any more money, the upper limit of the supplementary item of the agreement with the Soviet Union at the end of the year is 1 million rubles, and it cannot exceed this amount.”
Tang Hua: "Enough."
Xiao Jinguang: "1 million rubles is enough to build a domestic submarine?"
唐华：“不。1亿卢布够搞定一个最简版本的潜艇工业系统。但是需要给船舶工业5年的时间。如果想加速到3年就搭建起工业体系，可能得4到5亿卢布。
……
Now the USSR has only conventional submarines.Fleet submarines that can operate in the COSCO Sea are divided into three categories: large, medium, and small.
Medium fleet submarines offer the best value for money.In 1953, the Soviet Union had already served Type 613 (W-class), which was probably born after the Soviet Union borrowed the German XXI submarine at the end of World War II.
After the W-level is the R-level. This thing does not exist yet, but Tang Hua estimates that it has already been designed or even started.
The R grade is an improved version of the W grade.
The first step is definitely to start with imitation, but how to imitate the most economical - this is indeed a very difficult problem.
Chapter 10, the first national census
The Shanghai Computer Office is very empty, and most of the staff have gone out.
When Tang Hua entered the building, he saw Lebedev walking around the corridor bored alone.
"Don, is it sure that the next generation of supercomputers can use integrated circuits?" Lebedev asked.
"Very sure. However, maybe it should be called a mainframe instead of a supercomputer." Tang Hua said, "Because the demand for computing has not caught up with the increase in computing speed of the computer...so I did not maximize the computing power in hardware design. .”
The general-purpose computer X54 that uses integrated circuits, Lebedev will start to make is called X54L, and there is also X54M, which are mainframes and medium-sized computers.And XC54 - the supercomputing level, there is no strong development demand now.
Lebedev: "It's the same as I thought. TC53 has made the ciphertext cracking of the cipher machine a routine. If it's just military cipher cracking, the supercomputing performance of integrated circuits is too serious."
Tang Hua: "In fact, there are some industries that have never-ending demand for computer computing power, but they have not yet realized this."
The use of super-large calculations probably starts with weather forecasting.From the 80s to the 90s, the China Galaxy I, II, and III supercomputers were all contracted by the National Meteorological Center.
The current Meteorological Bureau is still called the Meteorological Bureau of the Central Military Commission, but it is about to turn from military to civilian.After a period of time, it will become a bureau-level unit directly under the State Council.
Now there is actually a weather forecast.According to the data sent back by telephone or telegram from meteorological observation stations in various places, experts from the Weather Forecasting Center of the Meteorological Bureau make simple approximate calculations on the cloud flow, which obviously cannot make accurate weather forecasts.