AKRA — ORC Rating | RegattaPages

GPH

685.9

OSN

666.9

LOA

9.54 m

Displacement

3970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.58

Medium

0.7904

High

0.9194

Triple Offshore

Low

0.7558

Medium

0.9906

High

1.1206

Boat Specifications

Dimensions

Length overall: 9.54 m
Beam: 3.23 m
Draft: 1.48 m
Displacement: 3970 kg
Crew weight: 570 kg
Wetted surface: 21.38 m²

Sails

Mainsail: 25.95 m²
Genoa: 23.05 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 62.33 m²

Design

Type: OCEANIS 311
Builder: BENETEAU
Designer: FINOT
Year built: 2002

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.

6,45.4,4.201363,52,4.62,60,4.95,75,5.19,90,5.24,110,5.28,120,5.1,135,4.59,146,4.077017,150,3.9
8,44.2,4.993649,52,5.52,60,5.88,75,6.13,90,6.29,110,6.37,120,6.19,135,5.65,147.5,5.039178,150,4.91
10,43.5,5.59711,52,6.19,60,6.46,75,6.66,90,6.87,110,6.93,120,6.84,135,6.49,147,5.949893,150,5.76
12,42,6.014978,52,6.58,60,6.77,75,6.94,90,7.19,110,7.29,120,7.21,135,6.96,148.5,6.497465,150,6.4
14,40.5,6.180909,52,6.79,60,6.97,75,7.16,90,7.45,110,7.68,120,7.59,135,7.3,150,6.79,174,5.992829
16,40.3,6.267469,52,6.9,60,7.11,75,7.37,90,7.6,110,8.08,120,8.02,135,7.68,150,7.07,177,6.518934
20,41.6,6.351982,52,6.93,60,7.19,75,7.68,90,7.99,110,8.71,120,8.92,135,8.52,150,7.63,178,7.154358

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.62	4.95	5.19	5.24	5.28	5.1	4.59	3.9
8	5.52	5.88	6.13	6.29	6.37	6.19	5.65	4.91
10	6.19	6.46	6.66	6.87	6.93	6.84	6.49	5.76
12	6.58	6.77	6.94	7.19	7.29	7.21	6.96	6.4
14	6.79	6.97	7.16	7.45	7.68	7.59	7.3	6.79
16	6.9	7.11	7.37	7.6	8.08	8.02	7.68	7.07
20	6.93	7.19	7.68	7.99	8.71	8.92	8.52	7.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.95	146°	3.38
8	44.2°	3.58	147.5°	4.25
10	43.5°	4.06	147°	4.99
12	42°	4.47	148.5°	5.54
14	40.5°	4.7	174°	5.96
16	40.3°	4.78	177°	6.51
20	41.6°	4.75	178°	7.15

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