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The backbone has now been fitted. It locks egg-crate fashion into notches in the bulkheads for perfect alignment. It has doublers each side forward of bulkhead 1, giving the thickness and stiffness needed for shaping the forefoot and the strength needed for carrying rig loads. The stringers are now being fitted as well, slotting into notches in the bulkhead edges.
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Same stage, looking aft. The top stringer in this photo is the upper tangent stringer. It is recessed below the edges of the bulkheads because it is to receive a doubler over it, which finishes flush with the bulkhead edges.
It can be seen in this photo that bulkhead 0 is fitted to the front of the vertical part of the backbone that forms the stem.
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All stringers have now been fitted and the sheer clamps are going on.
This is kit #2. The hull visible at the left of the photo is kit #1 almost ready for final painting.
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Stringers and sheer clamps complete. The two broad stringers are at the tangents where the flat plywood sheets of the sides and bottom meet the radius of the turn of bilge. The sheer clamp is positioned diagonally across the hull/deck intersection as the beginning of the rounded sheer detail.
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Same stage. The lower sections of the bow have considerable hollowness when viewed on plan. The tangent stringers and radius stringers must be pulled into the notches of bulkhead 1 and must fair as a smooth concave curve into the bow profile. Elsewhere in the hull they lie naturally in their slots with little effort. The sides of the backbone are planed to align with the stringers and form a gluing surface for the skin.
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The plywood doublers have been fitted to the tangent stringers. They are cut to fit between the bulkheads.
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Here the hollowness of the bow sections can be seen from the line of the stringers. The two broad stringers are the tangent stringers with doublers fitted. The diagonally positioned sheer clamp can also be seen. It is fastened to the bulkheads by means of small timber blockings.
To this stage she has taken approximately 45 hours to assemble.
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