DUDLEY DIX YACHT DESIGN

Sea3Pio


Plywood Trimaran

TIMBER LIST

The following list of materials is approximate and intended for calculation of approximate costs. We offer no guarantees of accuracy.

The list is for all timber in the construction of hull, deck and bulkheads of main hull and amas, excluding building stocks, temporary bracing etc. Allowance has been made in the quantities for 20% wastage.

OKOUME MARINE PLYWOOD 1,22x2,44m (4'x8')
4mm - 24 sheets
6mm - 5 sheets
9mm - 2 sheets
12mm - 1/2 sheet

WESTERN RED CEDAR or similar, selected, free of knots, shakes fractures etc
5x30mm (3/16"x1 1/4") - Laminated frame - 10m (33')
20x20mm (3/4"x3/4") - stringers, framing - 140m (460')
20x30mm (3/4"x1 1/4") - ama deck stringers - 10m (33')
20x36mm (3/4"x1 1/2") - framing - 1m (3')
25x25mm (1"x1") - stringers - 122m (400')
25x32mm (1"x1 1/4") - sheer clamps, framing - 16m (53')
25x36mm (1"x1 1/2") - framing - 1m (3')
25x50mm (1"x2") - framing - 3m (10')
32x65mm (1 1/4"x2 1/2") - framing - 4m (13')
MAHOGANY or similar, selected, free of knots, shakes fractures etc
15x30mm (5/8"x1 1/4") - Trims - 5m (16')
15x100mm (5/8"x4") - centreboard casing top - 1m(4')
20x200mm (3/4"x8") - step - 0.3m(1')
25x32mm (1"x1 1/4") - tiller - 4m (13')

FIBREGLASS MATERIALS
100mm (4") Glass tape - 250m (800')
Epoxy laminating resin & hardener - 55 litres (15 gals)

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This page was updated 23 October 2026

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