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Waldemar

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Everything posted by Waldemar

  1. Waldemar
    This frigate has an incredibly sexy hull shape. If this were my build, I suppose I would probably stop building the model at this stage 🙂.
  2. Waldemar
    I had another look at the book La Frégate. Marine de France 1650–1850 by Jean Boudriot and Hubert Berti, and have now found 'all' the information on the frigate La Nereïde. The original plans are both extremely detailed and beautiful, and seem to lack only rigging and armament. Even complete drawings of the ship's decorations have survived. Indeed, the source documentation for this frigate is simply a dream.
  3. Waldemar
    Thank you very much in advance Michele! I was hoping you would elaborate on this issue.
  4. Waldemar
    And it is very interesting to note that in Venice, as late as the 2nd half of the 18th century, large ships were actually still being built with single frames („ad ordinata unica”), despite a comment above that they should be (or actually were?) built with double-frames („a doppia ordinata”).
  5. Waldemar
    Many thanks for posting these photos. After a quick browse through my books on the Venetian Navy, I found the following (these particular scans/photos are from a must-have for anyone interested, fantastic modern work – Vascelli e fregate della Serenissima. Navi di linea della Marina veneziana 1652–1797 by Guido Ercole). And I assume that your model is one of these four 1780 class ships shown below. Please don't forget to open a log on this model too. 🙂
  6. Waldemar
    Hello Amalio. Just to say, that until recently, I thought it was impossible to build a model of a wooden sailing ship so precisely and beautifully. Thanks.
  7. Waldemar
    What Venetian vessel? Is it shown somewhere? From what period and of what type?
  8. Waldemar
    Grazie mille per la risposta. Bene, nolens volens, aspetterò pazientemente le fotografie del tuo meraviglioso modello. Thank you very much for your reply. Well, nolens volens, I will wait patiently for the pictures of your wonderful model.
  9. Waldemar
    However, on balance, I would tend to follow Kevin's advice to simply fake the scarphs to avoid complicating the task. These scarphs are not desirable or essential elements per se, but just means to an end, i.e. combining small elements into larger ones. And they could have been located almost anywhere along the keel length, depending on the available material.
  10. Waldemar
    Can you show a side view as it is on the plans? May be quick'n'dirty photo of the side projection with gun ports shown (decorations not needed). Just to see the general layout of the ship.
  11. Waldemar
    What a pace of work! Do you work alone? Or do you manage a large team of employees!? 🙂
  12. Waldemar
    ... and this only confirms that you made the scarf correctly, although perhaps somewhat unconsciously. 🙂
  13. Waldemar
    This is exactly what you have already done, and which can be seen in your post #14.
  14. Waldemar
    Depends on many factors which only you can anticipate. Say, the quality of the milling machine (like stiffness or repeatability) and the cutters themselves, the quality of your preparations and the actual work, like your ability to correctly program the CNC device, the right (or bad) setup of the part to be machined, the properties of the material to be milled (size, thickness, strength, stiffness) etc. The intricate shape of your keel (especially twisted surfaces) would probably require several passes of a cutter of quite small diameter, which would leave steps anyway. Still, if you feel you must try, go for it, at worst (or best) you will gain experience.
  15. Waldemar
    I think Scrubby has already explained it very convincingly, but to give you still an additional warning of what you will be dealing with, let me say that it is not only about the geometry, but also about the actual machining of such long, curved, tapered and slender parts: You will have to precisely position such parts on the flat table, you will have to hold them fast all along their length so that they do not bent under cutter pressure, you will have to change your cutters to different shapes, you will have to reposition your parts on the table to machine all sides, you will have to "zero" your different cutters each time you modify your setup. All of this you will have to do with a very tight repeatability to get just the acceptable results. This would be a nightmare even for very experienced machinist.
  16. Waldemar
    ...and that shape of the bottom. Of unmistakably French (or rather Mediterranean) origin.
  17. Waldemar
    If you persist, they probably can. Yet, in this particular case, the level of complexity and effort required to do so would make it a hopelessly inefficient endeavour, and even more so for a one-off build. This is perhaps the last method I would consider.... Sorry.
  18. Waldemar
    Oh my...! New Ancre monograph! And of a frigate of the pre- "modern” concept! Fantastic news!
  19. Waldemar
    One more technical detail: after creating the cutting surface (by lofting or by other means) it may be that it is shorter than required. Then simply you can make it longer by using the "extend surface" command.
  20. Waldemar
    Do you see? It's not space technology or brain surgery, just diligence is required.... 🙂
  21. Waldemar
    I'm sure you can do it the right way, as it is in the original, especially since you've already put so much good work into your project. Sometimes I sacrifice a number of days for a trivial issues too. And remember to keep the uncut elements as backups.
  22. Waldemar
    Well, you say "weird", I say "beautiful" 🙂
  23. Waldemar
    I should add that closed polysurfaces (solids) are needed for Boolean operations. If your parts are open, you need to use the simple "split" or "trim" commands.
  24. Waldemar
    You can make it straight, i.e. vertical in this case, or if you a pedant like me make another curve at the bottom at its correct place and then make cutting surface by lofting these two curves. There are other methods possible, however, depending on the specific needs and possibilities.
  25. Waldemar
    By following the advice of Mark and Terry, you can safely quote even very large parts of a cited work. Is that what you are asking? If so, divide larger pieces only as the last step in designing the entire model/vessel, if at all. Another strategy is to keep the uncut pieces as a safety copy.

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