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Chapter 1931: The Great Leap Forward

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    In World War II, the main American tank was the m4 Sherman tank.  Although it has many problems, for example, the car body is very tall, which makes it easy to be discovered and attacked by the enemy.  For example, it uses a gasoline engine, and it is often called a Sherman lighter.  However, it is a product of industrialized production in the United States, with a relatively high output and low production costs.  Therefore, in the major automobile factories in the United States, almost all of the major productions are now Sherman tanks.

    If Qin Baoshan wants to produce Sherman tanks, then the technicians in front of him, relying on the knowledge in their minds, can completely follow suit.  But that is a medium-sized tank, with a total combat weight of more than 30 tons, and requires an engine with several hundred horsepower.  Qin Baoshan may be able to do it otherwise, but that engine is about to die.  So it is impossible for Qin Baoshan to engage in that kind of big guy.

    Just in the Xiagou Iron Works, Qin Baoshan summoned Lu Da, Xiong Zheng, and some other technicians to sit with Ma Sanbao and others, and then began to discuss the plan to build tanks.

    "I have made a guarantee with the brigade commander that we will produce the first tank of our Eighth Route Army within three months." When Qin Baoshan said these words, the scene immediately exploded.

    "Director Qin, you are no longer a child. You should know that it takes a long time to develop even a new rifle. Now you actually say that it will take three months to produce a new rifle.  Tank! Do you know how many man-hours it takes to produce a tank at Krupp in Germany? This is just production, not research and development!"

    Lu Da first raised a question. As a person who has drunk foreign ink, Lu Da has worked in Krupp, and he has also seen the tanks produced there.  Although it is said that during his period, the Germans also produced light tanks, but the production time was very long, and more importantly, they still used the existing drawings for production. Now Qin Baoshan does not have any tanks at all.  The drawings, which are to be made from scratch.  Designing a tank in this way will take a year or two, or even longer.  It will take another one or two years for the prototype vehicle to be trial-produced, and it will take four or five years to really come up with a tank.  Of course, it may take less time to wait until the first model comes out and then improve it.  Now they don't have any technical reserves after all.

    Hearing Lu Da say this, Qin Baoshan nodded: "Yes, of course I know how long it takes to produce a tank. But I also know that for us, there is not much time for us to waste. Since we  If you decide to do it, then you have to do it well, then you have to do it quickly. If you really have to wait a few years, the little devils will be driven away, so what's the use of our tanks?"

    Qin Baoshan's words made everyone calm down. Yes, they considered the complexity of tank production from a scientific point of view.  But at the same time, they must also consider that it is a time of war, there is no reason to speak, and it must be done as soon as possible.

    "Here at the Xiagou Iron Works, if we build a tank shell, there will be no problem. Not to mention riveting, even if it is welding, we can weld the steel plates together." Xiong Zheng said from the side: "But the tank is  It is composed of many parts, not just one shell. Especially its power system and walking system, we are all blank.¡±

    Early light tanks were riveted together with rivets, which allowed for very fast production.  But it's also very useless on the battlefield.  When a shell hits, it is likely that the steel plate will be deformed, the rivets will be blown away, and even the infantry who follow will be injured.

    So in the later period, the armor of the tank was welded together. It was very difficult to ensure that the quality of the weld was the same as that of the steel plate. Now the Eighth Route Army has been able to do it. They use these thin steel plates to weld them into 107.  The barrel of the millimeter rocket launcher, or the barrel of the bazooka, the quality of the welding has reached the standard.  The problem is that there is only such a shell, which is not enough at all, and many things are still missing.  For example, what they need most is the engine, transmission system, and walking mechanism.

    Fortunately, it is not a car. If it is a car, it needs tires. If the Eighth Route Army wants to get some rubber, it will be very difficult.  Although tanks don't need tires, they also need tracks.  The track of the tank is made of special manganese steel material, which is particularly wear-resistant.  Only the track is not enough, there must be transmission wheels and road wheels.  Even if these Eighth Route Army are done, there are still engines.

    Xiong Zheng looked at Qin Baoshan and said: "Especially we are currently trial-producing a small gasoline engine. This gasoline engine is not powerful enough. Even if two engines are used together, it may not be able to drive the tank."

    Ma Sanbao and others did not speak because they were not familiar with the actual situation here.  they have their own??Ingenuity, with their own technical ability, that needs to play a role in future production. As for now, they are just listening to the complaints of the technicians here.

    They are also right.  A tank is made up of tens of thousands of parts.  The military industry of the Eighth Route Army has developed very well, but there is no guarantee that all parts will be produced.  As long as some of the parts cannot be produced, they cannot assemble the tank themselves.

    The first big problem is still the engine.

    Hearing Xiong Zheng say these words, Qin Baoshan nodded: "I plan to build a single-cylinder diesel engine. This engine should have at least 20 horsepower."

    As soon as Qin Baoshan said this, the people present were blown up again.

    "Director Qin, we currently only have gasoline engine technology, where can we manufacture diesel engines?"

    "It's still a single-cylinder engine with 20 horsepower. Doesn't it seem difficult?"

    "That's right, even with this engine, it's still not easy to drive the tank. If there is no power of hundreds of horsepower, can the tank be driven?"

    The people present were chattering and talking non-stop.  Faced with their questions, Qin Baoshan knew in his heart that they were indeed worried about them.  If we use the words of later generations, this is clearly exaggeration, the Great Leap Forward.

    Of course, they just don't know what Qin Baoshan is going to make.  Qin Baoshan believed that he could persuade them.

    "We plan to manufacture a single-cylinder diesel engine. Although the power is not very strong, its torque must be very strong. It is no problem to drive a ten-ton tank, but the speed will be slower." (Remember the website URL: www  .hlnovel.com
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