CHISPETREN — ORC Rating

GPH

604.8

OSN

587.8

LOA

12.06 m

Displacement

7664 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6716

Medium

0.9069

High

1.039

Triple Offshore

Low

0.8674

Medium

1.1204

High

1.2469

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.06 m
Displacement: 7664 kg
Crew weight: 625 kg
Wetted surface: 31.68 m²

Sails

Mainsail: 47.54 m²
Genoa: 42.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 112.72 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.

6,43.5,4.921597,52,5.47,60,5.77,75,5.99,90,5.88,110,5.87,120,5.72,135,5.15,138.9,4.936546,150,4.3
8,41.8,5.808369,52,6.45,60,6.72,75,6.91,90,6.9,110,7.04,120,6.9,135,6.36,147.3,5.597076,150,5.44
10,40.4,6.368688,52,7.07,60,7.29,75,7.45,90,7.52,110,7.7,120,7.62,135,7.25,147.9,6.5634,150,6.42
12,39.7,6.628546,52,7.37,60,7.58,75,7.77,90,7.82,110,8.11,120,8.09,135,7.8,150,7.24,155.4,6.961888
14,39.3,6.745579,52,7.49,60,7.72,75,7.98,90,8.09,110,8.44,120,8.49,135,8.23,150,7.75,164.4,7.215812
16,39.1,6.803717,52,7.56,60,7.79,75,8.11,90,8.32,110,8.7,120,8.86,135,8.65,150,8.15,175.8,7.510169
20,39.2,6.865008,52,7.63,60,7.88,75,8.28,90,8.65,110,9.07,120,9.51,135,9.53,150,8.95,178.1,8.284555
24,40.3,6.857503,52,7.62,60,7.89,75,8.37,90,8.85,110,9.39,120,9.98,135,10.72,150,9.89,177.9,9.036069

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.47	5.77	5.99	5.88	5.87	5.72	5.15	4.3
8	6.45	6.72	6.91	6.9	7.04	6.9	6.36	5.44
10	7.07	7.29	7.45	7.52	7.7	7.62	7.25	6.42
12	7.37	7.58	7.77	7.82	8.11	8.09	7.8	7.24
14	7.49	7.72	7.98	8.09	8.44	8.49	8.23	7.75
16	7.56	7.79	8.11	8.32	8.7	8.86	8.65	8.15
20	7.63	7.88	8.28	8.65	9.07	9.51	9.53	8.95
24	7.62	7.89	8.37	8.85	9.39	9.98	10.72	9.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.57	138.9°	3.72
8	41.8°	4.33	147.3°	4.71
10	40.4°	4.85	147.9°	5.56
12	39.7°	5.1	155.4°	6.33
14	39.3°	5.22	164.4°	6.95
16	39.1°	5.28	175.8°	7.49
20	39.2°	5.32	178.1°	8.28
24	40.3°	5.23	177.9°	9.03

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