Silje: ORC Rating

GPH

640.5

OSN

620.4

LOA

12.2 m

Displacement

7992 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6966

Medium

0.9579

High

1.1199

Triple Offshore

Low

0.9015

Medium

1.1985

High

1.3577

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.94 m
Draft: 1.99 m
Displacement: 7992 kg
Crew weight: 746 kg
Wetted surface: 34.39 m²

Sails

Mainsail: 39.03 m²
Genoa: 47.32 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.

6,44,4.559737,52,5.03,60,5.32,75,5.55,90,5.5,110,5.37,120,5.2,135,4.67,145.7,4.152048,150,3.96
8,41.8,5.338871,52,6,60,6.31,75,6.57,90,6.52,110,6.56,120,6.35,135,5.8,147.4,5.175367,150,5.04
10,41.6,6.057785,52,6.78,60,7.04,75,7.22,90,7.29,110,7.35,120,7.22,135,6.76,147.2,6.103026,150,5.93
12,40.9,6.575349,52,7.21,60,7.4,75,7.56,90,7.69,110,7.77,120,7.68,135,7.39,147.5,6.876996,150,6.69
14,39.8,6.742303,52,7.42,60,7.6,75,7.79,90,7.93,110,8.12,120,8.03,135,7.77,149.7,7.215696,150,7.2
16,39.2,6.813391,52,7.5,60,7.71,75,7.98,90,8.1,110,8.48,120,8.43,135,8.11,150,7.54,171.1,6.852505
20,39.3,6.861882,52,7.55,60,7.78,75,8.18,90,8.55,110,9.02,120,9.23,135,8.9,150,8.07,178.2,7.593747

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.32	5.55	5.5	5.37	5.2	4.67	3.96
8	6	6.31	6.57	6.52	6.56	6.35	5.8	5.04
10	6.78	7.04	7.22	7.29	7.35	7.22	6.76	5.93
12	7.21	7.4	7.56	7.69	7.77	7.68	7.39	6.69
14	7.42	7.6	7.79	7.93	8.12	8.03	7.77	7.2
16	7.5	7.71	7.98	8.1	8.48	8.43	8.11	7.54
20	7.55	7.78	8.18	8.55	9.02	9.23	8.9	8.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	3.28	145.7°	3.43
8	41.8°	3.98	147.4°	4.36
10	41.6°	4.53	147.2°	5.13
12	40.9°	4.97	147.5°	5.8
14	39.8°	5.18	149.7°	6.23
16	39.2°	5.28	171.1°	6.77
20	39.3°	5.31	178.2°	7.59

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°	5.03	6.00	6.78	7.21	7.42	7.50	7.55
60°	5.32	6.31	7.04	7.40	7.60	7.71	7.78
75°	5.55	6.57	7.22	7.56	7.79	7.98	8.18
90°	5.50	6.52	7.29	7.69	7.93	8.10	8.55
110°	5.37	6.56	7.35	7.77	8.12	8.48	9.02
120°	5.20	6.35	7.22	7.68	8.03	8.43	9.23
135°	4.67	5.80	6.76	7.39	7.77	8.11	8.90
150°	3.96	5.04	5.93	6.69	7.20	7.54	8.07