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Ship porn

Swan Hunter at Wallsend.

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Early roro ship in Dieppe Harbour 14 October 1944.

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I love Dieppe, it’s one of the places I’d like to live. That looks like it is just outside 5he old ferry terminal area.
Soviet battleship Parizhkaya Kommuna blowing the shit out of Nazis. Having matching funnels is counter-revolutionary decadence.

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I like how it is moored to a buoy. It gives the impression they were not in a hurry to leave
 
The housemates “new” boat in the harbour full of water with big holes in the hull after they decided to tie it down “really tight” not considering the tide would rise and it would need to float:facepalm::facepalm::facepalm::D

boats full of water and sand are a nightmare to move/lift/trailer




Green paint on boats is frowned upon

it’s gone from a fun summer runaround to a moneypit project
 
tbf, if all your previous boating experience is on a lake or similar then tides are a new factor to consider.

Port Penrhyn in Nth Wales dries with a decent tidal range and if your lines aren't right they can get in a right mess !

Very pleased we moor in a sea-locked marina. They warn us when planning to do a water change (ie let out loads of water at low tide and refill around high tide - sometimes done if the treams coming in have dumped loads of fine silt in the way, but usually done a bit at a time. The marina team also walk the boats several times a day when the weather is foul to check lines etc. They even fetched a catamaran out of the water that was in danger of sinking year before last, salvage pumps are also available if needed. During lockdown they noted our boat needed a top up of electric, so they emailed to remind us.
 
tbf, if all your previous boating experience is on a lake or similar then tides are a new factor to consider.

Port Penrhyn in Nth Wales dries with a decent tidal range and if your lines aren't right they can get in a right mess !

Very pleased we moor in a sea-locked marina. They warn us when planning to do a water change (ie let out loads of water at low tide and refill around high tide - sometimes done if the treams coming in have dumped loads of fine silt in the way, but usually done a bit at a time. The marina team also walk the boats several times a day when the weather is foul to check lines etc. They even fetched a catamaran out of the water that was in danger of sinking year before last, salvage pumps are also available if needed. During lockdown they noted our boat needed a top up of electric, so they emailed to remind us.


My dad's cat is moored at Bucklers Hard marina on pontoons that go up and down with the tide, so no need to care about the tides with regards to the lines...surely only if you tie up to the land it becomes troublesome?
 
our pontoons are retained by some knarly big piles (ie the white tops), but some attachment to the harbour walls is needed ...


MFW - berthed 22oct16 par StoneRoad2013, on ipernity
it's a fascinating subject. I am on a committee to rewrite BS6349-6 "Maritime structures. Design of inshore moorings and floating structures". It's all top secret at the moment, but as soon as we publish it I hope you will all help push it up the best sellers lists ;)

For marina pontoons and link spans, you try to keep the connection to the land to a minimum, so the system in the picture is held in place by the piles, and there will be a ramp to the shore that will have a rolling or sliding bearing to account for the rise and fall of the tide. The design of the hinges between everything is difficult, as there is a lot of fatigue loading. Also the failure of a single component can lead to the loss of a large part of the system and a lot of boats getting damaged.
 
Tell me about it !
Somethimes, especially at night, when on free flow (ie the sea lock is open to change the water) we can hear the links to the bridgeheads "groaning" if the water is slightly rough ...

The two only places I know in the UK that have had trouble recently with these things was a) Holyhead, but that was 'cos a storm ripped the mooring pontoons apart and b) Maryport, when the "flap" gave way during a peak tide and a "tsunami" rolled across the dock. Some boats were damaged when the piles / pontoons did or didn't give way ... very complex case.
 
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