VOLOIRA IV — ORC Rating

GPH

541.3

OSN

530

LOA

12.96 m

Displacement

7959 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7609

Medium

1.0037

High

1.1258

Triple Offshore

Low

0.9907

Medium

1.24

High

1.3747

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.75 m
Displacement: 7959 kg
Crew weight: 900 kg
Wetted surface: 35.25 m²

Sails

Mainsail: 61.91 m²
Genoa: 48.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 184.21 m²

Design

Type: Swan 42
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.

6,42.4,5.443796,52,6.1,60,6.44,75,7,90,7.24,110,7.05,120,6.71,135,5.86,143,5.346619,150,4.93
8,40.9,6.429818,52,7.23,60,7.51,75,7.83,90,8.06,110,8.01,120,7.83,135,7.28,145.2,6.503081,150,6.16
10,39.6,7.021294,52,7.78,60,7.98,75,8.14,90,8.44,110,8.51,120,8.39,135,8.08,148.8,7.353592,150,7.27
12,38.2,7.176879,52,7.97,60,8.19,75,8.43,90,8.7,110,9.02,120,8.92,135,8.59,150,8.02,151.8,7.897393
14,37.7,7.267226,52,8.07,60,8.29,75,8.66,90,8.94,110,9.54,120,9.49,135,9.2,150,8.41,152,8.279087
16,37.1,7.309576,52,8.12,60,8.36,75,8.8,90,9.19,110,9.92,120,10.1,135,9.89,150,8.83,176,7.819047
20,37.5,7.487206,52,8.26,60,8.51,75,8.94,90,9.63,110,10.56,120,11.19,135,11.51,143.5,10.872582,150,10.09

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.1	6.44	7	7.24	7.05	6.71	5.86	4.93
8	7.23	7.51	7.83	8.06	8.01	7.83	7.28	6.16
10	7.78	7.98	8.14	8.44	8.51	8.39	8.08	7.27
12	7.97	8.19	8.43	8.7	9.02	8.92	8.59	8.02
14	8.07	8.29	8.66	8.94	9.54	9.49	9.2	8.41
16	8.12	8.36	8.8	9.19	9.92	10.1	9.89	8.83
20	8.26	8.51	8.94	9.63	10.56	11.19	11.51	10.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.02	143°	4.27
8	40.9°	4.86	145.2°	5.34
10	39.6°	5.41	148.8°	6.29
12	38.2°	5.64	151.8°	6.96
14	37.7°	5.75	152°	7.31
16	37.1°	5.83	176°	7.8
20	37.5°	5.94	143.5°	8.74

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