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Kayak and Canoe Design Bulletin Board
Inuit design and lofting
Posted By: Mike Scarborough In Response To: More inuit rules. (Christer Samuelsson)
Date: Sunday, 24 October 1999, at 12:16 p.m.
I though a bit last night about designing a baidarka-type boat and building it in wood strips. To build a wood strip version you will need to make forms spaced about every foot along the length of the boat. The best way to do that is to loft the boat, either the traditional way-full sized on the floor, or on a computer with a CAD program. I consulted Wolfgang Brink's book on baidarka construction to see what it would take to loft his design. The steps to form the gunnels and keel were straight foreward. I got stuck at the step of bending the ribs. It seems that at this point there is a bit of builder discretion involved. But if you bent a couple of sample ribs to go amidships and at either end it should be possible to use them to establish a couple of key station cross sections and fair in the rest of the station from them.
The ribs of a baidarka are interesting because they are not necessarily fair in the fore and aft direction, but the stringers placed on them average out the differences to produce fair lines.
One question that I would have is "Would you attempt to duplicate the multi-chine shape of the skin-on-frame boat or would you round off the cross section shape to be a smooth curve?"
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