CHISPETREN — ORC Rating

GPH

627.7

OSN

607.8

LOA

12.06 m

Displacement

7672 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7081

Medium

0.9768

High

1.1503

Triple Offshore

Low

0.918

Medium

1.223

High

1.3929

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.06 m
Displacement: 7672 kg
Crew weight: 600 kg
Wetted surface: 31.81 m²

Sails

Mainsail: 41.49 m²
Genoa: 31.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 100.13 m²

Design

Type: DUFOUR 40
Builder: DUFOUR
Designer: FELCI
Year built: 2003

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.

6,43.2,4.444636,52,4.96,60,5.25,75,5.47,90,5.62,110,5.65,120,5.48,135,4.92,144.4,4.427496,150,4.16
8,41.6,5.295547,52,5.94,60,6.24,75,6.5,90,6.82,110,6.89,120,6.67,135,6.06,147.8,5.365205,150,5.24
10,41.5,6.021718,52,6.76,60,7.04,75,7.25,90,7.54,110,7.61,120,7.48,135,7.04,147.5,6.33158,150,6.17
12,40.8,6.591853,52,7.27,60,7.47,75,7.63,90,7.9,110,8.01,120,7.92,135,7.62,148.3,7.075601,150,6.95
14,39.4,6.845827,52,7.53,60,7.72,75,7.89,90,8.08,110,8.39,120,8.31,135,8,150,7.44,150.4,7.4181
16,39.2,6.981145,52,7.66,60,7.87,75,8.1,90,8.21,110,8.77,120,8.74,135,8.39,150,7.77,175.4,6.992524
20,39.2,7.045666,52,7.74,60,7.99,75,8.42,90,8.68,110,9.22,120,9.59,135,9.24,150,8.33,178.3,7.79343

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.96	5.25	5.47	5.62	5.65	5.48	4.92	4.16
8	5.94	6.24	6.5	6.82	6.89	6.67	6.06	5.24
10	6.76	7.04	7.25	7.54	7.61	7.48	7.04	6.17
12	7.27	7.47	7.63	7.9	8.01	7.92	7.62	6.95
14	7.53	7.72	7.89	8.08	8.39	8.31	8	7.44
16	7.66	7.87	8.1	8.21	8.77	8.74	8.39	7.77
20	7.74	7.99	8.42	8.68	9.22	9.59	9.24	8.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.24	144.4°	3.6
8	41.6°	3.96	147.8°	4.54
10	41.5°	4.51	147.5°	5.34
12	40.8°	4.99	148.3°	6.02
14	39.4°	5.29	150.4°	6.45
16	39.2°	5.41	175.4°	6.97
20	39.2°	5.46	178.3°	7.79

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