Tarzan — ORC Rating | RegattaPages

GPH

669.2

OSN

646.3

LOA

9.61 m

Displacement

3858 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6014

Medium

0.8295

High

0.9606

Triple Offshore

Low

0.7739

Medium

1.0173

High

1.1442

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3858 kg
Crew weight: 582 kg
Wetted surface: 22.11 m²

Sails

Mainsail: 26.11 m²
Genoa: 28.36 m²
Spinnaker: 62.97 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7 LR
Builder: Beneteau
Designer: Finot
Year built: 1998
Stability index: 107.2

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.

6,43.5,4.466659,52,4.94,60,5.19,75,5.33,90,5.21,110,5.14,120,4.97,135,4.46,145.7,3.934157,150,3.75
8,41.2,5.249763,52,5.85,60,6.09,75,6.24,90,6.15,110,6.25,120,6.08,135,5.55,149.6,4.8463,150,4.83
10,39.4,5.771718,52,6.41,60,6.59,75,6.74,90,6.77,110,6.9,120,6.8,135,6.41,150,5.75,152.3,5.635911
12,38.2,6.069807,52,6.72,60,6.89,75,7.04,90,7.11,110,7.3,120,7.24,135,6.95,150,6.49,157.7,6.160765
14,37.8,6.188659,52,6.87,60,7.06,75,7.26,90,7.33,110,7.65,120,7.62,135,7.35,150,6.97,169.4,6.409374
16,37.6,6.247715,52,6.94,60,7.14,75,7.44,90,7.58,110,7.95,120,7.99,135,7.74,150,7.34,177.2,6.808128
20,37.6,6.272958,52,7,60,7.22,75,7.61,90,7.96,110,8.35,120,8.69,135,8.58,150,8.08,179,7.511144

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.19	5.33	5.21	5.14	4.97	4.46	3.75
8	5.85	6.09	6.24	6.15	6.25	6.08	5.55	4.83
10	6.41	6.59	6.74	6.77	6.9	6.8	6.41	5.75
12	6.72	6.89	7.04	7.11	7.3	7.24	6.95	6.49
14	6.87	7.06	7.26	7.33	7.65	7.62	7.35	6.97
16	6.94	7.14	7.44	7.58	7.95	7.99	7.74	7.34
20	7	7.22	7.61	7.96	8.35	8.69	8.58	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.24	145.7°	3.25
8	41.2°	3.95	149.6°	4.18
10	39.4°	4.46	152.3°	4.99
12	38.2°	4.77	157.7°	5.7
14	37.8°	4.89	169.4°	6.3
16	37.6°	4.95	177.2°	6.8
20	37.6°	4.97	179°	7.51

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