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Chapter three hundred and sixty seventh aircraft carrier new plan

"Mr. President, our other work is progressing smoothly. The new optical reduction equipment ordered from the United States has been installed in place." Liu Taoshan, the chief engineer in charge of the entire restoration project and an old shipman in the Eastern country, said to Mhamad.

Mhamad nodded excitedly. He knew that it was extremely dangerous for carrier-based aircraft to land on aircraft carriers. In addition to relying on pilot technology, it also required various advanced auxiliary means, such as optical landing assistance equipment, which is very important.

"Well, it's very good." Mhamad said: "If a carrier-based aircraft wants to compare land fighter jets, the most important thing is to take off and land on the aircraft carrier."

"We have solved the problem of landing, but the problem of takeoff cannot be solved as you said." Liu Taoshan said to Mhamad.

"Why?" asked Mhamad.

According to Mhamad's idea, the catapult is used to accelerate first. After the catapult is accelerated, it will take off from the front leap deck. This can combine the two advantages of the catapult and the leap deck. In the case of insufficient power of the catapult, this is the only way to take off the tomcat.

"Because, the jump deck cannot be extended only in front of the original deck, and it must gradually slide upward from the middle of the takeoff." Liu Taoshan said.

His words immediately made Mhamad understand.

If you want to eject and take off, the catapult must be straight and the deck must be flat. If you want to jump and take off, the deck will gradually climb higher and higher from the middle of the takeoff, and finally reach the required angle. The two are contradictory.

In later generations, although the Soviet Ulyanovsk aircraft carrier also used two takeoff methods to combine, it used ejection takeoff on the oblique deck and jumping on the bow deck, and the two did not integrate.

If you want to use these two together, that won't work.

"If you want to integrate them together, there are only two solutions. The first is to completely lengthen the deck of the ship's bow, extend it for more than 30 meters, and make a jump deck. The second is to move the catapult backward and all the way to the middle of the deck." Liu Taoshan continued: "But both have congenital defects. If the deck is moved forward, it will cause the front and rear weight imbalance of our warship. In the event of strong winds and waves, the bow will sink severely. If the weight of the rear deck is increased at the same time, it will lead to an increase in the weight of the upper layer and there will be a risk of overturning. The second is to move the catapult backward, which will cause serious interference to occur for operations on the deck."

Liu Taoshan explained the shortcomings of the two situations clearly. After repeated deductions, neither of these situations can solve the existing problems. In other words, the plan proposed by Mhamad is completely unworkable.

Hearing Liu Taoshan's words, Mhamad nodded: "Indeed, we only have one choice, either catapult or jump."

"We have designed two new solutions for two options. Now it depends on your choice." Liu Taoshan said.

Either use a catapult to abandon the leapfrog, or completely modify the front deck and only have the leapfrog function.

If Mhamad had to choose, Mhamad had no second choice, it must be a catapult, because only the catapult can take off the e-2 early warning aircraft. Without the early warning aircraft, the combat effectiveness of the aircraft carrier will be greatly reduced.

"Use the catapult." Mhamad said: "This way, there are minimal modifications to the deck."

The catapult is a better choice compared with the two. In addition to early warning aircraft, the deck is straight. In this way, the space on the bow can also be temporarily stopped at the aircraft. The Kuznetsov originally had a large displacement of the aircraft, but the jump deck occupied the space of the head, which made the carrier-based aircraft unable to be arranged at the bow. The deck space was limited, so the aircraft had to be dragged out from the hangar first, which would lead to reduced efficiency.

"Okay, then we will use the catapult solution, but I have a new idea." Liu Taoshan continued.

"What's your thought?" asked Mhamad.

"The catapults are all from one section after another. What we are now ordering is the c-11 catapult. It has arrived. We can order a few more sections as a backup. Then, behind the deck, dig out the trough. In this way, we can put two more sections down, and the length of our catapult will increase. The increase in length can increase more catapult capabilities.

Just like the barrel, the longer the barrel, the longer the energy of gunpowder will be released, and the greater the initial velocity the shell has.

The c-11 catapult, as an excellent catapult designed by the United States, can originally increase the length.

"Well, this idea is good," Mhamad said. "But the length of the catapult is only one aspect, and we have to consider other issues."

In addition to this piston and cylinder, catapults are more important. They also have tanks that store high-pressure steam. In later generations, China was unable to build their own catapults for a long time, which has a lot to do with this storage tank. Because it has to withstand considerable pressure, this tank is a large-sized high-pressure container. In chemical, nuclear industry, energy and aerospace technology, the advanced nature of this tank reflects the level of a country's heavy industry.

Although the canning materials, manufacturing equipment and welding processes have strict requirements, and the manufacturing difficulty is even greater when used in aircraft carrier catapults. It is made of heat-resistant special alloy steel, with good creep performance and tensile strength, and it also has to withstand hundreds of thousands of cycles of ejection pressurization and pressure relief fatigue.

For example, the commonly used method is to use a steel pestle to pass through the steel ingot, repeatedly forging and press it into a link shape, and after turning, several links are welded into a cylinder, and the sealing heads on both sides are pressed out as a whole or block-type by a hydraulic press of more than 10,000 tons, and then welded after cutting and processing. This difficulty is even greater than the cylinder of the catapult.

A simple gas storage tank can reflect a country's industrial level. Mhamad attaches great importance to this aspect. He knows that if the cylinder is lengthened, if there is not enough steam, the goal of increasing the catapult power will still not be achieved.

"The other difficulty is the gas storage tank." Liu Daoshan continued to say: "If we want to build a large gas storage tank, we may not be able to build it. But now, we just need to connect a small gas storage tank in parallel to the original gas storage tank. The capacity is enough to use a few extra cylinders, and we are sure to build it."

Hearing this, Mhamad was immediately delighted. This is also a simple solution. On the basis of the original, add a small solution to the problem!

The difficulty of manufacturing a steam storage tank is relatively high, mainly determined by the diameter of the tank. When the diameter is small, the difficulty of manufacturing a steam storage tank that bears the same pressure will decrease significantly.

In this way, the catapult problem was finally solved!

"Through our methods, we can ensure that the Tomcat fighter takes off from the aircraft carrier, but it cannot take off at full load. If you want to continue taking off at full load, you have to think of another way, such as increasing the thrust of the Tomcat fighter's engine." Liu Taoshan said to Mhamad.

Increase thrust! Mhamad is solving this plan! Negotiations with the Americans will definitely be reached in the end. When the f110 engine with greater thrust is used, the dependence on the catapult will definitely be reduced!

There is a big performance gap between taking off with full load and being able to take off. For example, in later generations, my country's J-15 was able to take off from the Liaoning, but it took off in half oil, and could only carry a C-602 air-to-ship missile, and it only had a combat radius of 250 nautical miles. Although the fuselage of the J-15 was very excellent, it was limited by insufficient takeoff power.

"Well, let's follow your plan." Mhamad said: "You are all experts, only I am a layman."

"In addition to catapults, there is another problem," Liu Taoshan said: "It is the lift problem of the aircraft carrier."

The aircraft carrier fighter jets are usually stored in the hangar below, and maintenance is also in the hangar. Therefore, when needed, they have to be lifted from the hangar, which involves lifts.

Later aircraft carriers in the United States were all side-side lifts, so that they would not interfere with deck operations while lifting and landing, and they would not be affected by takeoff and landing.

However, Pakistan's current aircraft carrier is a retired aircraft carrier from the United States, and was converted into an oblique deck from the aircraft carrier that was directly connected to an oblique deck. By the time it was retired, there were only two catapults on the head of the ship. There were no catapults on the oblique deck. Apart from this, what was even more inconvenient was that one of the elevators was just between the two catapults that took off!

That's right, it's the middle. The American direct deck was lifted at this position. Now, this elevator has become useless. When it works, the take-off fighter plane cannot be ejected on the deck. This is a big pit, and after the plane is transported, it will also interfere with the catapult work.

Since it is a useless person, it is better to block it completely! This is what Liu Taoshan means. With the extra space below, you can also put down an additional fighter plane!

After hearing Liu Taoshan's description, Mhamad said: "Okay, let's take the plan you mentioned! Our first aircraft carrier is experimental. If it is inconvenient, we will change it again!"
Chapter completed!
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