MARINA GREENWICH — ORC Rating

GPH

540.8

OSN

526.4

LOA

12.96 m

Displacement

7791 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8629

Medium

1.1414

High

1.2821

Triple Offshore

Low

1.1093

Medium

1.4008

High

1.5544

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.75 m
Displacement: 7791 kg
Crew weight: 960 kg
Wetted surface: 35.03 m²

Sails

Mainsail: 62.46 m²
Genoa: 49.55 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 184.82 m²

Design

Type: SWAN 42 CS
Builder: NAUTOR
Designer: SWAN NY/CLUB FRERS
Year built: 2006

Velocity Prediction

Polar CSV

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

6,42.3,5.475703,52,6.14,60,6.47,75,6.73,90,6.65,110,6.7,120,6.52,135,5.87,143.3,5.350624,150,4.95
8,40.8,6.512592,52,7.31,60,7.57,75,7.74,90,7.76,110,7.9,120,7.82,135,7.29,145.7,6.500437,150,6.2
10,39.3,7.094488,52,7.84,60,8.03,75,8.19,90,8.2,110,8.46,120,8.42,135,8.09,149.2,7.357736,150,7.3
12,37.8,7.264397,52,8.04,60,8.25,75,8.49,90,8.57,110,8.81,120,8.98,135,8.62,150,8.05,151.9,7.912694
14,37.4,7.363913,52,8.14,60,8.37,75,8.75,90,8.94,110,9.14,120,9.48,135,9.25,150,8.44,152,8.301738
16,37.3,7.429537,52,8.19,60,8.44,75,8.9,90,9.29,110,9.46,120,9.87,135,9.98,150,8.87,176.1,7.838151
20,36.7,7.558224,52,8.34,60,8.58,75,9.06,90,9.75,110,10.12,120,10.69,135,11.71,143.3,11.025528,150,10.21

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.14	6.47	6.73	6.65	6.7	6.52	5.87	4.95
8	7.31	7.57	7.74	7.76	7.9	7.82	7.29	6.2
10	7.84	8.03	8.19	8.2	8.46	8.42	8.09	7.3
12	8.04	8.25	8.49	8.57	8.81	8.98	8.62	8.05
14	8.14	8.37	8.75	8.94	9.14	9.48	9.25	8.44
16	8.19	8.44	8.9	9.29	9.46	9.87	9.98	8.87
20	8.34	8.58	9.06	9.75	10.12	10.69	11.71	10.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	4.05	143.3°	4.29
8	40.8°	4.93	145.7°	5.37
10	39.3°	5.49	149.2°	6.32
12	37.8°	5.74	151.9°	6.98
14	37.4°	5.85	152°	7.33
16	37.3°	5.91	176.1°	7.82
20	36.7°	6.06	143.3°	8.84

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