There was a post on face book earlier today that contained the following comments & link...
The quote is from Savetheroyalnay.org
"For those with a more technical interest these are the components of the Wartsila "M" series stern tube seals fitted to HMS Queen Elizabeth. They are designed to be serviced in place on the ship and no need for dry dock. No prop or tail shaft removal needed.
A stern seal face has minor damage, behind this is an emergency inflatable seal. This will be inflated & divers will pack out the stern tube. The rotating faces can then be changed.
BTW since coming alongside the leakage rate has been zero."
https://www.wartsila.com/products/marine-oil-gas/seals-bearings/sealing-solutions/wartsila-stern-tube-seals-water-lubricated
...In other news, the RN has completed the 2nd set of live firing fo Sea Ceptor on T23, HMS Westminster...
https://www.royalnavy.mod.uk/news-and-latest-activity/news/2017/december/20/171220-missile-success-for-hms-westminster-as-second-ship-to-fire-new-sea-ceptor
The quote is from Savetheroyalnay.org
"For those with a more technical interest these are the components of the Wartsila "M" series stern tube seals fitted to HMS Queen Elizabeth. They are designed to be serviced in place on the ship and no need for dry dock. No prop or tail shaft removal needed.
A stern seal face has minor damage, behind this is an emergency inflatable seal. This will be inflated & divers will pack out the stern tube. The rotating faces can then be changed.
BTW since coming alongside the leakage rate has been zero."
https://www.wartsila.com/products/marine-oil-gas/seals-bearings/sealing-solutions/wartsila-stern-tube-seals-water-lubricated
...In other news, the RN has completed the 2nd set of live firing fo Sea Ceptor on T23, HMS Westminster...
https://www.royalnavy.mod.uk/news-and-latest-activity/news/2017/december/20/171220-missile-success-for-hms-westminster-as-second-ship-to-fire-new-sea-ceptor