ATHENEA — ORC Rating | RegattaPages

GPH

638.5

OSN

618.5

LOA

11.88 m

Displacement

7869 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6113

Medium

0.8543

High

1.0086

Triple Offshore

Low

0.798

Medium

1.0704

High

1.2218

Boat Specifications

Dimensions

Length overall: 11.88 m
Beam: 4.01 m
Draft: 1.97 m
Displacement: 7869 kg
Crew weight: 420 kg
Wetted surface: 34.08 m²

Sails

Mainsail: 37.56 m²
Genoa: 48.65 m²
Spinnaker: 106.81 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 405 GLarge
Builder: DUFOUR
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.

6,45,4.454773,52,4.93,60,5.29,75,5.6,90,5.56,110,5.44,120,5.31,135,4.82,146,4.197638,150,4.02
8,43.5,5.307604,52,5.9,60,6.26,75,6.58,90,6.58,110,6.65,120,6.51,135,5.96,149.5,5.141423,150,5.12
10,43.1,5.998667,52,6.68,60,7.01,75,7.26,90,7.3,110,7.47,120,7.38,135,6.96,149.5,6.151138,150,6.12
12,42.8,6.555546,52,7.2,60,7.44,75,7.63,90,7.74,110,7.92,120,7.86,135,7.58,150,6.98,154,6.775746
14,42,6.768533,52,7.43,60,7.66,75,7.88,90,7.95,110,8.29,120,8.25,135,7.98,150,7.56,163,7.047962
16,41.6,6.860141,52,7.51,60,7.75,75,8.07,90,8.2,110,8.61,120,8.66,135,8.37,150,7.94,180,7.33
20,42,6.903096,52,7.55,60,7.81,75,8.23,90,8.64,110,9,120,9.4,135,9.23,150,8.69,180,8.09

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.29	5.6	5.56	5.44	5.31	4.82	4.02
8	5.9	6.26	6.58	6.58	6.65	6.51	5.96	5.12
10	6.68	7.01	7.26	7.3	7.47	7.38	6.96	6.12
12	7.2	7.44	7.63	7.74	7.92	7.86	7.58	6.98
14	7.43	7.66	7.88	7.95	8.29	8.25	7.98	7.56
16	7.51	7.75	8.07	8.2	8.61	8.66	8.37	7.94
20	7.55	7.81	8.23	8.64	9	9.4	9.23	8.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.15	146°	3.48
8	43.5°	3.85	149.5°	4.43
10	43.1°	4.38	149.5°	5.3
12	42.8°	4.81	154°	6.09
14	42°	5.03	163°	6.74
16	41.6°	5.13	180°	7.33
20	42°	5.13	180°	8.09

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