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Of course, although the teardrop-shaped submarine is much safer than traditional submarines, it cannot be said to be absolutely safe. After all, conventional submarines are not nuclear submarines that can always stay underwater. They have to come up every once in a while to start the diesel engine to charge the battery. If it happens
If you encounter an anti-submarine ship during this period, as long as you are not careless, you can usually submerge in time, but if it is a fast anti-submarine aircraft, you may still be caught and killed.
In addition, even against merchant ships that are not escorted by warships or aircraft, teardrop-shaped submarines are much easier to use than old submarines, because old submarines cannot catch up with merchant ships when sailing underwater. The reason why the so-called "wolf pack" tactic requires a
This is exactly why a submarine sails on the water to keep an eye on the target, and this is obviously very dangerous, because merchant ships can send telegrams to warships or aircraft near their country for help. Although the "wolf pack" tactic
Although it is a genius idea, it is not easy to coordinate. Each "hunt" takes a long time and is also restricted by many objective factors. How can you directly catch up with the enemy ship and get close (without escort ships)
Or if there is a threat from an aircraft, the submarine will definitely choose to attack close by. Firstly, the hit rate is high and the torpedoes are saved. Secondly, the ship sinks too quickly and there is no time to call for help.) Is it as convenient, efficient and safe as a teardrop-shaped submarine that launches a torpedo that kills in one hit?
With Dönitz's genius in submarine warfare, he immediately realized keenly that once the teardrop-shaped submarine was put into service and used to break up a war, one of them would be equal to or even more than a dozen old submarines, and it would be useless to the enemy.
The threat of combat ships is far beyond comparison with that of old submarines. However, under the premise that Germany's war preparations are almost completed, this submarine has caused him considerable distress.
Since the combat methods of teardrop-shaped submarines are very different from those of older submarines, the "wolf pack" tactics he previously designed for older submarines cannot be applied at all, and not only in terms of tactics, but also in the operation of the submarine itself.
Big difference, if the veterans on the old submarines are transferred to "
It is impossible to be proficient in operating a Type 21 submarine in less than half a year, and it can even take a year for guys who are not so smart. This is because not only is a lot of combat experience useless, but even the knowledge they learned in submarine school and
A large part of the skills have to be forgotten and relearned [
However, Dönitz, who is a close confidant of Mustache, is very clear that due to the re-emergence of foreign debt pressure, Germany will have to launch a long-planned war in the near future to prevent the domestic economy from being destroyed by heavy foreign debt. But it is only now starting to train.
The crew on the teardrop-shaped submarine was obviously too late. As the most important weapon in the navy, submarine warfare was indispensable for Germany. Moreover, so many "U" boats built before could not be simply abandoned.
.This is a huge waste for Germany, which is short of resources.
For this reason, Dönitz decided to convert the production capacity of old submarines to the production of teardrop-shaped submarines as quickly as possible. The submarine school will also stop teaching content applicable to old submarines and instead teach the knowledge and related knowledge of teardrop-shaped submarines.
techniques and tactics. At the same time, the original old-style submarines must also be fully operational. The "wolf pack" tactics he came up with not long ago provided the empire with
Gain the greatest advantage. The "U" boats that are about to be completed and the students who are about to graduate will still follow the previous plan. They and their seniors will gain enough time for the juniors who will operate the "21" submarine.
After the juniors and the new submarines they operate are enough to take over, these old people will go back to the submarine school to make up for the transformation, if they are still alive at that time
In comparison, the Chinese Navy is much more convenient, because they have never had old submarines, so it is easier to directly accept new operating methods and submarine tactics. In addition, the Chinese Navy's "flying submarine speed", aircraft can not only deal with the enemy's
Ships may also encounter the enemy's superior aircraft fleet, and may not be able to get a bargain, and speedboats will risk their lives even more, fighting with
Compared with submarines, they are undoubtedly the most useful, because they always have the upper hand, and submarines are hard to guard against and have a greater deterrent effect on enemy countries. Therefore, as soon as the teardrop-shaped submarine was finalized, Qingdao's submarine factory was required to build the submarine as quickly as possible.
Carry out production so that the Chinese navy can get rid of the current humiliation of having to wait for the enemy to attack our land before it can fight back as soon as possible.
In 1940, because there was not much time after finalization, and there were only two assembly lines, only two "Ming" class submarines were built in the end. However, the modular construction method greatly increased the construction speed (Note 1)
, while the second submarine construction base has not yet been completed, 19
The construction plan in 1941 was as high as 12 ships, and in 1942 it reached 18 ships, and in 1943 it was 24 ships. Considering China's current national strength, this is really incredible. You must know that the teardrop-shaped submarine is larger than most
Older submarines are larger in size and more complex in structure.
In addition to production, the Chinese Navy has also constantly put forward higher requirements for the performance of submarines. It is not satisfied just because the "Ming" class submarine is temporarily the best in the world. And because of Hu Weidong's guiding opinions, the scientific and technological personnel of related projects have always been at the forefront.
On the right path, improvements focus on four aspects: diving depth, speed, endurance and noise. The performance of these four aspects is determined by the pressure-resistant shell,
The appearance design and the level of the engine are determined, but there are also some tricks, such as silencer tiles. Research in this area was carried out very early, and some results have been achieved. However, in order to keep Germany secret, the first generation of silencer tiles did not
It was used on the "Ming" class submarines, but the performance of Chinese submarines has always been at the forefront of the world, and the silencer tiles definitely contributed. Of course, these are things for another day.
In addition to naval aviation and submarines, the "fast" in "flying submarine fast" has not been ignored. Although with submarines, torpedo boats no longer need to take great risks to attack the enemy's large and medium-sized warships, but China's coastline is so long, even if it is only
In order to prevent smuggling and stowaways, at least hundreds of patrol boats are needed. And judging from the progress of guidance research, China will have the world's earliest guided boats in a few years.
Note 1: However, the early modular construction method also had a big shortcoming, that is, it was very afraid of interference in the production process. Therefore, the effect of application in Germany, which had begun to suffer from crazy strategic bombing by the Allies in history, was not good, but for the current situation
For the peaceful and stable Qingdao Submarine Factory, there is no need to worry too much about this aspect. (To be continued...)