Qin Tianmin looked like he wanted to speak but stopped, and said in a heart-warming tone: "Tang Wenjin of the Navy came to you again. If he made up his mind to follow Mr. Huang, and if he had too close contact with the Huai clan, it would probably affect his future. Brother Lu, such a thing is unscathing!"

Lu Hong looked at this guy. If he wanted to stay in the officialdom, this would be really good. In the officialdom, such fictional behavior is the most taboo... However, I can't tell you that I have already foreseeed the battle of the sea. It's not harmful to be familiar with the navy!

So after thinking about it, he smiled and said, "Brother Qin, thank you for reminding me that there is another reason for this matter. I have planned it long ago. If my plan can be accomplished, it will be quite related to the Beiyang Navy... In that case, it would be better to meet more people from the Navy, which would be no harm!"

Qin Tianmin was stunned when he heard this. His idea of ​​getting promoted and making money was still on the routine of donating officials and running away. It was a bit surprised to hear Lu Hong say that he had plans. However, he had seen Lu Hong's ability. He heard that he had plans, so he didn't say much. The two of them came to see Tang Wenjin at the door together.

When he arrived at the door, Lu Hong realized that it was obviously not the only one who came. There was a young officer who was a little older than him and had a delicate beard. He could see at a glance that the officer's blue five-cloud suit had a golden bar that was medium wide for two days. According to the information he learned on the Pingyuan ship on the two days, this should be a fourth-rank or fourth-rank military position. Compared to the Pingyuan ship's supervisor, Li He was one level away. The young officer also brought two low-ranking officers with a golden bar behind him, looking like they were trusted subordinates.

What was a little surprised was that although Tang Wenjin had only three thin gold bars, he was talking and laughing with this guy without any awareness of superiors and subordinates. Seeing Lu Hong come out, Tang Wenjin walked over happily and pointed at the two young officers with medium-wide gold bars and smiled: "Brother Lu, let me introduce it. This is the officer of our Beiyang European and American Alumni Association. Du Si Cai Ting did it. He is a torpedo expert. He just arrived in Tianjin Wei yesterday. He mentioned the Howell torpedo you mentioned during the morning chat, but he didn't believe it at all. So, I pulled him to confront you in front of you!"

Cai Tinggan... Lu Hong remembered this name all at once. He heard Tang Wenjin introduce this position. Dusi, the fourth-rank Dusi, has already entered the ranks of senior officers. If Tang Wenjin does not introduce this position, Lu Hong also knows that he had ridiculed earlier. The Fulong torpedo boat used to send lychees to Empress Dowager Cixi, the old woman, isn't this the one? Thinking of this, he couldn't help but think of the evil spirit that this person appeared in Tianjin Wei, could he send Shenma Guangdong fruit again?

However, he did not intend to ask such gossip questions, and immediately showed a hospitable face, "Mr. Cai, I have been admiring for a long time. Brother Tang is too persistent. This Howell torpedo is a military product produced by the United States. If it is this power, it should have strengths with the blackheaded torpedo used by my Qing Dynasty!"

Cai Tinggan is a student studying in the United States. He is particularly good at English and can even translate Chinese ancient books in English grammar. He often reads domestic English newspapers if he has the opportunity, but he has never heard of the Howell torpedo mentioned by Lu Hong. Therefore, when he had a dinner with Tang Wen earlier, he heard this guy mention a few words, saying that the combat effectiveness of this torpedo was greater than that of the Beiyang Navy's familiar German blackhead torpedo. Naturally, he did not believe it now. Now he is in charge of the left-wing team of the Beiyang torpedo, which is naturally closely related to the torpedo technology. He can't help but have the urge to come over and understand.

Cai Tinggan was obviously not satisfied with this simple explanation. Tang Wenjin only cared about artillery, so the few words he heard during the chat were completely different. So he immediately asked: "Mr. Lu, I heard from Tang Wenjin that you have traveled to Europe and must have seen this type of torpedo. Can you explain to me what the excellence of the Howell torpedo is!"

Cai Ting's question obviously means disbelief. Lu Hong is only a little older than Tang Wenjin. Even if he is studying in Thailand, how many opportunities can he have to learn about such confidential news? At most, he has heard some fur and then took it out to show off. Therefore, he threw out a very difficult question at once. In his opinion, if he is not a professional, he will definitely not be able to answer it easily!

Looking at the guy's slightly smiling face and his two delicate beards, Lu Hong secretly raised his middle finger. As for Tang Wenjin who was watching the fun next to him, Lu Hong really wanted to kick this guy's butt. However, these two guys seemed to be quite useful, so we might as well show our knowledge that we must be profound...

However, this is a great skill. You asked us like a teacher. How can this be done? It was obviously me who was teaching you. He smiled in his stomach and asked, "Cai Dusi, I think you are good at torpedo launching. I wonder if you feel that the best launch distance of a 100-meter blackhead torpedo is too short? If the blackhead torpedo is launched at an extreme distance of 500 meters, can you be sure where this damn torpedo will run?"

Lu Hong's words pointed directly at the shortcomings of torpedoes in this era, and immediately made Cai Tinggan, who was interested in testing him just now, immediately became serious. After pondering for a moment, he immediately shook his head, "Young Master Lu seems to know this torpedo tactic... But I wonder if you can solve the two fatal problems of blackhead torpedo!"

Lu Hong naturally understood the technical problems of torpedoes in this era. The torpedo appeared for almost 30 years. It was not until the emergence of white-headed torpedoes and black-headed torpedoes that this kind of water weapon became truly practical. However, war weapons are always the mutual upgrade of spears and shields. Now, with the emergence of machine guns and rapid-fire guns, it is necessary to approach 120 meters to have reliable and accurate torpedoes, making the combat effectiveness worse and worse.

The big reason for this is that the difficulty of linear navigation of torpedoes is related to the difficulty of stable operation of the shallow aircraft. The 14-inch black-headed torpedo equipped by the Beiyang Navy has improved some improvements compared to the white-headed torpedo purchased by the Royal Navy. However, in this era, the black-headed and white-headed torpedoes used compressed air to power the engine, and the air is discharged from the compression cylinder to generate kinetic energy.

The obvious problem is that the compressed air cylinder will quickly become lighter, so this has led to a serious problem in torpedoes in this era. The problem of heavy head and light feet after launch will be obvious after launch. Although it is controlled by the depth and shallow aircraft, it is inevitable that for a slightly longer distance to launch, this powerful weapon has an elusive assault trajectory!

Therefore, the recommended launch distance of blackhead torpedo with a maximum range of 500 meters is only 100 meters. To obtain a good hit, it must be within 50 meters. Based on the hits of rapid-fire guns and machine guns by the Royal Navy in this era, the hit rate of 1500 meters is 10%. When it reaches 500 meters, the hit rate has reached 80%. At a distance below 400 meters, the hit of the warship has reached 100%. In this case, driving a wooden unprotected torpedo boat to attack the enemy is almost the same as killing death!

In terms of torpedo navigation, the Howell torpedo made by the Americans has a very simple device. A flywheel shaft is placed in the torpedo, which can transmit the deflection to the lightning body and deflect the torpedo's heading. Another transverse pendulum detects this deviation and directly drives the rudder to deflect an appropriate deviation correction torque to correct the torpedo's deflection. Based on the physical knowledge that Lu Hong knows, this is actually the application of the basic principles of gyroscopes.

However, in the era when gyroscopes never appeared, the Howell torpedo, which has this advantage, has been unable to enter the US market in the past 20 years. The main reason is that the straight-line navigation distance of the Howell torpedo is more than 600 meters, which is close to the maximum range of the torpedo...

However, Cai Tinggan asked Lu Hong to solve this problem. Although Lu Hong understood the basic principles of the gyroscope and could even draw schematic diagrams, it was really a very challenging problem to modify the blackhead torpedo.
Chapter completed!