FIRST WAVE — ORC Rating

GPH

653.5

OSN

634

LOA

12.01 m

Displacement

8390 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6227

Medium

0.8418

High

0.9647

Triple Offshore

Low

0.803

Medium

1.0367

High

1.158

Boat Specifications

Dimensions

Length overall: 12.01 m
Beam: 3.94 m
Draft: 2.19 m
Displacement: 8390 kg
Crew weight: 500 kg
Wetted surface: 31.11 m²

Sails

Mainsail: 36.75 m²
Genoa: 44.83 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 92.57 m²

Design

Type: First 405
Builder: Beneteau
Designer: Berret
Year built: 1987
Stability index: 123.1

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.

6,44.2,4.603084,52,5.08,60,5.37,75,5.57,90,5.47,110,5.4,120,5.21,135,4.67,144.2,4.216684,150,3.95
8,41.8,5.405942,52,6.02,60,6.27,75,6.44,90,6.39,110,6.48,120,6.34,135,5.85,146.9,5.25236,150,5.08
10,39.9,5.930926,52,6.54,60,6.73,75,6.89,90,6.91,110,7.06,120,6.98,135,6.65,147.8,6.109716,150,5.97
12,37.8,6.12538,52,6.77,60,6.94,75,7.13,90,7.2,110,7.4,120,7.37,135,7.13,148.7,6.659186,150,6.57
14,38.4,6.405566,52,7.09,60,7.23,75,7.3,90,7.54,110,7.67,120,7.68,135,7.48,150,6.95,167.6,6.194504
16,38.2,6.515181,52,7.23,60,7.42,75,7.56,90,7.65,110,7.96,120,7.99,135,7.79,150,7.24,173.6,6.621264
20,38.1,6.5825,52,7.32,60,7.53,75,7.84,90,7.94,110,8.47,120,8.69,135,8.51,150,7.72,177.2,7.268678

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.08	5.37	5.57	5.47	5.4	5.21	4.67	3.95
8	6.02	6.27	6.44	6.39	6.48	6.34	5.85	5.08
10	6.54	6.73	6.89	6.91	7.06	6.98	6.65	5.97
12	6.77	6.94	7.13	7.2	7.4	7.37	7.13	6.57
14	7.09	7.23	7.3	7.54	7.67	7.68	7.48	6.95
16	7.23	7.42	7.56	7.65	7.96	7.99	7.79	7.24
20	7.32	7.53	7.84	7.94	8.47	8.69	8.51	7.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.3	144.2°	3.42
8	41.8°	4.03	146.9°	4.4
10	39.9°	4.55	147.8°	5.17
12	37.8°	4.84	148.7°	5.69
14	38.4°	5.02	167.6°	6.05
16	38.2°	5.12	173.6°	6.58
20	38.1°	5.18	177.2°	7.26

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