Chapter 990 Engine Defects (Additional Update 1)

"Comrade Simonov, I am also very happy to see our latest generation of fighter jets about to enter service." Andrei looked up at the sky. The fighter jet that had just left looked quite similar to the later T-50 from the outside. It could be said that they had reached the same destination by different means.

"Yes, the most important thing for our generation of fighters is to achieve a good combination of stealth performance and combat performance, and all of this has been achieved on our fighters." Simonov said: "Although the stealth performance is not as good as that of the Mikoyan Design Bureau, it is also unmatched by our current fighters."

Stealth, an important criterion for measuring advanced fighters, has been achieved by Soviet fighters so far. They did not use the sci-fi plasma stealth technology, but adopted the shape and coating scheme. Now, the aircraft is still yellow because there is no coating. After the coating, the aircraft will become a gray-black fighter!

Andre nodded: "The future sky belongs to stealth aircraft. We must make great strides forward and continue to defeat Western fighters with a crushing attitude."

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A crushing attitude! Back then, when Andrei flew the MiG-25, it was considered a crushing victory, but only pilots like Andrei could fly it. Now, any Soviet pilot can fly it in a crushing manner. Equipment is not omnipotent, but without advanced equipment, you will fall behind and get beaten on the battlefield!

"Yes, Marshal Andrei, you are absolutely right," Simonov said. "We are able to achieve what we have today thanks to your help."

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Andrei shook his head. All this was for the Soviets!

"It seems that the aircraft of the Mikoyan Design Bureau still has many difficulties that cannot be overcome?" Andrei asked Simonov: "Now, why can our fighter planes be tested and finalized so quickly?"

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Andre suddenly had such a question. After all, they are all fighters of the same generation, and technically, they should have many common problems!

After hearing Andrei's words, Simonov felt a little embarrassed: "This is mainly because we lowered our targets. We originally planned to use the Al-41 engine, but until now, we have not been able to receive a qualified engine, so we can only use the D-30F-6M engine for the time being. Although the thrust is enough for us to use, the fuel consumption rate is still higher."

Suddenly, Andre was speechless.

Developing a brand new engine is not an easy task. Relying on the Soviet Union's technological strength, it is quite difficult to break through the thrust-to-weight ratio of 11. In later history, the Al-41 has never been truly realized. Even if the Soviet Union had not disintegrated, it would take at least ten years for this engine to mature.

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Later, when Russia was developing the T-50 after the disintegration of the Soviet Union, it still encountered engine problems. The so-called F117S was not a new engine in the true sense, but a patched-up version of the Al31. The Al41 engine of later generations was no longer the engine with advanced technical indicators of the Soviet era.

The Soviet Union is still facing problems with its engines, and in order to get the Su-37 into the sky as quickly as possible, the Sukhoi Design Bureau cannot wait for the Al-41 and can only use the D-30F-6M engine instead!

This engine is also mature, because it is the engine used by the MiG-31. It is modified based on the D-30F-6 twin-rotor turbofan engine developed by the Soloviev Design Bureau. This prototype engine has a single afterburner thrust of 152 kN and a maximum thrust of 93 kN without afterburner. The engine thrust-to-weight ratio is 6.6, the bypass ratio is 0.4, the fuel consumption without afterburner is 0.073 kg/N-hour, and the fuel consumption with afterburner is 0.194 kg/N-hour.

The size of this engine is very similar to Al41, so it can be replaced. Moreover, after improvements, the thrust with afterburner has been increased to 170 kN, and the thrust without afterburner has exceeded 100 kN. When installed on the Su-37, there is no problem in improving the maneuverability of the fighter. The only difference is that it is more fuel-consuming!

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In later generations, the S-37 Golden Eagle's test flight was equipped with this type of engine!

The Navy is very eager to get this kind of fighter, so it can only use this engine as a temporary substitute, while the Air Force hopes that the performance of the MiG-1.44 will not be compromised, so the MiG-1.44 is still waiting for the Al41 engine!

Andre expressed his understanding.

"Apart from the engine, are there other areas where standards have been lowered?" Andre asked.

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An airplane is mainly composed of three parts: the fuselage, avionics, and engine. Each of the three accounts for about one-third of the total cost of the aircraft. Now, the problem with the engine has been temporarily replaced by another engine, and the fuselage does not seem to have any major problems. Another major aspect is the avionics!

Hearing Andrei's question, Simonov said: "The only problem we are facing now is the engine. Apart from the engine, other projects are progressing smoothly, especially our avionics system. Now, our radar has completed the development of active phased array radar. The radar installed on the aircraft is now a full-state active phased array radar."

Active phased array radar! This is the future development direction of radar, because this kind of radar can change the beam at any time, focusing all the beams in one direction, which is more helpful to detect stealth aircraft. Moreover, if some of the components are damaged, the radar can still be used, and the redundancy is very high.

The Soviet electronic technology was originally backward, but after absorbing the advanced electronic technology of the island countries, coupled with the advantages of the Soviet economic system, it was able to invest a lot of money in research and development, so the T/R components had long since achieved a breakthrough. Now, this active phased array radar has been installed!

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After all, the active phased array radar of the United States in later generations was also developed after introducing technology from the island country! Now, the United States has fallen behind the Soviet Union in this regard!

Andre was very happy. At this time, there was another roar in the sky and he could see the fighter plane flying over gracefully.

"What subject are we testing today?" Andre asked.

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"Recovery after entering a spin," Simonov said.

Stall spin? Andre was stunned. This subject was quite dangerous! After all, stall spin has been a problem that has troubled every pilot since the birth of the aircraft. Moreover, even after rigorous training, half of the pilots cannot successfully recover from it, and the aircraft is destroyed and the pilots die!