Bright Sword starts with the grenade flat.

Chapter 101 Liu Qin’s recoilless gun

After Liu Xiu heard Liu Qin's words, he also began to recall the technical difficulties of the pulse detonation engine that he had seen before traveling.

Among them, the difficulties mentioned by Liu Qin such as high temperature and explosive power have not been solved.

Although the engine designed by Liu Qin still has many unresolved problems, this does not hinder the future prospects of this engine. It is important to know that the different power principles of the pulse detonation engine have greatly improved its combustion efficiency.

Therefore, the pulse detonation engine has also become an essential engine for sixth-generation fighters or aerospace fighters.

Ordinary turbojet engines, even the rush duck engine, cannot reach the maximum speed of five times the speed of sound, but the pulse detonation engine can easily allow fighter jets to exceed six times the speed of sound, and even reach ten times the speed of sound.

So if he, this cheap dad, can really come up with this explosive engine, which is pulse detonation, then it goes without saying that even eighty years later, in the 1920s of the 21st century, he will be able to achieve overtaking in corners.

Although Liu Xiu knows the importance of researching pulse detonation engines and is willing to support his father Liu Qin in research, he does not have the conditions now!

After all, it was still during the Anti-Japanese War! What's more, even if you want to do it, you have to give priority to mushroom bombs! After all, compared to pulse explosion engines, mushroom bomb missiles are still more important. This is something of strategic significance.

So thinking of this, Liu Xiu could only comfort Liu Qin:

"Dad, we are still fighting against the little devil now! Even if we want to experiment, we don't have the conditions now! I see that this little devil is not very good anymore. I believe that we will be able to win the war in a year or two. !”

When Liu Qin heard Liu Xiu's words, he nodded and said:

"I agree with what you said. In the past two years since the war between the Japs and the United States, the Japs have been defeated by the United States! It seems that the Japs have lost their minds and provoked enemies they shouldn't have! Of course, that’s fine. If the little devils hadn’t provoked the United States, we wouldn’t have known how long the war would have lasted!”

Liu Qin's words made Liu Xiushen nodded in agreement!

Then Liu Xiu discussed Liu Qin's future whereabouts. Originally, Liu Qin's intention was to just stay in the second camp and fight the Japanese with Liu Xiu, and have a good story about father and son going into battle.

However, Liu Xiu disagreed. What kind of father-son soldiers would go into battle? If Liu Qin stayed in his second battalion, what position would he be given? Would he be given a squad leader or a platoon leader? Moreover, even if he was a squad leader or a platoon leader, he would still have to charge when the charge horn sounded. .

And Liu Xiu didn't even care about his own life on the battlefield. He had no time to care about his cheap father. If Liu Qin was unlucky, he might die on the battlefield.

Thinking of this, Liu Xiu said to Liu Qin:

"Dad, you are an international student! There is a shortage of knowledgeable people in the Eighth Route Army right now. It would be such a waste for an international student like you to go to the battlefield with a group of uncultured people like us!

Since dad learned so much knowledge from the little devils, he might as well go to our Eighth Route Army arsenal to make some powerful and easy-to-produce weapons to fight against the little devils! For example, a cannon that can be carried directly on the shoulder and fired! "

Regarding Liu Xiu's request, Liu Qin asked in confusion:

"Xiu'er, isn't this cannon focused on having a long range? Why would you want to charge with the team when you shoot on your shoulder? How can you use the range advantage of such a cannon!"

Liu Xiu saw that Liu Qin looked like he had never been on the battlefield and did not understand the situation, and immediately explained:

"Dad, you don't know, although artillery support from a distance is very good, some enemy bunkers and machine gun firepower points are sharp weapons for harvesting the charging soldiers during the charge! If only the soldiers had an artillery gun in their hands at this time. Directly destroy these firepower points and bunkers!" Liu Xiu said and also talked about how he put the grenade on his shoulder to shoot, and how he used the Munroe effect inspired by the firecrackers to create shaped armor-piercing shells to beat the little devils. The tank incident was also revealed. Regarding Liu Xiu’s deeds, Liu Qin nodded and said:

"Xiu'er, your ideas are really wild. You actually thought of cotton and a muzzle brake to reduce the recoil!"

"Dad! What's this! If the recoil of the Type 97 mortar wasn't too great, I would have wanted to lift the barrel of the Type 97 mortar and shoot it from the shoulder! So, Dad, are you so knowledgeable? How can we turn the little devil’s Type 97 mortar into a cannon that can be carried on the shoulder and fired!”

Liu Xiu's words made Liu Qin fall into deep thought, and his mind began to recall some of the knowledge points he had learned and seen while studying abroad in Little Devil.

The biggest difficulty in carrying a mortar and shooting it is how to eliminate the recoil of the mortar. Liu Qin also knows about the Little Devil Type 97 mortar. Its caliber is 90.5 mm and the total gun weight is 60 Five kilograms. Of course, this is the total weight of the gun base, gun bracket and gun barrel, which is 65 kilograms.

Therefore, the barrel of the Type 97 mortar is estimated to be only a dozen or twenty kilograms, so it is okay to carry it on the shoulder and shoot. However, its muzzle velocity is more than 190 meters and the mortar weight is more than five kilograms. The cannonball's muzzle kinetic energy exceeds 100,000 joules, so the corresponding recoil force of 100,000 joules cannot be reduced by using a muzzle brake and cotton pad.

Thinking about it, Liu Qin couldn't help but think of the idea that when he was studying abroad, someone proposed to use the tail of the gun to launch a counterweight when the cannon shell was fired to offset the recoil on the gun body, thereby developing a recoilless gun.

Thinking of this, Liu Qin immediately said:

"Xiu'er, your request is not impossible. All you need to do is open up the back of the mortar barrel and install a counterweight, so that the counterweight that flies out can absorb the recoil when it is fired. Turn the mortar into a recoilless rifle that can be fired from the shoulder."

"Dad! You are so awesome, you deserve to be a college student who has studied abroad! Then I will take you to our Eighth Route Army arsenal tomorrow and ask the director to cooperate with you in transforming recoilless rifles. I am familiar with the director of the arsenal, and he will definitely support you fully. Improvements in mortars."

Liu Qin was also very happy when he saw the admiration in Liu Xiu's eyes. This made his father look less useless!

After all, Liu Xiudu has become the deputy commander now, and he is nothing now after finishing undercover!

Even if he has merit as an undercover agent, it is impossible for the superiors to directly appoint him as the regiment leader. At most, a company-level officer will be good.

You must know that Liu Qin first became a translator for the Japs and was then recruited by the Eighth Route Army.

Rather than first becoming a member of the Eighth Route Army and then being sent out to become an undercover agent.

The difference between the two is huge.

After that, Liu Qin and Liu Xiu talked about their childhood. For example, when he spent almost all his family property to study abroad at his own expense, he thought he could use the knowledge he learned to make a contribution. However, in the end, he found that everyone was in harmony at that time. Woolen cloth! There is no room for him to display at all.

So the frustrated Liu Qin married a daughter-in-law and gave birth to Liu Xiu under the arrangement of his father.

(End of this chapter)