Viking: ORC Rating

GPH

604.3

OSN

587.8

LOA

14.58 m

Displacement

16299 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7592

Medium

1.0159

High

1.1818

Triple Offshore

Low

0.9747

Medium

1.2603

High

1.4099

Boat Specifications

Dimensions

Length overall: 14.58 m
Beam: 4.15 m
Draft: 2.8 m
Displacement: 16299 kg
Crew weight: 845 kg
Wetted surface: 43.34 m²

Sails

Mainsail: 47.89 m²
Genoa: 85.87 m²
Spinnaker: 169.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 47
Builder: Nautor
Designer: S & S
Year built: 1975

Performance data

Polar CSV

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

6,42.7,4.912135,52,5.47,60,5.75,75,5.97,90,5.92,110,5.71,120,5.6,135,5.13,145.5,4.574542,150,4.35
8,40.8,5.680354,52,6.4,60,6.71,75,6.96,90,6.92,110,6.89,120,6.75,135,6.24,150,5.44,150.3,5.422322
10,41.3,6.362609,52,7.13,60,7.39,75,7.57,90,7.58,110,7.69,120,7.62,135,7.22,150,6.37,150.5,6.342235
12,41.7,6.817224,52,7.49,60,7.7,75,7.87,90,7.92,110,8.08,120,8.05,135,7.81,150,7.22,153.3,7.051938
14,40.8,6.974946,52,7.65,60,7.86,75,8.06,90,8.14,110,8.34,120,8.36,135,8.16,150,7.78,161.6,7.303378
16,40,7.036145,52,7.73,60,7.95,75,8.21,90,8.33,110,8.5,120,8.65,135,8.46,150,8.11,180,7.52
20,40,7.127524,52,7.81,60,8.03,75,8.36,90,8.64,110,8.77,120,9.05,135,9.11,150,8.7,180,8.22

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.47	5.75	5.97	5.92	5.71	5.6	5.13	4.35
8	6.4	6.71	6.96	6.92	6.89	6.75	6.24	5.44
10	7.13	7.39	7.57	7.58	7.69	7.62	7.22	6.37
12	7.49	7.7	7.87	7.92	8.08	8.05	7.81	7.22
14	7.65	7.86	8.06	8.14	8.34	8.36	8.16	7.78
16	7.73	7.95	8.21	8.33	8.5	8.65	8.46	8.11
20	7.81	8.03	8.36	8.64	8.77	9.05	9.11	8.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.61	145.5°	3.77
8	40.8°	4.3	150.3°	4.71
10	41.3°	4.78	150.5°	5.52
12	41.7°	5.09	153.3°	6.3
14	40.8°	5.28	161.6°	6.93
16	40°	5.39	180°	7.52
20	40°	5.46	180°	8.22

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°	5.47	6.40	7.13	7.49	7.65	7.73	7.81
60°	5.75	6.71	7.39	7.70	7.86	7.95	8.03
75°	5.97	6.96	7.57	7.87	8.06	8.21	8.36
90°	5.92	6.92	7.58	7.92	8.14	8.33	8.64
110°	5.71	6.89	7.69	8.08	8.34	8.50	8.77
120°	5.60	6.75	7.62	8.05	8.36	8.65	9.05
135°	5.13	6.24	7.22	7.81	8.16	8.46	9.11
150°	4.35	5.44	6.37	7.22	7.78	8.11	8.70