Tamara — ORC Rating | RegattaPages

GPH

575.5

OSN

563

LOA

12.99 m

Displacement

10100 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7907

Medium

1.0595

High

1.2284

Triple Offshore

Low

1.0336

Medium

1.3181

High

1.4758

Boat Specifications

Dimensions

Length overall: 12.99 m
Beam: 4.24 m
Draft: 2.21 m
Displacement: 10100 kg
Crew weight: 865 kg
Wetted surface: 37.06 m²

Sails

Mainsail: 49.58 m²
Genoa: 48.54 m²
Spinnaker: 137.46 m²
Asymmetric spinnaker: 137.62 m²

Design

Type: Sun OD 439
Builder: Jeanneau
Designer: BRIAND PHILIPPE
Year built: 2011

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.

6,44.2,5.31447,52,5.89,60,6.31,75,6.76,90,6.82,110,6.13,120,5.82,135,5.26,144.8,4.711527,150,4.44
8,43.5,6.286409,52,7,60,7.39,75,7.69,90,7.72,110,7.26,120,7.07,135,6.45,149.1,5.628945,150,5.58
10,42.4,6.852141,52,7.55,60,7.83,75,8.07,90,8.12,110,7.97,120,7.86,135,7.44,150,6.58,150.5,6.549047
12,40.9,7.064861,52,7.78,60,8.02,75,8.29,90,8.4,110,8.38,120,8.3,135,8,150,7.42,154.2,7.208558
14,39.3,7.146178,52,7.91,60,8.14,75,8.44,90,8.66,110,8.75,120,8.71,135,8.4,150,7.97,162.9,7.459774
16,38.6,7.216702,52,7.98,60,8.21,75,8.55,90,8.9,110,9.09,120,9.14,135,8.8,150,8.34,180,7.72
20,39.1,7.344922,52,8.05,60,8.29,75,8.73,90,9.21,110,9.67,120,9.94,135,9.72,150,9.12,180,8.48

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.89	6.31	6.76	6.82	6.13	5.82	5.26	4.44
8	7	7.39	7.69	7.72	7.26	7.07	6.45	5.58
10	7.55	7.83	8.07	8.12	7.97	7.86	7.44	6.58
12	7.78	8.02	8.29	8.4	8.38	8.3	8	7.42
14	7.91	8.14	8.44	8.66	8.75	8.71	8.4	7.97
16	7.98	8.21	8.55	8.9	9.09	9.14	8.8	8.34
20	8.05	8.29	8.73	9.21	9.67	9.94	9.72	9.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.81	144.8°	3.85
8	43.5°	4.56	149.1°	4.83
10	42.4°	5.06	150.5°	5.7
12	40.9°	5.34	154.2°	6.49
14	39.3°	5.53	162.9°	7.13
16	38.6°	5.64	180°	7.72
20	39.1°	5.7	180°	8.48

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