[quote=To be]
Quote:
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Originally Posted by Castout
Additionally, the pump-jet is quieter, but not silent, and has been used on other subs besides the seawolf, such as the British Trafalgar class.
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Not to mention the Russian Kilo submarine
Alrosia.
BTW a pumpjet is not as efficent as a normal prop so if you had two submarines of the same class and one was outfitted with a pump jet it would be eather slower and quieter or noiser due to the higher amount of turns being put on the shaft for the same speed. Pump jets make a sub quieter but at slower speeds, they are by no means a HFRO style "Silent Drive".
