FIRST WAVE — ORC Rating

GPH

653.3

OSN

633.6

LOA

12.01 m

Displacement

8390 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6217

Medium

0.8424

High

0.9673

Triple Offshore

Low

0.8021

Medium

1.0377

High

1.1598

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: 31.31 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

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.

6,44.4,4.604795,52,5.07,60,5.36,75,5.56,90,5.46,110,5.39,120,5.21,135,4.67,144,4.227352,150,3.95
8,41.8,5.405942,52,6.02,60,6.27,75,6.44,90,6.39,110,6.49,120,6.34,135,5.84,146.7,5.252406,150,5.06
10,39.8,5.922293,52,6.55,60,6.74,75,6.9,90,6.92,110,7.07,120,6.99,135,6.66,147.6,6.11137,150,5.96
12,37.8,6.138036,52,6.78,60,6.95,75,7.14,90,7.21,110,7.41,120,7.38,135,7.14,148.5,6.661661,150,6.56
14,38.3,6.434954,52,7.1,60,7.24,75,7.31,90,7.54,110,7.67,120,7.69,135,7.48,150,6.95,171.7,6.103934
16,38,6.522754,52,7.24,60,7.43,75,7.57,90,7.65,110,7.96,120,7.99,135,7.79,150,7.24,173.6,6.621264
20,37.9,6.589919,52,7.33,60,7.53,75,7.85,90,7.95,110,8.45,120,8.69,135,8.49,150,7.71,176.3,7.285185
24,38.5,6.593338,52,7.34,60,7.57,75,7.95,90,8.28,110,8.76,120,9.29,135,9.33,150,8.24,176.3,7.756167

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.36	5.56	5.46	5.39	5.21	4.67	3.95
8	6.02	6.27	6.44	6.39	6.49	6.34	5.84	5.06
10	6.55	6.74	6.9	6.92	7.07	6.99	6.66	5.96
12	6.78	6.95	7.14	7.21	7.41	7.38	7.14	6.56
14	7.1	7.24	7.31	7.54	7.67	7.69	7.48	6.95
16	7.24	7.43	7.57	7.65	7.96	7.99	7.79	7.24
20	7.33	7.53	7.85	7.95	8.45	8.69	8.49	7.71
24	7.34	7.57	7.95	8.28	8.76	9.29	9.33	8.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.29	144°	3.42
8	41.8°	4.03	146.7°	4.39
10	39.8°	4.55	147.6°	5.16
12	37.8°	4.85	148.5°	5.68
14	38.3°	5.05	171.7°	6.04
16	38°	5.14	173.6°	6.58
20	37.9°	5.2	176.3°	7.27
24	38.5°	5.16	176.3°	7.74

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