Grøyven — ORC Rating

GPH

603.3

OSN

587.1

LOA

12.06 m

Displacement

7654 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6703

Medium

0.9086

High

1.0438

Triple Offshore

Low

0.8678

Medium

1.1236

High

1.2525

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.09 m
Displacement: 7654 kg
Crew weight: 760 kg
Wetted surface: 32.1 m²

Sails

Mainsail: 48.59 m²
Genoa: 45.95 m²
Spinnaker: 97.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 40 HR
Builder: Dufour Yachts
Designer: Umberto Felci
Year built: 2001

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.

6,43.1,4.889324,52,5.47,60,5.8,75,6.09,90,6.04,110,5.79,120,5.62,135,5.08,145,4.541281,150,4.3
8,42,5.799677,52,6.5,60,6.83,75,7.07,90,7.06,110,7.01,120,6.85,135,6.26,149,5.471511,150,5.41
10,41.2,6.472493,52,7.18,60,7.4,75,7.57,90,7.59,110,7.68,120,7.59,135,7.2,150,6.39,151,6.334182
12,40.5,6.759547,52,7.45,60,7.66,75,7.85,90,7.9,110,8.08,120,8.02,135,7.73,150,7.22,155.5,6.934361
14,39.8,6.846431,52,7.56,60,7.77,75,8.05,90,8.17,110,8.44,120,8.43,135,8.12,150,7.71,170,7.067369
16,39.4,6.871709,52,7.6,60,7.83,75,8.17,90,8.42,110,8.7,120,8.86,135,8.54,150,8.08,180,7.52
20,40.1,6.981109,52,7.64,60,7.86,75,8.27,90,8.77,110,9.1,120,9.49,135,9.46,150,8.89,180,8.27

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.47	5.8	6.09	6.04	5.79	5.62	5.08	4.3
8	6.5	6.83	7.07	7.06	7.01	6.85	6.26	5.41
10	7.18	7.4	7.57	7.59	7.68	7.59	7.2	6.39
12	7.45	7.66	7.85	7.9	8.08	8.02	7.73	7.22
14	7.56	7.77	8.05	8.17	8.44	8.43	8.12	7.71
16	7.6	7.83	8.17	8.42	8.7	8.86	8.54	8.08
20	7.64	7.86	8.27	8.77	9.1	9.49	9.46	8.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.57	145°	3.72
8	42°	4.31	149°	4.69
10	41.2°	4.87	151°	5.54
12	40.5°	5.14	155.5°	6.31
14	39.8°	5.26	170°	6.96
16	39.4°	5.31	180°	7.52
20	40.1°	5.34	180°	8.27

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