With this iron ore resource point, Ye Bai can continuously mine a large amount of iron ore, and then the existence of steel mills, has the ability to make steel by itself, although for the time being, only ordinary steel, does not have the ability to manufacture special steel, but has saved a large part of production costs.

Originally, it cost 5,000 yuan to buy a 533mm mine from the system mall, but the cost of self-production in the small space of the logistics cabin has dropped to about 4,000 yuan, which is still because many materials still need to be purchased from the system mall, otherwise this production cost can be further reduced.

In this torpedo factory, in addition to a 533mm mine production line, Ye Bai also specially purchased an aviation torpedo production line to produce 730KG aviation torpedoes that can be mounted by swordfish torpedo attack aircraft.

With steel produced by steel mills, torpedoes produced by the military factory themselves are much cheaper than buying torpedoes directly from the system mall, and as a major attack weapon of the Yanhuang in the future, it is definitely more cost-effective to produce it by itself.

In the same way, on the side of the planned industrial zone, not far from the steel mill, a copper smelter was also built, and the shells fired by the guns of each battleship were made of copper, and the consumption of copper was quite terrifying.

Fortunately, after the shell is fired, the empty shell will be withdrawn from the chamber, which allows these copper shells to be reused and reused by the copper smelter as a raw material for the production of shells by itself, and some production costs can be cut.

The reason why the torpedo was used as a major weapon in the future was because after this period of fighting and looking at past examples, Ramsay found that he had made another mistake, he somewhat ignored the role of torpedoes.

In the original world, the power of torpedoes was so great, the most important factor of 680 was the ability to directly attack the waterline position of the relatively weak armor of the battleship, so that a large amount of seawater entered the hull of the ship, causing the battleship to sink.

But in the world of great navigation, limited to the special rules of the system, even if the waterline position of the battleship is blown up, there will not be the slightest bit of seawater poured into the hull through the broken place, as if the lethality has been castrated.

The damage of torpedoes to the armor value of battleships is almost the same as aerial bombs, and the price is much more expensive, in this case, even a fool knows how to choose, almost the same damage, naturally choose a cheaper aerial bomb as the main attack weapon.

However, as the most adept expert in the use of torpedoes, Lütyans put forward a different theory, and there was an argument with Ramsey, and finally, at Ye Bai’s instruction, it was specially tested after the fleet pulled anchor and set sail.

As for the object of the test, it is naturally the Zhiyuan, anyway, this battleship will also be modified in the shipyard, and it can be used as an experimental object temporarily.

During the test, a Skua carrier-based fighter-bomber carrying a 227KG class aerial bomb and a Swordfish torpedo attack aircraft carrying a 730KG class aviation torpedo launched an attack on the Zhiyuan.

After the attack, the Zhiyuan was once again teleported into the small space of the logistics module, and a large group of engineers and ship experts immediately boarded the Zhiyuan for detailed inspection.

When the test results came out, Ramsey’s face changed greatly, because from the ship attributes of the system panel, the loss caused by the two attacks to the armor value of the Zhiyuan was not large, and the damage caused by aviation torpedoes was greater, but there was not much difference.

However, after the aviation torpedo hit the Zhiyuan, the real damage was not the damage to the surface armor value, but the damage to the hull structure of the Zhiyuan.

Simply put, aside from the damage to the armor value of the battleship, after being hit by an aerial bomb, the superstructure of the battleship will be damaged, and if you are lucky enough, you can even blow up the main gun and other equipment.

But aviation torpedoes are different, they can only attack positions near the waterline armor, and after a successful hit, although they cannot cause any damage to the superstructure of the battleship, they can pose a serious threat to the internal structure of the hull.

There are various cabins distributed inside the hull of the battleship, because of the special rules of the Great Navigation World, no matter what kind of damage will not occur in the case of seawater, so that all warships have canceled the setting of watertight cabins.

This gave the battleship more internal space, but also made a great change in the cabins inside the hull, and after testing, the attacks of aviation torpedoes were almost all aimed at the cabins inside these hulls.

As long as a torpedo successfully hits the battleship, there will be corresponding damage in the internal compartments, and the power compartment, engine room, fuel tank, ammunition compartment, etc. are almost within the attack range.

From this point of view, for the threat of battleships, torpedoes are more threatening than aerial bombs, at least completely worthy of the high price of torpedoes.

It was through this test that Ramsey discovered his previous mistakes and immediately made a readjustment and modification of the establishment of carrier-based aircraft, and the original Swordfish torpedo attack aircraft, which was only equipped with only one group, was expanded to the size of 128 aircraft in two groups.

When launching an attack, the Swordfish torpedo attack aircraft will no longer be loaded with aerial bombs, but will be loaded with a 730KG class aviation torpedo, which has become another major killer of the carrier-based aircraft group.

The mounted weapons have changed, which also makes the consumption and reserve of aviation torpedoes greatly increased, in the case of cost savings, naturally it is necessary to produce it yourself, and the money can not be burned in a panic, rather than being taken advantage of by the system, it is better to save and buy a battleship.

After inspecting the military factory and focusing on the production progress of torpedoes, Ye Bai came to the radar manufacturing plant, before he obtained a complete set of basic radar technology and technical information, and also purchased a large number of raw materials to build this radar manufacturing plant, the purpose is to produce basic mines (AJDC) by himself.

In the past few days, the radar engineer is still busy in the process of familiarizing with technical data and debugging related equipment, so this radar manufacturing plant has not yet started, and Ye Bai also feels a little anxious.

Anyway, they all came to inspect, and he also wanted to know the current progress of these radar engineers.

After a simple exchange, the progress was basically satisfactory to him, and the radar engineers recruited from the system were already familiar with all the technical information of basic radar technology, and with equipment and sufficient raw materials, they could quickly start manufacturing basic radar.

In the great navigation world, although more radars can be used to complete the upgrade and improvement of the radar system, Ye Bai knows in his heart that the best way is to be able to develop a radar with better performance on his own, after all, he cannot be sure whether this upgrade is unlimited.

It is a pity that even with the complete technical data of basic radar technology, these radar engineers are the same as the shipyards, they can only follow the cat and draw tigers, and manufacture basic radars according to these technical data, but they do not have the ability to upgrade and strengthen the performance of basic radars. (Read violent novels, just go to Feilu Fiction Network!) )

Don’t think about it, this must be another limitation made by the system, such a result was expected by Ye Bai, just confirm again, it still made him feel a little disappointed.

Although the effective detection range of the radar system equipped on the Yanhuang has reached 40 kilometers, it is still not enough, after all, this distance may take nearly 1 hour for the battleship to complete.

But for those fighters flying in the sky, this distance does not take so long at all, less than 10 minutes to fly, this is still calculated according to the flight speed of those carrier-based aircraft equipped on the Yanhuang, if you really encounter those carrier-based aircraft in the middle and late World War II.

A carrier-based aircraft with a maximum flight speed of 600 kilometers only takes 4 minutes to complete these 40 kilometers, that is, it takes less than 4 minutes from the warning of the radar system to the response of the fleet to air defense.

What kind of preparation can be made at this time?

Even if the Hangar of the Yanhuang is full of carrier-based aircraft, there is not enough time for these carrier-based aircraft to take off and build an air interception network, and the reaction time is too short.

If you want to expand the detection range, the only way to continue to upgrade the radar system on the Yanhuang is to increase the level, which can allow the fleet to detect the enemy situation earlier and have more time to react.

Therefore, these radar engineers have pinned on Ye Bai’s great hopes, but the limitations of the system are not so easy to break through, and when they can’t do the system, in addition to honestly accepting it, Ye Bai is really out of line.

After inspecting several important institutions in the small space of the logistics cabin, Ye Bai returned to the bridge again, and as soon as he appeared, Ramsay greeted him and said: “Commander, according to the report of the reconnaissance pilot, the pirate fleet that robbed the transport fleet has now returned to the island, and our previous analysis is not wrong, that island is indeed the nest of pirates.” ”

Ye Bai nodded, this is actually not surprising, a mysterious unknown island in front of the pirate fleet’s route, the probability of being a pirate’s lair can be said to be as high as ninety percent, but now it has only been determined.

“Is there any movement in the surrounding sea?”

That small island is the target of their own attack, has been in the high-altitude monitoring of reconnaissance aircraft, the strength of pirates has also been figured out, the chance of accidents is not large, what really needs to be paid attention to is the surrounding seas, which is also an important reason why Lütyans and Ramsey oppose the attack on the island now.

“So far, no other movement has been detected in the surrounding waters, and occasionally one or two warships of the power have appeared, but they are only passing by, and they are not aware of the existence of this small island.”

Ye Bai shrugged his shoulders, looked up at the sky outside through the porthole, and once again had a trace of urgency in his heart, although the island was not marked on the navigation map, but there were too many players swimming on the sea, maybe some player accidentally ran to the vicinity, and then found the existence of the island.

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