DAKOTA — ORC Rating | RegattaPages

GPH

563.5

OSN

546.6

LOA

14.506 m

Displacement

11845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.708

Medium

0.9736

High

1.1112

Triple Offshore

Low

0.9193

Medium

1.209

High

1.3527

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.28 m
Displacement: 11845 kg
Crew weight: 1143 kg
Wetted surface: 43.77 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.

6,44.2,5.272624,52,5.85,60,6.23,75,6.49,90,6.35,110,6.12,120,5.98,135,5.29,143.3,4.814314,150,4.46
8,42.4,6.269844,52,6.99,60,7.31,75,7.51,90,7.44,110,7.45,120,7.33,135,6.73,146.9,5.896967,150,5.7
10,40.8,6.935316,52,7.69,60,7.93,75,8.1,90,8.1,110,8.26,120,8.19,135,7.77,146.9,7.078748,150,6.84
12,39.9,7.273532,52,8.05,60,8.27,75,8.45,90,8.49,110,8.74,120,8.71,135,8.42,149.6,7.767993,150,7.74
14,39.1,7.422237,52,8.22,60,8.45,75,8.7,90,8.8,110,9.13,120,9.16,135,8.88,150,8.26,150.1,8.24781
16,38.7,7.508677,52,8.32,60,8.56,75,8.88,90,9.06,110,9.47,120,9.59,135,9.34,150,8.61,167.6,7.658659
20,38.8,7.634685,52,8.42,60,8.67,75,9.1,90,9.49,110,9.91,120,10.39,135,10.33,150,9.25,175.4,8.467274

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.85	6.23	6.49	6.35	6.12	5.98	5.29	4.46
8	6.99	7.31	7.51	7.44	7.45	7.33	6.73	5.7
10	7.69	7.93	8.1	8.1	8.26	8.19	7.77	6.84
12	8.05	8.27	8.45	8.49	8.74	8.71	8.42	7.74
14	8.22	8.45	8.7	8.8	9.13	9.16	8.88	8.26
16	8.32	8.56	8.88	9.06	9.47	9.59	9.34	8.61
20	8.42	8.67	9.1	9.49	9.91	10.39	10.33	9.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.78	143.3°	3.86
8	42.4°	4.63	146.9°	4.94
10	40.8°	5.25	146.9°	5.93
12	39.9°	5.58	149.6°	6.7
14	39.1°	5.76	150.1°	7.15
16	38.7°	5.86	167.6°	7.48
20	38.8°	5.95	175.4°	8.44

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