Bow Stern

Fron

t - 0

" [0

cm]

12"

[30.

48cm

]

30"

[76.

2cm

]

48"

[121

.92c

m]

66"

[167

.64c

m]

84"

[213

.36c

m]

102"

[25

9.08

cm]

120"

[30

4.8c

m]

138"

[35

0.52

cm]

Back

- 14

5" [

368.

36cm

]

314"

[8.

21cm

]

7" [

17.7

4cm

]

9516

" [2

3.59

cm]

103 8"

[26

.42c

m]

10"

[25.

33cm

]

814"

[20

.94c

m]

5716

" [1

3.77

cm]

158"

[4.

2cm

]

Center Line

Measuredfrom

Centerline

BottomSymetrical

Around Centerline

14"

Fron

t - 0

" [0

cm]

778"

[19

.98c

m]

24"

[60.

96cm

]

42"

[106

.68c

m]

60"

[152

.4cm

]

78"

[198

.12c

m]

96"

[243

.84c

m]

114"

[28

9.56

cm]

132"

[33

5.28

cm]

150"

[38

1cm

]

1541

3 16"

[393

.28c

m]

1316"[3cm]

118"[2.83cm]

1116"[2.66cm]

1"[2.54cm]

1"[2.58cm]

1332"[2.75cm]

1532"[2.95cm]

114"[3.2cm] 19

32"

[3.2

7cm

]

114"[3.18cm]

Baseline

SternBow Sides (Two Needed)

14"

Fron

t - 0

" [0

cm]

18"

[45.

72cm

]

36"

[91.

44cm

]

54"

[137

.16c

m]

72"

[182

.88c

m]

Cor

ner -

779

16"

[196

.97c

m]

84"

[213

.36c

m]

90"

[228

.6cm

]

102"

[25

9.08

cm]

150"

[38

1cm

]

1581

3 16"

[403

.43c

m]

1581

3 16"

[403

.43c

m]

1116"[1.7cm]

2"[5.07cm]

212"[6.31cm]

21316"[7.1cm]

3"[7.64cm]

3116

"[7

.7cm

]

4316

"[1

0.66

cm]

5116

"[1

2.8c

m]

51316"[14.77cm]

5716"[13.82cm] 43

4"[1

2.02

cm]

6116"[15.32cm]

618"[15.63cm]

114"

[28

9.56

cm]

132"

[33

5.28

cm]

ToplineTop Edge

Bottom Edge

Connectthe top and

bottomedges with

straightlines

Measuredfrom

Baseline

Measuredfrom

Topline

DistanceFromFront

DistanceFromFront

Ganymede Kayak Offsets

Use this information to draw out full size patterns of all the plywood parts of the kayak. Plot the points on a large sheet of paper and use a flexible piece of wood or metal to connect them with smooth curves

Refer to http://www.guillemot-kayaks.com/ for more information.

Ganymede Offsets by Guillemot Kayaks is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.Based on a work at www.guillemot-kayaks.com.

DistanceFromFront

96" [244cm] 190" [483cm]

23"

[58.

4cm

]24

3 4"[6

2.9c

m]

Either 2 sheets scarfed together,or to make them easier to handle:

Cut the 2 sheets approximately in half,and then scarf those pieces together.

One full sheet of plywood plus: –>

Suggested parts layout on 3 sheets of 4 mm Okoume marine Plywood

Front Deck Sides(Two Needed)

Fron

t - 0

" [0

cm]

18"

[45.

72cm

]

36"

[91.

44cm

]

54"

[137

.16c

m]

Cor

ner -

617

16"

[156

.12c

m]

66"

[167

.64c

m]

72"

[182

.88c

m]

761 2"

[19

4.28

cm]

1116"[2.75cm]

1316"[3.07cm]

114"[3.13cm]

114"[3.13cm] 1"

[2.

54cm

]

513 16

" [1

4.81

cm]

111 16

" [2

8.14

cm]

143 16

" [3

6.11

cm]

Fron

t - 0

" [0

cm]

18"

[45.

72cm

]

36"

[91.

44cm

]

54"

[137

.16c

m]

761 2"

[19

4.28

cm]

131316"[35.15cm]

9316"[23.41cm]

5516"[13.43cm]

2716"[6.23cm]

78 " [2.27cm]

1316 " [1.99cm]

72"

[182

.88c

m]

15"[38.1cm]

Measuredfrom

ToplineMeasured

fromBaseline

Topline

Back

- 0"

[0c

m]

18"

[45.

72cm

]

36"

[91.

44cm

]

54"

[137

.16c

m]

601 2"

[15

3.71

cm]

72"

[182

.88c

m]

803 8"

[20

4.21

cm]

84"

[213

.36c

m]

90"

[228

.6cm

]93

1 16"

[236

.41c

m]

96"

[243

.84c

m]

1 32"

[0.0

7cm

]

5116

" [1

2.83

cm]

827 32

" [2

2.46

cm]

113 16

" [2

8.43

cm]

121 2"

[31

.74c

m]

Cor

ner -

123

4" [

32.3

9cm

]10

1 2" [

26.6

5cm

]

513 16

" [1

4.76

cm]

Measuredfrom

CenterlineBack Deck

SymetricalAround Centerline

Centerline

Outer EdgeInner Edge

DistanceFromFront

DistanceFromFront

DistanceFromBack

Ganymede Offsets by Guillemot Kayaks is licensed under a Creative CommonsAttribution-NonCommercial-ShareAlike 3.0 Unported License.

Based on a work at www.guillemot-kayaks.com.

123 8"

[31.

48cm

]

1611

16"

[42.

38cm

]

205 8"

[52.

39cm

]

1218"[30.73cm]

11316"[4.65cm]

15"

[38.

08cm

]

1715

16"

[45.

49cm

]

814"[20.9cm]

158"[4.05cm]

914"

[23.

48cm

]

2"[5.13cm]

Forms

HullFront

HullBack

DeckFront

Back

- 0"

[0c

m]

1 2" [

1.27

cm]

112"

[3.

81cm

]21

2" [

6.35

cm]

312"

[8.

89cm

]41

2" [

11.4

3cm

]

712"

[19

.05c

m]

101 2"

[26

.67c

m]

131 2"

[34

.29c

m]

171 2"

[44

.45c

m]

211 2"

[54

.61c

m]

241 2"

[62

.23c

m]

271 2"

[69

.85c

m]

281 2"

[72

.39c

m]

291 2"

[74

.93c

m]

301 2"

[77

.47c

m]

311 2"

[80

.01c

m]

Fron

t - 3

2916

" [8

2.7c

m]

321 2"

[82

.55c

m]

315 16

" [1

0.03

cm]

614"

[15

.8cm

]77

16"

[18.

91cm

]81

4" [

20.9

9cm

]81

3 16"

[22.

42cm

]

911 16

" [2

4.58

cm]

913 16

" [2

5cm

]

958"

[24

.42c

m]

815 16

" [2

2.71

cm]

8" [

20.3

cm]

7116

" [1

7.87

cm]

534"

[14

.59c

m]

5316

" [1

3.25

cm]

4916

" [1

1.65

cm]

234"

[7.

06cm

]15

16"

[2.3

3cm

]

313 16

" [9

.68c

m]

12"[1.27cm]

1"[2.54cm]

Measuredfrom

Centerline

Centerline

DistanceFromBack

Draw out one Cockpit pattern as shown above. This can be used to mark the hole in the back deck. The coaming is made by stacking laminations. The riser is 3 layers of 4mm plywood. Use the cockpit pattern and offset it 1/2" [~1cm] larger. For the lip offset the line 1" [~2cm] larger.

CockpitSymetrical

Around Centerline

The

Fron

t and

Bac

k fo

llow

con

tinuo

us s

moo

thcu

rves

acr

oss

the

cent

erlin

e