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clive
Senior Member Joined: 11 December 2006 Location: United Kingdom Status: Offline Points: 379 |
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Good idea.
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masbie something in the water. www.freewebs.com/masb32/
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d-zine
Senior Member Joined: 15 May 2006 Location: United Kingdom Status: Offline Points: 176 |
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Hi Barnacle,
Just to tidy things up and because I like pictures I have attached an Image of HMS KEPPEL who was instrumental in the attempted rescue of 2754 as advised by yourself. Edited by d-zine |
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d-zine
Senior Member Joined: 15 May 2006 Location: United Kingdom Status: Offline Points: 176 |
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Hi again,
Another photo from 2 weeks ago taken from the Starboard Bow. Edited by d-zine |
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barnacle
Groupie Joined: 16 June 2007 Location: United Kingdom Status: Offline Points: 69 |
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if i remember correctly, the 2 layers of the hull planking had a sandwich of white lead paste and calico fabric between them didnt they?
ahhh The Keppel, thats the beast... thanks for that d-zine |
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d-zine
Senior Member Joined: 15 May 2006 Location: United Kingdom Status: Offline Points: 176 |
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Barnacle,
You can still see the calico when the joints are raked out, it no longer serves as a water impermeable barrier as you can now see through from the inside of the hull i.e pin pricks of light at some points where the planking crosses. |
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d-zine
Senior Member Joined: 15 May 2006 Location: United Kingdom Status: Offline Points: 176 |
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Hi NEU, Thinking about your comment on the shrinkage of the planks, which is why it has taken me so long to reply. You got me worried you silly s'x'd. If the planks are 150mm wide and the joints are nominally 3-5mm then shrinkage is max 5% or 2.5mm from either side. As I have seen no sign of tearing or elongation of the fixing holes within the planks I am going to assume as it should be that this sort of movement was accomodated for in the original design and detailing of these boats.
If I am wrong then she won't be Flywood she will be lots of bits of wood floating in the overall shape of a boat. Time will tell. RAFWEBFOOT, what was the RAF line as regards operating these boats in a hot climate to manage shrinkage within the timber, were they kept moist or were they allowed to dry and then refered to as 67ft RTTL's? Edited by Pioneer |
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northeastuser
Senior Member Joined: 10 June 2006 Location: United Kingdom Status: Offline Points: 446 |
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yes thinking about it myself I think your probibly right.sorry. joints at 3.5 mm? I thought these things were planked up tight? |
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dgray
Senior Member Joined: 24 November 2005 Location: United Kingdom Status: Offline Points: 580 |
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Some planks on my ST had dried out to 3 or 4mm last summer with no damage. They closed up to about 1mm in the winter as the ambient humitity sorted it. I'd hesitate to paint her if she's too dry as it may stop the timbers swelling.
Edited by dgray |
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Don
Only a number, not even a name. How shall posterity hear of thy fame? |
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AndyS
Groupie Joined: 09 July 2006 Location: United Kingdom Status: Offline Points: 81 |
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Originally they were planked up tight over doped calico. Unfortunately over time the planks tend not to take up again so well so calking of some type will normally be required to fill the gaps and make the boat watertight. Repeated cycling should be controlled if possible.
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d-zine
Senior Member Joined: 15 May 2006 Location: United Kingdom Status: Offline Points: 176 |
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Hi,
Just received the following image of 2753 in service out in Gibraltar between 72-74. The image is courtesy of Paul Mason and the Newhaven Local & Maritime History Museum. If you look closely at the original photo you can just start to make out the planking. |
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