TOO MUCH — ORC Rating

GPH

662.1

OSN

639.2

LOA

9.61 m

Displacement

3600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6038

Medium

0.8379

High

0.9722

Triple Offshore

Low

0.7803

Medium

1.0289

High

1.1616

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.92 m
Displacement: 3600 kg
Crew weight: 574 kg
Wetted surface: 21.95 m²

Sails

Mainsail: 26.26 m²
Genoa: 27 m²
Spinnaker: 71.98 m²
Asymmetric spinnaker: 54.23 m²

Design

Type: FIRST 31.7
Builder: BENETEAU SA
Designer: FINOT Jean Marie
Year built: 1990

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.

6,43.6,4.432649,52,4.89,60,5.15,75,5.29,90,5.35,110,5.26,120,5.1,135,4.6,144.9,4.045714,150,3.82
8,41.5,5.247306,52,5.83,60,6.07,75,6.22,90,6.37,110,6.37,120,6.23,135,5.71,149.2,4.947844,150,4.91
10,39.8,5.779117,52,6.41,60,6.59,75,6.73,90,6.93,110,6.99,120,6.92,135,6.58,150,5.88,150.1,5.871518
12,38.2,6.095257,52,6.74,60,6.9,75,7.05,90,7.27,110,7.4,120,7.36,135,7.09,150,6.63,157,6.333481
14,37.6,6.235093,52,6.92,60,7.09,75,7.29,90,7.55,110,7.76,120,7.78,135,7.51,150,7.09,167.8,6.547878
16,37.5,6.302362,52,6.99,60,7.19,75,7.49,90,7.74,110,8.1,120,8.17,135,7.94,150,7.48,176.8,6.90076
20,37.6,6.348688,52,7.06,60,7.29,75,7.7,90,8.05,110,8.68,120,8.92,135,8.9,150,8.29,177.7,7.636152
24,38.6,6.321012,52,7.05,60,7.3,75,7.8,90,8.3,110,9.25,120,9.86,135,10.49,150,9.35,176.6,8.394776

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.15	5.29	5.35	5.26	5.1	4.6	3.82
8	5.83	6.07	6.22	6.37	6.37	6.23	5.71	4.91
10	6.41	6.59	6.73	6.93	6.99	6.92	6.58	5.88
12	6.74	6.9	7.05	7.27	7.4	7.36	7.09	6.63
14	6.92	7.09	7.29	7.55	7.76	7.78	7.51	7.09
16	6.99	7.19	7.49	7.74	8.1	8.17	7.94	7.48
20	7.06	7.29	7.7	8.05	8.68	8.92	8.9	8.29
24	7.05	7.3	7.8	8.3	9.25	9.86	10.49	9.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.21	144.9°	3.31
8	41.5°	3.93	149.2°	4.25
10	39.8°	4.44	150.1°	5.09
12	38.2°	4.79	157°	5.83
14	37.6°	4.94	167.8°	6.4
16	37.5°	5	176.8°	6.89
20	37.6°	5.03	177.7°	7.63
24	38.6°	4.94	176.6°	8.38

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