SELVY IV — ORC Rating

GPH

608.6

OSN

590.5

LOA

12.06 m

Displacement

7870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7404

Medium

1.0151

High

1.1804

Triple Offshore

Low

0.9581

Medium

1.2567

High

1.414

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.07 m
Displacement: 7870 kg
Crew weight: 600 kg
Wetted surface: 32.09 m²

Sails

Mainsail: 46.42 m²
Genoa: 41.05 m²
Spinnaker: 93.32 m²
Asymmetric spinnaker: 105.82 m²

Design

Type: DUFOUR 40
Builder: DUFOUR
Designer: FELCI
Year built: 2002

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.

6,43.2,4.732714,52,5.28,60,5.58,75,5.83,90,5.78,110,5.81,120,5.64,135,5.07,144.5,4.569376,150,4.29
8,41.5,5.567752,52,6.29,60,6.62,75,6.89,90,6.98,110,7.05,120,6.85,135,6.22,149.6,5.414407,150,5.39
10,41.4,6.332396,52,7.06,60,7.3,75,7.48,90,7.61,110,7.7,120,7.59,135,7.18,150,6.37,151.2,6.299165
12,40.4,6.749496,52,7.43,60,7.62,75,7.79,90,7.89,110,8.08,120,8,135,7.72,150,7.2,155.1,6.923589
14,39.4,6.88465,52,7.59,60,7.8,75,8.02,90,8.08,110,8.44,120,8.4,135,8.1,150,7.7,169,7.059707
16,39,6.948502,52,7.67,60,7.89,75,8.2,90,8.34,110,8.73,120,8.81,135,8.5,150,8.06,180,7.5
20,39.9,7.038902,52,7.71,60,7.95,75,8.38,90,8.79,110,9.13,120,9.53,135,9.39,150,8.83,180,8.22

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.58	5.83	5.78	5.81	5.64	5.07	4.29
8	6.29	6.62	6.89	6.98	7.05	6.85	6.22	5.39
10	7.06	7.3	7.48	7.61	7.7	7.59	7.18	6.37
12	7.43	7.62	7.79	7.89	8.08	8	7.72	7.2
14	7.59	7.8	8.02	8.08	8.44	8.4	8.1	7.7
16	7.67	7.89	8.2	8.34	8.73	8.81	8.5	8.06
20	7.71	7.95	8.38	8.79	9.13	9.53	9.39	8.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.45	144.5°	3.72
8	41.5°	4.17	149.6°	4.67
10	41.4°	4.75	151.2°	5.52
12	40.4°	5.14	155.1°	6.28
14	39.4°	5.32	169°	6.93
16	39°	5.4	180°	7.5
20	39.9°	5.4	180°	8.22

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