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Re: [AtkinBoats] Re: A few questions about Wakeful

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  • Kenneth Grome
    Yes displacement hulls can go very fast, here s a modern example of the concept: http://boatdesign.net/gallery/showphoto.php/photo/529/limit/views or
    Message 1 of 5 , Mar 30, 2006
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      Yes displacement hulls can go very fast, here's a modern example of the concept:

      http://boatdesign.net/gallery/showphoto.php/photo/529/limit/views

      or

      http://tinyurl.com/7lk7z

      Kenneth Grome
      Bagacay Boat Works






      On Thu, 30 Mar 2006 22:05:42 -0000, adharvey2 wrote:
      > Steve, I too have been a little confused by some of the Atkin utility/
      > runabouts and their respective relationships to the usual division
      > between planing hulls and displacement hulls. They do blur the line,
      > as John says. I spent a considerable amount of time trying to figure
      > out how Rosdave, a round bildge, practically double ended (on the
      > waterline, anyway), relatively low powered boat could make 17 mph.
      > Then I read an article by Dave Gerr in an old "Boatbuilder" about how
      > narrow hulls can push the usual displacement speed/length ratio of 1.3
      > (or whatever it is) significantly up and gave a formula for doing
      > this. Sure enough if you have a stepson who knows how to work those
      > numbers with fractional, negative exponents stuck to them, seemingly
      > displacement hulls can go pretty darn fast!
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