IMPETUOUS — ORC Rating

GPH

540.2

OSN

528.5

LOA

12.801 m

Displacement

7792 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7615

Medium

1.007

High

1.131

Triple Offshore

Low

0.9903

Medium

1.2435

High

1.3819

Boat Specifications

Dimensions

Length overall: 12.801 m
Beam: 3.91 m
Draft: 2.75 m
Displacement: 7792 kg
Crew weight: 900 kg
Wetted surface: 35.18 m²

Sails

Mainsail: 60.7 m²
Genoa: 48.14 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 184.49 m²

Design

Type: SWAN 42
Builder: SWAN
Designer: 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.

6,42.4,5.430254,52,6.09,60,6.43,75,6.98,90,7.21,110,7,120,6.64,135,5.87,143,5.359141,150,4.94
8,40.9,6.429818,52,7.23,60,7.51,75,7.85,90,8.06,110,7.98,120,7.8,135,7.29,145.5,6.503858,150,6.19
10,39.4,7.01406,52,7.79,60,7.98,75,8.17,90,8.47,110,8.49,120,8.4,135,8.09,149,7.361457,150,7.29
12,38.2,7.215054,52,7.99,60,8.21,75,8.45,90,8.76,110,9.02,120,8.96,135,8.62,150,8.04,151.8,7.90874
14,37.5,7.285531,52,8.09,60,8.32,75,8.7,90,9.02,110,9.56,120,9.44,135,9.24,150,8.43,151.8,8.305879
16,37.5,7.386368,52,8.14,60,8.39,75,8.85,90,9.23,110,10.02,120,10.07,135,9.95,150,8.86,176,7.819047
20,37.5,7.537625,52,8.29,60,8.54,75,9.01,90,9.7,110,10.68,120,11.32,135,11.64,143.5,10.972103,150,10.18

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.09	6.43	6.98	7.21	7	6.64	5.87	4.94
8	7.23	7.51	7.85	8.06	7.98	7.8	7.29	6.19
10	7.79	7.98	8.17	8.47	8.49	8.4	8.09	7.29
12	7.99	8.21	8.45	8.76	9.02	8.96	8.62	8.04
14	8.09	8.32	8.7	9.02	9.56	9.44	9.24	8.43
16	8.14	8.39	8.85	9.23	10.02	10.07	9.95	8.86
20	8.29	8.54	9.01	9.7	10.68	11.32	11.64	10.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.01	143°	4.28
8	40.9°	4.86	145.5°	5.36
10	39.4°	5.42	149°	6.31
12	38.2°	5.67	151.8°	6.97
14	37.5°	5.78	151.8°	7.32
16	37.5°	5.86	176°	7.8
20	37.5°	5.98	143.5°	8.82

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