AKRA — ORC Rating | RegattaPages

GPH

687.9

OSN

666.4

LOA

9.54 m

Displacement

3969 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5789

Medium

0.7917

High

0.9226

Triple Offshore

Low

0.7501

Medium

0.9894

High

1.1248

Boat Specifications

Dimensions

Length overall: 9.54 m
Beam: 3.23 m
Draft: 1.45 m
Displacement: 3969 kg
Crew weight: 591 kg
Wetted surface: 22 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.

6,45.4,4.229847,52,4.61,60,4.9,75,5.08,90,5.13,110,5.18,120,5,135,4.51,144.8,4.050689,150,3.82
8,43.6,5.012622,52,5.54,60,5.82,75,6,90,6.17,110,6.25,120,6.08,135,5.59,146.9,5.03749,150,4.87
10,42.2,5.575019,52,6.17,60,6.4,75,6.57,90,6.8,110,6.88,120,6.78,135,6.42,147.1,5.883615,150,5.71
12,40.8,5.957767,52,6.55,60,6.74,75,6.91,90,7.16,110,7.29,120,7.21,135,6.94,147.8,6.476063,150,6.33
14,39.5,6.155843,52,6.78,60,6.96,75,7.15,90,7.43,110,7.67,120,7.61,135,7.33,150,6.74,150.2,6.729929
16,39.2,6.271417,52,6.92,60,7.12,75,7.37,90,7.62,110,8.04,120,8.01,135,7.72,150,7.05,173.8,6.407478
20,39.5,6.324319,52,7.01,60,7.26,75,7.7,90,7.93,110,8.67,120,8.84,135,8.52,150,7.63,176.8,7.101072
24,41,6.293812,52,6.97,60,7.27,75,7.82,90,8.28,110,9.11,120,9.91,135,9.66,150,8.24,176.5,7.674314

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.61	4.9	5.08	5.13	5.18	5	4.51	3.82
8	5.54	5.82	6	6.17	6.25	6.08	5.59	4.87
10	6.17	6.4	6.57	6.8	6.88	6.78	6.42	5.71
12	6.55	6.74	6.91	7.16	7.29	7.21	6.94	6.33
14	6.78	6.96	7.15	7.43	7.67	7.61	7.33	6.74
16	6.92	7.12	7.37	7.62	8.04	8.01	7.72	7.05
20	7.01	7.26	7.7	7.93	8.67	8.84	8.52	7.63
24	6.97	7.27	7.82	8.28	9.11	9.91	9.66	8.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.97	144.8°	3.31
8	43.6°	3.63	146.9°	4.22
10	42.2°	4.13	147.1°	4.94
12	40.8°	4.51	147.8°	5.48
14	39.5°	4.75	150.2°	5.84
16	39.2°	4.86	173.8°	6.37
20	39.5°	4.88	176.8°	7.09
24	41°	4.75	176.5°	7.66

Loading polar chart…