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

MIRA-Wood

Plywood

Bulkheads 9mm.ply 9 sheets
Inner keel 12mm ply 2 sheets
Wing 9mm ply 6 sheets
Hull planking 9mm Ply 35 sheets
Cabin sides 9mm ply 2 sheets
Decks 8 or 9mm ply 12 sheets
Beams 12mm ply 1 sheet
9mm Ply 7 sheets
Platform 9mm ply 2 sheets
Centreboard 18mm ply 1 sheet
Interior 6mm ply 8 sheets
9mm ply 4 sheets

Totals

8 or 9mm ply 12 sheets
9mm ply 65 sheets
12mm ply 3 sheets
6mm ply 8 sheets
18mm ply 1 sheets

All plywood to be best quality marine grade gaboon (okoume), standard sheet size 8 x 4

Timber

Timber sizes are nominal planed all round (PAR).Final sizes are approx 5mm smaller. e.g. 1"x l"=2Ox2Q, 2"x l"= 45x2O. Use best. quality softwood,e.g. Douglas Fir, Sitka Spruce.

1" x 1" 60m
2"x l" 220m
1 1/2"x 3/4" 220m
3"x l" 150m
4" x l" 50m
3"x 2" 5.7m 10 off beams, 2"xl" 5.7m 20 off beams
1 1/2" x 1 1/2" 20m
2"x 5/8" 20m
3x 1 1/2" 20m
3"x2" 10m
2"x2" 10m
¾" timber,widths vary (for keels) 12m2 total

Screws 1000 1"xno8
Nails 400 3/4" xno6. ,
5kg 1" "Gripfast"’
40kg epoxy glue,
25’Kg 300g.- cloth for sheathing.

MIRA-Solid G.R.P. Hulls/Plywood Decks

Hull skins:

Gelcoat (white is easiest to touch up/paint match) 50 kg approx

225 g Chopped Strand Mat (3/4 oz CSM) 20 kg

600/300 g Ultimat, Rovimat or equivalent 240 kg

Polyester resin 400 kg

Joints:

600/300 g Rovimat 35 kg

450 g CSM 20 kg

Polyester resin 80 kg

Sheathing decks:

300 g glasscloth 10 kg

epoxy resin 15 kg

PLYWOOD:

4 mm ply 4 sheets

6 mm ply 6 sheets

9 mm ply 47 sheets (decks (12 sheets) can be 8 mm)

12 mm ply 1 sheet

18 mm ply 1 sheet

Note: plywood to be good quality gaboon (okoume) marine ply.

TIMBER:

1"x1"(20x20mm) 50 metres

2"x1"(45x20mm) 160 metres

2"x1"(45x20mm) ....................8off 5.6 metres long cross beams

4off 3.4 metres long "

2" x 2" (45 x 45 mm)............... 4 off 5.6 metres long "

2 off 3.4 metres long "

3"x2" (70x45mm) 10 metres

2"x2" (45x45mm) 10 metres

Note: timber to be good quality sitka spruce, douglas fir or similar.

MIRA-Strip Plank Cedar Hulls, Ply Decks

Hull Skins

Approx. 60m2 total area required e.g. 1350m of 2"x5/8" PAR Cedar (i.e. final size 50xl2mm)

Note: Widths can vary, but thickness must be 12mm

Glass Sheathing

50kg approx. 600g Biaxial glass

30kg approx. 300g Biaxial glass

100kg approx. epoxy glue (note glass must be compatible with epoxy)

30kg approx. polyurethene glue

Plywood

4 mm ply 4 sheets

6 mm ply 6 sheets

9 mm ply 47 sheets (decks (12 sheets) can be 8 mm)

12 mm ply 1 sheet

18 mm ply 1 sheet

Note: plywood to be good quality gaboon (okoume) marine ply.

T
imber

 

1" x 1" (20 x 20 mm) 50 metres

2" x 1" (45 x 20 mm) 200 metres

2" x 1" (45 x 20 mm) 8 off 5.6 metres - cross beams

....................................4 off 3.4 metres - "

2" x 2" (45x 45 mm) 4 off 5.6 metres - "

...................................2 off 3.4 meters - "

3" x 2" (70 x 45 mm) 10 metres

2" x 2" (45 x 45 mm) 10 metres

Note: timber to be good quality yellow cedar, sitka spruce, douglas fir or similar.