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

Materials List


Bulkheads  3 sheets 6mm ply
Topsides  12 sheets 6mm ply
Keelplanks 2 sheets 9mm ply
Decking/Cabin 6 sheets  6mm ply
D'board/Beamboxes 3 sheets 6mm ply
D'boards/Rudders 2 sheets 12mm ply
Beams 2 sheets 6mm ply
Platform 1 sheet 9mm ply

TOTALS: 26 sheets 6mm ply
3 sheets 9mm ply
2 sheets 12mm ply

All plywood to be best quality marine grade Gaboon ply.
Sheet sizes are 8' x 4' (2440 x 1220)

All timber to be "Joinery Quality" or better softwood. Use Douglas Fir, Yellow Cedar, Sitka Spruce or similar. Sizes given are nominal "PAR" (Planed all Round) ie 2" x 1" has a "real" size of approx 45mm x 20mm


1"x 1" 90m plus 8 off 3.5m for beams
2" x 1" 110m plus 4 off 3.5m for beams

11/2" x 5/8" 10m (deck stringers) or use 11/2" x 3/4"
11/2" x 11/2" 8m (D'board boxes)
5" x 1" 5m (stem)
3" x1" 4m (platform)
3" x 3/4" 15m (platform beam) or use 3" x 1"
3" x 11/2" 2m (tillers)

GLUE: 8Kg epoxy (for beams and high stress joints)
10Kg epoxy or  polyurethene (for general glueing) plus fillers etc
1 roll 100mm wide glass tape (or 5Kg Biaxial glass)
If sheathing add 20Kg epoxy and 15Kg 300g glass cloth
Fastenings Approx 2Kg 1" CS Gripfast nails, 1Kg 3/4" CS Gripfast nails or st steel screws

Paint sufficient for 5 coats approx 201tr total