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Cathead

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Everything posted by Cathead

  1. YOU can't wait? How do you think I feel???
  2. I had the 1980s version of that, something like this. Who needed brakes when you could put your feet down or just bail out? Scabs are a sign of childhood done right.
  3. Hey Keith, I somehow missed your response and apologize for appearing to ignore you! Thanks for sharing that video. If you go to the Videos tab on his channel home page, you can find all the episodes of that project back to #1. I do actually have a slight bit of progress to show. Life has been horribly busy and we had to deal with a situation where it turned out that the original oven dome sent to us was defective and a new one had to be sent; to his credit the owner of the business was super forthcoming about the error on their end and made every effort to make it right. But it did cause a significant delay when we'd blocked out some time to move forward, and we've just now been able to make a bit of time to proceed again. I finally installed the chimney, which involved projecting its run up from the oven, cutting a careful hole in the metal roof, installing the chimney pipe, adding the flashing and other protective stuff up on the roof, caulking everything, and adding a brace on the inside to help stabilize the nine-foot run. A few pictures; first the view inside: And then several from the outside: Next we start wrapping the dome in insulation, then cover it in stucco. At that point it'll be time to start firing the oven for the final cure of the masonry before it's ready for cooking. This was a major step, though, and it really feels like an oven now! Ideally we'll find time for the insulation in the next few weeks but we're still in an overwhelmingly busy period, so who knows. Thanks for looking in!
  4. Great explanation, Roger. But I'd suggest that there are plenty of examples of historic people figuring out, through trial and error and accumulated knowledge/experience, things that until only recently could actually be explained through science. For example, any Middle Ages peasant who slaughtered a beast had an instinctive understanding that blood circulated through an animal and that the heart was related to it, but it took ages for "science" to catch up, stuck as they were on whatever an ancient Greek wrote without checking for themselves. Medicinal characteristics of plants are another example. To me, it doesn't seem hard to imagine that centuries of maritime experimentation led to Venetian builders (and buyers) learning that they liked such a design, whether or not they had any idea how or why it worked. What makes me really curious is how/why different cultures settled on different designs, when in theory many of the background conditions are the same. Water acts the same way on vessels in the Med as it does along the Chinese coast, for example (with the possible exception of subtle differences in salinity).
  5. If Steven doesn't mind the distraction, why was this done vs. choosing a straight keel?
  6. Looks beautiful! I thought of a question about your mini-split. Are you planning to leave it on all the time to maintain some consistent temperature and humidity, or only turn it on when you plan to be in there and leave the room to the elements otherwise? Seems a tough tradeoff between too much energy use on one hand but potentially problematic swings in environmental conditions on the other. Although we like our mini-splits, one thing that does annoy us is that they have a relatively narrow range of temperature settings that doesn't go below 59ºF. So for example, if we're traveling in winter and just want to keep pipes from freezing, we'd rather set the house at, say, 45º; 59º is a waste of energy. It's a bit easier in summer when you can set temps in the 80s. So I was wondering what temperature range your unit has and how you plan to handle that dilemma.
  7. They must be Gary Larson cows; in the Far Side they're always standing around and walking upright.
  8. Mini-splits are great, years ago we removed our furnace and installed a couple instead. They're more energy-efficient and eliminate using all that ductwork that can get dirty/dusty/moldy. Won't work for every house design (e.g. if you have lots of isolated rooms) but we have a fairly open floor plan that allows air to circulate (installing a few ceiling fans helps with this). We heat primarily with wood but the units provide a backup, and are far better than window A/C in the summer. Plus it's easier to close off rooms we don't want to heat/cool as much (such as spare bedrooms) by just shutting the door, rather than closing a vent but still having all that hot/cold air blown through ductwork to a dead end. Definitely a great choice for a setting like Brian's.
  9. I'm no expert, but it's logical that adding moisture to a fiber product causes it to swell. And it's likely that different glues/applications would cause the line to react and swell differently, so it's not clear how manufacturers could account for that in a single consistent measurement. In other words, the manufacturer's dry measurement can be accurately measured and standardized, but the wet measurement depends on what the individual modeler does. So if the change concerns you, perhaps the best solution is to account for a certain level of expansion when you purchase line?
  10. Fantastic project! And here I am looking forward to expanding from a 2'x4' workbench to a corner of a small spare bedroom! This looks really cool and you know I respect DIY projects. Will be fun to see it come together, and I love the exterior aesthetic already.
  11. Edit: Oops, meant to post this in the Jokes thread. Oh well, this could function as a dodgy solution, too! I'm going to cross-post it where I meant to, anyway, sorry if you end up reading this twice. Real conversation between my wife and I recently, edited for clarity and brevity. Background context is that we log and mill lumber on our rural property and are preparing for another round of milling later this week. We both also love puns. Wife: Are you going to cut up that basswood that fell across the creek? Me: It'd make sense, it's good model wood. Wife: You could also go to the pond and catch some bass. Can you compress fish into building material like you can recycled plastic lumber? Me: That kind of basswood would be even better for scale modeling!
  12. After letting the hearth cure for a few weeks, we took the exciting next step of installed the oven dome itself. Following the instructions, we first placed a layer of 2" ceramic insulation board over the hearth, spread a layer of sand on that, then carefully arranged the firebrick cooking floor to be level and centered. Then, with the help of some friends, we carried the ~200 lb oven dome itself over and carefully placed it over the floor. The next step will be to cut the insulation board down to match the outer shape of the dome, start installing the chimney, and start wrapping the dome with ceramic insulation blanket. The whole thing will eventually be covered in stucco to seal the surface. But it's actually looking like an oven!
  13. Nice to see you back! I've simulated tar paper roofing before using strips of masking tape laid over thin wood glue. It has a nice rough texture, holds up well, is much easier to apply than silkspan or tissue, and is very affordable. Seems like it would work especially well in 1:48. Easy to give it a try on some scrap wood to see what you think.
  14. Those California labels are a classic case of how over-regulation or hyper-concern run amok can backfire. I'm sure it meant well at first, but saturating the market with fear-mongering just leads to people tuning out, including more legitimate concerns. Especially when they can see for themselves that the risk isn't really there in normal use, or is minor compared to other risks. For example, touching a table saw might expose you to a California carcinogen, but the risk is minuscule compared to that of using the table saw, or especially using the table saw wearing the sorts of gloves you'd need to protect you from the carcinogenic metal. So the label at best does no good, and at worse numbs people to legitimate warning labels and leads to distrust of regulators.
  15. Any natural material can be unsafe if consumed or used incorrectly! Dihydrogen monoxide is a great example; utterly benign in sensible quantities but too much will kill you in minutes. One of things I love about modeling in wood is that it does require handling fewer nasty materials, at least the way I do it.
  16. Welcome from a fellow Missourian!
  17. Brian, don't feel bad, I've been without a shipyard for over a year now as our DIY renovation of a spare bedroom proceeds at a glacial pace. That's another thing I hope will be back in operation by later this spring.
  18. A major milestone! This week was the first since fall that we had warm enough, consistent enough weather to pour the concrete hearth that sits atop the foundation. On Monday morning, we took a break from other work to mix and pour the 6.5 bags of concrete required. As a reminder, here's how the foundation has sat all winter waiting for this moment: First I cut a piece of backer board to fit snugly in the opening, and taped all the remaining seams: I then re-checked that everything was level and adjusted the supports as needed (very little was required, it was quite tight and stable): Then a network of rebar was laid and wired together to strengthen the concrete. These were salvaged from a dump pile on our farm that pre-dates us; they were the perfect length for this job! Finally we started mixing the concrete by hand and shoveling it in. When we reached full, I compacted the mix and planed the surface smooth. Here I am with the finished surface, still wearing my mask to keep out the concrete dust since it's a pain to take on and off with rubber gloves on. I was thrilled to finally get that thing off, they give me headaches. At this point, we let the concrete cure for a couple days, moistening the surface occasionally. By this afternoon, it was time to remove the wooden forms beneath and around the hearth. I started by knocking and prying away the vertical supports on the outside and inside of the structure: And then disassembled the screwed-together form itself, revealing the hearth. We wet the newly exposed edges just in case a bit more moisture was needed now that they were exposed to air. We'll let this cure a while longer before taking the next step, but this is major progress! We have a busy couple weeks coming up, which is convenient in this sense, then it'll be time to start assembling the oven itself atop this surface. Just a reminder, the entire outer surface of this structure will be sealed with stucco, so it doesn't matter what the edge and seams look like (of the blocks or the hearth). Thanks for looking in. Hopefully updates will start coming more regularly from now on!
  19. Dave, I just stumbled across your log, which shows wonderful workmanship. I can't wait to see how the masts and rigging progress. I'm also sending you a PM since we appear to live very close to one another!
  20. Thanks for the update! Lots you're dealing with, glad you're coming out ok on the other side. Those are some tricky hull shapes for sure.
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