Here are pictures of how I redid MADLEE's bilge. Two 3/4" layers of plywood were chiseled out and replaced with three separate layers of fiberglass mat and roving per Catalina's spec. laying it flat on the bottom and running it up the bilge sides 6". To this, I added 18oz biaxial cloth (+-45) to: improve strength up the sides of the bilge, build up depth in the bilge floor and improve finished smoothness overall. I also put in two separate layers of 1/2" G-10 board. Since full length pieces were not possible to lay in, I staggered the layer's joints and set them with West System epoxy thickened w/ 406 adhesive filler. Sanded constantly to ensure good bond with succesive layers. Overcoated all with Interprotect 2000. The four "middle" bolts needed an extra block of G-10 so the washers would have sufficient flat space to bear the weight. Mast compression post will be similar, using 3/4" G-10. Still not done yet!!!!
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