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Chapter 101 The Feast of Submarines

.After two hours of patient waiting, Qu Shaofeng finally confirmed that it was a false alarm.

At around 2:30, Qu Shaofeng suddenly terminated the attack program that had been started because the sidewalk passive sonar intercepted three suspicious signals.

After changing to anti-submarine combat mode, Qu Shaofeng asked the "Electric Ray" to release drag-and-drop sonar.

Although the detection distance of the drag-drag sonar is much further than that of the side sonar array and can intercept weaker signals, the direction finding and distance measurement capabilities are not as good as the side sonar array, and it can only determine the approximate direction of the noise source. If you want to accurately lock the target, you still have to rely on the side sonar array.

It can be said that the most important thing on a submarine is the side sonar array.

In the past two decades, the development direction of submarine sonar systems has been to attach great importance to side-side sonar arrays, and has even had an impact on other performance indicators of submarines.

In the case of comparable electronic technology, there is only one factor that determines the performance of the side sonar array: linearity.

To put it simply, it is size.

Generally speaking, there are two or three sonar arrays on each side of the attack nuclear submarine. The size of the sonar array and the distance between the intervals directly determine the detection distance and accuracy.

Only when it is made large enough and spaced far enough can the detection distance and accuracy be improved.

As a result, attack nuclear submarines from countries around the world are becoming larger and larger. For example, the underwater displacement of the "Sea Wolf" class in the United States exceeds 10,000 tons. Although with the rapid development of electronic technology, the basic units that constitute sonar arrays are getting smaller and smaller, which means that more basic units can be arranged on a smaller area, the deployment interval of the sonar array is still affected by the captain, and the result is that the attack nuclear submarines are becoming increasingly slender. For example, the underwater displacement of the "Virginia" class is more than 2,000 tons less than that of the "Sea Wolf" class, but the captains are still increasing.

In fact, the side-side sonar array is also a major technical advantage for attack nuclear submarines over conventional submarines.

Due to the limitation of displacement and captain, conventional submarines basically do not have side-side sonar arrays. Although countries around the world have added side-side sonar arrays to new conventional submarines in recent years, such as the Chinese Navy's Type 041 and Japan's "Canglong" class, due to the same factors, the detection capabilities of side-side sonar arrays of conventional submarines are far less than those of attack nuclear submarines, and often they have to rely on towing sonars with much worse accuracy.

Qu Shaofeng is proficient in submarine warfare, so he knows that even if the drag-and-drop sonar discovers the target, the side-side sonar array must ultimately determine the nature of the target.

To this end, he adjusted the course of the "Electric Ray".

Only after determining the nature of the three suspicious targets can Qu Shaofeng decide whether to attack the joint fleet or attack Japanese submarines.

Obviously, this takes enough time.

For a submarine with a speed of only four knots, it will definitely take much more time to determine the situation tens of kilometers away than to fight an air battle.

It was because it was too far away that Qu Shaofeng had to let the "Electric Ray" use drag-and-drop sonar.

If they were close enough, they would have figured out the identities of those submarines long ago.

After three o'clock, the drag-and-drop sonar of the "Electric Ray" intercepted a relatively complete noise signal, and then compared it with the information in the database to confirm that it was a Type 041 conventional submarine.

Qu Shaofeng breathed a little relieved.

This not only means that there is one missing enemy, but also means that you can fight in concert with the submarine when necessary.

At 3:50, the second noise source in the northwest direction was also determined, which was also a Type 041, and the boat was less than twenty kilometers away from the nearest Japanese warship.

Obviously, the submarine had been lurking here for a long time, but it had never been given a chance to attack.

Now, there is still the last suspicious target, which is a submarine hovering southeast of the Joint Fleet about fifty kilometers eastward.

At 4:20, the sonar confirmed that it was a Japanese submarine, and it was very likely a "veteran" class.

This made Qu Shaofeng a little worried, because it means that there must be more Japanese submarines nearby, and they are the "Canglong" class with more advanced performance.

It is obvious that Japanese submarines use the "trap-and-kill" tactic.

When the performance is not as good as the opponent, the most effective tactic is to take out a submarine as bait, let other submarines lurk nearby and attack the bait when the enemy boat attacks the bait. When Qu Shaofeng was still the captain of a conventional submarine, he used similar tactics many times in military exercises.

However, this also made Qu Shaofeng believe that the Japanese submarine was not near the Joint Fleet.

By analyzing the previous battle, we can find that after entering the East China Sea, the joint fleet has been sailing at a speed of sixteen knots and has been sailing for nearly ten hours. Although the maximum submarine speed of conventional submarines is around twenty knots and can keep up with the fleet, if sailing at sixteen knots, conventional submarines can last up to a few hours. If they are not deployed in advance, conventional submarines cannot participate in fleet operations.

It has been proved that the Joint Fleet is responsible for feinting in the early morning assault, not the main attack.

More importantly, the Japanese Maritime Self-Defense Force is likely to have less than one day planning time, and there is no time to come up with a complete tactical plan, so it is impossible to deploy submarines in advance.

In this case, when the joint fleet entered the East China Sea, Japanese submarines were still operating in the waters east of the Okinawa Islands.

Although the Japanese submarines came forward to respond when the joint fleet returned, they would definitely not sail at full speed even though they knew that the Chinese submarines would advance near Okinawa Island.

Within eight hours, Japanese submarines sailed up to fifty nautical miles.

If this is true, as long as the Japanese submarine stayed outside the detection area of ​​Chinese submarines before, the distance with the joint fleet will now not be less than thirty kilometers.

This coincides with Qu Shaofeng's judgment.

To put it bluntly, if the "Qianchao" class is the bait released by a Japanese submarine, the submarine responsible for the ambush will be ambushed about twenty kilometers ahead of it. Because when attacking the bait, the submarine will generally open fire within the effective range of the heavy anti-submarine torpedo, while the 533 mm torpedo will not exceed twenty-five kilometers when dealing with conventional submarines. Set the ambush ring to twenty kilometers, and the Japanese submarine responsible for the ambush can counterattack immediately after the Chinese submarine launches the torpedo to ensure that the bait can escape.

In other words, the Japanese submarine closest to the "Electric Ray" should be about thirty kilometers east.

This distance is within the maximum range of mk48mod7.

However, before this, Safimo's "Sea Dragon" had proved in actual combat that Japanese submarines used not American heavy torpedoes, but Japanese homemade electric torpedoes. The maximum range for conventional submarines will not exceed twenty kilometers, and the maximum range for attack nuclear submarines will be shorter.

Among the twenty-two warships of the Joint Fleet, the first one was attacked. The two "Hyuga" class straight-through deck destroyers and four air defense destroyers became the key targets.
Chapter completed!
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