Tarzan — ORC Rating | RegattaPages

GPH

668.7

OSN

645.9

LOA

9.61 m

Displacement

3775 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6018

Medium

0.8299

High

0.9596

Triple Offshore

Low

0.7747

Medium

1.0181

High

1.1439

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3775 kg
Crew weight: 578 kg
Wetted surface: 22.09 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

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.

6,43.4,4.473043,52,4.95,60,5.2,75,5.34,90,5.22,110,5.15,120,4.98,135,4.46,145.1,3.962681,150,3.75
8,41.2,5.263054,52,5.86,60,6.09,75,6.25,90,6.16,110,6.26,120,6.09,135,5.56,149.2,4.866351,150,4.82
10,39.5,5.780013,52,6.42,60,6.6,75,6.74,90,6.78,110,6.9,120,6.81,135,6.42,150,5.75,151.8,5.662068
12,38.2,6.069807,52,6.73,60,6.89,75,7.05,90,7.11,110,7.31,120,7.24,135,6.95,150,6.49,157.4,6.174108
14,37.8,6.188659,52,6.87,60,7.06,75,7.27,90,7.34,110,7.66,120,7.63,135,7.35,150,6.97,169.1,6.405565
16,37.6,6.247715,52,6.94,60,7.13,75,7.44,90,7.59,110,7.96,120,8.01,135,7.75,150,7.34,177.2,6.798116
20,37.9,6.285769,52,6.98,60,7.21,75,7.6,90,7.96,110,8.34,120,8.71,135,8.59,150,8.08,178.1,7.504126
24,39,6.266519,52,6.97,60,7.21,75,7.68,90,8.16,110,8.63,120,9.22,135,9.8,150,8.96,178.1,8.204511

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.2	5.34	5.22	5.15	4.98	4.46	3.75
8	5.86	6.09	6.25	6.16	6.26	6.09	5.56	4.82
10	6.42	6.6	6.74	6.78	6.9	6.81	6.42	5.75
12	6.73	6.89	7.05	7.11	7.31	7.24	6.95	6.49
14	6.87	7.06	7.27	7.34	7.66	7.63	7.35	6.97
16	6.94	7.13	7.44	7.59	7.96	8.01	7.75	7.34
20	6.98	7.21	7.6	7.96	8.34	8.71	8.59	8.08
24	6.97	7.21	7.68	8.16	8.63	9.22	9.8	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.25	145.1°	3.25
8	41.2°	3.96	149.2°	4.18
10	39.5°	4.46	151.8°	4.99
12	38.2°	4.77	157.4°	5.7
14	37.8°	4.89	169.1°	6.29
16	37.6°	4.95	177.2°	6.79
20	37.9°	4.96	178.1°	7.5
24	39°	4.87	178.1°	8.2

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