IMPETUOUS — ORC Rating

GPH

536.8

OSN

524.5

LOA

12.96 m

Displacement

7484 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7687

Medium

1.0153

High

1.1437

Triple Offshore

Low

0.9972

Medium

1.2508

High

1.3944

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.73 m
Displacement: 7484 kg
Crew weight: 875 kg
Wetted surface: 34.74 m²

Sails

Mainsail: 60.95 m²
Genoa: 48.14 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 185.28 m²

Design

Type: SWAN 42
Builder: SWAN
Designer: FRERS
Year built: 2006
Stability index: 135.8

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.

6,43,5.482983,52,6.11,60,6.45,75,7.02,90,7.24,110,7.01,120,6.64,135,5.93,143.3,5.412986,150,5.01
8,41.2,6.499074,52,7.27,60,7.54,75,7.87,90,8.08,110,8,120,7.85,135,7.38,145.6,6.617271,150,6.3
10,39.4,7.039943,52,7.81,60,8.01,75,8.17,90,8.49,110,8.52,120,8.46,135,8.16,149.6,7.454954,150,7.43
12,38.2,7.215054,52,8,60,8.22,75,8.48,90,8.76,110,9.06,120,9.04,135,8.74,150,8.13,151.8,8.022208
14,38.1,7.344952,52,8.09,60,8.33,75,8.72,90,9.02,110,9.59,120,9.52,135,9.42,150,8.58,150.2,8.562221
16,37.2,7.394575,52,8.14,60,8.4,75,8.87,90,9.29,110,10.03,120,10.16,135,10.21,147.1,9.373289,150,9.09
20,37.2,7.532674,52,8.31,60,8.58,75,8.99,90,9.74,110,10.72,120,11.38,135,11.9,143,11.507127,150,10.61

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.11	6.45	7.02	7.24	7.01	6.64	5.93	5.01
8	7.27	7.54	7.87	8.08	8	7.85	7.38	6.3
10	7.81	8.01	8.17	8.49	8.52	8.46	8.16	7.43
12	8	8.22	8.48	8.76	9.06	9.04	8.74	8.13
14	8.09	8.33	8.72	9.02	9.59	9.52	9.42	8.58
16	8.14	8.4	8.87	9.29	10.03	10.16	10.21	9.09
20	8.31	8.58	8.99	9.74	10.72	11.38	11.9	10.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.01	143.3°	4.34
8	41.2°	4.89	145.6°	5.46
10	39.4°	5.44	149.6°	6.43
12	38.2°	5.67	151.8°	7.07
14	38.1°	5.78	150.2°	7.43
16	37.2°	5.89	147.1°	7.87
20	37.2°	6	143°	9.19

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