Copyright 2021 - Woods Designs, 16 King St, Torpoint, Cornwall, PL11 2AT UK
  • production Strider 24

  • plywood Romany 34

  • lightweight 14ft Zeta mainhull

  • Strike 15 trimaran at speed

  • 28ft Skoota in British Columbia

  • 10ft 2 sheet ply Duo dinghy

  • 24ft Strider sailing fast

  • 36ft Mirage open deck catamaran

Bulkheads 6mm ply 4 sheets

Daggerboard and beam boxes 6mm ply 2 sheets
Decking 6mm ply 8 sheets
Beams 6mm ply 2 sheets
Rudders, daggerboards 12mm ply 3 sheets
Bunks etc 6mm ply 2 sheets
Note: Plywood should be best quality gaboon marine plywood

8mm thick western red cedar strips, sufficient for 35sqm total hull area.
Use approx 25mm wide strips for round bilge section 50mm wide strips on topsides.
Approx 17sqm of 25mm strips and 18sqm of 50mm strips required.

Hulls can also be built using double diagonal plywood (as Strider)
3mm plywood 12 sheets (hull bottoms) 6mm plywood 7 sheets (topsides)

1in x 1in 70m
2in x 1in 125m
11/2in x 3/4in 15m
11/2in x 11/2in 12m
3in x 11/2in 3m
3in x 1in 14m
2in x 2in 3m
2in x 11/2in 4 off 3m *
2in x 11/2in 4 off 4.4m *
1in x 11/2in 8 off 4.4m *

* Crossbeams for standard width boat. Add 1m for wide beam boat, for deep mast beam see website
4in x 2in cedar for outer stems

Note: All timber sizes are nominal, Planed all Round. So 1in x 1in has an actual size of approx 19mm x 19mm
Timber should be best quality softwood, eg yellow cedar, sitka spruce, Douglas fir or similar

Glass and Glue
300g/sqm biaxial no crimp glass 35kgs (to be compatible with epoxy) 60kg min epoxy glue for sheathing and structural joints
Note cedar strips can be glued with a polyurethane glue.
Deck sheathing requires an additional 20sqm 200g glass cloth
Plus fillers etc as required