1 ~ STRINGER DOUBLERS
The drawings show U-shape plywood doublers both sides of each bulkhead where each stringer passes through. I did this to increase the gluing area between the stringers and bulkheads. This is the way that I built "Black Cat" and her structure has proven to be very strong despite the light weight.
I now feel that the doublers are probably not contributing much, if anything to the strength. Cutting, finishing and fitting the doublers is time-consuming work but they do make a neat finish. If you leave them out, they must be replaced by epoxy fillets to all three faces of the stringer. The fillets are messy work, so I will leave it to you to figure which detail suits your style better.
CONSTRUCTION PHOTOS (This section will expand to cover most aspects of the build)
Page 1 - Bulkheads & stocks
Page 2 - Hull stringers
Page 3 - Laminated floors
Amateur projects for more construction photos.
Sailing photos
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