AURA — ORC Rating | RegattaPages

GPH

693.9

OSN

672.5

LOA

9.85 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5703

Medium

0.7834

High

0.9175

Triple Offshore

Low

0.74

Medium

0.9825

High

1.1162

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: 23.6 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: 112.8

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.

6,45,4.087077,52,4.51,60,4.81,75,5.04,90,5.07,110,5.13,120,4.96,135,4.49,146,4.016706,150,3.84
8,43,4.812993,52,5.37,60,5.69,75,5.96,90,6.13,110,6.23,120,6.06,135,5.55,147.1,5.002264,150,4.84
10,42.4,5.430254,52,6.08,60,6.37,75,6.58,90,6.81,110,6.88,120,6.79,135,6.44,146.6,5.905268,150,5.69
12,42,5.974609,52,6.56,60,6.76,75,6.92,90,7.16,110,7.26,120,7.19,135,6.95,147.8,6.499698,150,6.35
14,40.6,6.216487,52,6.81,60,6.98,75,7.15,90,7.34,110,7.62,120,7.57,135,7.31,150,6.76,151.1,6.693589
16,40.2,6.297493,52,6.9,60,7.1,75,7.35,90,7.46,110,7.97,120,7.96,135,7.69,150,7.06,173.6,6.440135
20,40.8,6.32765,52,6.92,60,7.16,75,7.56,90,7.89,110,8.38,120,8.72,135,8.44,150,7.6,177.2,7.098475

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.51	4.81	5.04	5.07	5.13	4.96	4.49	3.84
8	5.37	5.69	5.96	6.13	6.23	6.06	5.55	4.84
10	6.08	6.37	6.58	6.81	6.88	6.79	6.44	5.69
12	6.56	6.76	6.92	7.16	7.26	7.19	6.95	6.35
14	6.81	6.98	7.15	7.34	7.62	7.57	7.31	6.76
16	6.9	7.1	7.35	7.46	7.97	7.96	7.69	7.06
20	6.92	7.16	7.56	7.89	8.38	8.72	8.44	7.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.89	146°	3.33
8	43°	3.52	147.1°	4.2
10	42.4°	4.01	146.6°	4.93
12	42°	4.44	147.8°	5.5
14	40.6°	4.72	151.1°	5.86
16	40.2°	4.81	173.6°	6.4
20	40.8°	4.79	177.2°	7.09

Loading polar chart…