Båtenvår — ORC Rating

GPH

665.5

OSN

644.8

LOA

9.5 m

Displacement

3814 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6823

Medium

0.9363

High

1.0767

Triple Offshore

Low

0.8783

Medium

1.1491

High

1.2882

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.22 m
Draft: 1.93 m
Displacement: 3814 kg
Crew weight: 586 kg
Wetted surface: 22.2 m²

Sails

Mainsail: 26.43 m²
Genoa: 31.19 m²
Spinnaker: 61.32 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
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.

6,42.4,4.41462,52,4.93,60,5.19,75,5.39,90,5.33,110,5.17,120,5.01,135,4.54,146.5,3.98136,150,3.84
8,40.8,5.191579,52,5.87,60,6.13,75,6.32,90,6.29,110,6.28,120,6.12,135,5.59,150,4.88,150.5,4.848592
10,40.3,5.861001,52,6.49,60,6.67,75,6.8,90,6.83,110,6.9,120,6.81,135,6.46,150,5.77,152.2,5.663699
12,38.8,6.133411,52,6.76,60,6.92,75,7.07,90,7.14,110,7.29,120,7.2,135,6.94,150,6.52,157.8,6.177969
14,38.1,6.213982,52,6.86,60,7.05,75,7.28,90,7.37,110,7.68,120,7.6,135,7.3,150,6.95,180,6.35
16,37.9,6.260423,52,6.91,60,7.11,75,7.44,90,7.65,110,8.04,120,8.04,135,7.71,150,7.28,180,6.83
20,38.7,6.25296,52,6.92,60,7.14,75,7.56,90,8.05,110,8.45,120,8.89,135,8.64,150,8.06,180,7.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.19	5.39	5.33	5.17	5.01	4.54	3.84
8	5.87	6.13	6.32	6.29	6.28	6.12	5.59	4.88
10	6.49	6.67	6.8	6.83	6.9	6.81	6.46	5.77
12	6.76	6.92	7.07	7.14	7.29	7.2	6.94	6.52
14	6.86	7.05	7.28	7.37	7.68	7.6	7.3	6.95
16	6.91	7.11	7.44	7.65	8.04	8.04	7.71	7.28
20	6.92	7.14	7.56	8.05	8.45	8.89	8.64	8.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.26	146.5°	3.32
8	40.8°	3.93	150.5°	4.22
10	40.3°	4.47	152.2°	5.01
12	38.8°	4.78	157.8°	5.72
14	38.1°	4.89	180°	6.35
16	37.9°	4.94	180°	6.83
20	38.7°	4.88	180°	7.49

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