Plywood Boat M Timber including waste

FOR THE OTHER BOATS MULTIPLY THE LENGTHS WITH THE FACTOR F : 6.3 M BOAT. F = 1.2. 7.4 M BOAT: F = 1.4. 8.5 M BOAT: F = 1.6. NOTE: The keel for the 7.4 m and 8.5 m boats is 68 x 68 sawn from 75 x 150

TYPE OF

TIMBER

DIMENSION FROM SAWMILL mm

TOTAL LENGTH m

SAWING INTO SMALLER SECTIONS mm

TOTAL LENGTH m

PLANED DIMENSION mm

ITEM LETTER

Except where marked timber A

20 x 150

50 50 50 20 III I

16x44

25 x 150

75 75

20 x 143

20x68

20x44

20x32

38 X 150

75 75

50 50 50

32 x 143

32x68

32x44

38 x 200

32 x 193

50 X 150

75 75

37 37 37 37

44x68

25x44

75 x 150

68 x 143

25x68

Marine plywood 9 mm in sheets 1.2 m x 2.4 m Total = 7 sheets

Optional floorboards not included except forward.

Rubbish Fishing Boat
Side forward

Bottom aft

Side midship

Side midship

Bottom aft

PLYWOOD BOATS - MATERIALS

51

TIMBER ( Including 25% waste)

TYPE

DIMENSION FROM SAWMILL

TOTAL LENGTH OF TIMBER IN METRES

OF

TIMBER

MM

5,2 M

6.3 M

7.4 M

8.4 M

INCH

BOAT

BOAT

BOAT

BOAT

A

25 X 150

1 x 6

2.0

3.5

5

6

50 X 150

2x6

3,2

4

75 x 150

3x6

2.5

2.5

8

9

A m3

0.06

0.07

0.09

0.12

20 X 150

%x6

8

10

11

13

25x150

1 x 6

21

22

23

24

Q

38 x 150

1 V2XÒ

17

20

24

27

D

38 x 200

1 y2x8

5

6

7

8

50x150

2x6

8

10

11

13

75 x 150

3x6

5

6

7

8

B m3

0.35

0.41

0.47

0.53

Total volume A + B in m 3

0.41

0.48

0.56

0.65

MARINE PLYWOOD , 9 mm,, sheet of 1,2x2.4 m

7 sheets

9 sheets

10 sheets

13 sheets

FASTENINGS AND MISCELLANEOUS

ITCKd

QUANTITY

llbM

5.2 M

6.3 M

7.4 M

8.5 M

BOAT

BOAT

BOAT

BOAT

Bolt, hexagonal head, hot dip

8x80

2

2

2

2

galvanized with nut.

8x90

5

6

2

2

Alternative: Cup - square coach

8x 100

3

4

bolt, hot dip galvanized with nut

8x110

5

6

8x 120

4

4

4

4

8x140

2

2

2

2

Barbed ringnail, flat head, 2.0 x 25 (14 SWG x 1 in )

2.5 kg

3.0 kg

3.5 kg

4.0 kg

bronze

3.2x32 (lOSWGxl 'Ain)

0.3 kg

0.4 kg

0.4 kg

0,5 kg

3.2x45 (lOSWGxl % In )

0.6 kg

0.7 kg

0.8 kg

1.0 kg

Alternative

: Round wire nail,

countersunk head, hot dip galvanized

2,6x30

( 12 SWG x 1 Vi in )

3.5 kg

4.0 kg

4.5 kg

5.0 kg

3,2 x 45 ( lOSWGxl 3Ain)

0,6 kg

0.7 kg

0.8 kg

1.0 kg

Woodscrew, AISI 316 Stainless steel

4,0 x 25

( 8 Gauge x 1 in )

100

100

100

100

5,0x50

( 1 OGauge x 2 in )

60

75

85

100

5,0x63 (10Gaugexl Vain)

20

25

30

35

Epoxy glue including hardener

5.0 kg

6,0 kg

7.0 kg

8.0 kg

Filler for epoxy glue

1.0 kg

1.2 kg

1.4 kg

1.6 kg

Wood primer

5.0 kg

6.0 kg

7.0 kg

7.0 kg

Paint

6.0 kg

7.0 kg

8.0 kg

8.0 kg

Antifouling paint

1.0 kg

1,0 kg

1.5 kg

2.0 kg

Paint thinner

2 L

2 L

2 L

2 L

Buoyancy material, polyurethane, polystyrene,

0.1 cub.m

0.1 cub.m

D.l cub.m

0.1 cub.m

Emergency sail and rudder fittings, see drawing.

Note: Two component polyurethane paint will give

a much more durable finish than ordinary

oil paints

DIMENSIONS OF FRAMES ARE SAME AS FOR PLANKED CONSTRUCTION

The bottom part of the frames forward of midship must be curved because of the natural bending of the plywood. The depth of the cutout for the batten must be determined in place as shown on page 41 and 56.

FRAME 3

FRAME 3

Straight line from frame dimensions

Use flexible batten to draw curve

Straight line from frame dimensions

FRAME 4

Use flexible batten to draw curve

FRAME 4

Remember that this distance is 12 mm lower than for planked construction except for the forward frame

Remember that this distance is 12 mm lower than for planked construction except for the forward frame

TRANSOM

Plw 9

Cut from © 32x143

, Plywood pad on inside glued in place

Wood plate 20 x 193 bolted on outside same as for planked transom

Plywood Boat

Wood plate 20 x 193 bolted on outside same as for planked transom

Curve in aft deck determined after fixing sheer batten

Plw 9

Cut from © 32x143

Construction base

Curve in aft deck determined after fixing sheer batten

Construction base

<--►

Î

y/jjji a

< 108 ►

FRAME CONSTRUCTION IS SAME AS SHOWN FOR PLANKED CONSTRUCTION EXCEPT FOR GLUED GUSSET

FRAME CONSTRUCTION IS SAME AS SHOWN FOR PLANKED CONSTRUCTION EXCEPT FOR GLUED GUSSET

Rubbish Fishing BoatIce Boat Designs
to obtain glue pressure
Plywood Boat

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