AURA — ORC Rating | RegattaPages

GPH

695.9

OSN

673.5

LOA

9.85 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5723

Medium

0.7834

High

0.912

Triple Offshore

Low

0.7396

Medium

0.9795

High

1.1095

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.39 m
Draft: 1.82 m
Displacement: 4700 kg
Crew weight: 400 kg
Wetted surface: 23.53 m²

Sails

Mainsail: 26.15 m²
Genoa: 27.07 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 65.61 m²

Design

Type: DUFOUR 325 GL
Builder: Dufour
Designer: Felci
Year built: 2005
Stability index: 114

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.

6,44.8,4.14335,52,4.55,60,4.83,75,5.02,90,5.02,110,5.08,120,4.91,135,4.43,145.7,3.958367,150,3.77
8,43,4.922379,52,5.44,60,5.71,75,5.91,90,6.05,110,6.14,120,5.98,135,5.5,146.9,4.965867,150,4.8
10,41.7,5.477888,52,6.08,60,6.32,75,6.51,90,6.72,110,6.81,120,6.7,135,6.34,146.9,5.813407,150,5.63
12,40.6,5.900394,52,6.52,60,6.71,75,6.87,90,7.1,110,7.22,120,7.16,135,6.88,147.5,6.414578,150,6.25
14,39.9,6.139486,52,6.76,60,6.95,75,7.13,90,7.31,110,7.57,120,7.53,135,7.28,150,6.68,167.6,5.918055
16,39.9,6.230731,52,6.87,60,7.08,75,7.32,90,7.43,110,7.87,120,7.88,135,7.64,150,7.01,173,6.377537
20,40.5,6.299267,52,6.92,60,7.16,75,7.53,90,7.78,110,8.29,120,8.56,135,8.34,150,7.56,176.6,7.072449

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.55	4.83	5.02	5.02	5.08	4.91	4.43	3.77
8	5.44	5.71	5.91	6.05	6.14	5.98	5.5	4.8
10	6.08	6.32	6.51	6.72	6.81	6.7	6.34	5.63
12	6.52	6.71	6.87	7.1	7.22	7.16	6.88	6.25
14	6.76	6.95	7.13	7.31	7.57	7.53	7.28	6.68
16	6.87	7.08	7.32	7.43	7.87	7.88	7.64	7.01
20	6.92	7.16	7.53	7.78	8.29	8.56	8.34	7.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	2.94	145.7°	3.27
8	43°	3.6	146.9°	4.16
10	41.7°	4.09	146.9°	4.87
12	40.6°	4.48	147.5°	5.41
14	39.9°	4.71	167.6°	5.78
16	39.9°	4.78	173°	6.33
20	40.5°	4.79	176.6°	7.06

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