2 ALFA 2 — ORC Rating

GPH

643.2

OSN

625

LOA

10.02 m

Displacement

5133 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6471

Medium

0.8606

High

0.9759

Triple Offshore

Low

0.8278

Medium

1.0483

High

1.1541

Boat Specifications

Dimensions

Length overall: 10.02 m
Beam: 3.26 m
Draft: 2.16 m
Displacement: 5133 kg
Crew weight: 610 kg
Wetted surface: 24.64 m²

Sails

Mainsail: 31.19 m²
Genoa: 38.23 m²
Spinnaker: 80.58 m²
Asymmetric spinnaker: 0 m²

Design

Type: Grand Soleil 341
Builder: Cantieri del Pardo
Designer: Vismara
Year built: 1999

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.

6,42,4.803909,52,5.36,60,5.6,75,5.75,90,5.61,110,5.41,120,5.25,135,4.73,144.3,4.260645,150,4
8,39.9,5.552911,52,6.21,60,6.4,75,6.54,90,6.5,110,6.49,120,6.37,135,5.87,148.9,5.161941,150,5.1
10,38.8,5.992265,52,6.64,60,6.8,75,6.93,90,6.95,110,7.05,120,6.99,135,6.68,150,6.04,152,5.923341
12,38,6.167429,52,6.83,60,7,75,7.17,90,7.23,110,7.4,120,7.38,135,7.14,150,6.73,157.8,6.404783
14,37.6,6.247715,52,6.92,60,7.09,75,7.33,90,7.46,110,7.67,120,7.73,135,7.51,150,7.15,170.4,6.602461
16,37.5,6.289757,52,6.96,60,7.14,75,7.42,90,7.65,110,7.86,120,8.05,135,7.89,150,7.5,177.9,6.974684
20,37.5,6.340176,52,7.01,60,7.22,75,7.56,90,7.92,110,8.17,120,8.51,135,8.69,150,8.22,178.6,7.642281
24,38.5,6.337782,52,6.99,60,7.22,75,7.63,90,8.08,110,8.33,120,8.85,135,9.61,150,9.1,178.1,8.324577

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.6	5.75	5.61	5.41	5.25	4.73	4
8	6.21	6.4	6.54	6.5	6.49	6.37	5.87	5.1
10	6.64	6.8	6.93	6.95	7.05	6.99	6.68	6.04
12	6.83	7	7.17	7.23	7.4	7.38	7.14	6.73
14	6.92	7.09	7.33	7.46	7.67	7.73	7.51	7.15
16	6.96	7.14	7.42	7.65	7.86	8.05	7.89	7.5
20	7.01	7.22	7.56	7.92	8.17	8.51	8.69	8.22
24	6.99	7.22	7.63	8.08	8.33	8.85	9.61	9.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.57	144.3°	3.46
8	39.9°	4.26	148.9°	4.42
10	38.8°	4.67	152°	5.23
12	38°	4.86	157.8°	5.93
14	37.6°	4.95	170.4°	6.51
16	37.5°	4.99	177.9°	6.97
20	37.5°	5.03	178.6°	7.64
24	38.5°	4.96	178.1°	8.32

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