Chapter 2793 The Debate About Aircraft Carriers 1
"First of all, from the perspective of battleships, current aircraft carriers are too fragile. It is very easy to lose their aviation capabilities when facing bombers. A 20,000-ton aircraft carrier will be damaged if it is hit by three 500-kg high-explosive bombs on the deck. It is possible to lose aviation capabilities, and it is impossible for us to use fighter units to completely intercept the opponent's attack fleet. So in this case, we must improve the protection capabilities of warships, especially the protection capabilities against bombs. So, if If possible, I would like new aircraft carriers to have armor on part of the flight deck," Rogan said.
"Putting armor on the flight deck? This is a very big challenge for the design and tonnage of the warship. You have raised a very challenging question for the Imperial Navy Ship Design Institute and the Bavarian Ship Design Bureau." Lei Del frowned slightly and said, he didn't expect the first question raised by Logan to be so difficult!
"This is a very big challenge for the tonnage and center of gravity design of battleships. At least it cannot be achieved by a 20,000-ton aircraft carrier. The length and width of the armored deck must be able to support the minimum take-off and landing of aircraft, otherwise the coverage area will be too small. Armor is not of sufficient significance for warships, and in order to protect the facilities below the flight deck, the armored deck must also cover the hangar and the lower ammunition depot, oil depot and other key facilities. This determines that the area of the armored flight deck will not be small, but The weight will also increase! In order to support the weight of the deck armor, the support structure of the battleship must also be strengthened, which is likely to fall into a vicious cycle," Redl said.
Redl does not understand aircraft carrier design, but he still has research on battleship protection and center of gravity issues. Judging from the current development trend of German battleship protection, the proportion of horizontal armor in weight is showing an upward trend. After all, the horizontal armor area is large. , the height of the armored belts on both sides is only 5 meters, which is 10 meters if both sides are included. And now the maximum width of the armored deck of the battleship is 20 meters upwards! The weight of the armor required to increase the armor by one millimeter is not the same level. What Logan wanted to enhance was horizontal protection, and he still raised the armor plate very high! This is a huge challenge for the center of gravity design of the battleship. The easiest way is of course to increase the tonnage, but the tonnage cannot be increased casually!
"Your analysis on the length of the aircraft carrier's armored deck is very accurate. I think it is of great reference value." Logan said very sincerely.
"I think so about the area of the armored deck. It should be at least 120 meters. In this case, even if the worst situation occurs, for example, if the front and rear edges of the armored deck are hit at the same time, then the 120-meter deck length will cooperate with the overtime of the aircraft carrier. The wind can still be used as an organic take-off fighter. It can take off at least one squadron or more of fighter jets, and it can also take off more than 6 bombers. At the same time, this distance is enough for recovering aircraft, with a margin of more than 40 meters." The same goes for Logan. Those who were prepared had even thought about this issue before this battle, but this tragic confrontation stimulated Logan and made him formally raise the issue.
"But this length does not seem to be enough to cover the hangar. The current hangar length is generally around 150 meters, and aircraft carriers will be larger in the future.
For a single-story hangar, the armored deck area that needs to be covered will be larger. My colleagues and I once calculated that if future aircraft carriers still use single-story hangars, the length including the elevators at both ends may reach 190 meters, and a 190-meter-long flying armor deck is simply unimaginable. " Rogen said.
"So, under the limitation of tonnage, we need to change our thinking, for example, convert the single-story hangar into a double-story hangar. This will not only increase the hangar operating area, but also reduce the defense area of the aircraft carrier's armored deck. ." Reidel said.
"Should the single-layer hangar become a double-layer hangar? This can indeed shorten the area of the armored deck, but there is a problem we must consider. If it is arranged into a double-layer hangar, then the lift may not be able to use a side chord lift, because The side chord lift cannot communicate with the lower hangar, because the lower hangar is almost close to the horizontal line, and it is simply unrealistic to open on the side chord. If a lift in the middle of the hull is used, then this lift is an important safety hazard and takes up the hangar area. " Rogan said.
"This is a question of trade-offs. The larger operating area of the double-layer hangar is still very attractive, so we should continue to study it. Opening a large hole with an area of nearly 150 square meters on the main deck is a huge safety hazard. This problem must be solved, so I think it is possible to set up an internal lift between the two hangars, and a side chord lift for transportation between the upper hangar and the flight deck." Redl thought for a while and said.
"This will still occupy the space of the two-story hangar, and it will also have some impact on the hull structure. For example, we can use an open structure in the upper hangar, but the lower hangar can only use a closed structure. An open hangar is convenient for warming up, has a smaller structural weight, and can quickly discharge smoke or flammable gases if attacked. Personally, I still prefer the open structure of a single-story large hangar." Logan really has no idea. Thinking of it, Redel also has such profound knowledge about aircraft carriers. But now the result of communication is difficult for anyone to convince the other party.
"We can't seem to convince each other." Reidel said helplessly.
"Yes, both options have their own advantages and disadvantages, and detailed data still need to be demonstrated. How about we give up the dispute for the time being? I will not talk about this issue in the report." Rogan made the first decision. In addition to making concessions that are reasonable for both parties, Rogan believes that the other party should also be given a certain amount of respect.
"Well, let's talk about the problem now. If I guess correctly, you should be ready to talk about the issue of carrier-based aircraft, right?" Redel said with a smile.
"You are really sharp-eyed. Can you tell me why you thought of this problem?" Logan said.
"Am I right?" Reidel asked.
"You guessed part of it, but not all of it. There is indeed a problem with the carrier-based aircraft, but it is not just a problem with the carrier-based aircraft." Logan said. "But even so, I still want to hear your views on the current carrier-based aircraft." Logan said.
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