A question for the nukes out there. It's the job of the shaft seals to stop water entering the people tank where the shaft penetrates the hull. It does this by using pressurised water from the auxilliary seawater system to leak "outwards". My question is, what happens if the pump fails? Is there a chicken switch to seal the shaft more completely possibly at the loss of propulsion? Thanks for any help.
Great site, btw.
Nick