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  1. #31
    Join Date
    Nov 2007
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    Kingdom of Fife
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    6,079

    Default Re: Submarines' anchors

    Quote Originally Posted by bikedaft View Post
    only if it happens to come up the right way round... they have divers on board
    Only once had a problem with a UK SSN anchor.We had anchor in a quiet spot n the Hebrides to check for damage after an encounter with a trawl wire, we had lost our 'pimple' an experimental sonar. We set off into the Atlantic deep and fast and very quickly we had a loud banging on the keel. The anchor was not fully home. We slowed down and decided the cable was twisted jamming in the hawse pipe. We let out some cable and tried to heave in again. It came in quite freely an extra 100 or so feet and seated in its housing drama over
    Peter

  2. #32
    Join Date
    Nov 2016
    Posts
    2,538

    Default Re: Submarines' anchors

    Quote Originally Posted by maxi77 View Post
    We set off into the Atlantic deep and fast and very quickly we had a loud banging on the keel.
    I'll bet that caused some head-scratching among the assorted 'lurkers and listeners' hanging about.....

  3. #33
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    Nov 2007
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    6,079

    Default Re: Submarines' anchors

    Quote Originally Posted by zoidberg View Post
    I'll bet that caused some head-scratching among the assorted 'lurkers and listeners' hanging about.....
    Caused us a bit of head scratching too. I had hauled the cable in until I heard that reassuring clunk that should have meant it was all in. There was no anchor seated indicator and the cable counter was very inaccurate
    Peter

  4. #34
    Join Date
    Jul 2003
    Posts
    1,163

    Default Re: Submarines' anchors

    Not trying to hijack the thread, but on a similar theme I was at Rhu Marina last weekend and there was quite a bit of submarine activity going on. More than usual. Anyway, I was watching what I believe was one of the Trident subs being escorted up the Gareloch to Faslane and it was like the Harry Potter steam train with all the smoke coming out the err chimney? I assume they have not been converted to steam engines. Just curious. Does anyone know the reason for the smoke?

    Another thing came to mind whilst watching the subs. Do they never hit things like fishing nets? Big fish like whales? Do they just batter through everything that's in front of them regardless, relying on the strength of the construction of the sub to win?

    Sub.jpg

  5. #35
    Join Date
    Mar 2007
    Location
    Atlantic
    Posts
    20,854

    Default Re: Submarines' anchors

    As well as the nuclear plant, submarines are fitted with diesel engine(s) as a back up. What you saw was the Diesel engine exhaust.

    The vessel may have been conducting a 'cold move' from Coulport back to CSB without the reactor supplying propulsion power.

  6. #36
    Join Date
    Mar 2013
    Location
    London
    Posts
    6,373

    Default Re: Submarines' anchors

    Quote Originally Posted by asteven221 View Post
    Not trying to hijack the thread, but on a similar theme I was at Rhu Marina last weekend and there was quite a bit of submarine activity going on. More than usual. Anyway, I was watching what I believe was one of the Trident subs being escorted up the Gareloch to Faslane and it was like the Harry Potter steam train with all the smoke coming out the err chimney? I assume they have not been converted to steam engines. Just curious. Does anyone know the reason for the smoke?

    Another thing came to mind whilst watching the subs. Do they never hit things like fishing nets? Big fish like whales? Do they just batter through everything that's in front of them regardless, relying on the strength of the construction of the sub to win?

    Sub.jpg
    Must have been the admiral's smoko.

  7. #37
    Join Date
    Jul 2003
    Posts
    1,163

    Default Re: Submarines' anchors

    Thanks capnsensible. You clearly know your sub stuff, so what's the answer to my second question? Do they just ram into anything that's in front of them when underwater?

    Geez that smoke was being emitted as per the picture all the way from the Cumbrae (at least). They are going to have to pay a small fortune in congestion charges if they ever decide to venture up the the Thames. Not exactly eco friendly is our nuke deterrent. . Actually I think I have just made the biggest understatement one could possibly make!!

  8. #38
    Join Date
    Oct 2013
    Location
    Shropshire - Sundance, Bristol Channel
    Posts
    1,043

  9. #39
    Join Date
    Mar 2007
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    Atlantic
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    20,854

    Default Re: Submarines' anchors

    Fish move but the nets sadly don't.......

  10. #40
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    Nov 2007
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    Kingdom of Fife
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    6,079

    Default Re: Submarines' anchors

    Quote Originally Posted by asteven221 View Post
    Thanks capnsensible. You clearly know your sub stuff, so what's the answer to my second question? Do they just ram into anything that's in front of them when underwater?

    Geez that smoke was being emitted as per the picture all the way from the Cumbrae (at least). They are going to have to pay a small fortune in congestion charges if they ever decide to venture up the the Thames. Not exactly eco friendly is our nuke deterrent. . Actually I think I have just made the biggest understatement one could possibly make!!
    In reality it is mostly steam from the cooling water injected into the exhaust just like on a yacht though the nature of the snort exhaust system means most of the water is expelled as steam. In the now non existent diesel boats they had surface mufflers in the casing and like a yacht exhaust you had the water telltale
    Peter

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