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HANGOR-CLASS SUBMARINES: 8 planned Chinese-origin Hangor-class (Type 039-based) submarines

27,806 просмотров • 1 день назад •via X (Twitter)

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Why I say Japanese submarines are so dangerous and quieter than many nuclear submarines Conventional diesel-electric submarines are normally quieter than nuclear ones only at very low speeds, typically up to around 2-7 knots. Above that speed they quickly become noisy, while modern nuclear submarines can maintain excellent stealth up to about 20 knots. The British Astute-class, the Virginia Class and probably the French Suffren-class are said to remain among the quietest submarines in the world even at speeds close to 22-25 knots, behind only of the super quieter SeaWolf. So what does this have to do with Japanese submarines? The latest Japanese Subs represent such a leap in technology that they can stay extremely quiet up to 15 knots or more, a figure that gets remarkably close to modern nuclear submarines and is clearly superior to older nuclear classes. On top of that, these Japanese submarines are equipped with AIP and advanced lithium-ion batteries in the Taigei-class, allowing them to remain submerged for 15–20 days at low speed. When solid-state batteries enter service in the next generation, that endurance will practically double and this is scheduled to happen before 2030. Imagine how many daily patrols an adversary would need to track something that can disappear for weeks and need only few hours to recharge on surface. In regional scenarios (Indo-Pacific, East China Sea, Taiwan Strait), the Japanese strategy is perfectly suited, and maintenance costs are far lower than those of nuclear submarines. It is no coincidence that Israel has become a customer and ordered several of these boats. Submarines are a state of art for Japanese.

Patricia Marins

1,448,631 просмотров • 6 месяцев назад