In this case, then the engines produced in the Central Plains can be sold not only to the Soviets, but also to the Germans. And Hu Weidong can transfer to Germany or other powers Jishu is far more than this, how to use these in exchange for China as much Jishu equipment and even talents as possible, it is worth Hu Weidong's deep thought

Compared with his disciple Sukhoi, Tupolev, who has already achieved fame, at least in terms of numbers, has a heavier task, Hu Weidong asked him to help Sukhoi, who is not mature enough to pick up the gaps, but also gave him the important task of ship design, although there are no large and medium-sized warships with a tonnage of more than 1,000, but torpedo boats, patrol gunboats, submarine hunting, minesweepers, minelayers, landing craft, these six major topics Tupolev must participate, and he is the main person in charge of five of them, which is really not easy. But as long as he thinks of Hu Weidong's hydrofoil plan, even if he is tired enough, he will immediately be full of enthusiasm again.

A hydrofoil is a type of high-speed boat. There are brackets at the bottom of the hull on which hydrofoils are attached. As the speed of the boat gradually increases, the buoyancy provided by the hydrofoil lifts the hull off the surface of the water (known as hydrofoil or hydrofoil). ), so as to greatly reduce the resistance of the water and increase the speed of sailing, because the tonnage of hydrofoil is difficult to build, so it is generally called hydrofoil. Compared with the conventional design of the speedboat, the hydrofoil is not only faster, but also far more seaworthy than the ordinary speedboat, but not resistant to wind and waves is the biggest defect of small ships, so the hydrofoil with extremely fast speed but extremely strong wave resistance is obviously much better than the conventional speedboats in service in various countries, compared with the hydrofoil torpedo boats, the torpedo boats in service in Shijie countries are almost like garbage. Although his main business is aircraft design, Tupolev, who is also a master in the design of small ships, is full of excitement and longing for himself to be able to preside over this epoch-making and important project

In fact, hydrofoils have been invented more than 30 years ago, but because of the immature relationship of jishu, they have not been put into practical use. Hu Weidong directly plagiarized the basic design of the Huchuan-class torpedo boat in history, and with Tupolev's vision, he realized at a glance that this plan was much better than the Shiyan products currently being engaged in by various countries, especially in terms of reliability. Although China is not yet able to produce engines that meet the requirements, marine diesel engines are widely used in civilian ships, and the introduction of Jishu is much less difficult than that used in airplanes and tanks.

Therefore, although Hu Weidong has only begun to try to introduce human resources and technology related to ships until now, there is no need to rush at all. At least seven or eight countries have good marine diesel engine products. You can't just refuse to sell it, right?

Speaking of torpedoes, we have to mention the newly established torpedo research institute in the Central Plains Border Region, where not long ago the oxygen torpedo showed tremendous power in actual combat, and the fact that it could barely see the wake when sailing was even more effective when it attacked enemy ships in a sneak attack, Hu Weidong therefore gave up his original plan to develop a rocket torpedo (Note 1). It was decided to imitate and improve the oxygen torpedo of the devil, and two of them were specially left for research, and even Hu Weidong himself took the time to personally participate in some of the research, and he soon discovered that the three defects of the oxygen torpedo were difficult problems for historical Japan to solve. However, the Central Plains Border Region now has precisely this condition

The preliminary conclusion of the study is that the oxygen torpedo has three serious defects: first, the oxygen is easy to cause an explosion when the oxygen is initially put into the combustion chamber after the torpedo is fired for 1,000 meters, which leads to the early detonation of the torpedo in the middle of the process; Second, the lubricating oil cannot be applied in advance, and it must be manually lubricated before launch, otherwise it may spontaneously ignite and detonate the torpedo, but the manual lubrication before the war is not only very inconvenient, but also easy to delay the fighter, and what is even more annoying. Due to the tight time before launch, the torpedo launcher often cannot be fully lubricated because of his anxious mentality, resulting in the torpedo suddenly jumping up and changing the fixed depth after being launched, thus deviating from the predetermined course. The third is that the fuse is too sensitive, and even the huge waves set off by the warship when it is evasive can cause it to detonate in advance. It could even be argued that the original Oxygen Torpedo was only useful for sneak attacks, and once the enemy ship was in motion and knew that the enemy had launched the torpedo and began to evade it, it was basically useless. Because even if there is no explosion on the road and the direction is not deviated, it is estimated that nine times out of ten it will be solved by the wall of waves set up by the warship when it evaded. It is no wonder that in history, the devil lightning strike fleet frantically fired nearly 200 oxygen torpedoes at the American fleet, but only three worked

The first point is very simple, in fact, small Japan has not yet figured out the proportion range of pure oxygen/air and atomized kerosene that will explode after ignition, which would have required many times of repeated shiyan to get the answer, in history Japan did not completely solve it until the defeat of the war, but Goddard, the head of the liquid rocket project in the Central Plains Border Region, has been studying liquid oxygen kerosene rockets (Note 2) for more than ten years, and even summed up some available empirical formulas, as long as he is invited to come, This problem can be solved immediately

The second point is simpler, the spontaneous combustion of lubricating oil is only due to the poor air tightness of Japanese products (oil leakage from the famous Zero fighter jet is very common, and oil can leak, let alone gas. Oxygen often leaks out, which oxidizes the lubricating oil and causes spontaneous combustion. When the Central Plains Border Region introduced Western equipment, it not only paid attention to quantity, but also strictly controlled quality, and similar container leakage would be directly regarded as waste products and not allowed to leave the factory, so the second problem Hu Weidong could directly ignore

Note 1: That is, the torpedo that uses a rocket engine is faster than the oxygen torpedo, and the ordinary one can reach 60-70 knots, and the "storm torpedo" that uses the air cannon effect can exceed 200 knots, but the rocket torpedo has obvious wake, and the enemy ship can find it from afar, and the "storm torpedo" is too advanced for the moment, and there is no possibility of developing it at all, Hu Weidong did not ask the torpedo research institute to conduct a pre-research on this until two or three years later, and its research and development successfully produced the finished product, it was more than ten years later

Note 2: The liquid rocket is the fuel and oxidizer gasification or atomization mixed with ignition to start the launch, the same must solve this problem, otherwise the rocket will explode directly, so the ability to successfully launch the rocket for many times in a row shows that this problem has at least theoretically figured out the law, to the specific subject only needs to do a little experiment on this basis.

PS: Keep canvassing ^_^

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