FENOMENO — ORC Rating

GPH

677

OSN

655.6

LOA

9.5 m

Displacement

3824 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.669

Medium

0.9183

High

1.0568

Triple Offshore

Low

0.8609

Medium

1.1313

High

1.2668

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.23 m
Draft: 1.92 m
Displacement: 3824 kg
Crew weight: 420 kg
Wetted surface: 22.09 m²

Sails

Mainsail: 25.78 m²
Genoa: 27.14 m²
Spinnaker: 57.67 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.

6,42.5,4.28604,52,4.79,60,5.04,75,5.23,90,5.17,110,5.12,120,4.97,135,4.48,146.7,3.936314,150,3.8
8,40.9,5.05389,52,5.7,60,5.97,75,6.18,90,6.15,110,6.23,120,6.06,135,5.52,150,4.83,150.5,4.814124
10,40.8,5.733195,52,6.36,60,6.56,75,6.7,90,6.79,110,6.86,120,6.77,135,6.39,150,5.72,152.9,5.571701
12,39.5,6.026247,52,6.66,60,6.83,75,6.99,90,7.08,110,7.24,120,7.16,135,6.9,150,6.46,157.4,6.141613
14,39,6.124976,52,6.77,60,6.96,75,7.19,90,7.28,110,7.6,120,7.54,135,7.25,150,6.91,180,6.3
16,38.9,6.167738,52,6.82,60,7.02,75,7.33,90,7.52,110,7.91,120,7.95,135,7.64,150,7.24,180,6.79
20,39.5,6.168803,52,6.81,60,7.04,75,7.44,90,7.91,110,8.28,120,8.68,135,8.53,150,7.99,180,7.45

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.79	5.04	5.23	5.17	5.12	4.97	4.48	3.8
8	5.7	5.97	6.18	6.15	6.23	6.06	5.52	4.83
10	6.36	6.56	6.7	6.79	6.86	6.77	6.39	5.72
12	6.66	6.83	6.99	7.08	7.24	7.16	6.9	6.46
14	6.77	6.96	7.19	7.28	7.6	7.54	7.25	6.91
16	6.82	7.02	7.33	7.52	7.91	7.95	7.64	7.24
20	6.81	7.04	7.44	7.91	8.28	8.68	8.53	7.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.16	146.7°	3.29
8	40.9°	3.82	150.5°	4.19
10	40.8°	4.34	152.9°	4.96
12	39.5°	4.65	157.4°	5.67
14	39°	4.76	180°	6.3
16	38.9°	4.8	180°	6.79
20	39.5°	4.76	180°	7.45

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