The second half was laminated in 3 steps using the 40cm extra layer area at the beam bulkheads as an overlap. The stringer was done together with the bow section. I had no problems with the vakuum this time. The solution was an 20 cm flange mold plate and a 12cm wide flange (the offcut from the 1m wide hull fabric) fabric layer as a sealing surface.
The next half i will do in 2 steps (stern>fwd beam, fwd beam > bow + stringer).
Finally i flipped around the form frames and build a wooden framework to lift the hulls up and later be used to lift the main hull.
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