Aurora — ORC Rating | RegattaPages

GPH

687.4

OSN

668

LOA

9.896 m

Displacement

4400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5854

Medium

0.8008

High

0.9271

Triple Offshore

Low

0.759

Medium

0.9873

High

1.1047

Boat Specifications

Dimensions

Length overall: 9.896 m
Beam: 3.16 m
Draft: 1.71 m
Displacement: 4400 kg
Crew weight: 400 kg
Wetted surface: 22.17 m²

Sails

Mainsail: 31.78 m²
Genoa: 19.79 m²
Spinnaker: 59.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: Albin Nova
Builder: Albin Marine
Designer: Peter Norlin
Year built: 1981

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.

6,43.5,4.232297,52,4.69,60,4.96,75,5.16,90,5.24,110,5.25,120,5.08,135,4.57,147,3.934799,150,3.82
8,41.2,4.904209,52,5.53,60,5.82,75,6.06,90,6.25,110,6.31,120,6.16,135,5.55,150,4.82,152,4.734143
10,40.9,5.503712,52,6.17,60,6.39,75,6.55,90,6.74,110,6.81,120,6.73,135,6.41,150,5.72,152,5.617547
12,40.7,5.909243,52,6.48,60,6.66,75,6.81,90,6.99,110,7.14,120,7.08,135,6.84,150,6.46,160,6.076455
14,40.1,6.039836,52,6.63,60,6.81,75,7,90,7.12,110,7.47,120,7.41,135,7.16,150,6.84,180,6.33
16,39.8,6.078485,52,6.69,60,6.88,75,7.15,90,7.27,110,7.75,120,7.77,135,7.51,150,7.15,180,6.75
20,39.4,6.121127,52,6.72,60,6.93,75,7.31,90,7.64,110,8.05,120,8.36,135,8.26,150,7.83,180,7.36

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.96	5.16	5.24	5.25	5.08	4.57	3.82
8	5.53	5.82	6.06	6.25	6.31	6.16	5.55	4.82
10	6.17	6.39	6.55	6.74	6.81	6.73	6.41	5.72
12	6.48	6.66	6.81	6.99	7.14	7.08	6.84	6.46
14	6.63	6.81	7	7.12	7.47	7.41	7.16	6.84
16	6.69	6.88	7.15	7.27	7.75	7.77	7.51	7.15
20	6.72	6.93	7.31	7.64	8.05	8.36	8.26	7.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.07	147°	3.3
8	41.2°	3.69	152°	4.18
10	40.9°	4.16	152°	4.96
12	40.7°	4.48	160°	5.71
14	40.1°	4.62	180°	6.33
16	39.8°	4.67	180°	6.75
20	39.4°	4.73	180°	7.36

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