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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. I noted something interesting on above picture: first I thought they didn't fit the floors/frames very well - but then I realised they left a gap between the floors/frames and the upper edge of the strakes so that no water collects in these corners and causes rotting ... Nice progresss !
  2. Excellent ! I like the scenic setting ! I gather the boats sits on the ground between tides ? Or how is it otherwise hauled out ?
  3. I have a natural science background and grew up in a natural science-househould. So, the natural thing for me was to make measured drawings, cut pieces according to the dimensions on the drawings and then assemble ... but often this did not work, perhaps due to poor manufacturing tolerances. I learned from watching craftsmen, who tend to cut pieces somewhat oversize and then fit them. Not the most efficient way in a production process, but very effective in an artisanal context - and shipmodel building is an artisanal process.
  4. Paper drawings, as commonly used by shipmodelers, are not very accurate, so taking precise readings may not help you in the end, because errors of several measurements tend to end up. There are couple of strategies to overcome this: - always take measurements working from the largest outside dimensions, working inward and make sure that subsequent measurment add up to the total of the outside measurement first taken - redraw the parts in a 2D CAD or similar program from the readings taken from the paper copy; the result should look like the one on the paper and you can
  5. From my memory: Yes, I was going to comment, that on the first Venice bird's eye view the Arsenale is discernible on the right and can be recognised by the galley building and storage sheds that face the Canale di Arsenale. The merchant port, Il Bacino, is in the centre and stretches from the Doge's Palace to the canal that leads up to the Arsenale. The stretches of embankment in between are named by the nations who had their warehouses behind, say the Riva degli Schiavoni refers to slavonic traders from further south in the Adriatic. The Arsenale still is military territory a
  6. ... a converted vegetarian came to the chicken-breeder for the third time and bought a box full of little chicks. The breeder raised his eyebrows and asked, whether there was a problem ? The converted vegetarian responded: "I don't know, I must be doing it wrong, I either plant them to deep or too shallow" ....
  7. "It was used in nuclear reprocessing plants, buried deep inside highly radioactive equipment behind 6 feet of concrete, not to be seen again for a thousand years." ... not so sure, at some stage Sellafield and Dounreay will need to be decommissioned and dismantled ... I have been working for the past 34 years on safe disposal options.
  8. The beauty department has a lot of interesting stuff and typically cheaper than the modellers' stuff - it's a mass market. These blocks are also sold for woodworkers etc. Got some in 150 grit quite a while ago - ebay etc. is your friend. Unless yours are soft, I would rather call them foam sanding blocks. Mine are rather hard and the shape is stable, allowing to sand flat surfaces.
  9. I can see that the back edge of the sanding disc is relieved, but I don't understand what it is used for. Perhaps you can hold a workpiece against the disc to illustrate the purpose ? Of course, superbly engineered, as always !
  10. You won't need a rope-walk as such, but of course, you can do it on it. Unlike threads, each wire does not need to be twisted in itself, just the wires need to twisted together. So two hooks are sufficient, one of them spinning. Some years ago I constructed a rope-walk (according to the proposal of Frölich, with two spinning heads) from an old bakelite optical bench that I inherited from my father. It does not allow to adjust the tension steadily, so it turned out not to be so suitable for making twisted wire. I think I will now use the lathe and devise something to exert a steady
  11. These phone repair guys have lots of interesting stuff. There is also silver wire at 0.007 mm diameter. When trying to make my own 'wire rope', I found it quite difficult to twist up more than two wires, because it is difficult to to get equal tension on all the strands and when you pull to tension them, these thin wires easily snap.
  12. I don't know about the US, but over here in Europe powering boats began with semi-diesel IC engines on the commercial side, while amateurs put petrol engines into boats already at the turn of the century. The semi-diesels were hefty chunks of cast iron. The Danish were pioneers at that, followed quickly by the Dutch and the Germans. These semi-diesels would eat anything from rancid butter (there was often a fuel pre-heater on top of the cylinder-head to reduce its viscosity) to petrol. They had a glow-bulb (similar to aircraft model IC engines) that had to be heated with a blow-torch before th
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