Subject: Re: [baidarka] Fitting ribs
From: wolfgang brinck (nativewater@yahoo.com)
Date: Thu Dec 02 2004 - 09:49:26 EST
--- Hyok Lee <hyok@mindspring.com> wrote:
>
> My question is, should I not have the bow piece and fin in place
> when I fit the ribs, so that I would get the true height necessary.
> And to get the true height, then it seems the keelson would have
> to be in its final shape (even if it were to be 3 piece).
>
I think I see what you are asking. The parts of the boat are not
pre-fabricated and then assembled. In whatever order you build the
boat, the new parts you add are fitted to what you already have in
place. If you put the ribs in first, then the tail fin is fit to the
keelson whose position is determined by the ribs. That is, you don't
shape the tailfin until you know where the keelson will fall which
you don't know until you lash it to the ribs.
If you put the keelson and the tailfin in first, then you fit the
ribs to the keelson.
As for the bow with the three piece keelson, the top half of the bow
is separate from the bottom half which is the front part of the
keelson. You fit the top half of the bow piece to the gunwales and
the deck.
If you build ribs first, you don't carve the bottom of the bow, the
first section of the keelson until after the ribs are in. And as you
suggested, you can use a cardboard pattern to help that process.
Some people do a one piece keelson and a one piece bow assembly. They
build the bow assembly oversize and then plane it to match up with
the curve of the keelson.
Wolfgang
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