scaling down the 6 metre rule

Discussion in 'Boat Design' started by Omer Oppenheimer, Sep 16, 2018 at 4:14 AM.

  1. Omer Oppenheimer
    Joined: Sunday
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    Location: israel

    Omer Oppenheimer New Member

    hi everyone
    i'm a first time poster and hopefully soon builder

    i want to build a displacement dinghy on classic lines (6 metre rule tribute). the idea is that the deck will be flush and except for the cockpit leg room, will basically be a big raft, with combing protecting the cockpit. i hope to make something fast and light, that i can cam out on using a mesh tent from the boom. so the length of the boat from the combing back needs at least 2 meters. this can include the overhangs.
    ive never heard of this design. is there a reason why not?
    how can i scale down something like a 6 metre rule sailboat, to the length of 3.5- 4 meters? thank you all in advance
     
  2. Doug Lord
    Joined: May 2009
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    Location: Cocoa Beach, Florida

    Doug Lord Flight Ready

  3. Omer Oppenheimer
    Joined: Sunday
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    Location: israel

    Omer Oppenheimer New Member

    Indeed I have seen them, and they are beautiful. So scaleing up a 2.4 is also possible? It needs to be big enough and stable enough for two adults to sleep on the aft deck (that is an extention of the cockpit benches), and from what I understand this is a solo racer
     
  4. Dolfiman
    Joined: Aug 2017
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    Location: NICE (France)

    Dolfiman Senior Member

    2,4 m ji means Loa of about 4,2 m and displacement ~ 250 kg, but they are oriented to one adult (it is the class adopted for the competition of the disadvantaged).

    You have another very active class on Swiss lakes, the 15m2 SNS which are under the 4m ji rule, meaning Loa of about 6,8 to 7 m, displacement ~ 800 kg, for 3 adults , and very in line with beautiful hull lovers :
    Class web site : 15m2 SNS – 4mR http://www.15m2-sns-class.ch/
    Examples of design :
    http://www.15m2-sns-class.ch//wp-content/uploads/05_Sebschmidt_Plans_f.pdf
    Ruedi Stadelmann http://www.15m2-sns-class.ch/?page_id=2794
    EVINSA http://www.15m2-sns-class.ch/?page_id=11408

    May you can envisage an intermediate design between these classes, for your 2 adults objective.
     

  5. Omer Oppenheimer
    Joined: Sunday
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    Location: israel

    Omer Oppenheimer New Member

    Thanks! Evinsa is the closest design i'v seen yet. Didnt know about this class.
     
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