Silje: ORC Rating

GPH

636.9

OSN

617.6

LOA

12.2 m

Displacement

7906 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7006

Medium

0.9626

High

1.124

Triple Offshore

Low

0.9096

Medium

1.2038

High

1.3617

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.94 m
Draft: 1.99 m
Displacement: 7906 kg
Crew weight: 744 kg
Wetted surface: 34.26 m²

Sails

Mainsail: 39.04 m²
Genoa: 47.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 94.41 m²

Design

Type: Sun Od 40.3
Builder: Jeanneau
Designer: Daniel Andrieu
Year built: 2004

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.5,4.549375,52,5.1,60,5.43,75,5.68,90,5.61,110,5.43,120,5.24,135,4.7,145.4,4.191286,150,3.98
8,41.7,5.370741,52,6.07,60,6.4,75,6.67,90,6.64,110,6.62,120,6.41,135,5.83,147.3,5.204924,150,5.05
10,41.6,6.111275,52,6.82,60,7.07,75,7.27,90,7.3,110,7.38,120,7.25,135,6.79,147.1,6.133728,150,5.95
12,40.7,6.595137,52,7.24,60,7.43,75,7.59,90,7.69,110,7.78,120,7.7,135,7.41,147.6,6.881213,150,6.71
14,39.6,6.761727,52,7.44,60,7.63,75,7.82,90,7.93,110,8.13,120,8.05,135,7.78,149.7,7.227278,150,7.21
16,39,6.832693,52,7.52,60,7.73,75,8.01,90,8.11,110,8.5,120,8.44,135,8.13,150,7.55,171.1,6.862627
20,39,6.871296,52,7.57,60,7.8,75,8.2,90,8.56,110,9.03,120,9.24,135,8.92,150,8.08,178.2,7.603752

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.1	5.43	5.68	5.61	5.43	5.24	4.7	3.98
8	6.07	6.4	6.67	6.64	6.62	6.41	5.83	5.05
10	6.82	7.07	7.27	7.3	7.38	7.25	6.79	5.95
12	7.24	7.43	7.59	7.69	7.78	7.7	7.41	6.71
14	7.44	7.63	7.82	7.93	8.13	8.05	7.78	7.21
16	7.52	7.73	8.01	8.11	8.5	8.44	8.13	7.55
20	7.57	7.8	8.2	8.56	9.03	9.24	8.92	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.3	145.4°	3.45
8	41.7°	4.01	147.3°	4.38
10	41.6°	4.57	147.1°	5.15
12	40.7°	5	147.6°	5.81
14	39.6°	5.21	149.7°	6.24
16	39°	5.31	171.1°	6.78
20	39°	5.34	178.2°	7.6

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.10	6.07	6.82	7.24	7.44	7.52	7.57
60°	5.43	6.40	7.07	7.43	7.63	7.73	7.80
75°	5.68	6.67	7.27	7.59	7.82	8.01	8.20
90°	5.61	6.64	7.30	7.69	7.93	8.11	8.56
110°	5.43	6.62	7.38	7.78	8.13	8.50	9.03
120°	5.24	6.41	7.25	7.70	8.05	8.44	9.24
135°	4.70	5.83	6.79	7.41	7.78	8.13	8.92
150°	3.98	5.05	5.95	6.71	7.21	7.55	8.08