Designing a wood epoxy classical boat.

Discussion in 'Sailboats' started by Guest, Jan 29, 2003.

  1. Guest

    Guest Guest

    Hi everybody

    I'm new on this! I pretend to design and build a boat with classical lines and reasonable performances to be built in wood epoxy construction. I would like a medium displacement boat, 40 feet, round bilge, fin keel and with the rudder under the hull, away from the keel. At the same time I would like it strong and safe enough to be suitable at open sea as a cruising boat.
    It's very unusual to find designs with a modern underwater body and a classical upper body design. What I mean with "a classical upper body design" is that kind racers of America's cup of the beginning of 20th century. Of course it would be adapted for a fullness and heavier body, but keeping that concept (and with that stern). I realize that I will not have too much inside space and a good waterline length, but I don't mind very much with interior space and waterline length. I pretend a pretty good-looking boat that cruises in comfort for two couples and I don’t mind if a 40 feet boat has 32 feet waterline and becomes a little slower.

    The problem is that I don't know if this kind of boat will sail in safe conditions in rough open seas, comparing it with heavier classical designs for the same length.

    Could anyone give me an opinion about this? Is this viable? Is it possible to join together all this characteristics?

    Thank you
     
  2. gonzo
    Joined: Aug 2002
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    gonzo Senior Member

    Modern racers have shallow body lines and a lot of beam in proportion to length. Older designs, like the ones you refer to, have narrow beams with long overhangs. They are at the extreme opposites of design. It is possible to build an old design with modern methods. The rigging is one of the areas to modify. New materials for sail cloth makes them more stable and efficient. At the beggining of the 20th centurythe construction methods limited the loads acceptable for the hull and deck. You can increase the percentage of displacement the ballast would be. This can give more stability, bu the boat will be less seakindly. I think your best solution is to build a boat very similar to the traditional ones, but modify the design slightly to account for better construction techniques. Heavy designs only put more stress in a structure. It is a fallacy that an overbuilt boat is safer. I am a shipwright and marine surveyor. If you are in the Great Lakes area I could work with you in this projects. Also America's Cup racers of the early 20th century were about 100 feet in length. Maybe something along the lines of a 6 or 8 meter boat would suit you better. They are not extreme and do well in rough weather, while being of the style you are looking for. Let me know if you need trade references.
     
  3. poul
    Joined: Sep 2002
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    poul Junior Member

  4. Guest

    Guest Guest

    Thank you Poul!
     
  5. Guest

    Guest Guest

  6. Uli
    Joined: Sep 2001
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    Location: Germany

    Uli Senior Member

    This is the 36'' daysailer
     

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  7. Stephen Ditmore
    Joined: Jun 2001
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    Location: South Deerfield, MA, USA

    Stephen Ditmore Senior Member

    The W-46 is another example:
    www.w-class.com

    There was also a nice boat just under 40' built in northern England a few years back, the first for a Scandinavian client. They're probably being built still.
     
  8. Uli
    Joined: Sep 2001
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    Uli Senior Member

    If you are looking for something like a modern J class then you should take a look on the links I`ve posted

    This is a 72 ft. carbon version of the Endeavour called
    "Haven can wait" for sure it can if you have this boat!!!!!

    http://www.nissen-yachtdesign.de/index2.html
    you just cilck Einzelbauten and then 72 ft. Classic Seekreuzer you will also find some plans of it.

    but they are also building a 50 ft. one in wood

    www.bootswerft-wagner.de/Neuheiten/neuheiten.html
     

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  9. poul
    Joined: Sep 2002
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    poul Junior Member

  10. Polarity
    Joined: Dec 2001
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    Location: UK

    Polarity Senior Member

    Hmmm

    Needs more varnish...:)
     
  11. Jeff
    Joined: Jun 2001
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    Location: Great Lakes

    Jeff Moderator

    Wow! Beautiful.
     
  12. Guest

    Guest Guest

    Hi,

    I'm having here my GRP-boat of 35ft at Mallorca, Spain for charter, my neighbour in the harbour showed me a few weeks ago some plans of such a boat like you described. He is thinking about an order - he does not want to sail hos jeanneau anymore. God give ME some more money to do so!
    Some German guys designed it...if necessary I can ask him for more details and the address of the designer and the shipyard. He told be about a quite low price...

    regards

    Emilio
     
  13. Stephen Ditmore
    Joined: Jun 2001
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    Location: South Deerfield, MA, USA

    Stephen Ditmore Senior Member

    Check out www.sheevra.com
    - a very beautiful recent van de Stadt design. I'm very taken with this boat, which I just now stumbled across.
     

  14. User_U
    Joined: Jan 2002
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    Location: Hamburg, Berlin, Germany

    User_U Junior Member

    Hello,

    I think it is possible to buildt such a boat because we will do itwithin the next weeks - maybe it is not 100% the same you ask for, but for 90% it fitts ;)

    A 40ft modern retro cruiser withwestsys. epoxy and mahagoni, standard equipment in a high quality with a modern rigg.

    Depends on the customer when we will start to biuldt - hoepfully within the next weeks.

    Greets from germany
     

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