The Stern frame was constructed from five layers of 9mm plywood on a profile in order to get the correct curve. The first layer was srewed onto the profile and then each successive layer was glued and clamped to this in order to obtain the correct thickness. Note that the joins on each successive layer overlaps the previous one thus creating an interlocking effect for maximum strength. This was also the case for the other frames and obviated the need of gussets for strength.
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