Subject: [baidarka] Greenland kayak beam calculation
From: Phil Ellis (pcoellis@hotmail.com)
Date: Tue Jun 05 2001 - 20:13:12 EDT
So I've read both Petersen books, according to which my current boat inch or
so too narrow, and the Chris Cunningham article, which calls it 2" too
narrow and Bob Morris' book which says the same, perused the beam stats in
Petersen and the survey tables on David Zimmerly's web site, looked at the
pictures in La Civilization du Phoque and 'Og dens Redskaber, viewed Rolling
with Maligiaq, which also cites the "hips plus two fists" rule, but notes
that boats can be built to other specs, and finally relaxed enough in my 18"
wide Disko Bay replica to discover that it really does have secondary
stability and is a very entertaining boat despite all the intentional and
unintentional changes that occurred during construction, and I have a few
questions about beam calculation that I'd like to get answers to before I
start laying out another boat.
(1)Is the hips-and-two-fists rule common to hunting boats all across
Greenland, or does it vary with locality?
(2)What other uses are there for kayaks, and what rule applies in those
cases?
(3)What is the appropriate freeboard for a hunting boat, and how do I
compensate for removing the weight of all the junk they carry on deck?
(4)Has anyone collected a complete set of anthropomorphic rules for any of
the greenland kayak types? If so, where can I find it?
Thanks for any and all help.
Regards,
Phil
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