ALS — ORC Rating | RegattaPages

GPH

632

OSN

611.1

LOA

12.6 m

Displacement

8820 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6114

Medium

0.8622

High

1.0247

Triple Offshore

Low

0.7981

Medium

1.0853

High

1.2511

Boat Specifications

Dimensions

Length overall: 12.6 m
Beam: 4.17 m
Draft: 2.1 m
Displacement: 8820 kg
Crew weight: 740 kg
Wetted surface: 34.96 m²

Sails

Mainsail: 37.38 m²
Genoa: 42.89 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 123.62 m²

Design

Type: DUFOUR 425 GL
Builder: DUFOUR
Designer: UMBERTO FELCI
Year built: 2006
Stability index: 112.3

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.

6,45,4.341636,52,4.82,60,5.17,75,5.45,90,5.46,110,5.61,120,5.45,135,4.84,144.8,4.356632,150,4.11
8,43.5,5.224888,52,5.83,60,6.18,75,6.48,90,6.66,110,6.88,120,6.73,135,6.14,147.1,5.395299,150,5.24
10,42.6,5.909547,52,6.61,60,6.97,75,7.24,90,7.53,110,7.7,120,7.61,135,7.21,145.7,6.597278,150,6.3
12,42,6.512862,52,7.21,60,7.48,75,7.67,90,7.96,110,8.14,120,8.08,135,7.81,148.4,7.267587,150,7.15
14,40.6,6.875013,52,7.57,60,7.77,75,7.95,90,8.17,110,8.52,120,8.49,135,8.22,149.3,7.687367,150,7.63
16,39.9,7.051937,52,7.76,60,7.96,75,8.17,90,8.3,110,8.9,120,8.94,135,8.63,150,7.94,162.2,7.26792
20,40,7.192794,52,7.86,60,8.11,75,8.52,90,8.76,110,9.37,120,9.8,135,9.54,150,8.49,175.4,7.835238

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.17	5.45	5.46	5.61	5.45	4.84	4.11
8	5.83	6.18	6.48	6.66	6.88	6.73	6.14	5.24
10	6.61	6.97	7.24	7.53	7.7	7.61	7.21	6.3
12	7.21	7.48	7.67	7.96	8.14	8.08	7.81	7.15
14	7.57	7.77	7.95	8.17	8.52	8.49	8.22	7.63
16	7.76	7.96	8.17	8.3	8.9	8.94	8.63	7.94
20	7.86	8.11	8.52	8.76	9.37	9.8	9.54	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.07	144.8°	3.56
8	43.5°	3.79	147.1°	4.53
10	42.6°	4.35	145.7°	5.45
12	42°	4.84	148.4°	6.19
14	40.6°	5.22	149.3°	6.61
16	39.9°	5.41	162.2°	6.92
20	40°	5.51	175.4°	7.81

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