VOLOIRA IV — ORC Rating

GPH

540.8

OSN

526.3

LOA

12.96 m

Displacement

7638 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7671

Medium

1.0147

High

1.1417

Triple Offshore

Low

0.9863

Medium

1.2446

High

1.3841

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.74 m
Displacement: 7638 kg
Crew weight: 910 kg
Wetted surface: 34.84 m²

Sails

Mainsail: 61.26 m²
Genoa: 48.46 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 184.21 m²

Design

Type: Swan 42
Builder: Nautor
Designer: Swan NY/Club Frers
Year built: 2006
Stability index: 136.8

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.

6,43,5.496656,52,6.11,60,6.46,75,6.74,90,6.67,110,6.72,120,6.56,135,5.91,143.3,5.388041,150,4.99
8,41.2,6.499074,52,7.27,60,7.54,75,7.72,90,7.75,110,7.91,120,7.84,135,7.36,145.6,6.580913,150,6.27
10,39.4,7.052884,52,7.81,60,8.01,75,8.17,90,8.18,110,8.46,120,8.44,135,8.14,149.2,7.450872,150,7.39
12,38.2,7.227779,52,8.01,60,8.22,75,8.47,90,8.55,110,8.8,120,9.01,135,8.7,150,8.1,151.8,7.999515
14,37.8,7.340332,52,8.11,60,8.34,75,8.72,90,8.92,110,9.13,120,9.48,135,9.37,150,8.54,150.7,8.485564
16,37.3,7.416966,52,8.16,60,8.41,75,8.88,90,9.27,110,9.44,120,9.88,135,10.13,147.3,9.29281,150,9.03
20,37.2,7.557783,52,8.32,60,8.58,75,8.98,90,9.75,110,10.02,120,10.68,135,11.88,143,11.35687,150,10.48

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.11	6.46	6.74	6.67	6.72	6.56	5.91	4.99
8	7.27	7.54	7.72	7.75	7.91	7.84	7.36	6.27
10	7.81	8.01	8.17	8.18	8.46	8.44	8.14	7.39
12	8.01	8.22	8.47	8.55	8.8	9.01	8.7	8.1
14	8.11	8.34	8.72	8.92	9.13	9.48	9.37	8.54
16	8.16	8.41	8.88	9.27	9.44	9.88	10.13	9.03
20	8.32	8.58	8.98	9.75	10.02	10.68	11.88	10.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.02	143.3°	4.32
8	41.2°	4.89	145.6°	5.43
10	39.4°	5.45	149.2°	6.4
12	38.2°	5.68	151.8°	7.05
14	37.8°	5.8	150.7°	7.4
16	37.3°	5.9	147.3°	7.82
20	37.2°	6.02	143°	9.07

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