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Re: Problem with lofting the Guillemot double

Posted by: Nick Schade - Guillemot Kayaks on December 8, 1999


The Guillemot Double endform offsets are off by an even 2". I forget if it is high-or-low, but it will be obvious.

> Nick, I bought your book "the Strip- Built Sea Kayak" it has
> given me much useful information. I used the data from (figures 4-9 &
> 4-12) to enter the points in Autocad to generate the forms for the
> "Guillemot" . Minor problems with a few points which appear to
> be corrected in your updates and corrections listed on this site. I then
> did the same for the Guillemot Double and ran into significant
> differences. Using figures 4-13 & 4-15 for forms 1/2, 1, 19, 19 1/2,
> Bow, and Stern the top dimensions are offset when compared to the height
> of the end form bow and stern dimensions at 12" and 18". Example
> 1/2 form at 0 and 11.40" doesn't match the bow 18" length with a
> height of 9.34" this would put the 1/2 form approx. 1.9" above
> the top of the end form at the position it should be attached. If I did
> something wrong I would expect to have to same problem with both boats not
> just one. Seeing as how I have decided to build the double I could use
> some help in effecting and fix or helping me see what I am doing wrong.


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