nada — ORC Rating | RegattaPages

GPH

670.3

OSN

649.3

LOA

9.85 m

Displacement

3857 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6749

Medium

0.9281

High

1.0733

Triple Offshore

Low

0.8714

Medium

1.1405

High

1.2826

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.22 m
Draft: 1.94 m
Displacement: 3857 kg
Crew weight: 585 kg
Wetted surface: 22.23 m²

Sails

Mainsail: 24.92 m²
Genoa: 31.17 m²
Spinnaker: 61.37 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7 LR
Builder: Beneteau
Designer: Groupe 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.

6,42.8,4.374907,52,4.91,60,5.19,75,5.4,90,5.33,110,5.14,120,4.98,135,4.51,146.5,3.957376,150,3.81
8,41.1,5.1356,52,5.8,60,6.09,75,6.31,90,6.28,110,6.25,120,6.09,135,5.56,150,4.85,150.3,4.835192
10,40.6,5.781859,52,6.42,60,6.61,75,6.76,90,6.79,110,6.87,120,6.79,135,6.44,150,5.74,151.9,5.645446
12,39,6.09924,52,6.73,60,6.88,75,7.03,90,7.11,110,7.25,120,7.18,135,6.93,150,6.49,157.2,6.172283
14,38.2,6.197057,52,6.85,60,7.03,75,7.24,90,7.33,110,7.62,120,7.56,135,7.28,150,6.93,175.7,6.327812
16,38.1,6.252105,52,6.9,60,7.1,75,7.41,90,7.59,110,7.98,120,7.99,135,7.67,150,7.26,180,6.8
20,38.7,6.25296,52,6.92,60,7.13,75,7.54,90,8.01,110,8.42,120,8.82,135,8.58,150,8.01,180,7.45

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.91	5.19	5.4	5.33	5.14	4.98	4.51	3.81
8	5.8	6.09	6.31	6.28	6.25	6.09	5.56	4.85
10	6.42	6.61	6.76	6.79	6.87	6.79	6.44	5.74
12	6.73	6.88	7.03	7.11	7.25	7.18	6.93	6.49
14	6.85	7.03	7.24	7.33	7.62	7.56	7.28	6.93
16	6.9	7.1	7.41	7.59	7.98	7.99	7.67	7.26
20	6.92	7.13	7.54	8.01	8.42	8.82	8.58	8.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.21	146.5°	3.3
8	41.1°	3.87	150.3°	4.2
10	40.6°	4.39	151.9°	4.98
12	39°	4.74	157.2°	5.69
14	38.2°	4.87	175.7°	6.31
16	38.1°	4.92	180°	6.8
20	38.7°	4.88	180°	7.45

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