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About wefalck

  • Birthday 05/01/1956

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  • Location
    Paris, France
  • Interests
    19th shipbuilding and naval history, indigeneous boats and their history

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  1. If one spends already a whole working day in front of the computer, one may want to look at something different and may want to have a different haptic experience ... Spending 600 $, even Canadian ones, on a model seems to be an awful lot of money ... never spent more than maybe 100€.
  2. wefalck

    Making block

    Back on old MSW there were some Russian guys who made some simple single-lip milling cutters from hardened silver-steel/drill rod or HSS toolbits and shape-milled with them the main oulines of blocks on the PROXXON FM50. Not too difficult to make such cutters.
  3. Try a set of eye-protection glasses with magnifying glasses. They usually have +3 diopters and I can wear them for hours - they also prevent nasty things from flying into your eyes ...
  4. A lines drawing done in pen and ink or even a print-out has a finite line width and a certain contrast ratio against the paper. Scanning these approximates the lines with pixels, resulting effectively in a loss of contrast, as line is degraded into a more or less wide cloud of dots. Any software that is supposed to convert the cloud of dots into a chain of vectors has to interpret this. The precision of this interpretation will depend on the angle the original line had respective to the axes of the scanner. So you are bound to have lots of artefacts and deviations. The worse the smaller the original drawing was. Personally, I am going down the same route as mtaylor. It may feel tedious in the first place, but it is probably more efficient than trying to remove all those rogue pixels before sending a drawing through a vectorising program. You, as a shipmodeller, are also much better in deciding what is a reasonable line and what not than the vectorising program. I have done this for years using a mouse. As I will be getting an iPad with a stylo for Christmas, I am looking forward to do this kind work now on a tablet. Still have to find the right CAD software, as it seems that there is no iOS-version of my favourite EazyDraw for the MacOS.
  5. Unless some of the mouldings are painted white, one could cut thin stripes from water-transfers (decals) or buy such stripes, if available in your part of the world.
  6. I gather in the part of the World I am currently living in, the 'golden' would be pronounced something like 'do-raad', with a short, open 'o'. BTW, why are these vents collade 'dorade-vents' ? Haven't heard this term before.
  7. Somehow I liked the bright steel parts. Many older museum models have such parts left bright - does work for a model, but not possible, of course, in real life.
  8. Marcus, I believe 'maritiem digital' is a sort of portal through which one have access to (some) material from various museums, including, I think, Rotterdam. I have not looked at it for some time though. Concerning the varnishing, I found this always a bit garish on the Dutch boats that have been converted into yachts. Must be some sort of fashion, but in reality doesn't say anything about the quality of maintenance. A thick layer of varnish on a model too looks much like a cheap souvenir model, where also 'glossy' seems to be taken as a sign of quality. I gather something a bit more glossy than satin would be right. Personally, I would apply some cellulose-based woodfiller, rub this down with very fine (0000) steel-wool and then polish with a felt-wheel in a power-drill. On the hard wood you used this should give a nice sheen whithout adding a perceptible layer of varnish.
  9. A certain standardisation and composing gangs of men of different levels of knowledge and experience. Most parts were too heavy to handled by one sailor alone, so one would group experienced and unexperienced sailors together. Experience comes very fast with the nine-tailed cat being around ... There were no formal qualifications and exams for sailors of non-officer grades. They were moved on in hierarchy, if their superiors were satisfied with their qualities.
  10. One notes also that the mesh is not square, but rectangular. I will try to pull in one direction every second wire from the fine wire-mesh I bought for this purpose. The wires are only 0.04 mm diameter, so it will be a challenge.
  11. First they looked like made from those binders for plastic bags, these plastic strips with a wire imbedded ... however, it is now clear that the ridge is an etching artefact: the attack of the etching agent does not only happen perpendicular to the metal sheet, but also sideways to some extent. It is particularly pronounced, when etching in a tray and can be reduced by the commercial spray- or foam-etching processes. I have actually tried to play with this effect to achieve certain 3D-effects. Javier, not using magnifiers may be a wise decision 😏 - when taking photographs, I recognise very well this sobering effect ...
  12. @Pat, I have been thinking of a similar route for the mill/lathe. When I looked at this a few years - technology may have evolved since, the 'shutter speed', i.e. the number of frames per second, was a bit to slow for machine work. You get the image with some delay. That would not matter though for inspection work or slow manipulations. I also had at some stage a screen projector, i.e. a microscope that projects the image onto a screeen. I thought of using it in the same way as the mentioned digital version. Perhaps it was not adjusted well enough, but in the end I did not find it very useful, also because it took up a lot of bench space. So it was sold again. @Valeriy, you are right the grating in your picture looks quite new (where was this taken ? There must be other places with Krupp-klones or original Krupps around the former Russian Empire). This particular one looks like a restoration. However, as one of the few detail pictures of the WESPE-class guns shows, this is the original pattern: This pattern of grating can be also see on the large-scale instruction model that was made for the Danish navy at about the same time: Krupp was happy to sell his guns to Denmark who has been in war with the German states only a dozen years earlier. The Danes armed one of their first armoured battleships with these 30,5 cm guns. The good thing about this is, that the Danish archives in this way preserved some material on these guns. The lower carriage, however, is different from that of the WESPE-class, because it was housed in a revolving turret, rather than in an open barbette. @paulsutcliffe - thanks for your kind words !
  13. Very clean work. I like this combination of wood and metal ! Did you glue the steel edge to the lee-board ?
  14. Ahh, haven't thought about sinking a round mill into the wood block and then cutting it into half. Yes, of course, you also need symmetrical parts persumably for both sides of the deck-house. You are right about the machineability of cast Plexiglas (type GS as opposed to XT for the extruded one). My father used to work for a daughter company of Röhm GmbH, the original manufacturer of Plexiglas™. Thus I had access to the material and their extensive application handbook, which deals with all sorts of machining and (hot) shaping etc. Therefore, also a certain affinity to that material. Being chemically close to acrylic paints, I found it also paints well with these. Actually, etching fluids are not particularly 'toxic', but, of course, they can eat holes into tools, workplaces and the skin. I am rather cautious working with them in a rented city appartment ... that's why I will give this work out this time.

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