Re: [Paddlewise] Ellesmere (was: the never ending stability thread)

From: ralph diaz <rdiaz_at_ix.netcom.com>
Date: Wed, 22 Nov 2000 11:39:39 -0800
Melissa Reese wrote:
> 
> Hi Joan,
> 
> There's a review of the Ellesmere in the Feb. 2000 Sea Kayaker, and
> there, you can see the "inverse" chines.  It's an interesting looking
> chine arrangement.  It has a second, "upper chine" that curves down
> at either end.  It also has a rounded hull instead of a shallow V.  I
> haven't paddled one yet, but I'm very interested in trying it.  I
> have no idea of the "notchiness factor" of this boaty.

In a sense, the chines on all folding kayaks are "inverse."  All folding
kayaks, by definition, are hard-chined because of their use of
longitudinal stringers running the length of the boats.

The inverse factor is apparent if you sit in a folding kayak on the
water and look down inside with the clearest example being
Feathercrafts.  Water pressure pushes up against the skin between
between the keel bar and stringers on each side.  Looking at just one
side, you will see an elongated concave pocket (or convex, depending on
how you view it) created between the keel bar and the chine bar and
another similar pocket between the chine bar and the gunwale.  Now
switch to a straight-on profile look at the boat.  These concave (or
convex) pockets, in effect, invert the chine as they curve inward above
and below the chine.

That feeling of notchiness that has been described here is nothing new
to a folding kayaker.  When you tip a foldable to one side, you most
definitely feel the notches or inversion of the chines.  It is more
noticable in slimmer folding kayaks like those from Feathercraft which
are easier to dip to one side than broader ones.   Also, Feathercraft
seems to cut their hulls a bit looser than other manufacturers (or they
appear that way) and that makes those concave pockets more pronounced. 
I see the difference is quite significant when I compare what the pocket
appears like in my Nautiraid single as opposed to my Feathercraft
K-Light.  The indent of the pocket on the Nautiraid is much more shallow
than the one of the K-Light.

ralph diaz
-- 
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Ralph Diaz . . . Folding Kayaker newsletter
PO Box 0754, New York, NY 10024
Tel: 212-724-5069; E-mail: rdiaz_at_ix.netcom.com
"Where's your sea kayak?"----"It's in the bag."
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Received on Wed Nov 22 2000 - 09:32:28 PST

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