Check out the way Nautiraid does it here.
http://www.brunel.ac.uk/~acsrrrm/kayak/nautiraid/photos.html
They use brass channel. The wood is simple butted together, no halved ends.
Somehow they got a pin in each piece, through the channel, so each wood
section fold in together. What you end up with is a tall skinny "T".
I'm sure I've seen hinges used as well.
No wonder, your arms were stiff.
Paul
>
>Hi Paul,
>
>Believe it or not, by bending them inwards you can
>engage and disengage the ends, built exactly as
>Blandford specifies. It's tough, though! The centre
>frame then locks everything into place.
>
>I used aluminium channel in place of the brass, too.
>
>Bill
>Forgot to mention, I steam bent all the stringer and
>gun'l sections so they'd take up the correct curve
>without bending - particularly severe near the stern.
>
>They still pack away nicely, but it's a lot easier to
>assemble without straining the joints.
>
>I dream about thinking up some kind of hinge
>arrangement, like the keel ladder has, for the gun'ls
>and stringers. Maybe doable if the gun'l and a chine
>stringer were made up like a ladder. Trouble is,
>there'd be 'steps' where they overlap.
>
>Bill
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