AMETA — ORC Rating | RegattaPages

GPH

646.7

OSN

626.7

LOA

11.9 m

Displacement

7935 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6048

Medium

0.8376

High

0.9993

Triple Offshore

Low

0.7875

Medium

1.0558

High

1.2159

Boat Specifications

Dimensions

Length overall: 11.9 m
Beam: 3.98 m
Draft: 2.03 m
Displacement: 7935 kg
Crew weight: 800 kg
Wetted surface: 32 m²

Sails

Mainsail: 34.42 m²
Genoa: 43.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 87.03 m²

Design

Type: Dufour 405 GL
Builder: Dufour Yachts
Designer: Felci
Year built: 2009

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.

6,44.6,4.353773,52,4.86,60,5.2,75,5.48,90,5.43,110,5.41,120,5.24,135,4.72,145.5,4.21052,150,4
8,42.8,5.165389,52,5.81,60,6.17,75,6.49,90,6.48,110,6.6,120,6.39,135,5.83,147.5,5.205175,150,5.07
10,42,5.813133,52,6.58,60,6.93,75,7.18,90,7.31,110,7.41,120,7.28,135,6.8,147.2,6.138716,150,5.96
12,42.4,6.486513,52,7.13,60,7.36,75,7.55,90,7.75,110,7.83,120,7.75,135,7.45,147.5,6.912567,150,6.73
14,40.5,6.772698,52,7.43,60,7.62,75,7.8,90,8.04,110,8.19,120,8.11,135,7.84,149.5,7.288518,150,7.25
16,40.1,6.94189,52,7.59,60,7.79,75,8.01,90,8.21,110,8.57,120,8.5,135,8.19,150,7.6,174,6.787181
20,39.8,7.002623,52,7.68,60,7.92,75,8.33,90,8.57,110,9.22,120,9.31,135,8.96,150,8.12,178,7.614639

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.2	5.48	5.43	5.41	5.24	4.72	4
8	5.81	6.17	6.49	6.48	6.6	6.39	5.83	5.07
10	6.58	6.93	7.18	7.31	7.41	7.28	6.8	5.96
12	7.13	7.36	7.55	7.75	7.83	7.75	7.45	6.73
14	7.43	7.62	7.8	8.04	8.19	8.11	7.84	7.25
16	7.59	7.79	8.01	8.21	8.57	8.5	8.19	7.6
20	7.68	7.92	8.33	8.57	9.22	9.31	8.96	8.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	3.1	145.5°	3.47
8	42.8°	3.79	147.5°	4.39
10	42°	4.32	147.2°	5.16
12	42.4°	4.79	147.5°	5.83
14	40.5°	5.15	149.5°	6.28
16	40.1°	5.31	174°	6.75
20	39.8°	5.38	178°	7.61

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