Aurora 2 — ORC Rating

GPH

574.7

OSN

559.4

LOA

13.6 m

Displacement

10944 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7834

Medium

1.067

High

1.236

Triple Offshore

Low

1.0186

Medium

1.33

High

1.4897

Boat Specifications

Dimensions

Length overall: 13.6 m
Beam: 4.3 m
Draft: 2.3 m
Displacement: 10944 kg
Crew weight: 931 kg
Wetted surface: 42.39 m²

Sails

Mainsail: 64.27 m²
Genoa: 62.98 m²
Spinnaker: 134.83 m²
Asymmetric spinnaker: 132.77 m²

Design

Type: Dufour 45 Performa
Designer: Umberto Felci
Year built: 2008

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.

6,43.9,5.162715,52,5.73,60,6.08,75,6.37,90,6.33,110,6.06,120,5.88,135,5.26,144.1,4.728152,150,4.43
8,42.4,6.107343,52,6.84,60,7.21,75,7.47,90,7.45,110,7.39,120,7.17,135,6.51,148.2,5.706603,150,5.6
10,42,6.849271,52,7.6,60,7.87,75,8.06,90,8.08,110,8.16,120,8.03,135,7.54,150,6.64,150.8,6.587071
12,41.2,7.163601,52,7.88,60,8.13,75,8.36,90,8.44,110,8.59,120,8.5,135,8.17,150,7.53,153.7,7.317456
14,40.4,7.261618,52,8,60,8.24,75,8.55,90,8.72,110,8.96,120,8.94,135,8.59,150,8.14,161.6,7.63008
16,40,7.310281,52,8.05,60,8.29,75,8.64,90,8.97,110,9.21,120,9.38,135,9.03,150,8.54,180,7.87
20,39.7,7.395377,52,8.13,60,8.35,75,8.73,90,9.26,110,9.64,120,10.05,135,10.03,150,9.38,180,8.7

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.73	6.08	6.37	6.33	6.06	5.88	5.26	4.43
8	6.84	7.21	7.47	7.45	7.39	7.17	6.51	5.6
10	7.6	7.87	8.06	8.08	8.16	8.03	7.54	6.64
12	7.88	8.13	8.36	8.44	8.59	8.5	8.17	7.53
14	8	8.24	8.55	8.72	8.96	8.94	8.59	8.14
16	8.05	8.29	8.64	8.97	9.21	9.38	9.03	8.54
20	8.13	8.35	8.73	9.26	9.64	10.05	10.03	9.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.72	144.1°	3.83
8	42.4°	4.51	148.2°	4.85
10	42°	5.09	150.8°	5.75
12	41.2°	5.39	153.7°	6.56
14	40.4°	5.53	161.6°	7.24
16	40°	5.6	180°	7.87
20	39.7°	5.69	180°	8.7

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