DAKOTA — ORC Rating | RegattaPages

GPH

570.3

OSN

553.4

LOA

14.5 m

Displacement

11845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6909

Medium

0.9578

High

1.1019

Triple Offshore

Low

0.9009

Medium

1.1973

High

1.3485

Boat Specifications

Dimensions

Length overall: 14.5 m
Beam: 4.51 m
Draft: 2.28 m
Displacement: 11845 kg
Crew weight: 1143 kg
Wetted surface: 43.78 m²

Sails

Mainsail: 62.84 m²
Genoa: 69.06 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 172.52 m²

Design

Type: FIRST 47.7
Builder: BENETEAU
Designer: FARR Bruce
Year built: 1999
Stability index: 117.1

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.

6,45,5.091169,52,5.59,60,5.99,75,6.34,90,6.28,110,6.1,120,5.97,135,5.31,143.8,4.820559,150,4.49
8,43.2,6.035925,52,6.72,60,7.12,75,7.45,90,7.43,110,7.47,120,7.33,135,6.7,147.3,5.870394,150,5.7
10,42.6,6.846923,52,7.57,60,7.87,75,8.09,90,8.12,110,8.3,120,8.22,135,7.81,146,7.14081,150,6.83
12,41.7,7.299386,52,8.01,60,8.25,75,8.44,90,8.51,110,8.76,120,8.71,135,8.43,149.6,7.802775,150,7.77
14,40.5,7.443392,52,8.2,60,8.44,75,8.69,90,8.81,110,9.18,120,9.19,135,8.88,150,8.29,150.5,8.249501
16,39.9,7.534232,52,8.3,60,8.54,75,8.89,90,9.1,110,9.54,120,9.69,135,9.36,150,8.62,156.8,8.148963
20,40.2,7.64602,52,8.38,60,8.64,75,9.11,90,9.61,110,10.02,120,10.53,135,10.44,150,9.27,176.3,8.457629

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.59	5.99	6.34	6.28	6.1	5.97	5.31	4.49
8	6.72	7.12	7.45	7.43	7.47	7.33	6.7	5.7
10	7.57	7.87	8.09	8.12	8.3	8.22	7.81	6.83
12	8.01	8.25	8.44	8.51	8.76	8.71	8.43	7.77
14	8.2	8.44	8.69	8.81	9.18	9.19	8.88	8.29
16	8.3	8.54	8.89	9.1	9.54	9.69	9.36	8.62
20	8.38	8.64	9.11	9.61	10.02	10.53	10.44	9.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.6	143.8°	3.89
8	43.2°	4.4	147.3°	4.94
10	42.6°	5.04	146°	5.92
12	41.7°	5.45	149.6°	6.73
14	40.5°	5.66	150.5°	7.18
16	39.9°	5.78	156.8°	7.49
20	40.2°	5.84	176.3°	8.44

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