There were small stringers moulded on the original skin. The voids have been filled with carbon strands. Every bit helps I guess.

4Oz Glass. Epoxy resin glue was used directly onto the EPS core to fill the gouges, bond the CF strands and provide a strong bond between the original Corecell and the new.

200g Single bias carbon fibre. This weave provides longitudinal strength

Corecell.

200g CF cloth

Peel ply over laminates. Smooth out before vac bagging

Plastic film over peel ply stops vacum fabric sticking

Into the vac bag being careful not to over-suck compressing the EPS core leading to the need for lots of filler.