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woodrat

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  1. woodrat
    The mast is stepped. Note that in round ships with latin rig the masts are sloped forward the main (forward) mast more so than the mizzen (after mast). Long staves which are chamfered as are barrel staves are used to wedge the mast into the mast partners. Then the staves are woolded to the mast . Note that these staves project much higher above the deck thean those in later ships such as carracks. Perhaps this is necessary to compensate for the lack of a forestay in latin rig. Cheers Dick
  2. woodrat
    Thanks, Chuck. Very clear Dick
  3. woodrat
    Just a question for the sea-lawyers out there. If an individual uses a copyrighted book of plans e.eg Anatomy of the ship, and from them constructs a 3D CAD virtual model AND uses this to produce a kit for sale. Does the author of the original book of plans have rights and is the kit producer in breach of IP. Just askin' because there are people using this site who are doing this for profit Dick
  4. woodrat
    Thanks, Steven. The following shows the masts. I have estimated that the lengths of the masts is about equal to the length of keel as judged by looking at many pictures. The main (forward) mast is longer than the mizzen (rear) mast but, as the main mast is more tilted forward than the mizzen, the height above deck of the colzexe (calcet) and its attached crows nest is the same in both masts. The following shows the constructof the colzexe to match the Zibaldoni da Canale illustration cheers Dick
  5. woodrat
    The hull is substantially complete now. The quarter rudders are now shipped. The starboard rudder is in use but the port rudder is not in use and has been retracted using the rudder lift and has been lashed onto one of the through-beams. Cheers Dick
  6. woodrat
    Thanks for the pic, Steven, great detail in the rigging. Here is a couple of pics of the sternshowing the Lego lad in a more useful position. Note the crutch for the mizzen yard The wooden structure shielding the helmsman is seen in a number of illustrations of round ship. Dick
  7. woodrat
    Go for it, Matie! All you can do is the best you can. Halfway through my build of a round ship C13 a Black Sea wreck of the same era was was found. Fortunately, as I had based my build on solid archaeological evidence and not on speculation, the find largely confirmed my interpretation. In any case there was such a wide variation in local practice that you probably wont go far wrong. Cheers. Dick
  8. woodrat
    Quite right. This is not the final tiller length. They will be shorter. But in the case of running before the wind, both rudders would be in use, either with two helmsmen or with one in the centre. The contemporary illustrations are not helpful. Also, Lego men's shoulders don't abduct away from the side! Yes but I believe the construction was different in venetian naves to the byzantine hence I am using the venetian name. Dick
  9. woodrat
  10. woodrat
    The shape of the module is determined by the forward slope of the mast. This little guy is trying out the tillers for size.
  11. woodrat
    Thanks. Alberto, I have downloaded the thesis and have started to read it. I have thought about the design of the colzexe (venetian dialect) as shown in contemporary illustrations. This is the wooden module, scarfed to the top of the mast and which contains the halyard block and is the site of attachment of the crows nest. The following illustration from the Zibaldone da Canale document is the best available image and I intend to reproduce this in my model. Dick
  12. woodrat
    The decking largely completed and freshly oiled. Dick
  13. woodrat
    The steersman's walk. This area is for the steersman or steersmen to stand while managing the tiller(s) of the quarter-rudder(s). Amidship there is an area for seating, below which is the sliding panel to allow instructions to given to the steersman from the after-cabin. Access to the after-cabin is via a scuttle behind the steersman's seat. Dick
  14. woodrat
    Thanks, Steven. Really enjoying your dromon. I have had a marvellous time making a "thunderbox" for the comfort and convenience of the ship's gentlefolk. As for the crew............well... they can do it some other way, but downwind! Its a lot like the one found on the Bremen cog Here is a pic of the hull with the starboard bulwark removed for cargo access. Dick
  15. woodrat
    Steven, have you given any thought to modelling the leather sleeves on the lower row of oars which prevent ingress of water? Dick
  16. woodrat
    Yes both port and starboard bulwarks are removable in their mid section for loading cargo. This was discovered in the excavation of the Contarina 1 trading vessel. I believe, and this is just supposition on my part, the bulwarks were slid up and then hung outboard on the protruding deck beams. Incidentally, this would allow sweeps to be used on thole pins inserted in the deck. But there are no illustrations of round ships doing this. Dick
  17. woodrat
    I have planked the starboard side of the main deck only. Waterways and scuppers to be put in next Dick
  18. woodrat
    Thanks Steven. Beautiful drawings. The sep de drisse (lower halyard block) is in the position seen in carracks, that is behind the main mast and, as it is a large carrack, is vertically extended to the keel . I note that it has two pulleys as does mine. In my round ship, which is a relatively small vessel, I have elected for a more aft placement which is seen on contemporary iconography. As is the case in dhows of comparable size, fixation to deck framing should be enough. Dick
  19. woodrat
    This block could deal with the halyard. Was there a diagram of the the sep de drisse? Dick
  20. woodrat
    Yes, fascinating. Here are some snips of the pump: Dick
  21. woodrat
    Here are the bilge pumps. These were made from single logs (hence their other name: elm tree pumps) which are reamed along their length to accept a simple leather basket . At this period (c 13) the pump was lifted by brute strength but later as in this picture of the Wasa bilge pump, a lever was fitted. Note how the log has been left au naturel and not chamfered as I have done Cheerio Dick
  22. woodrat
    This is what Michael of Rhodes said in the 15th century. They also could hook up a square sail for running if required. M. Burlet I think is saying there are 2 ropes from the halyard block to the yard. Looks like an interesting book. French is OK Dick
  23. woodrat
    Fantastic stuff, well researched. Does this imply two upper halyard blocks or one upper halyard block with two halyards leading off it. Could it be that the double pulley A 167 is the upper halyard block? This is a large vessel. This is the mizzen lateen from my venetian carrack showing a calcet with a single sheave Thanks, Steven, food for thought. Dick
  24. woodrat
    Thanks Yancovitch and everyone else for all the likes. The hull framing is directly taken from the comprehensive excavation of a wreck from the Po delta called the Contarina 1. the master frame is taken from a contemporary manuscript, the Libro di Navigar ( see earlier posts for details). As for deck framing, the deck machinery and hatches follow logically from the position of masts but are largely a matter of speculation, especially the knees. No claim is made for this vessel to be anything but a product of my imagination. Steven, thanks for the calcet details. This will be useful. I haven't thought about it yet but there is also the problem of the basket aft of the masthead and the Jacob's ladder to be considered. The Lomellina was a square rigged nave wasn't she? Perhaps this calcet can be adapted for latin rig. Cheers Dick
  25. woodrat
    As requested, some overall views showing deck furniture. All that is remaining is the log pumps. Still not sure whether to plank half the deck The companionway to the aft accommodation. Ladder to be added. Cheers Dick

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