BITTER END: ORC Rating

GPH

620.6

OSN

603.1

LOA

12.248 m

Displacement

9530 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7381

Medium

0.9969

High

1.1567

Triple Offshore

Low

0.9493

Medium

1.2274

High

1.3733

Boat Specifications

Dimensions

Length overall: 12.248 m
Beam: 3.95 m
Draft: 2.19 m
Displacement: 9530 kg
Crew weight: 727 kg
Wetted surface: 33.05 m²

Sails

Mainsail: 42.46 m²
Genoa: 54.8 m²
Spinnaker: 120.46 m²
Asymmetric spinnaker: 120.31 m²

Design

Type: SWAN 40
Builder: NAUTOR
Designer: G.FRERS
Year built: 1992

Performance data

Polar CSV

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

6,42.7,4.735244,52,5.29,60,5.56,75,5.78,90,5.74,110,5.66,120,5.51,135,5,145.7,4.466781,150,4.26
8,41.1,5.507168,52,6.22,60,6.54,75,6.77,90,6.74,110,6.85,120,6.66,135,6.09,150,5.32,150.4,5.301929
10,41.4,6.239076,52,6.93,60,7.14,75,7.28,90,7.36,110,7.46,120,7.36,135,7.01,150,6.24,151.4,6.161851
12,40.7,6.647898,52,7.24,60,7.41,75,7.56,90,7.63,110,7.81,120,7.75,135,7.5,150,7.04,155.4,6.774918
14,39.8,6.781351,52,7.4,60,7.58,75,7.76,90,7.84,110,8.11,120,8.08,135,7.84,150,7.49,171.8,6.850033
16,39.1,6.829488,52,7.47,60,7.67,75,7.92,90,8.05,110,8.36,120,8.42,135,8.18,150,7.81,180,7.31
20,39.2,6.890816,52,7.53,60,7.74,75,8.12,90,8.42,110,8.65,120,8.98,135,8.91,150,8.45,180,7.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.29	5.56	5.78	5.74	5.66	5.51	5	4.26
8	6.22	6.54	6.77	6.74	6.85	6.66	6.09	5.32
10	6.93	7.14	7.28	7.36	7.46	7.36	7.01	6.24
12	7.24	7.41	7.56	7.63	7.81	7.75	7.5	7.04
14	7.4	7.58	7.76	7.84	8.11	8.08	7.84	7.49
16	7.47	7.67	7.92	8.05	8.36	8.42	8.18	7.81
20	7.53	7.74	8.12	8.42	8.65	8.98	8.91	8.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.48	145.7°	3.69
8	41.1°	4.15	150.4°	4.61
10	41.4°	4.68	151.4°	5.41
12	40.7°	5.04	155.4°	6.16
14	39.8°	5.21	171.8°	6.78
16	39.1°	5.3	180°	7.31
20	39.2°	5.34	180°	7.95

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°	5.29	6.22	6.93	7.24	7.40	7.47	7.53
60°	5.56	6.54	7.14	7.41	7.58	7.67	7.74
75°	5.78	6.77	7.28	7.56	7.76	7.92	8.12
90°	5.74	6.74	7.36	7.63	7.84	8.05	8.42
110°	5.66	6.85	7.46	7.81	8.11	8.36	8.65
120°	5.51	6.66	7.36	7.75	8.08	8.42	8.98
135°	5.00	6.09	7.01	7.50	7.84	8.18	8.91
150°	4.26	5.32	6.24	7.04	7.49	7.81	8.45