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  1. Since the hype on these things is still going strong I had a rummage in the steel scrap bin and made an ersatz version which took all of 15 mins. I tested it out with 12 nuts of Stoveglow and it burnt for 7.5 hours for a medium heat on a not very cold night, the next night I put 12 nuts of the same in a pyramid on the grate and they burnt for 5.5 hrs on the same air control, so taking into account the variables and only one test result that was mostly by eye as to the end of timing, no significant difference. Having said that I tested it out with house coal and i did see an
  2. On the low end shells they are now doing without any cabin framing and relying on spray foam to stop it wobbling like a big jelly. I saw a widebeam the other day where the roof sheets were only welded on the inside and the outside was just left butted up.
  3. I've often wondered about that , it looks like they haven't finished it or couldn't be bothered to ( I worked in welding and fabrication ) and the effort required to taper the roof sheet and pull the cabin sides in to follow the gunwale is a couple of hours work .
  4. Probably this cabin extension ? Seems to have been built without knowing bridge holes are arched ?
  5. Saw this extension put on the stern , not only sticking out 3 ft past the tiller but square ended as well. Will this be seen jammed in a winding hole near you soon ? Good or bad idea ? After and before pictures.
  6. Microscopic oxides left over from wire brushing pitted steel don't need to be converted, the paint system excludes the oxygen and stops any further rusting. When you say it worked very well what do you mean , what did it actually do that just painting didn't ? Is Rust Converter Harmful If Ingested? Yes, Rust Converter contains tannic acid. You should immediately get medical attention. https://www.promain.co.uk/blog/rust-converter-faqs/
  7. Pretty sure that tannic acid rust converters are not safe for drinking water.
  8. The point is that you don't need to use it in the first place not that some people have used it and think its great, in most areas you can easily remove the rust before painting, if you're using it on bare steel you have wire brushed there are no oxides there to "convert ". The only reason to use it is to stabilise an area of rust you can't remove and prep for painting.
  9. I've never understood why boat builders don't fit welded chimney collars, its cheaper, easier and free of potential leaks, the cast iron collar was designed for wooden boats ( which is why it has square holes for coach bolts ) I just think no one has bothered to think about it and its a tradition. My experience of various boats is that the chimney collar is a common source of leaks and repair jobs. If you wanted the traditional look of a cast iron collar then fabricate one from steel plate and tube and weld it on ?
  10. I've watched a couple of blogs on YouTube where the narrow boat owners have wasted their time and money applying rust converters like Vactan when its not necessary, it seems to me that some boaters don't understand what it is designed for. One blogger applied it to the inside of their water tank and the other applied it after wire brushing off rust and before priming with an oxide primer. As far as I understand it ( and I have consulted the manufacturers ) tannic acid / polymer based products like Vactan are designed to protect steel work that cannot be accessed for pa
  11. Go for a welded on collar then you have no potential for future leaks when the sealant on a separate cast iron collar inevitably degrades .
  12. Most of the advice on this forum is by people that have no idea what they're talking about but just feel the need to comment, so take it with a pinch of salt.
  13. I made my last flue from offcuts of 1 mm thick stainless tube I had lying about, I expected it to just be temporary but in fact there is no corrosion or thinning over the last three or four years and the thin wall radiates heat into the cabin as soon as the fire is lit, there is significantly less heat being lost up the chimney and the draft hasn't suffered, I personally wouldn't go back to thick wall steel flue.
  14. I used to run a secondhand goods small business, I've heard every trick in the book and that one is a common one, they are trying to make you feel sorry for them because its not what THEY want, my response to those kind of offers was " you're right it wouldn't suit you , goodbye" .
  15. Cut some strips of 4 mm ply as wide as the flue pipe then arrange the pieces to the angles you need to fit your installation, fix the pattern together and from that you can work out the angles required to cut the pipe, remember that you need equal angles on both ends if you want them to marry up neatly.
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