Tarantella II — ORC Rating

GPH

669.2

OSN

649.7

LOA

11.079 m

Displacement

6926 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6088

Medium

0.8232

High

0.9582

Triple Offshore

Low

0.7805

Medium

1.0122

High

1.137

Boat Specifications

Dimensions

Length overall: 11.079 m
Beam: 3.27 m
Draft: 1.87 m
Displacement: 6926 kg
Crew weight: 500 kg
Wetted surface: 27.12 m²

Sails

Mainsail: 26.69 m²
Genoa: 52.87 m²
Spinnaker: 99.03 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 37 norm
Builder: Nautor Oy
Designer: Sparkman&Stephens
Year built: 1970

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.

6,42.8,4.415794,52,4.9,60,5.16,75,5.36,90,5.31,110,5.14,120,5.02,135,4.61,147,4.077882,150,3.95
8,41.2,5.103567,52,5.76,60,6.05,75,6.26,90,6.24,110,6.24,120,6.12,135,5.63,150,4.94,151,4.893555
10,42,5.82659,52,6.42,60,6.61,75,6.75,90,6.76,110,6.88,120,6.82,135,6.51,150,5.82,151,5.762505
12,41.2,6.193391,52,6.73,60,6.89,75,7.02,90,7.06,110,7.23,120,7.19,135,6.98,150,6.57,156,6.294159
14,40.1,6.314374,52,6.89,60,7.06,75,7.22,90,7.27,110,7.54,120,7.52,135,7.31,150,6.98,174,6.384978
16,39.4,6.379948,52,6.97,60,7.15,75,7.38,90,7.48,110,7.77,120,7.85,135,7.64,150,7.28,180,6.83
20,39.4,6.457594,52,7.03,60,7.23,75,7.57,90,7.84,110,8.06,120,8.34,135,8.29,150,7.89,180,7.42

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.16	5.36	5.31	5.14	5.02	4.61	3.95
8	5.76	6.05	6.26	6.24	6.24	6.12	5.63	4.94
10	6.42	6.61	6.75	6.76	6.88	6.82	6.51	5.82
12	6.73	6.89	7.02	7.06	7.23	7.19	6.98	6.57
14	6.89	7.06	7.22	7.27	7.54	7.52	7.31	6.98
16	6.97	7.15	7.38	7.48	7.77	7.85	7.64	7.28
20	7.03	7.23	7.57	7.84	8.06	8.34	8.29	7.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.24	147°	3.42
8	41.2°	3.84	151°	4.28
10	42°	4.33	151°	5.04
12	41.2°	4.66	156°	5.75
14	40.1°	4.83	174°	6.35
16	39.4°	4.93	180°	6.83
20	39.4°	4.99	180°	7.42

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