Aurora — ORC Rating | RegattaPages

GPH

652.1

OSN

632.5

LOA

10.34 m

Displacement

5199 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6918

Medium

0.9498

High

1.1066

Triple Offshore

Low

0.8955

Medium

1.1724

High

1.3212

Boat Specifications

Dimensions

Length overall: 10.34 m
Beam: 3.48 m
Draft: 1.95 m
Displacement: 5199 kg
Crew weight: 616 kg
Wetted surface: 25.17 m²

Sails

Mainsail: 34.84 m²
Genoa: 26.15 m²
Spinnaker: 75.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 34
Builder: Dufour Yachts
Designer: Umberto Felci
Year built: 2003

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.

6,43.4,4.349174,52,4.88,60,5.18,75,5.42,90,5.41,110,5.48,120,5.34,135,4.86,145.7,4.285204,150,4.09
8,41.8,5.124243,52,5.79,60,6.11,75,6.37,90,6.49,110,6.62,120,6.48,135,5.94,150,5.15,150.1,5.144788
10,41.5,5.808087,52,6.47,60,6.72,75,6.9,90,7.08,110,7.19,120,7.12,135,6.77,150,6.07,151.9,5.974197
12,40.3,6.228133,52,6.86,60,7.04,75,7.19,90,7.36,110,7.56,120,7.51,135,7.23,150,6.81,157.4,6.477398
14,39.5,6.389117,52,7.05,60,7.22,75,7.41,90,7.5,110,7.93,120,7.88,135,7.59,150,7.23,180,6.6
16,39.1,6.430028,52,7.11,60,7.31,75,7.59,90,7.71,110,8.21,120,8.28,135,7.98,150,7.56,180,7.08
20,39,6.523871,52,7.15,60,7.35,75,7.76,90,8.15,110,8.57,120,8.92,135,8.85,150,8.31,180,7.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.18	5.42	5.41	5.48	5.34	4.86	4.09
8	5.79	6.11	6.37	6.49	6.62	6.48	5.94	5.15
10	6.47	6.72	6.9	7.08	7.19	7.12	6.77	6.07
12	6.86	7.04	7.19	7.36	7.56	7.51	7.23	6.81
14	7.05	7.22	7.41	7.5	7.93	7.88	7.59	7.23
16	7.11	7.31	7.59	7.71	8.21	8.28	7.98	7.56
20	7.15	7.35	7.76	8.15	8.57	8.92	8.85	8.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.16	145.7°	3.54
8	41.8°	3.82	150.1°	4.46
10	41.5°	4.35	151.9°	5.27
12	40.3°	4.75	157.4°	5.98
14	39.5°	4.93	180°	6.6
16	39.1°	4.99	180°	7.08
20	39°	5.07	180°	7.75

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