Due — ORC Rating | RegattaPages

GPH

672.2

OSN

649.6

LOA

9.61 m

Displacement

4019 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6

Medium

0.8248

High

0.9528

Triple Offshore

Low

0.7717

Medium

1.0121

High

1.1361

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.95 m
Displacement: 4019 kg
Crew weight: 400 kg
Wetted surface: 22.19 m²

Sails

Mainsail: 26.29 m²
Genoa: 26.74 m²
Spinnaker: 62.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998

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.

6,43.4,4.404227,52,4.87,60,5.12,75,5.29,90,5.18,110,5.18,120,5.02,135,4.5,145.1,3.999259,150,3.79
8,41,5.154301,52,5.76,60,6,75,6.17,90,6.13,110,6.26,120,6.11,135,5.6,149.4,4.902747,150,4.87
10,39.6,5.697501,52,6.34,60,6.53,75,6.68,90,6.75,110,6.89,120,6.81,135,6.44,150,5.78,152.4,5.664613
12,38.6,6.013918,52,6.67,60,6.84,75,6.99,90,7.07,110,7.29,120,7.24,135,6.96,150,6.5,157.6,6.18682
14,38.1,6.137737,52,6.82,60,7.01,75,7.22,90,7.29,110,7.63,120,7.61,135,7.36,150,6.98,169.1,6.425932
16,38,6.205499,52,6.89,60,7.09,75,7.38,90,7.53,110,7.91,120,7.97,135,7.75,150,7.35,177.2,6.808128
20,38.4,6.239685,52,6.93,60,7.16,75,7.55,90,7.89,110,8.26,120,8.64,135,8.57,150,8.08,178.3,7.513307
24,39.6,6.203657,52,6.9,60,7.15,75,7.62,90,8.1,110,8.47,120,9.07,135,9.69,150,8.96,178.1,8.214516

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.12	5.29	5.18	5.18	5.02	4.5	3.79
8	5.76	6	6.17	6.13	6.26	6.11	5.6	4.87
10	6.34	6.53	6.68	6.75	6.89	6.81	6.44	5.78
12	6.67	6.84	6.99	7.07	7.29	7.24	6.96	6.5
14	6.82	7.01	7.22	7.29	7.63	7.61	7.36	6.98
16	6.89	7.09	7.38	7.53	7.91	7.97	7.75	7.35
20	6.93	7.16	7.55	7.89	8.26	8.64	8.57	8.08
24	6.9	7.15	7.62	8.1	8.47	9.07	9.69	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.2	145.1°	3.28
8	41°	3.89	149.4°	4.22
10	39.6°	4.39	152.4°	5.02
12	38.6°	4.7	157.6°	5.72
14	38.1°	4.83	169.1°	6.31
16	38°	4.89	177.2°	6.8
20	38.4°	4.89	178.3°	7.51
24	39.6°	4.78	178.1°	8.21

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