IMPETUOUS — ORC Rating

GPH

533.2

OSN

520.5

LOA

12.96 m

Displacement

7355 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7849

Medium

1.0245

High

1.1454

Triple Offshore

Low

1.0092

Medium

1.2573

High

1.3932

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.73 m
Displacement: 7355 kg
Crew weight: 925 kg
Wetted surface: 34.66 m²

Sails

Mainsail: 60.75 m²
Genoa: 48.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 185.28 m²

Design

Type: SWAN 42
Builder: SWAN
Designer: FRERS
Year built: 2006
Stability index: 136

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.

6,42.4,5.687548,52,6.33,60,6.64,75,6.94,90,7.15,110,6.94,120,6.58,135,5.94,143.3,5.412986,150,5.01
8,40,6.605361,52,7.39,60,7.61,75,7.8,90,8.03,110,7.95,120,7.82,135,7.34,146,6.58595,150,6.31
10,38.2,7.04963,52,7.86,60,8.06,75,8.22,90,8.46,110,8.51,120,8.47,135,8.16,149.6,7.420172,150,7.39
12,37.2,7.218812,52,8.06,60,8.28,75,8.53,90,8.73,110,9.01,120,9.01,135,8.76,150,8.12,151.4,8.029768
14,37,7.350036,52,8.17,60,8.4,75,8.75,90,8.96,110,9.46,120,9.48,135,9.38,150,8.6,150.2,8.573745
16,37,7.437686,52,8.24,60,8.49,75,8.9,90,9.22,110,9.87,120,9.97,135,10.09,147.7,9.298894,150,9.07
20,37,7.487771,52,8.31,60,8.6,75,9.09,90,9.63,110,10.58,120,11.19,135,11.87,143.9,11.250141,150,10.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.33	6.64	6.94	7.15	6.94	6.58	5.94	5.01
8	7.39	7.61	7.8	8.03	7.95	7.82	7.34	6.31
10	7.86	8.06	8.22	8.46	8.51	8.47	8.16	7.39
12	8.06	8.28	8.53	8.73	9.01	9.01	8.76	8.12
14	8.17	8.4	8.75	8.96	9.46	9.48	9.38	8.6
16	8.24	8.49	8.9	9.22	9.87	9.97	10.09	9.07
20	8.31	8.6	9.09	9.63	10.58	11.19	11.87	10.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.2	143.3°	4.34
8	40°	5.06	146°	5.46
10	38.2°	5.54	149.6°	6.4
12	37.2°	5.75	151.4°	7.05
14	37°	5.87	150.2°	7.44
16	37°	5.94	147.7°	7.86
20	37°	5.98	143.9°	9.09

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