Into Unscientific

 Those who have been torpedoed should know this.

Torpedoes are different from ordinary missiles in that their working principles are actually very complex.

This still involves the incompressibility of water.

 It is well known.

Most ammunition has explosives inside. When the explosives explode, a large amount of high-temperature and high-pressure gas will be generated in a short period of time.

These gases diffuse extremely quickly, and the energy of this diffusion is the source of the lethality of some weapons.

If it is an anti-explosive bomb, let the gas diffusion energy break the shell, forming a large number of high-speed fragments, and let the kinetic energy of these fragments kill.

If it is an armor-piercing projectile, let the gas diffusion energy compress the metal cover to form a high-temperature and high-speed metal jet, allowing the metal jet to penetrate the armor.

 When gas diffuses in the air, since the gas can be compressed, the gas diffusion energy must first compress the air and then rush out to form a shock wave, which consumes part of the energy.

The compressibility of water is five orders of magnitude lower than that of air, so the gas diffusion energy can rush directly through the water body without compressing it, forming a shock wave.

 This is the "impact energy" in torpedo design.

In water, the gas diffusion energy will turn the water into bubbles, and the bubbles will expand.

 Due to inertia.

 When the bubble expands to the point where the internal pressure is equal to the external water pressure, it will not stop but will continue to expand.

 This makes the internal pressure of the bubble less than the water pressure, and the water will come back to compress the bubble.

Similarly due to inertia, when the bubble is compressed to the point where the internal and external water pressures are equal, it will not stop and will continue to be compressed.

 As a result, the air pressure inside the bubble is greater than the external water pressure, so it expands again and circulates again and again until the internal and external pressures are finally balanced - this process is the "bubble pulsation" in the underwater explosion theory.

It is precisely for this reason.

 To destroy a torpedo traveling on the water surface, the bullets required must also be very special:

This kind of bullet must first have armor-piercing capabilities, that is, it must be able to break through the metal shell of the torpedo.

At the same time, the bullet must ensure that after the bullet is fired into the torpedo, the impact energy of the torpedo escapes horizontally or upward, otherwise a situation will occur - the torpedo explodes, and at the same time the bubble pulsation phenomenon generates a huge shock wave, causing hundreds of Wang Anyi, who was several meters away, also exploded into the shape of Fitzgerald's brain.

 Fortunately.

This time the sniper rifle in Zhang Taofang's hand happened to have this ability.

This sniper rifle was originally an M1944 Mosin-Nagant, an old rifle with a caliber of 7.62 mm. Zhang Taofang was holding another M1944 Mosin-Nagant of the same model on the Peninsula battlefield. Killing all around, creating a sniper legend.

However, the legendary weapon that annihilated 214 Japanese soldiers across the sea has been included in the Volunteer Army Museum, and its own situation is not suitable for actual combat.

The M1944 Mosin-Nagant assigned to Zhang Taofang by the organization this time has undergone a certain degree of modification. For example, the barrel has been thickened from 7.62 mm to 12.7 mm, and the receiver is made of cast and ground aluminum instead of u. Made of steel.

At the same time, a hardened steel adapter connection is added to the interface of the barrel, which can lead the gas through the gas guide tube at the top of the barrel to the piston chamber behind the recess at the rear of the bolt, etc.

In fact, the rabbits had already mastered this technology before Xu Yun appeared. Two years ago, in order to solve the requirements of light weapons planning for large-caliber machine guns to reduce their mass, be decentralized to battalions, and be used for both high and low altitudes, our country began to develop 10.5mm anti-aircraft guns. machine gun.

At that time, 451 Factory developed a 10.5x95mm anti-aircraft machine gun bullet. Compared with the 12.7x108mm anti-aircraft machine gun bullet, the muzzle velocity was increased by nearly 20%, the recoil impulse was reduced by 27%, and the total bullet mass was reduced by 20%. It can penetrate at a distance of 1500m. 10mm armor steel plate.

However, the armor-piercing performance is still not up to standard. The penetration rate of shooting 20mm vertical armor steel plate from a distance of 300m is only 65%, and the final shape is not yet finalized.

However, this nearly abandoned project produced many achievements in firearm improvements. At that time, Mr. Lin Maoxiang even tinkered with a shoulder-fired anti-aircraft gun to fight helicopters.

This time, considering that some accidents might occur during the battle for the data cabin, the organization equipped the modified M1944 Mosin-Nagant sniper rifle with special steel needle bullets and sent him to accompany the team to carry out the mission. Task.

 Today Zhang Taofang is a big boss of the Air Force, and fishing at sea is also part of the Air Force system. The two are connected.

As for the steel needle bullets matching this gun, they are also the research and development results of the predecessor of the 871 project. However, this thing is still different from the 30mm steel needle bullets of later generations. It is mainly used for fixed-point attacks.

The reason why the organization arranged such a move was mainly because Xu Yun mentioned that in the original history, the Maple Leaf Kingdom's patrol boats would use machine guns to shoot at the water surface to interfere. Unexpectedly, the Maple Leaf Kingdom's patrol boats were not seen, but four missiles aimed at them were seen. Wang Anyi went to the torpedo.

In this case, Zhang Taofang took action decisively.

ˆ “.”

Then Zhang Taofang glanced at the sea in the distance and said to Li Shan, the leader of the steering team with some worry:

“Xiao Li, you’d better let the comrade in charge of reconnaissance fly around again. The torpedo weapon is too concealed and it’s too difficult to find it with just your eyes.”

“I remember that submarines have a very special structure. After firing torpedoes from the front, they can turn around and fire again.”

"Not to mention that there are more than one submarine around us. If any thief sneaks in and fires a few rounds, Captain Wang and the others will be in danger."

Li Shan’s expression straightened when he heard this:

"clear."

Although Zhang Taofang is known as the "Sniper God", this is just a title, and some abilities still cannot escape the human category.

For example, trying to detect with the naked eye where a torpedo appears on the endless sea is basically a fantasy.

Although Zhang Taofang found and destroyed the torpedo before, he also relied on the prompts from the reconnaissance plane-the reconnaissance plane reported the position. Zhang Taofang spent time searching and aiming, and then he was able to hit the target with one shot.

The reason why the torpedo exploded in an area 150 meters close to Wang Anyi was certainly due to the range of the sniper rifle, but it was mostly due to the fact that the above processes took a lot of time.

 Once the reconnaissance plane discovers the torpedo trajectory for more than ten seconds at night, many things may not be so easy to say.

Li Shan obviously understood this at this time, so he immediately prepared to return to the cabin to contact the helicopter.

However, he had just taken two steps when he bumped into Shu Xingbei, who was hurriedly walking out of the cabin:

“Comrade Li, Comrade Zhang, and Captain Wang have swam to the data cabin!”

Li Shan was startled when he heard this, and then his voice rose a little higher:

“Professor Shu, what did you say? Did the captain get the data module?”

Shu Xingbei nodded heavily, handed the telescope to Li Shan, and explained:

“What I just saw with the telescope is that Captain Wang has successfully merged with the data module.”

Shu Xingbei didn’t even notice it himself.

After witnessing Wang Anyi personally leading the team to "die", his attitude has changed slightly compared to before.

 At least before today, he would never have taken the initiative to have so many exchanges with a "mud-legged" person like Li Shan.

This is still a long way from acceptance and recognition, but at least it is a good sign.

However, Li Shan didn't care about this. After hearing Shu Xingbei's words, he immediately took the telescope and looked into the distance.

as expected. It could be clearly seen through the telescope that Wang Anyi, who was wearing a chemical protective suit, had swam to the side of the data cabin and held the buoy of the data cabin tightly with both hands.

At this time, due to ocean currents, the sea area where Wang Anyi obtained the data cabin was more than 300 meters away from the carrier-based ship.

"Very good!"

Upon seeing this, Li Shan waved his fist vigorously, and at the same time looked at Zhang Taofang aside:

“Comrade Zhang, the captain has obtained the data module!”

Zhang Taofang nodded slightly when he heard this, and continued to lie on the deck and entered a standby posture.

 “Xiao Li.”

At the same time, another man with a dark complexion and a Chinese character came out of the cabin. This man was Feng Zhiyou, the deputy captain of the commando team. He was also the top person in charge of the ship after Wang Anyi got off the ship:

“Xiao Li, hurry up and get back to the helm, now we are ready to start the decisive battle!”

Feng Zhiyou’s tone was filled with murderous intent, and he was even loading the magazine of the firearm in his hand while speaking!

like he said.

Wang Anyi successfully obtained the data cabin does not make the rabbits breathe a sigh of relief. On the contrary, the most difficult moment comes next.

because

According to the original plan of the design team, there were two countdown devices on the data cabin.

The first countdown device is the indicator program, which will automatically emit dye to mark its position after seven minutes, the theoretical maximum duration of the surge.

As for the second program, it is a self-destruction program. If the correct password is not entered within thirty minutes, it will self-destruct. (Note: I wrote fifteen minutes before, which was the countdown time in the original history, but now fifteen minutes seems not enough in this salvage situation. After all, it took more than ten minutes to rush. Please modify it here)

 It is true.

Wang Anyi, as the top person in charge of this project, had already mastered the specific password before leaving China, and could eliminate the risk as soon as he came into contact with the data cabin.

 But Feng Zhiyou was sure that Wang Anyi would never do this.

Because once the risk of self-destruction of the data capsule is eliminated, if Wang Anyi and the others have another accident and the data capsule falls into the hands of the other side of the sea, then the rabbits' experiment will be in vain.

Hence, Wang Anyi's approach was to do nothing, return to the ship with the data module, and not enter the password until he got on the deck.

And if there is any interference during the period that causes the time to exceed the limit, then the ending is destined not to be beautiful and joyful.

 So just as Feng Zhiyou said, the real decisive battle has only begun now.

 Feng Zhiyou then took a deep breath and continued to say to Li Shan:

“Xiao Li, use all your power, go over and support the captain! Everyone else is here, load the bullets for me!”

At this time, Li Shan had returned to the helm, and after hearing this, he immediately shouted:

"clear!"

The reason Wang Anyi chose to swim instead of sailing before was mainly because he was worried that the target of the carrier-based ship was too large. Once it was destroyed by a torpedo, they would completely lose the opportunity to **** the data cabin.

Although the speed of dispersing more than ten people into the sea is slower, it is at least more stable-even if half of the people die, the other half can get the data cabin.

But now it’s different.

Now Wang Anyi has obtained the data cabin, and at the same time, the command ship from behind has also arrived.

In this case, even if the carrier-based boat is destroyed by a torpedo, Wang Anyi and the others will still not fall into an isolated and helpless situation.

Not to mention Zhang Taofang hanging on the wall, navigation is relatively safer than before - at least the submarine will have concerns when launching torpedoes.

 In fact.

At this time, it was not just the rabbits' carrier-based boats that set off, but several other tracking boats around them also began to rush to the scene.

 The finals have begun!

However, these reinforcements are still some distance away from the real center of the decisive battle, so the real decision of the outcome of this battle is still the first group of people to go to sea.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

Wang Anyi tightly held the sealing line of the data cabin with both hands, her chest rising and falling violently.

The high load of running around and the cold sea water made his energy at this time almost exhausted - even though the distance he swam was only two to three hundred meters, due to the presence of nuclear radiation at the site, the protective suits of Wang Anyi and others were all It is a fully enclosed structure, and the oxygen supply relies on the oxygen bottle on the back. In addition, there are various undercurrents under the sea surface, making it much more difficult to move than normal freestyle swimming.

Just when Wang Anyi was trying his best to regain his strength, a shout suddenly sounded from beside him:

 “Captain!”

Wang Anyi looked around and found two figures wearing the same clothes as herself appeared behind her, with the names "Chen Hongxing" and "Sang Adi" written on their foreheads.

　　　　　　　　　　　　　　　　　　　　　　　　 industries

Wang Anyi patted the water twice as a greeting, and then shouted without even mentioning the other person's name:

“You’re here just in time, come on, come on and pull this thing back with me!”

 Chen Hongxing and Sang Adi are both veterans of Wang Anyi's command. Needless to say about Chen Hongxing's situation, Sang Adi is also the son of a martyr, and his father died on the battlefield on the Peninsula.

Now besides his mother, Sang Adi's family has a younger brother and a younger sister. This kid's biggest dream is to drive a tank, but he accidentally joined the navy.

 Hearing what their captain said, Chen Hongxing and the two men immediately accelerated and swam to Wang Anyi's side.

With the appearance of two helpers and the fact that his physical strength had recovered a little, Wang Anyi immediately started to rush towards the way he came.

Following the direction he came from, Wang Anyi also saw many white-headed men wearing the same clothes as himself, but there were also some enemies dressed up as friendly troops who were desperately swimming towards here.

However, the situation was critical at this time, and Wang Anyi had no intention of counting how many friends and enemies he had. He didn't even know if any of his own people had died.

Da da da-

Just after Wang Anyi and the other two swam back, a row of "small water drops" splashed on the water in front of them.

 Two seconds passed.

Da da da.

There was another burst of gunfire, and Wang Anyi's right arm suddenly stabbed, and the seawater around the arm was instantly dyed red.

At the same time as severe pain was felt in his arm, Wang Anyi quickly identified the model of the gun through the sound of the gun:

  PPS-43.

 This is the prototype of the Rabbit Type 54, produced by Woolly Bear!