Tarzan — ORC Rating | RegattaPages

GPH

666.9

OSN

645.2

LOA

9.85 m

Displacement

3870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6001

Medium

0.8304

High

0.9612

Triple Offshore

Low

0.776

Medium

1.0207

High

1.1478

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3870 kg
Crew weight: 586 kg
Wetted surface: 22.15 m²

Sails

Mainsail: 26.37 m²
Genoa: 30.79 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.

6,43,4.375448,52,4.91,60,5.19,75,5.4,90,5.32,110,5.18,120,5.01,135,4.51,146,3.980519,150,3.81
8,41.4,5.172567,52,5.84,60,6.12,75,6.33,90,6.3,110,6.32,120,6.14,135,5.59,150,4.86,150.2,4.851541
10,40.8,5.838876,52,6.46,60,6.65,75,6.8,90,6.84,110,6.93,120,6.84,135,6.48,150,5.78,152,5.674176
12,39.3,6.164063,52,6.76,60,6.92,75,7.07,90,7.16,110,7.31,120,7.24,135,6.98,150,6.55,157.4,6.228267
14,38.2,6.235232,52,6.88,60,7.07,75,7.29,90,7.38,110,7.7,120,7.64,135,7.35,150,6.99,169.4,6.460242
16,38.1,6.302935,52,6.94,60,7.14,75,7.46,90,7.65,110,8.06,120,8.07,135,7.77,150,7.34,177.2,6.838164
20,38.2,6.286132,52,6.96,60,7.18,75,7.6,90,8.08,110,8.47,120,8.91,135,8.71,150,8.14,178.1,7.514131

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.91	5.19	5.4	5.32	5.18	5.01	4.51	3.81
8	5.84	6.12	6.33	6.3	6.32	6.14	5.59	4.86
10	6.46	6.65	6.8	6.84	6.93	6.84	6.48	5.78
12	6.76	6.92	7.07	7.16	7.31	7.24	6.98	6.55
14	6.88	7.07	7.29	7.38	7.7	7.64	7.35	6.99
16	6.94	7.14	7.46	7.65	8.06	8.07	7.77	7.34
20	6.96	7.18	7.6	8.08	8.47	8.91	8.71	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.2	146°	3.3
8	41.4°	3.88	150.2°	4.21
10	40.8°	4.42	152°	5.01
12	39.3°	4.77	157.4°	5.75
14	38.2°	4.9	169.4°	6.35
16	38.1°	4.96	177.2°	6.83
20	38.2°	4.94	178.1°	7.51

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