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Kayak and Canoe Design Bulletin Board
Re: Hull design help.
Posted By: Mike Allen In Response To: Hull design help. (paul woolson)
Date: Thursday, 29 April 1999, at 3:37 p.m.
> I am in the planning stages for my second boat after just finishing my
> Guillemot. I once went on a trip in Alaska on boats that were EXTREMELY
> stable. The hull design had almost a 3 keel type of look to it if that
> makes any sense. If you look down the length, it almost makes a
> "M" shape. This boat will be intended for my daughter so I'm
> looking for something that won't be tippy at all. Any thoughts? How does
> one copy the design of a certain part of a boat. How do you go from
> looking at the physical piece to getting it down on paper? I'm not looking
> to rip off an entire boat but simply this hull design and incorporate it
> into a complete boat of my own design. Thanks in advance. PaulFor simplicity, design your kayak and ignore the m or triple keel shape. Then superimpose the keel shape on the centre form to suite your design intent. You should note that there is a compromise between stability and straight tracking here.) Then on subsequent form drawings stepping from the centre form, fair out the keels such that they disappear into the initial shapes at say the 1/4 points. Then build.
I think however, that it is more fun to build (design) a racehorse rather than a pig, so what I would do is to design and build without the keels. Then on the totally finished kayak I would glue and fair in 3 styrofoam rails (sponsons, keels?), glass them in and away you go! Then when your daughter grows up or you want to paddle it yourself or sell it, grind off the rails and you have a boat left that you wouldn't be ashamed of showing to the kayak krowd.
Mike
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