ANTAMA — ORC Rating | RegattaPages

GPH

616.5

OSN

599.6

LOA

11.99 m

Displacement

7599 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6681

Medium

0.8957

High

1.0264

Triple Offshore

Low

0.8572

Medium

1.0958

High

1.214

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.83 m
Draft: 2.17 m
Displacement: 7599 kg
Crew weight: 700 kg
Wetted surface: 30.79 m²

Sails

Mainsail: 37.34 m²
Genoa: 61.81 m²
Spinnaker: 123.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: SWAN 39
Builder: NAUTOR
Designer: RON HOLLAND
Year built: 1978
Stability index: 116.3

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.

6,42.6,4.849904,52,5.4,60,5.69,75,5.92,90,5.85,110,5.66,120,5.52,135,5.03,145.7,4.515201,150,4.3
8,41.8,5.71447,52,6.39,60,6.66,75,6.84,90,6.82,110,6.84,120,6.7,135,6.16,150,5.38,150.2,5.370115
10,41.2,6.352878,52,6.97,60,7.14,75,7.27,90,7.3,110,7.42,120,7.35,135,7.05,150,6.34,151.1,6.282379
12,39.7,6.56356,52,7.2,60,7.36,75,7.52,90,7.58,110,7.76,120,7.73,135,7.51,150,7.09,156.5,6.804352
14,39.1,6.687744,52,7.3,60,7.48,75,7.7,90,7.81,110,8.06,120,8.1,135,7.87,150,7.51,167.6,6.993134
16,38.4,6.724568,52,7.36,60,7.54,75,7.83,90,8.03,110,8.25,120,8.46,135,8.27,150,7.85,177.2,7.318738
20,38.1,6.760406,52,7.4,60,7.6,75,7.98,90,8.38,110,8.57,120,8.9,135,9.06,150,8.6,178.1,7.98439

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.4	5.69	5.92	5.85	5.66	5.52	5.03	4.3
8	6.39	6.66	6.84	6.82	6.84	6.7	6.16	5.38
10	6.97	7.14	7.27	7.3	7.42	7.35	7.05	6.34
12	7.2	7.36	7.52	7.58	7.76	7.73	7.51	7.09
14	7.3	7.48	7.7	7.81	8.06	8.1	7.87	7.51
16	7.36	7.54	7.83	8.03	8.25	8.46	8.27	7.85
20	7.4	7.6	7.98	8.38	8.57	8.9	9.06	8.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.57	145.7°	3.73
8	41.8°	4.26	150.2°	4.66
10	41.2°	4.78	151.1°	5.5
12	39.7°	5.05	156.5°	6.24
14	39.1°	5.19	167.6°	6.83
16	38.4°	5.27	177.2°	7.31
20	38.1°	5.32	178.1°	7.98

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