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Everything posted by vaddoc
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Dying/coloring rope; sources for purchase of quality rope
vaddoc replied to Tomculb's topic in Masting, rigging and sails
I d second making your own rope. Great fun, great rope. -
Ok, so both planks got steamed positioned into place. Definitely worth doing, they now follow the hull much closer. The next photo does not capture it well but the plank really has taken the shape of the hull. However, this means that their dimensions changed slightly. Because they sit closer to the hull, they appear slightly longer so a tiny bit of sanding at the bow end was needed. However, after I had pretty much finished screwing the planks in place, I realised that the bow end in both sides did not fit well. I cannot explain this, before steaming they were both pretty spot on. I guess this is something I ll have to live with, maybe the filler will make it look better. Now, another issue was the bow end of the planks. Clearly they do not end up at the same height. So the plank came off, sanded and re installed-this is prior to final screwing. It is better now Another area that needed attention was the joint with the stealer. In both sides the plank was sitting too low So I used a very thin shim of wood and things improved A few photos of the hull as it is now So far so good but now there is a new problem. This is actually something I had been concerned about even when I was lofting the boat on CAD. The next plank at the stern will lie horizontally but somehow will need to mate with the previous plank that lies vertical. This is the reason that I have not glued the planks so far, so I can remove if needed. So, I just put a piece of card to check things...interesting. This will need wood for the template, not card. Regards Vaddoc
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Brian, indeed a treat to follow your build. Wonderful work! Looking forward for the rest of the journey.
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Many thanks to all for your comments and likes! GL, the planks will accept to be bent up to a point but will not accept to be twisted. This is 2.2 mm beech, a hard and sturdy wood. This plank as well as the garboard has a lot of twist, this is why all these clamps are needed-still the plank does not sit well, it lifts in the middle. Also, I do not trust the frames too much, the plywood proved a poor choice and actually I should have used more frames but I cut corners a bit. I d like to have as little pressure as possible. Even wetting the beech will drastically improve its response to bending/twisting but since I have my steam box ready to go, I ll steam the wood thoroughly-it will bend like made of dough!
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Bruce thank you for your kind words, it is certainly worth it. After countless attempts, the starboard plank is done but I am a broken man! I ve never had such difficulty producing a plank. It is however a very complex shape and due to the twist along its axis both at the bow and stern, even tiny changes in the shape or even the width of the plank, bring on massive changes to the fit. Some photos to show the end result-both planks were difficult but the starboard one almost defeated me. The planks can be edge bent a little so the gaps will close further. That was more than enough for today. Tomorrow I ll steam the planks and install them again with screws. The reason is that while this plank finishes vertical at the sternpost, the next one will finish horizontal an the transom so at the stern, the two planks will meet at 90 degree angle. Maybe some adjustments will be needed but I will not know until I start work on the next plank. Regards Vaddoc
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Time for another post, unfortunately not a lot of progress as I run into difficulties. Moab and GL thank you for your kind words, a pleasure to have you on this journey! After infinite trouble, I managed to produce a half decent port plank. I think I made 3 templates and 4 planks, thankfully the last one was acceptable. This is by far the most difficult plank. It has a significant twist, it needs to fit with the stealer, it is long and narrow towards the bow and it is very easy for the paper pattern to distort. But I also now need to make the starboard one. Again, I immediately run into the same problems. After a few failed attempts, I decided to use 2 mm thick cardboard and then to use shorter segments. Finally, I ended up with a promising template. I marked the other edge of the plank measuring from the sheer, to make sure one side mirrors the other. This is the outline of the plank on the sheet. Incredibly, it is almost identical to the port plank Ya...right. It did not fit! This is properly difficult. Another issue is that despite using a very sharp knife, the blade still follows a bit the grain so the cut edge is a bit wavy. Honestly, I believe that cutting a full scale plank should be easier. So, I ll use this failed plank to make a new pattern and try again. I am a bit concerned I do not have enough wood, provided my next attempt will be successful I will have used a whole 100 x 1000mm sheet to make just two planks. However, the rest of the planks should be easier to make. Vaddoc
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I must confess I am having too much fun! Risking the Admiral's wrath I did some work today. First I installed the two stealers. The port plank I steamed and fitted was a rejected version, somehow it sneaked in and replaced the correct one. I realised this and found the correct plank on the work bench. I just soaked it in water for a few minutes and then the plank easily bent into position. I just temporarily screwed the planks in place in case they need to be removed to deepen the rabet. Next, I started making the template for the first broad strake. I was very careful not to edge bend the paper. Again, I am only interested in the upper (bottom) edge that meets the garboard and stealer, the other edge will be defined later. This was the result. The plank is 55 cm long - they will get much longer. Note that the plank is almost straight, as were the garboard and the stealer. So far the initial planning of the planks seems to be working. Then, I measured and transferred the distances at all stations and connected the dots with a fair curve. I also cut the paper template to roughly the shape of the plank, I think it looks ok. It is 23:00 in England so I called it a day, cutting planks is a delicate job. I should have ordered twice as many beech sheets, I was very conservative in my initial estimate of the wood needed, there is the potential for a lot of wasted wood. Vaddoc
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Looks fantastic Hakan. This dark shade really lifts the model, I like it a lot. You could consider using treenails for those stringers, would be more secure and easier than glue. Now, if I could take a guess, is your next boat a pilot cutter?
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Some more work done, time for another post. I installed both garboards, even after steaming some pressure was needed to get them fully into position. Initially I used 1 mm screws to keep the planks in the correct position and then gradually replaced with treenails. I had to deepen the rabet, at places quite a lot. I am not too happy with the bow end of the port plank, it should be spot on but now there is a bit of a gap. Oh well, a bit of filler never did any harm! Then I moved on to the next plank which I think should be the stealer. So, first a defined the shape that the first broad strake should have. This plank, up to a point, it follows the edge of the garboard but at some point it deviates and this is where the stealer starts. The stealer will not have a pointy end but a square one which will sit within the first broad plank. So things should look something like this: The position where the two plank ends meet should be here Then I laid a baten to define a fair upper edge for the stealer However, when I cut the plank template it does not look right. It seems it needs shortening by one frame. So that is what I did. It looks much better now. I had to make sure that the first broad plank, which now will be longer, will not be too wide for the curve it must negotiate but it looks fine. Ten I cut the stealer. With a bit of adjustment, it fitted fine. Now, at this point I was curious whether this plank would fit on the other side. It should, as the upper edge of the garboard should be finishing at the same point at all frames in both sides. Well, it does! Then I made the other stealer which also came out fine So all looks good so far. However, today I remembered some more planking tricks and tips. It is coming back to me as I progress. After the plank is cut, minor adjustments can be done by scraping the edge of the plank with the knife. It works like a plane. But also, again using the knife as scraper, the other edge of the plank needs to be "planed" into a fair curve to make it easier to mate with next plank without gaps. Further more, the plank can be cut with the scroll saw to just out of the line and then with the knife plane down to the line. For this to work, very sharp blades are needed so I change mine very often. Regards to all Vaddoc
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Jim and to everyone that hit the like button, many thanks! I think time for another small post. I ve been thinking how to attach the planks to the frames, for the Yawl I ll use threaded brass wire but I do not think this will be possible for this boat, I do not trust the plywood frames to hold the threads securely. So I am thinking of using treenails, like I did with the Deben. I think I ll need 1500-2000 (including wastage) for the outer planking alone so I sat down to make them. I used the needle method, in the past I ve made many thousand of treenails. I used a small log a friend gave me a couple of years ago, I am not sure what tree it came from, either hawthorn or hornbeam. It is a hard and strong wood though. It took a while to make things work, I kept burning the wood but with a bit of trial and error I managed to get things working. I cut thin discs and drilled the tree nails. Then I sanded the back and released the nails. The heartwood was very hard and the sapwood at areas seemed to have deposits that clogged the needle. I was not too happy with the first bunch, they were quite short. I sorted the nails according to colour, I ll use the lighter ones that are more plentiful. The darker ones are from the heartwood, denser and stronger but even the lighter ones are very strong. In the next photo they don't seem a lot but actually they are more than 800. Then I sat down and made a few more, this time longer and better. This time I made close to 2000, so I should have enough to start planking. So time to steam the planks! The garboards are the more difficult to fit, the twist of the plank is significant and really the clamps are difficult to be positioned securely. My steamer worked brilliantly and despite taking a long time to fit the plank so that it cooled down halfway through positioning, it accepted the twist just fine. I need to deepen the bevel in a few areas but otherwise I am happy with the outcome. Tomorrow if possible I ll nail the planks to position but I need to think of a way to make sure all the nails align across all planks and that are spaced equally. Vaddoc
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How very nice! Indeed, these details have made a world of difference. This is a fantastic model GL.
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I have decided to build a steam box.
vaddoc replied to Osmosis's topic in Modeling tools and Workshop Equipment
Well Art, I got motivated by your thread and built my version of a steam box. Dead easy to make, tried it today, huge success! Materials (This side of the pond): 2 planned wood planks from B&Q at £9 each and a wallpaper steamer at £30 and scrap wood. I did not put a drain hole, the water drained from the (not so) closed end. The door was undersized so that steam could escape. After 2 min of steaming, the 2.2 mm thick beech planks could be tied to a knot! -
I converted form soft solder with a heat iron to silver solder. I use the Proxon torch which is excellent. Silver soldering needs parts to be very clean and in contact but at least for me is more controllable and easier to work with. I use phos solder paste so when polished it does not stand out against the brass parts. I could never control the soft solder in the same way-strength is a non issue. In regards to equipment, it really depends on the scale you work and how large and thick the pieces are. If the pieces to be soldered are large, a powerful iron is needed to deliver the energy to raise the temperature. If they are too large, it may not work. Even with silver soldering, I had a few large pieces to solder and the Proxon torch was not adequate-I have a much bigger torch for these. Any of the irons you ve looked at will do the job.
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Some more progress so time for another post. Many thanks to all for your likes and comments! Now, in the previous post we have cut one of the garboards so next task is to cut its sister plank. This was much more difficult and more complicated than I expected. The two sides of the hull are not as symmetrical as they should or could be. The garboard I ve cut will not fit on the other side. I am not sure what is the issue, I think the rabet is not cut at the same height in a few areas but everything else looks ok. Still, it will not fit. I marked the frames to determine where the new garboard should reach and using a paper template I cut the new garboard. The plank did not come out right. There are unacceptable gaps with the rabet and at places it is not wide enough. Using the plank as template, I filled the gaps and then with a compass measured the widths again but this time used a different baten to connect the dots, a 2x2 mm pear strip. This time the plank looked better. It actually looks better than the first garboard! On the boat, the two garboards look identical but put on top of each other, their shape is similar but they do not fully much. But it also true that even tiny variations in the frames will massively affect the curvature of the planks. The next photo shows the first plank, the gaps are a bit larger but nothing terrible. I think also the rabet is not deep enough, I wonder if it would be simpler to sand the plank. They are actually a bit thicker than 2 mm. The work will now need to stop, I need to make a steamer device to steam the planks. Also I need to add some wood to the horn timbers for the planks to rest on. Vaddoc
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I have decided to build a steam box.
vaddoc replied to Osmosis's topic in Modeling tools and Workshop Equipment
I was thinking solid wood planks or better sacrificial plywood but maybe PVC pipe is the way forward. -
GL, the boat came out fantastic, lovely details! Your confidence working with metal and wood, both large chunks and tiny pieces, is impressive. A very enjoyable log apart from the "sticking a pole to the whale's blow hole" part!
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- whaling
- clinker built
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I have decided to build a steam box.
vaddoc replied to Osmosis's topic in Modeling tools and Workshop Equipment
Excellent Art, your steamer seems to be working well. Now, I need to make a similar one! I have two boats to plank, about 50 planks altogether of 2 mm beech. I am thinking to make a long box out of plywood, with one end closed, apart from an opening to accept the steam feed hose, the other with a loose fitting cap and a rag so steam can escape. I presume a drain hole will be needed, probably just drill a hole but attach a hose so that the condensation be directed to a bucket to avoid making a mess. As you report things will get pretty hot in there so some caution will be needed. I ll post my results -
So sorry for your loss Michael. When I was much younger our cat died after being part of our lives for 18 years. I still think of him and visiting familiar places miss his presence.
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Fantastic metal work Keith but the net indeed is a step further. The more I look at it the more difficult it looks...
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Just finished going over the entire log JD. Very nice! I enjoyed the transom bit very much, properly complex to make! Could I share couple of thoughts: Re your issues with the height and position of frames, position of rabet and the shape/angle of transom: Rhino is really powerful, it can give you all these answers. One solution is to extend the frames, sternpost and stem beyond the sheer to the same horizontal plane. This way all frames and transom will sit at the proper height. You can also project the transom to an appropriately angled plane to get its shape. Also, perhaps consider before tackling the frame shape to first fully define sheer, rabet and edge of transom as a continuity. I am very interested to see how you ll approach the planking, at this scale you ll probably be able to get away with a lot of edge setting. Regards Vaddoc
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