Windsong II: ORC Rating

GPH

671.2

OSN

648.8

LOA

10.96 m

Displacement

6274 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6638

Medium

0.9194

High

1.0957

Triple Offshore

Low

0.856

Medium

1.1432

High

1.3123

Boat Specifications

Dimensions

Length overall: 10.96 m
Beam: 3.78 m
Draft: 1.95 m
Displacement: 6274 kg
Crew weight: 620 kg
Wetted surface: 27.3 m²

Sails

Mainsail: 30.19 m²
Genoa: 37.01 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 67.94 m²

Design

Type: SUN OD 37
Builder: Jeanneau
Designer: Jacques Fauroux
Year built: 1997

Performance data

Polar CSV

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

6,43.1,4.286718,52,4.78,60,5.03,75,5.24,90,5.18,110,5.11,120,4.93,135,4.45,147.3,3.897752,150,3.79
8,41.6,5.041468,52,5.66,60,5.95,75,6.2,90,6.15,110,6.22,120,6.01,135,5.47,150,4.82,151.2,4.758608
10,41.7,5.705575,52,6.4,60,6.67,75,6.86,90,6.95,110,6.99,120,6.85,135,6.39,150,5.68,153.7,5.510401
12,41.1,6.237033,52,6.86,60,7.05,75,7.2,90,7.34,110,7.39,120,7.3,135,7.01,150,6.48,155.3,6.218986
14,40.3,6.49037,52,7.09,60,7.27,75,7.44,90,7.61,110,7.73,120,7.64,135,7.38,150,7.03,171.3,6.383449
16,39.9,6.582676,52,7.21,60,7.41,75,7.64,90,7.79,110,8.07,120,7.98,135,7.71,150,7.37,180,6.88
20,40,6.644523,52,7.27,60,7.52,75,7.94,90,8.17,110,8.66,120,8.67,135,8.41,150,8,180,7.55

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.03	5.24	5.18	5.11	4.93	4.45	3.79
8	5.66	5.95	6.2	6.15	6.22	6.01	5.47	4.82
10	6.4	6.67	6.86	6.95	6.99	6.85	6.39	5.68
12	6.86	7.05	7.2	7.34	7.39	7.3	7.01	6.48
14	7.09	7.27	7.44	7.61	7.73	7.64	7.38	7.03
16	7.21	7.41	7.64	7.79	8.07	7.98	7.71	7.37
20	7.27	7.52	7.94	8.17	8.66	8.67	8.41	8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.13	147.3°	3.28
8	41.6°	3.77	151.2°	4.17
10	41.7°	4.26	153.7°	4.94
12	41.1°	4.7	155.3°	5.65
14	40.3°	4.95	171.3°	6.31
16	39.9°	5.05	180°	6.88
20	40°	5.09	180°	7.55

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°	4.78	5.66	6.40	6.86	7.09	7.21	7.27
60°	5.03	5.95	6.67	7.05	7.27	7.41	7.52
75°	5.24	6.20	6.86	7.20	7.44	7.64	7.94
90°	5.18	6.15	6.95	7.34	7.61	7.79	8.17
110°	5.11	6.22	6.99	7.39	7.73	8.07	8.66
120°	4.93	6.01	6.85	7.30	7.64	7.98	8.67
135°	4.45	5.47	6.39	7.01	7.38	7.71	8.41
150°	3.79	4.82	5.68	6.48	7.03	7.37	8.00