Lin Yuan said: "I'll explain this to you later, please remember, don't sink them." ”

Han Mingguang didn't ask in detail, he knew that Lin Yuan would definitely have a very important plan in the future, and then he and his subordinates worked out a plan to lure Japanese warships.

It was April 6, and at 10 o'clock in the morning, the wind was calm on the Bohai Sea, and there was no cloud or fog, and the Beijing ship quietly sailed to Port Arthur.

Compared to the port of Incheon, the Japanese did not have many warships in Port Arthur, because the Beiyang Navy had been completely wiped out by the British fleet. The warships here were organized into the second detachment of the Combined Fleet, which was responsible for monitoring the Qing army in the direction of Shandong and preventing the Qing army from crossing the Bohai Strait, but no one believed that this would happen; After the failure of the landing operation of the 2nd Division, the 2nd Detachment took on the task of protecting the landing force.

At this time, most of the battleships of the second squadron went to escort the landing force, so the main battleships of Port Arthur were only Fuji and Shikishima, and there were two Asama-class cruisers, which were newly ordered by Japan, equipped with two two-pack 203 mm main guns, fourteen 152 mm rapid-fire guns, and two Yoshino-class cruisers, and Japan appreciated the high-speed performance of this type of cruiser, so it ordered two more.

These two ships did not exist in Lin Yuan's time, one was named Kasuga, and the other was named Longxiang, both of which were used in the early days of the Japanese Navy, and the Japanese Navy followed the habit of the Western Navy and took out the names of the ships that had been used and used them again.

The commander of the second squadron is Rear Admiral Heihachiro Togo, and his promotion is because he was in the limelight in the battle between the United Fleet and the Beijing ship, and the Lang speed ship under his command shot down a flying machine, but the high-level listed the aircraft as a top secret, so Togo Heihachiro's deeds were not known by too many people, so many people pointed fingers at his promotion to rear admiral, and said all the unpleasant things.

Heihachiro Togo had always wanted to meet the mysterious ship again, sink it or capture it, and when he heard again and again about the appearance of flying machines on the battlefield, he instinctively realized that he was not far from the mysterious ship.

The Japanese army set up an observation position on the old Tieshan battery outside Port Arthur, and ships fifteen nautical miles away could be observed, in this era, the means of observation were extremely single, only optical observation, and for ships, the easiest thing to be found was the smoke from the chimney, and the straight column of smoke made every battleship nowhere to hide, but the Beijing ship was a nuclear-powered aircraft carrier, and the heat emitted by the reactor was directly used to drive the propeller, so there was no smoke column.

When the Japanese observers on Lao Tieshan saw the Beijing ship, the Beijing ship was only eight nautical miles away from Port Arthur, and the Japanese army quickly reported the news to Togo Heihachiro, who was looking for the Beijing ship, and without thinking about it, he led six warships out of the port and sailed in the direction of the Beijing ship!

The Fuji and Yashima ships, which have the slowest speed, are in the center, the two wings are the Asami-class cruisers, the Asama and Tokiwa-class cruisers, and the outermost are the two Yoshino-class cruisers with the fastest speed, and the six Japanese warships are lined up, and the distance between the two ships is about one thousand meters, so that the possibility of the opponent's turn and escape can be suppressed to the greatest extent, and the economic speed of the Beijing ship is 18 knots, since the purpose is to lure the enemy, it is naturally impossible to travel at such a fast speed.

So the Beijing ship was like a dying patient, slowly moving forward at a speed of 8 knots, which gave Togo Heihachiro infinite confidence, and he thought to himself: "The mysterious ship is not omnipotent, it also has to follow all the laws of nature, as long as it is a mechanical product, it is impossible to be free of faults, it seems that the mysterious ship is out of order this time." ”

At this time, on the Beijing ship, navigation and radar have become the busiest departments, and the electromagnetic waves emitted by the sea search radar, under the control of the computer, constantly change the phase, so as to complete the scanning of various parts of space, which is the phased array radar, which does not need the transmitting antenna to do mechanical movement to change the direction of electromagnetic wave transmission.

The electromagnetic wave emitted by the antenna has a shape, like a petal in space, and the intensity of the echo is different at different positions, so the direction of the echo can be measured according to the strength of the echo, and then the speed of the target can be measured by using the Doppler effect.

The Beijing warship soon measured that six Japanese warships were heading towards them at a speed of 15 knots, and if they continued, they would meet the Japanese warships in another 18 minutes, so Han Mingguang ordered the rudder to be turned, and the bow of the ship was changed by 180 degrees.

The turning of the ship is a very slow process, the small boat is better, the inertia of the Beijing ship is amazing, although its rudder has been optimized to produce the turning moment as much as possible, the turning diameter of the Beijing ship will still reach five times the length of the ship, that is, more than 1,500 meters.

The diameter required for a 180-degree bow turn is an important indicator of the rotational performance of a warship, and it is generally 0.9 times the turning radius, which is called the tactical diameter.

When the ship turned, the resistance increased, and the speed of the ship inevitably decreased, Togo Heihachiro was keenly aware of the change in the speed and direction of the Beijing ship, and knew that the Beijing ship was going to escape, so he immediately gave the order, chased at full speed, and gave the order, the stokers on the battleship played with their lives to add coal to the boiler, and Togo Heihachiro prayed silently, hoping to intercept the Beijing ship before it turned a corner!

The weather did not go according to people's expectations, and the Beijing ship turned a corner less than two nautical miles from the Japanese warship. After the turn, the people of the navigation department immediately recorded the turn on the track map, and now the Beijing ship, there is no Beidou satellite navigation, no land marker positioning, and no radio positioning, and the positioning method returns to the most primitive astronomical navigation and magnetic compass.

This way of navigating is exactly the same as the Japanese warships that are tracking it on the other side, and Togo Heihachiro must be very pleased to know this.

In modern ships, especially in warships, the status of astronomical navigation has been incomparably weakened compared to the time when it was born, and its biggest role is to correct the accuracy of the magnetic compass, the magnetic compass due to manufacturing and installation problems, there will be errors, this error has been measured when the magnetic compass leaves the factory, and it is handed over to the use department in the form of a table.

However, the earth's magnetic field changes at any time, and after a hundred years of changes, the magnetic field of the 21st century is very different from the magnetic field of the 19th century, so the correction table at the time of leaving the factory cannot be used, and astronomical navigation has become the only correction method. At this moment, the speed of the four cruisers was increased to 18 knots, and it was almost time to catch up with the mysterious ship!

Just when Togo Heihachiro's heart was beating to his throat, the Beijing ship suddenly increased its speed, and in just a few minutes, the speed increased from 8 knots to 19 knots.

Since the fast cruiser was positioned on either side of the Beijing ship, it would have to be faster to catch up with it, so the cruiser accelerated again, increasing its speed to 20 knots.

However, their acceleration was not as good as that of the Beijing ship, and when it accelerated, the Beijing ship opened a large distance from them.

Heihachiro Togo turned his head and asked an old man with gray hair beside him, "Teacher, what do you think of this mysterious ship?" ”

The old man's eyes widened, and he shook his head and said, "This is impossible! There is such a ship! ”