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China's new nuclear subs are very silent

With China able to producr pumpjet propulsion system for its SSN. Its not hard to believe China submarine technology improves tremendously. Only less than 5 countries able to produce pumpjet system for SSN.
Which 5 countries can produce pumpjet system? I suppose USA, China, Russia, Germany, and who else?
 
Less than 5 countries, USA, UK, Russia and China.

France is in, since they already got the Triomphant class.

I cared more about the pressurized water reactor and large-diameter pressure hull.

Also check China's new SSN with the pump-jet, it actually sailed faster than Liaoning who has a top speed of 32 knots.

The new SSN must have a top speed around 35 knots which is comparable to that of Seawolf/Virginia, so its nuclear reactor must have a groundbreaking improvement from its predecessors.

1UoNCRE.jpg
 
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France is in, since they already got the Triomphant class.



Also check China's new SSN with the pump-jet, it actually sailed faster than Liaoning who has a top speed of 32 knots.

The new SSN must have a top speed around 35 knots which is comparable to that of Seawolf/Virginia, so its nuclear reactor must have a groundbreaking improvement from its predecessors.

1UoNCRE.jpg

How can you tell that the submarine went faster than the Liaoning?
 
How can you tell that the submarine went faster than the Liaoning?

Do you see the water line after both ships? It does mean that both ships are sailing at their maximum speed during the military drill.

Meanwhile, the SSN is the vanguard of the carrier battlegroup, it has to sail no slower than the maximum speed of the aircraft carrier itself.
 
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