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Therefore, at the Sino-Soviet joint discussion meeting, Xilin's plan was very controversial, and the doubts mainly came from Soviet experts.
Peng Min: "But the good news is that we have decided to do a test project in Lianhua Lake, where we will choose a place with similar geological conditions to the bridge site to test each process of the "pipe string drilling method" item by item."
Xilin: "That's great, I can test all the key technologies of the string drilling method there, from prefabricating the string, sinking, drilling, cleaning ballast, to underwater concrete sealing, drilling core test From the small-diameter pipe string to the large-diameter pipe string, do tests one by one.”
Peng Min: "Both the Ministry of Railways and the Ministry of Water Resources believe that this new method is worth a try. Oh, and Minister Tang of the Ministry of Heavy Industry also supports your idea. Minister Tang is also an academician of the Soviet Union. He said that there is a Soviet It is not a big problem if the academician objected, if there is still a dispute at the appraisal meeting, he will support you as an academician of the Soviet Union."
Xilin: ...
In fact, Peng Min did not say a word: Xilin was transferred over last year. In fact, the very important reason was that Tang Hua made such a suggestion to Vice Premier Chen, and finally the suggestion was forwarded to the Ministry of Railways, and then decided to transfer Xilin to Wuhan for reinforcements. of.
……
Compared with the big fanfare of WISCO and Wuhan Yangtze River Bridge, there is much less movement and movement in the Nianyutaokou section of Wuhan Yingwuzhou.
Wuchang Shipyard is about to be established.
The predecessor of Wuchang Shipyard was Hubei Machine Works and Ship Repairing Yard of Hubei Navigation Industry Bureau.The latter was established in 1937, but it was actually just an inland ship repairing and repairing factory. Compared with the Shanghai Jiangnan factory in the same period, its scale and technology were far behind.
"Except for the workers who came to do infrastructure construction, there are 96 employees who really belong to our factory." Jiang Dajing, the deputy factory director and chief engineer, looked at the Wuchang Shipyard's first-generation family property in front of him, and said with emotion, "The Shipbuilding Industry Bureau gave us another Such a big development goal. We are really a spark now."
"A single spark can start a prairie fire," said factory director Sa Benqi, following Jiang Dajing's words, "that's the reason. Of course there are difficulties, but don't we all overcome them all the way through."
There are indeed only 96 people in Wuchang Shipyard now.However, there are still more than 200 technicians, workers, shipbuilding interns and apprentices transferred from other places on the way, and there will be more people than now.
But according to the long-term development goal of Wuchang Shipyard, there will probably be at least a few thousand workers in ten years...
That's all there is to people.In terms of hardware, there are now a total of two slipways, one for inland waterway ships, and one for military use. The foundation has just been repaired.
The first mission of this military slipway was not to build ships or submarines, but to dismantle a small M-class submarine aided by the Soviet Union.
Although the scale is small and the experience is poor, after the establishment of Wuchuan, there was a construction order immediately: to build inland ships.The construction of WISCO and the transportation of goods after completion require inland river transport ships. This is good news. The factory has work to do, and workers can accumulate shipbuilding skills and experience (although the difficulty of building civil inland water ships and shipbuilding is very different. ).
Jiang Dajing: "Director Sa, the contrast between Wu Chuan's ideal and reality is so great that I don't even know how to make the first step."
Sabenqi: "Building inland ships, at least in the next one or two years, we will only do this. Once we are proficient in inland ship building, steel mills, diesel engine factories, and other heavy machinery can almost be produced. But before that, we will use the Soviet Union Assembling some medium-sized submarines with incoming materials, let’s treat it as a practice. There is another big event, our military ship will be officially established in September, and Director Tang Changcheng will come to Wuhan to attend the inaugural meeting.”
Jiang Dajing: "What?!"
"Why are you so surprised. Jiang Gong, if the chairman comes to Wuhan to inspect our factory in the future, will you have a heart attack on the spot?"
Chapter 13, continue to improve T54
Shanghai Institute of Computer Science.
The "early access version" of the T54 computer has already been used for the census, but Tang Hua plans to make the last round of improved design for the version that will be officially released in February next year.
The so-called T54 census machine now continues the transistor technology and the architecture of the modular computing unit, and the size of the cabinet is consistent with that of the T53.The lower left corner of the cabinet is a 10M hard disk, the lower right corner is a tape recorder/playback system, there are 12 jacks for computing units in the middle, and the magnetic core storage (used as memory) and AC-DC conversion, high-frequency oscillation generator are located above. and other devices.
10M硬盘是个直径50厘米、高35厘米的扁圆柱体，也就是人们口中的“小半个润滑油桶”。去年投产的5M硬盘是个直径60厘米、高40厘米的汽油桶。10M硬盘虽然还是一个庞然大物，但仔细算算就能发现它的体积其实缩小了一半，这个技术进步让硬盘可以直接塞进计算机的机柜里了。
In addition to the cabinet, the T54 computer is equipped with a 14-inch monitor as standard.In addition to the cathode ray tube, there must be a lot of heavy display circuits in the monitor, so the monitor is an iron box that is much larger than the 14-inch picture tube.
These two pieces constitute the main body of the computer, and a keyboard is added for use.Optional peripherals also include punched card readers, punched paper tape readers (which are a bit old), dot matrix printers, and card punchers.
The internal structure of T54 has been fully implemented on the "early access version", and there is no need to modify/improve in the remaining half a year.Tang Hua improved other aspects of the computer.
"The outer shell of the cabinet has been painted on iron for three years. Now I have a plan to improve this aspect of the new generation of cabinets. Do you think it is better to paint or electroplating?"
From 1950 to the present, the computer cabinets have been packaged by Songjiang Machinery Factory.Although it has achieved the achievement of monopolizing four generations of computer cabinets, Songjiang Factory has always been an unobtrusive little guy in the entire computer industry system, because the cabinets really don't have much technical content.
The last time the director of the Songjiang Factory came to Shanghai Computer Institute was in 1950, and Tang Hua didn't see him for 3 years after that.
Seeing Tang Hua asking himself a question, Lao Li, the factory manager of the Songjiang factory, replied: "That's right. The electroplated cabinet looks more shiny, clean in appearance, and has no peculiar smell. But the color of the electroplated cabinet is relatively monotonous. The baking process looks more traditional. The advantage is that the color matching is relatively rich, and there will be some peculiar smell, so it will be fine after a few months. There is no problem with the two processes in terms of anti-rust, as long as the surface layer is not scraped off, it will not rust."
"What about the cost of these two processes?"
Lao Li: "Electroplating is a little more expensive. The cost of electroplating is about 15 yuan, and the cost of baking paint is 10 to 12 yuan."
Tang Hua pondered for a while, and it is better to bake the paint. "Let's decide on the paint first. The appearance of the cabinet and the new computer also need to be adjusted. This is also the usual practice in the past. It's just that we have a temporary task for the T54 computer and need it very urgently, so we haven't given you time to modify it."
Lao Li: "From April to July, the design room of our factory made several adjustment plans for the new appearance, and I brought them all."
Tang Hua opened several design drawings, and then painted the standard mechanical drawings. It can be seen that the colors were filled in carefully, and the cabinet was drawn beautifully.Tang Hua looked at it and specified one of the plans, "That's it. However, you can add another small part on the top of the cabinet, a small decorative part."
Tang Hua drew two rows of small circles at the junction of the two iron plates on the top of the cabinet, and then wrote three words "Marquee".
"There are two rows of small lights here, and a simple control circuit is built inside. When the computer is turned on, the two rows of small lights are on, but in a low-brightness state. When the computer is performing calculations, each of the two rows of small lights has One light is on high light, and under the control of the control circuit, the high light is alternately switched from left to right, it looks like a light spot is moving on it. Can the design room of your factory do this function? "
Lao Li: "The little guys in the design office have read a lot of books on electronic circuits, and this function can definitely be done."
……
Playing with the cabinet and designing a marquee - the selling point of T54 should be enough.
It's August 1953 and Remington Rand is still selling their UNIVAC computers. More than 8 vacuum tubes are actually a version based on ENIAC with reduced configuration, increased reliability, and enhanced commercial application capabilities.
起初开卖时的价格是17万美元一台，1952年涨价到1000万美元，1953年加了外设的版本卖价125万美元。
The high profits of UNIVAC-1 allowed Remington Rand to develop UNIVAC-2700 and Remington Rand 1101 with 409 vacuum tubes.
Another commercial (scientific research) computer is the famous IBM701, which uses vacuum tube logic circuit electrostatic memory and manufactured 19 units. Because IBM701 is too expensive, the user invented the "computer hour rental" system, and the rent for 40 hours of machine hours is 12000 US dollars.
Now ENIAC's technology and architecture are public, and everyone knows it.U.S. government agencies will directly purchase computers. Other scientific research institutions, universities, and technology companies, when they need a computer, mostly choose to build one themselves instead of buying it outside.
The Ferranti Electrical Engineering Company built a homemade computer, the Ferranti Mark 1.The Institute for Advanced Study in Princeton built a 1500-tube IAS computer.
Scientists at Los Alamos National Laboratory went to Princeton to have a look at the IAS, and came back to build a computer called Crazy One.
The Max Planck Institute for Physics built the G1 computer.This Institute of Physics, which stands at the top of the world's physics, now has less than one percent of the computing power of Deng Jiaxian's TC52 supercomputer.
Tang Hua is most concerned about the sales of UNIVAC-1.
From the business reports compiled by the embassy in the United States, from 1951 to 1953, Remington Rand sold several UNIVAC-1s every year.
Looking at it, Tang Hua discovered a small abnormal phenomenon.
UNIVAC-1953 sales in 1 were 2 for the US Atomic Energy Commission, 1 for California, 2 for the US Navy, and 1 for the Louisville Electrical Department.
One less USAF user.
The U.S. Air Force purchased two UNIVAC-1951s in 2, one at the Pentagon and one in Arlington, Virginia.There are still several computer needs for the air force base, why not buy it?
In March 1953, Tang Hua also noticed that the U.S. Air Force had suddenly signed a $3 million contract with a radio equipment company registered by Arnold Jr.
When the two things were connected, Tang Hua put a big question mark at Remington Rand in the report and wrote:
[The U.S. Air Force May Be Building Its Own Computers]