AMETA — ORC Rating | RegattaPages

GPH

654.2

OSN

631.1

LOA

11.818 m

Displacement

7937 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5924

Medium

0.8326

High

0.9934

Triple Offshore

Low

0.7702

Medium

1.0482

High

1.2167

Boat Specifications

Dimensions

Length overall: 11.818 m
Beam: 4 m
Draft: 1.98 m
Displacement: 7937 kg
Crew weight: 800 kg
Wetted surface: 35.2 m²

Sails

Mainsail: 35.86 m²
Genoa: 43.11 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 87.03 m²

Design

Type: Dufour 405 GL
Builder: Dufour Yachts
Designer: Felci
Year built: 2010

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.

6,45.9,4.339624,52,4.74,60,5.08,75,5.31,90,5.2,110,5.27,120,5.1,135,4.58,144.9,4.11905,150,3.89
8,44,5.213113,52,5.77,60,6.11,75,6.33,90,6.37,110,6.48,120,6.29,135,5.77,146.7,5.192584,150,5.01
10,42.9,5.883614,52,6.52,60,6.82,75,7.04,90,7.2,110,7.31,120,7.18,135,6.73,147.1,6.121818,150,5.93
12,41.8,6.385182,52,7.04,60,7.29,75,7.48,90,7.71,110,7.82,120,7.73,135,7.4,147.2,6.876314,150,6.68
14,40.4,6.710102,52,7.39,60,7.6,75,7.78,90,8.06,110,8.22,120,8.15,135,7.86,148.2,7.330337,150,7.19
16,40.2,6.952118,52,7.61,60,7.81,75,8.03,90,8.32,110,8.61,120,8.55,135,8.25,150,7.57,170.4,6.734307
20,40.4,7.077779,52,7.75,60,8.01,75,8.41,90,8.59,110,9.31,120,9.35,135,9.02,150,8.16,175.8,7.560303
24,41.8,7.082723,52,7.74,60,8.05,75,8.57,90,8.97,110,9.83,120,10.3,135,9.91,150,8.75,176.5,8.155211

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5.08	5.31	5.2	5.27	5.1	4.58	3.89
8	5.77	6.11	6.33	6.37	6.48	6.29	5.77	5.01
10	6.52	6.82	7.04	7.2	7.31	7.18	6.73	5.93
12	7.04	7.29	7.48	7.71	7.82	7.73	7.4	6.68
14	7.39	7.6	7.78	8.06	8.22	8.15	7.86	7.19
16	7.61	7.81	8.03	8.32	8.61	8.55	8.25	7.57
20	7.75	8.01	8.41	8.59	9.31	9.35	9.02	8.16
24	7.74	8.05	8.57	8.97	9.83	10.3	9.91	8.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.9°	3.02	144.9°	3.37
8	44°	3.75	146.7°	4.34
10	42.9°	4.31	147.1°	5.14
12	41.8°	4.76	147.2°	5.78
14	40.4°	5.11	148.2°	6.23
16	40.2°	5.31	170.4°	6.64
20	40.4°	5.39	175.8°	7.54
24	41.8°	5.28	176.5°	8.14

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