Preparing for carbon tow carry under spars

1/16" ply spar formers were fabricated

Spar formers marked and ready to cut

Dry fit of spar formers after cutting

Bottom view of spar formers with pipe channel cut out

Balsa separators dry fit to keep the formers square

Spar formers glued in with thickened epoxy

Epoxy cured

Pipe channel sanded smooth and high spots removed with sanding mandrel and 80 grit paper

Finished spar formers