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Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble


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    Systems Engineer
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  1. I've got my BSS next week and I've been spending lots of time cleaning the boat out and making it look presentable. TBH it has been way overdue so was a good opportunity to give it a good clean out, it's amazing how many things you find that have been lost for a long while. Can't believe it's the same boat !
  2. I totally agree, it is B******x. But if the boat is over a certain age, insurers insist on a 'Satisfactory' survey for fully comp insurance. And so it is up to the surveyor to determine what minimum hull thickness is acceptable. Maybe when booking a surveyor for an insurance survey you need to ascertain what the minimum hull thickness size is they are willing to accept, and if the answer is not less than 4mm then look for another surveyor ?
  3. Interesting, so the decision to determine whether a boat is insurable or not is influenced by the original thickness of the hull and not the actual thickness eg 3.9mm is ok on a hull originally 4mm but not on a hull originally 6mm ?
  4. So does this mean any slight corrosion on a Springer with 4mm plate would take the thickness below 4mm and hence rendering the vessel uninsurable ?
  5. I've seen overplating using 4mm plate advertised which seems a bit short sighted with 4mm being what the surveyors consider as being the minimum thickness
  6. Kitchen foil is excellent at deflecting heat although it wouldn't look too great
  7. Thanks for the replies My main concern was the possibility of there being water in the cavity between the overplate and the hull, which would cause corrosion on the unprotected surfaces which would slowley get worse over time. As long as the cavity is dry then all is good (for now). Also, having the ability to check if there's water between the hull and overplate in the future is a re-assurance and if this is done prior to docking for blacking then arrangements can be made to repair if there are any breachs.
  8. A hull insurance survey on my overplated boat a few years ago revealed that some of the welds of the overplating were 'undercut' and needed re-welding. Surveyor wanted the cavity of the overplating pressurised after the work to test it's integrity. However, the boatyard doing the work recommended against this as it risked damaging the overplating. In the end the work was done without pressurising and opted for 3rd party insurance instead as the boat is quite old now anyway. So I was wondering the best method of checking the integrity of the cavity which obviously means penetrating the overplating from either the outside or within the boat. In the end I decided to drill a small hole from the inside of the boat to the cavity whilst the boat was in the water which would show if there was a leak from the outside. I was ready to quickly tap the hole if water was present and plug up using a countersunk pin. There are 6 main areas of overplating on the boat so located a point inside the boat for each , below the waterline and drilled a small hole in each. I put some tape on the drill to give me an idea when the drill had passed through the hull itself. I was half expecting there to be some breach in the welds but as it happened each cavity was completly dry with no water at all which I was relieved at. So I tapped each hole and put a countersunk pin in each that can be readily removed when testing the integrity again, probably prior to taking the boat out for blacking so any breach can be addressed also. Has anyone else done this to their overplated boat ?
  9. Has anyone mentioned 'Fan-y-Big' in the Brecons,'Waun Fach' or 'Lord Hereford's Knob' in the Black Mountains ?
  10. Joking aside , I was suprised to hear how common it is in this country, I remember the outbreak in 2000 and it was quite devestating. "There are understood to have been 16 cases in the UK since 2011, with the last in 2015 when farming officials confirmed a case of BSE in Carmarthenshire, Wales. "
  11. There is a rattling noise from the gearbox/driveplate area on my boat, I've had the noise for 2 years now. Gearbox is a borg warner 71C and acts as the front engine mounts so taking it apart in situ is not an option, I think the engine will need removing. I have parts replacement cover with RCR but they will only attend on a complete failure so have the choice of either sorting it out myself or waiting until failure and contacting RCR.
  12. I've used interzone 954 and their data sheet just specifies a hard dry time of 18 hrs @15C and 8 hrs @23C it doesn't mention any additional time to cure apart from this For the record there were 24hrs between coats and immersion in water.
  13. I read a book once that states the lifespan of a narrowboat engine is between 10 to 20 years. I suppose it all depends on amount of usage and maintenance.
  14. Ok, thanks for that. It does say ' continued cure under immersed conditions' which I assumed would be full immersion but it does state tidal which obviously isn't relevant to my situation. It states 18 hours for hard dry at 15C so will stick to this next time. Thanks again.
  15. My local chandlery only had one 2 pack epoxy in stock, interzone 954. Read up on it's performance and it was quite encouraging so decided to use it on my boat. I did the preperation myself as the dock doesn't allow blasting, it was quite time consuming but got the important areas covered in the end ie. waterline, weld seams, badly pitted areas etc. It's been on 2 years now and there are no visible signs of any failure. It's going back in the dock in July so I should have a better idea of it's performance and treat some of the areas that didn't get done last time. No need to worry about drying times with 954, it cures underwater so a coat can even be put on prior to it going back in the water.
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