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Ab Hoving

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  1. And here is a picture of us (rigger Floris Hin and me) finishing the re-rig of the model in 2012. The model was relocated twice, once in 2007 and once in 2012. Dismasting took 2 1/2 days, rigging 4. I made a u-shaped construction to take off the masts with all its rope work and sails together, with the shrouds temporarily attached to the legs of the U and the mast tightly connected to the middle piece. Those were the days...
  2. Thanks for sharing Kenny. I'm sure many people will be very glad to see all this. I hope you also enjoyed the 'special collections' with all the ship models well hidden in the basement of the museum?
  3. It seems to me that you made a wrong choice. If it is a pirate ship you want to model, forget these big monsters. Pirates were not so well organised that they could manage big ships. You better find a smaller ship, about a hundred feet. That means of course that 24 pound cannons are a bit over the top. Fortunately you can simply scale your cannon down and you will never see the difference. If it is the 17th century you are looking for, you might consider the Heemskerck, Abel Tasman’s ship when he discovered New Zealand and Tasmania in 1642. His 100 feet long ship might have been suitable for a pirate. If you are interested you can send me a PM and I will send you the draughts.
  4. Hi Marcus, You must have a lot of time at your disposal. If I look at your plans, you could easily fill two lives with them. 🙂 There must be plans for the William Rex, but I don't have them. About ten years ago I let a group of students do calculations on the ship because I did not trust the shape. Too little volume below the waterline. From this project (it turned out I was right) there must be a report in the museum. I will ask and come back to you about this matter. As for the rigging of 18th century Eastindiamen you might be interested in a rigging plan for 160 foot retourship I reconstructed from a VOC document from the middle of the 18th century. It was published in a book about the archaeological finds of VOC ships, the Hollandia Compendium, published by the Rijksmuseum in 1992. The plans might reasonably fit the Valkenisse rigging. The oldest VOC retourship of which plans have been published was Prins Willem (1651) by my predecessor Herman Ketting. There is a book from 1979 and there are plans, but I don't know how to get them. Perhaps other members can help you out, for instance Amateur? Apart from the plans for Valkenisse (1717) I don't know of any published plans, but I do have plans made after the 1697 Resolution, after which I started a model some time ago, but never finished it. I have no recent pictures of the state it is in at the moment but I can tell you, it takes a lot of study to get even this far. Anyway, if you are interested in the plans you can have them, send me a PM. Here is a preview: I hope you know what you are looking at. As I said, your plans will take a double life-time to execute.....
  5. A hekboot was a hybrid ship, with the lower part lend from the fluit and the upper part from a pinas. Think of it as a fluit with a transom. The combination produced a wide merchant vessel with the accommodations of a pinas, like a wide captain's cabin. The only draught there is of the type is the elementary drawing I made from data from Van Dams book "Description of the East Indian Company" (1701). I add it here, but you have to a lot of imagination to make a model out of it.
  6. I'm happy to take part in any discussion about shipbuilding, as long as you don't expect me to have all the answers. The contrary is true. The more I look at the subject, the less I understand. 🙂
  7. Marcus: You cannot tell the difference. It is a matter of background. Apart from the big 'retourships' the VOC also built small warships, which they called 'yachts'. In admiralty circles such ships would be called 'frigates' and they looked very much the same. The only difference is in the decoration of the stern. Usually a frigate was a man-of-war with less than 40 guns. Jaager: I have a document written by Charles Bentam, the English shipbuilder who worked for the Amsterdam admiralty in the second quarter of the 18th century. He describes his method of design and starts with the location of the frames. The location was important for where the gun ports were placed. He is surprised that the Dutch cut their gun-ports after completion of the framing of the upper works. The conclusion must be that the idea of sliding frames was no option. The philosophy about how a ship should move through the water differed from location to location and from time to time. In the 17th century the Dutch idea of how a ship should sail was that it should more or less slide over the water, instead of cutting through it. The comparison with a duck's breast was made. This way of design produced very 'dry' ships, totally different of what we see in the age of the tea clippers, which were sharp and sailed more under than on the waters.
  8. Peculiar. Van Yk describes the location of all of the four frames (of which two of them were identical) and does not mention the possibility of sliding. He does give a trick to derive the aft one from the fore one, counting in the amount of greater depth at the stern and the narrowing of the width of the hull. Archaeologists found a lot of traces and proof for shell-first building in Dutch shipwrecks, but so far I have never seen a report dealing with a typical 'Van Yk'-method built ship. There are so many questions to be answered and there is so little knowledge on the subject... The more I learn, the less I know.
  9. I totally agree with you on the last point. For me it even the question if Van Yk used a mold loft floor at all. In my opinion it is very well possible that the shape of the four initial frames was drawn on the wood right away, without a drawn design on paper or on a floor. Rules of thumb work that way. Taking the shape for a new frame-part was done from the splines that that were fastened to the four frames. Even after 1725, when the first Dutch war ship (Twikkeloo) was built on the Rotterdam admiralty wharf by Paulus van Zwyndregt after a pre-drawn design, the same yard only placed 10 or 12 pre-drawn initial frames on the keel and proceeded taking the shapes of the missing parts from the ship itself. The advantage was a obvious: The demands for the quality of such a frame-part was much lower that whatever was made after a drawing. So the hybrid method of working after a drawn design and the shell-first method actually continued in the practice on the yard for ages.
  10. My views on the matter of the development of shipbuilding in Europe is extremely limited. I have only been busy with Dutch efforts. There are very good studies done, for instance by Larry Ferreiro: Ships and Science: The Birth of Naval Architecture in the Scientific Revolution, 1600-1800 MIT Press 2006. ISBN 9780262311472 OCLC 743198863 Bridging the Seas: The Rise of Naval Architecture in the Industrial Age, 1800-2000 Mr Richard Unger has written something about the subject too if my memory serves me well: Dutch Ship Design in the Fifteenth and Sixteenth Centuries (1973) Dutch Shipbuilding before 1800: Ships and Guilds (1978) Ships and Shipping in the North Sea and Atlantic, 1400-1800 (1997) I think you can find answers to your questions in those books. I'm just a model builder and not even a good one :-).
  11. Your hull looks horrible :-)). Don't worry though, the planking will hide it all. The trick with the planking is that you will have to judge the run of the wales only from the side. They all seem to have the same regular distances. But seen from above you get a varying width between some of the wales, especially in the aft part. It even needs extra planks there. Once you have those wales in the right place, nothing can go wrong. Maybe this picture can give you a bit more information of how it works: As you see my hull looked terrible too, but the end result was satisfying.
  12. Shell first as described by Nicolaes Witsen (1671), means that the planking of the bottom and the turn off the bilge was done first. Frame parts were installed after that. The alternative way, as described by the Delfthaven shipbuilder Cornelis van Yk (1697), uses four pre-erected frames, to which splines were attached that defined the hull shape. Frame parts were added and the planking was done after that. The remarkable resemblance is that in both methods no preliminary plans were made. Two different methods with a distance of less than 50 kilometers between them. I studied these during half a century and still don't understand how such a thing was possible.
  13. The question is how the Brits and the Spanish did it. Were their methods comparable? I don't know. We know of two different methods in Holland and they do not seem to be connected. Conventional is a strange term in this respect...
  14. The ships for foreign countries were usually built on private shipyards, for instance in Amsterdam, but Dutch shipbuilders also went abroad to build ships there. I don't know what you call a conventional method, but the Dutch used shell-first up to the end of the 19th century. Only the Admiralty yards were more progressive up from 1725. The Vasa was certainly built shell first.

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