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Everything posted by Cathead
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OK, so I spent most of the afternoon yesterday struggling with the davits. They're made from two parts: photo-etched horizontal braces and brass rod that you cut and bend to match the plans: According to the instructions, the brass rod should pass through the hole in the brace, forming a support. At this point I had learned not to trust such statements and checked; sure enough the hole in the PE wasn't big enough to accommodate the provided rod, so I carefully drilled it out wider while the braces were still in their frets (to minimize damage or warping to these fragile pieces). Hence the drill in the photo above. I chose to blacken these parts rather than paint them. This is actually another learning point: the kit instructions consistently tell you to paint everything, never to blacken even basic brass or pewter parts. I followed that at first, but it became a real problem because paint just keeps chipping off, even over primer, and glue doesn't stick as well. I wish I'd ignored the instructions and blackened everything, including the armor. I blackened the guns and was much happier with the outcome, so did the same on the davits. Anyway, you're supposed to drill pairs of holes in the side of the casement, right where the top of the casement joins the upper deck, to hold the horizontal braces. When those are installed, you drop the davit down through, mark where it hits the sloping side of the casement lower down, drill a vertical hole there, then assemble the whole thing. Seemed reasonable, and the back two went together ok since the soft wood is easy to drill into. These are still very delicate, though. But the front two, that was another story. Here the casement side isn't wood, but the PE brass armor, which is much harder to drill through. I did some test tries on leftover brass fretting and found that my hand drills and bits didn't work well; they just skittered off the surface and/or took a really long time to get anywhere. And keep in mind that, for the davit, you're needing to drill at a 45º angle through a painted brass sheet (risking damage to the paint) on a model already covered in fragile detail that's hard to hold steady. There's no way I trust myself to use a power tool on this delicate model at this stage. Another looming problem related to both my earlier mistakes and related kit flaws. You might recall that the side armor was far taller than the wooden casement provided; see this photo from earlier in the build: It's supposed to tuck under the lip of the upper deck, but the wooden casement is too short (or the brass is too tall) and instead the armor stuck up past the entire deck. I couldn't control this because the armor was pre-scored for that 90º bend around the hull lower down. The only solution would have been to cut the entire armor sheet down, and I didn't have the tools to do that because I wasn't expecting to need to do that much alteration of a kit I thought would be well-designed. Remember also the terrible fit of the forward armor? My attempt to cut down that piece sort of mangled it and I couldn't envision doing a long, straight cut to the top of the thin armor without destroying it. So I left it as it was, sticking up above the deck, figuring that once everything was painted it would sort of blend in and nobody but an expert would really notice. That was now revealed to be a big mistake, because now the armor stuck up past the joint between the deck and casement where the holes for the davit braces were supposed to be drilled. So now instead of easy drilling into wood, I was faced with difficult (maybe impossible for me) drilling into thin brass at a 45º, like the davit situation already described above. Below, I marked up an earlier image to demonstrate this. The arrows show how the overly tall armor sheet blocks where you're supposed to drill out the support holes for the braces (this is the forward part of the hull, where there are no davits, but it makes the geometric point): I honestly thought I'd destroy the model if I tried to drill these holes into the brass, based on test runs on leftover material. So I decided just to mount the braces higher, overlapping above the top edge of the armor. They wouldn't be level with their partners, but I decided it wouldn't be all that noticeable to non-expert viewers of a dark corner of my display cabinet. This sensible (lazy?) compromise turned out to be a nightmare. Without mounting holes to provide stability, it was nearly impossible to get these tiny brass pieces to stick to a sloping brass surface. Over and over again I mounted them with tiny drops of quick-setting CA, let it harden, only to have them break away when trying to insert or adjust the davits. And getting the davits to mount in a nice vertical fashion with the curve in the right direction while a tiny bead of CA hardened was equally daunting. I did this over and over and over again, each time ruining a bit more of the painted surface. In the photo below you can see all sorts of glue drips and paint chips from these efforts: I finally got them more or less in place and stopped for the day. I'm not at all happy with them and I have a feeling they're going to break loose again as soon as I try to rig any boats on. This was definitely a combination of kit flaw and my own shortcomings as a modeler. I haven't developed a feel for working with metal yet and it really shows. But this is also far from the "beginner" kit it's advertised to be, and really doesn't seem to be well-thought-out. Even if the armor had been the right dimension (or I'd been able to cut it down) to allow the upper braces to be drilled into wood, you'd still have to drill vertical holes into sloping brass armor for the davits. One improvement could have been that the PE could have included a little dimple at the right locations to guide a drill (either now or pre-drilled before installing the armor), or even just a hole to let the drill through to the wood below. So that's as far as I got before giving up in exhaustion. No idea what'll happen when I try to rig heavy pewter boats to these. Wondering if I should just glue the boats to the hull instead of having them dangle loosely off the davits like the instructions say to do?
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That would make a ton of sense, thanks! It would still be nice for the plans to be consistent and/or for the instructions to explain proper positioning options.
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OK, it's been almost a month. I did a little more work, then got frustrated again (and busy) and just stopped even thinking about it. It's a little daunting to come back and even try to pick up the threads. I keep discovering problems with the instructions and plans. For example, the length of the upper deck as shown on the plans doesn't match that of the actual model, meaning the dimensions one might take off it can't be trusted: And the plans are inconsistent on the orientation of the four cowl vents (big L-shaped stacks shaped like the business end of a tuba). In one place the rear ones are shown facing outboard while the forward ones face ahead, and in another place all four are shown facing ahead: Not only that, but either arrangement is inconsistent with the blueprints shared with me by @mbp521, which show the forward ones facing outboard and the rear ones facing aft, completely different from the kit: I decided to follow the latter example as it seems more trustworthy, but it's another example of the ongoing sloppiness in this kit that just causes angst and confusion. Speaking of which, installing these cowl vents created yet another problem. The castings have smaller pegs molded into the bottom so they can slip into holes drilled in the deck and be held in place. So far, so good. The instructions have you drill these holes before adding other details on the deck. Sensible. So I drilled the stated 1/16" holes in the right places, but did not install the vents until once I'd done other fiddly stuff like the bracing rods. Only then did I discover that the pegs on the castings were far thicker than 1/16" and did not even come close to fitting in the pre-drilled holes. I tried filing down the pegs but this took forever and I couldn't get them to fit. So I tried to ream out the holes a bit more with a file, and of course broke the delicate bracing rods: I managed to get this repaired and eventually got the rear cowl vents installed. But this was maddening. I should have test-fit the cowl vents when I drilled the holes, but stupidly trusted the instructions to be right. I haven't dealt with the forward ones yet. I also went through and carefully added the rest of the vertical stanchions that support the long center beam (the shorter ones that extend down to the pilot house, central skylight, wheel housing, and so on). These came out pretty well, with their associated tiny "metal" brackets that are a significant upgrade on the kit. I also added the cannons, which went pretty smoothly although I had to ream out a couple pre-drilled holes with a round file. So here's what the model looked like three weeks ago, the last time I did anything with it: The last steps involve various rigging lines (fiddly but probably not too big a deal) and some very, very delicate details like the boat davits and some railings that consistent of tiny fine brass pieces. I honestly don't know that I can do these right, they don't even look good in the official photos in the instructions. I'm feeling no motivation whatsoever to try to deal with those davits, and a much stronger inclination to just declare the darned thing done and stick it in a dark corner of the display cabinet. I want to write up a long review of all the kit's failings (and to be fair, some of my own) but that feels like a huge time sink when I have so many other more fun things to do with limited free time. EDIT: Writing this shamed me, a few hours later, into taking a stab at the davits. Stay tuned.
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Very pretty so far. Given your interest in researching and improving the kit, you might be interested in this reference I stumbled across when researching a possible Beagle build (so far on indefinite hold). It's a research paper on the boats Beagle carried, and while its online version is behind a paywall, you might be able to find a copy in a university library (or have them find you a copy) or contact the authors to ask for a copy (this often works for all sorts of research papers). The Beagle’s pups: small-boat surveying expeditions in South America
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This looks awesome. I love Baltimore clippers, and wish this had come out before I struggled so much building a terrible Corel kit. Will be fun to see this coming together.
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What a well-done and distinct model. It'll be a joy to display and answer questions about! Thanks for sharing.
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It's not so much for waves as just to support the hull itself. These were riverboats and anything beyond the smallest waves would have been catastrophic for them. But even in calm water the hulls weren't capable of supporting themselves. The weight of the sternwheel hanging off the end would have broken them in half, and the long, narrow hulls would never hold up on their own without extraordinary amounts of internal bracing. That wasn't done because it would make the hulls too heavy for river navigation, and too rigid because often they did need to flex (such as when encountering sandbars). In a way, these were more like Viking longships in that the hulls were lightweight and flexible, but since they (a) were much bigger and (b) had to support machinery and heavy loads that longships didn't, they needed extra support, and iron rods have a much better strength/weight ratio than lots of wooden bracing. Plus, as you noted, the turnbuckles allow the bracing to be adjusted. Cleat, if you're confused by all this, it doesn't help that this kit bears only a passing resemblance to any real-life steamboat (realism-wise, it's the equivalent of a cartoon pirate ship), so don't think about it too deeply! At the level of this kit, the idea is to run some dark line over the top of the poles (I'd suggest filing/cutting a thin slot across the end of the dowel), simulating the iron rods that would run between metal plates on each pole and down into the hull.
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Ouch, that’s scary! Glad to see you figured out a fix. Deck itself looks nice.
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Great upgrade! For what it’s worth, my pedantic side wants to note that those were usually called stages in steamboat land. They look really good.
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Railings are definitely one of the most frustrating part of any steamboat build. A jig seems reasonable.
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Nice job, that looks really cool!
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USS Cairo by Zetec - FINISHED - 1/50 scale
Cathead replied to Zetec's topic in - Build logs for subjects built 1851 - 1900
Great choice for a unique and interesting model. Will be fun to see how you progress. -
That's a wonderful model. Nicely balances clean workmanship with artistic attractiveness. I hope you have a proud place to display it.
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Your wooden kit progression - go big, or keep learning/practicing?
Cathead replied to Esap's topic in Wood ship model kits
Not all wooden ships have PE. I'm one of those who hates working with metal, and there's a fair argument that I just haven't learned how to do it properly. But I think the broader point here is that starting small and/or dabbling also lets people learn what they're good at or not, and what they like to do or not. I've learned over and over that I'm happiest working in wood, and that's helped me focus (for the most part) on projects I'll enjoy. There's a fair counter-argument that learning new skills helps keep the hobby fresh, but it's still worth learning/knowing your strengths and weaknesses. -
Timber-framed outdoor kitchen - Cathead - 1:1 scale
Cathead replied to Cathead's topic in Non-ship/categorised builds
Jack, all the wood is Eastern Red Cedar, which we harvest and mill on-farm. Its sapwood has that brilliant purple hue when it's freshly cut, but it quickly weathers to the dull orange you see on most of the structure, and eventually to grey with sufficient direct sunlight. You can preserve some of the color with wood oil, for example in this table I built from the same material (photo repeated from earlier in the thread): Paul, beans would be an option but we'd rather plant a perennial vine that will take up long-term residence, rather than something we'd have to restart every year. That'll also speed up the shade production, since an established vine will create shade as soon as it leafs out, rather than waiting for a new vine to climb up the trellis again. And we don't want to do grapes because we don't want to draw lots of birds into a food-handling area. We have plenty of garden space and trellises for beans (we grow our own full annual supply of dried beans as well as green beans). So it'll be something hardy and flowering. -
Timber-framed outdoor kitchen - Cathead - 1:1 scale
Cathead replied to Cathead's topic in Non-ship/categorised builds
I took advantage of a few warm days last weekend to add an arbor off the west side of the structure. As a reminder, here's the original digital model showing one theoretical approach to this. I ended up using far fewer rafters/beams as the goal is just to grow and train some shady vines up onto it. Step one was to set up the two outer corner posts. I built a mock-up using braces to make sure I got my dimensions, design, and post locations right. The plan was to set the two posts using a metal bracket that pounds into the ground, avoiding the need for any post-hole drilling or other foundation work. I've used these before for light-duty construction, they're great. Image below from Lowes: I notched both the posts and the cross-beam so they'd fit tightly together and make the joint stronger and more symmetrical: And here's the main frame erected and temporarily braced for stability: I added a couple angle braces for extra stability: I then measured, notched, and cut each of the six rafters individually, as the structure isn't perfectly square. Here are the outer two installed; I did these first to stabilize the structure: And here's the final version with all six rafters: It'll be fun to get the vines growing this spring, hopefully we can get some nice shade there on the western side to keep the summer sun from blazing in to the main kitchen late in the afternoon. -
Your wooden kit progression - go big, or keep learning/practicing?
Cathead replied to Esap's topic in Wood ship model kits
The advice to "buy ahead", getting a kit you might be interested in someday so you have it on hand as inspiration, comes with a caveat. Hobbies move forward and develop, and if you wait too long, you may end up with an outdated kit. Model ship kit design has progressed amazingly in the last decade, at least among the more conscientious, forward-thinking manufacturers, to the point that older kits can feel impossibly clunky in comparison (poor materials, poor instructions, etc.). This is similar to other hobbies like model railroading. If you come back to that now, after dabbling in, say, the '90s, you probably won't want your old '90s trains from their dusty box in the closet, because their quality is so much worse and the options available now are so much better in every respect (except one, which I'm about to get to). People also change. You may be sure now that you want to build a USS Constitution someday, but after a couple years in the hobby working your way up, you may develop a fascination with steamboats or aircraft carriers or Chinese fishing boats, and you'll want that money and shelf space back. Or, as Roger suggested, you may end up diving into scratchbuilding and never going back to kits. The caveat here is price. Kits go up in price just like everything else over time, and you may well be better off buying something now for ten years later, IF you're sure it's something you'll want and build ten years from now. If not, if it just ends up on a shelf destined for eBay or the dumpster someday, it may not be worth it. Don't make your kids clean out your closet full of unbuilt kits. So my strong advice is that, at whatever rate you progress, go one model at a time, whether it's a big jump or a little one. What helped me most in my progression wasn't necessarily developing physical skills, as important as that was, but rather developing a mental understanding of the history and engineering of vessel design. My first scratchbuilt steamboat model was terrible (at least below the main deck) because I had no idea how hulls worked and hadn't tried to understand (just plowed ahead ignorant), so just made it like a barge. After that, I took a deep dive into the history of steamboat development and design, and once I actually understood the vessels, was able to make much better models. The same was true for other projects: even doing a basic Viking ship kit, I took the time to research and understand how and why these ships were built, which let me apply and develop skills toward improving that kit. Building a revenue cutter, I worked to understand rigging and was able to make significant improvements to the kit's rigging plan. The bonus is that I value each project more when I understand it, and it isn't just a shallow display piece. To again use model railroading as an example, even more important than physical modeling skill is an intellectual understanding of how railroads work. If you can design a layout that will "feel" real and represent realistic railroad operations (whether complex or simple), and if you understand which equipment goes together, you'll likely enjoy the hobby more than just running trains in a circle, no matter how good your scenery and weathering are. So to summarize this long-winded post, in my opinion the most important skill to develop is intellectual curiosity, and that should be applied one project at a time to allow for a flexible future and a minimum of waste. -
Well done, such a beautiful and crisp model.
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