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Profile | Posted by | Options | Post Date |
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AnninGlos | Report | 19 Dec 2017 14:18 |
Our brand new aircraft carrier has sprung a leak :-( :-( |
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RolloTheRed | Report | 19 Dec 2017 15:30 |
The usual cause of a shaft seal leak is that the engine mountings are not correctly aligned - the tolerances are extremely tight. Any leaks will get worse and if ignored will result in "no engines". These leaks never show up until the vessel is under way. |
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Mayfield | Report | 19 Dec 2017 15:58 |
"Na thats all right guvnor it'll bed in with wear" "I'll just nip the gland up a bit wiv me grips" ;-) |
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RolloTheRed | Report | 19 Dec 2017 16:49 |
that might have worked ok for Para Handy and the "Vital Spark" or even "Compass Rose" but this time there is going to be serious passing of the buck. |
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maggiewinchester | Report | 19 Dec 2017 18:11 |
It's quite a common occurrence - not just with boats, but any construction - hence 'snagging'. |
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RolloTheRed | Report | 19 Dec 2017 18:42 |
the leak is trivial in the context of the size of the ship and bilge pump capacity. otoh sea trials are designed to detect these problems prior to handover from the builders BAe. |
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maggiewinchester | Report | 19 Dec 2017 19:38 |
No, it is 'snagging', and they hope to be able to fix it without going into dry dock. |
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Sue In Yorkshire. | Report | 19 Dec 2017 20:21 |
Seeing as the damn ship cost £3.1 billion.you would have thought the shipbuilders could have got it right 1st time. |
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RolloTheRed | Report | 19 Dec 2017 22:21 |
,"snagging" is just a shipyard term for faults to fix list. |
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GeordiePride | Report | 19 Dec 2017 22:52 |
I can't remember this happening at Swan Hunter. Shaft alignment and seals were of the utmost importance in all ships and engineers made sure they were fitted perfectly. |
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Bobtanian | Report | 20 Dec 2017 00:40 |
Hmmm Lignum vitae, to the rescue methinks..(if that is where the leaks are...) |
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maggiewinchester | Report | 20 Dec 2017 09:16 |
That's explained in the article I've put a link to, Bob. |
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Bobtanian | Report | 20 Dec 2017 16:18 |
thought snagging was primarily assigned to nylons. stockings, tights, and the like! |
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RolloTheRed | Report | 20 Dec 2017 18:02 |
Bobtarian, you are RIGHT! |
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Bobtanian | Report | 20 Dec 2017 19:52 |
I thought the Mary Rose fell over because of overloading in the artillery sense? |
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GeordiePride | Report | 20 Dec 2017 20:14 |
It's possible that the Mary Rose might have survived if heavy lead ballast had been placed inside the vessel along its keel line or (and) if the vessel had been built much wider. |