Copyright 2022 - 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

Hard Chine Plywood Hulls, Ply Decks

Note this list excludes errors and waste

Hulls:
26 sheets 9mm ply
110m 3" x 1"
200m 1 1/2" x 3/4"
8m 8" x 1" (for stem, or laminate from narrower strips)
Glass (to be compatible with epoxy)
60 Kg 600g Woven Roving or Biaxial Glass
25 Kg 300g cloth for sheathing
120Kg Epoxy resin
Note polyurethene glue (eg Balcotan) can be used instead of epoxy for interior fitout and lightly loaded above WL parts

Bulkheads, Bridgedeck, Keels  etc:
16 sheets 9mm ply
12 sheets 12mm ply
3" x 2" 20m
2" x 1" 50m
3" x 1" 35m
4" x 1" 5m
300g cloth 10Kg

Decks
2 sheets 6mm ply
16 sheets 9mm ply
5 sheets 12mm ply
300g cloth 20Kg

Epoxy 170Kg

Interior
6 sheets 4mm ply
10 sheets 6mm ply
6 sheets 9mm ply
1" x 1" 30m
2" x 1" 20m

Note: use 1" x no8 st steel screws for 9mm ply, 3/4" no6 for 6mm ply
Use 1" and 3/4" CS barbed ring nails, approx 5Kgs total required, or st steel screws

All timber to be best quality sitka spruce, douglas fir, yellow cedar or similar. Sizes given are nominal, planed all round (PAR) ie 2" x 1" has an actual planed size of approx 45mm x 20mm