Sana — ORC Rating | RegattaPages

GPH

673.5

OSN

651

LOA

9.85 m

Displacement

3870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5986

Medium

0.8227

High

0.9482

Triple Offshore

Low

0.7703

Medium

1.0105

High

1.1325

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3870 kg
Crew weight: 480 kg
Wetted surface: 21.9 m²

Sails

Mainsail: 24.64 m²
Genoa: 29.07 m²
Spinnaker: 61.34 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Groupe Finot
Year built: 1998
Stability index: 108.3

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.

6,43.5,4.466659,52,4.93,60,5.19,75,5.33,90,5.19,110,5.1,120,4.93,135,4.42,146,3.884022,150,3.72
8,40.8,5.20479,52,5.83,60,6.05,75,6.21,90,6.14,110,6.21,120,6.04,135,5.51,149.8,4.801714,150,4.79
10,39.4,5.732894,52,6.39,60,6.57,75,6.71,90,6.73,110,6.86,120,6.77,135,6.37,150,5.72,152.4,5.596908
12,38.7,6.022318,52,6.68,60,6.85,75,7.01,90,7.07,110,7.27,120,7.21,135,6.92,150,6.45,157.7,6.12834
14,38.2,6.120707,52,6.81,60,7,75,7.23,90,7.31,110,7.61,120,7.59,135,7.32,150,6.94,169.4,6.378853
16,38.1,6.175859,52,6.87,60,7.08,75,7.38,90,7.54,110,7.9,120,7.95,135,7.72,150,7.32,177.2,6.778092
20,38.4,6.214164,52,6.91,60,7.14,75,7.53,90,7.89,110,8.28,120,8.62,135,8.54,150,8.05,179,7.491141

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.19	5.33	5.19	5.1	4.93	4.42	3.72
8	5.83	6.05	6.21	6.14	6.21	6.04	5.51	4.79
10	6.39	6.57	6.71	6.73	6.86	6.77	6.37	5.72
12	6.68	6.85	7.01	7.07	7.27	7.21	6.92	6.45
14	6.81	7	7.23	7.31	7.61	7.59	7.32	6.94
16	6.87	7.08	7.38	7.54	7.9	7.95	7.72	7.32
20	6.91	7.14	7.53	7.89	8.28	8.62	8.54	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.24	146°	3.22
8	40.8°	3.94	149.8°	4.15
10	39.4°	4.43	152.4°	4.96
12	38.7°	4.7	157.7°	5.67
14	38.2°	4.81	169.4°	6.27
16	38.1°	4.86	177.2°	6.77
20	38.4°	4.87	179°	7.49

Loading polar chart…