LUCKY FIVE — ORC Rating

GPH

675.2

OSN

659.2

LOA

9.61 m

Displacement

3732 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5977

Medium

0.803

High

0.914

Triple Offshore

Low

0.7833

Medium

1.0013

High

1.1068

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3732 kg
Crew weight: 180 kg
Wetted surface: 22.02 m²

Sails

Mainsail: 25.59 m²
Genoa: 21.65 m²
Spinnaker: 65.89 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT-LONQ
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.

6,44.6,4.43804,52,4.93,60,5.3,75,5.7,90,5.77,110,5.25,120,5.09,135,4.61,146,4.016706,150,3.85
8,42.8,5.179018,52,5.84,60,6.22,75,6.56,90,6.61,110,6.34,120,6.2,135,5.67,150,4.884383
10,42.2,5.615516,52,6.3,60,6.61,75,6.91,90,7,110,6.93,120,6.86,135,6.56,150,5.831238
12,40.5,5.825835,52,6.49,60,6.76,75,7.08,90,7.26,110,7.28,120,7.26,135,7.03,150,6.6,157,6.290027
14,40.5,5.917891,52,6.59,60,6.83,75,7.17,90,7.48,110,7.53,120,7.65,135,7.41,150,7.03,176,6.415628
16,40.9,5.953535,52,6.62,60,6.88,75,7.24,90,7.64,110,7.75,120,8.02,135,7.83,150,7.38,180,6.88
20,41.6,6.044412,52,6.67,60,6.9,75,7.29,90,7.83,110,8.28,120,8.46,135,8.79,150,8.22,180,7.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.3	5.7	5.77	5.25	5.09	4.61	3.85
8	5.84	6.22	6.56	6.61	6.34	6.2	5.67	4.89
10	6.3	6.61	6.91	7	6.93	6.86	6.56	5.83
12	6.49	6.76	7.08	7.26	7.28	7.26	7.03	6.6
14	6.59	6.83	7.17	7.48	7.53	7.65	7.41	7.03
16	6.62	6.88	7.24	7.64	7.75	8.02	7.83	7.38
20	6.67	6.9	7.29	7.83	8.28	8.46	8.79	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	3.16	146°	3.33
8	42.8°	3.8	150°	4.23
10	42.2°	4.16	150°	5.05
12	40.5°	4.43	157°	5.79
14	40.5°	4.5	176°	6.4
16	40.9°	4.5	180°	6.88
20	41.6°	4.52	180°	7.59

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