Back bracing work is done. Back bracing material is Sitka Spruce. Sitka has very good straight grain. Also, Sitka is the strongest spruce materials. I have been using the Sitka spruce for the back bracing. My back has 5x5 lattice bracing. Lattice bracing is very easy to install by using the vacuum bagging technique. Also, the lattice back bracing makes really beautiful 12' radius domed back. My back has relatively strong doming of 12' radius. So, the lattice bracing is the best for supporting back strongly without weigh increase penalty.
Next step is the slide making. I will laminate sides between African Padauk and the Alaskan yellow cedar.
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