SAN MARY — ORC Rating

GPH

615

OSN

597.8

LOA

12.06 m

Displacement

7435 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6605

Medium

0.8862

High

1.0022

Triple Offshore

Low

0.8529

Medium

1.1029

High

1.2221

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.05 m
Displacement: 7435 kg
Crew weight: 580 kg
Wetted surface: 31.02 m²

Sails

Mainsail: 44.3 m²
Genoa: 42.39 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 101.37 m²

Design

Type: Dufour 40
Builder: Dufour Yachts
Designer: Felci
Year built: 2003
Stability index: 115.2

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.

6,43.8,4.835401,52,5.37,60,5.68,75,5.91,90,5.81,110,5.75,120,5.57,135,5,143.9,4.52976,150,4.23
8,41.8,5.71447,52,6.37,60,6.65,75,6.86,90,6.82,110,6.93,120,6.77,135,6.2,147.5,5.513454,150,5.37
10,40.5,6.272965,52,6.99,60,7.23,75,7.41,90,7.46,110,7.62,120,7.52,135,7.12,148,6.461898,150,6.33
12,39.9,6.543571,52,7.29,60,7.52,75,7.73,90,7.78,110,8.05,120,8,135,7.7,148.7,7.150725,150,7.06
14,39.4,6.65171,52,7.41,60,7.65,75,7.93,90,8.06,110,8.39,120,8.41,135,8.13,150,7.52,150.1,7.52108
16,39.4,6.716416,52,7.48,60,7.73,75,8.06,90,8.28,110,8.66,120,8.8,135,8.56,150,7.87,172.7,7.077366
20,39.6,6.748748,52,7.53,60,7.79,75,8.2,90,8.61,110,9.03,120,9.47,135,9.44,150,8.49,176.3,7.866397

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.37	5.68	5.91	5.81	5.75	5.57	5	4.23
8	6.37	6.65	6.86	6.82	6.93	6.77	6.2	5.37
10	6.99	7.23	7.41	7.46	7.62	7.52	7.12	6.33
12	7.29	7.52	7.73	7.78	8.05	8	7.7	7.06
14	7.41	7.65	7.93	8.06	8.39	8.41	8.13	7.52
16	7.48	7.73	8.06	8.28	8.66	8.8	8.56	7.87
20	7.53	7.79	8.2	8.61	9.03	9.47	9.44	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.49	143.9°	3.66
8	41.8°	4.26	147.5°	4.65
10	40.5°	4.77	148°	5.48
12	39.9°	5.02	148.7°	6.11
14	39.4°	5.14	150.1°	6.52
16	39.4°	5.19	172.7°	7.02
20	39.6°	5.2	176.3°	7.85

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