Hårek — ORC Rating | RegattaPages

GPH

679.3

OSN

658.2

LOA

9.61 m

Displacement

3870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5914

Medium

0.8111

High

0.9363

Triple Offshore

Low

0.7628

Medium

1.0021

High

1.124

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3870 kg
Crew weight: 200 kg
Wetted surface: 22.22 m²

Sails

Mainsail: 26.13 m²
Genoa: 20.73 m²
Spinnaker: 60.58 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Builder: Beneteau
Designer: Groupe 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.

6,42.8,4.224988,52,4.72,60,4.98,75,5.2,90,5.15,110,5.19,120,5.04,135,4.55,146,4.004644,150,3.84
8,41.2,4.983952,52,5.6,60,5.88,75,6.11,90,6.17,110,6.29,120,6.14,135,5.61,150,4.872836
10,40.5,5.575969,52,6.27,60,6.49,75,6.67,90,6.8,110,6.91,120,6.83,135,6.47,150,5.78,152,5.674176
12,40.1,5.97447,52,6.61,60,6.79,75,6.96,90,7.06,110,7.27,120,7.22,135,6.97,150,6.53,157,6.224845
14,39.8,6.091501,52,6.74,60,6.94,75,7.16,90,7.25,110,7.62,120,7.59,135,7.33,150,6.97,180,6.35
16,39.8,6.143565,52,6.79,60,7,75,7.31,90,7.48,110,7.88,120,8,135,7.73,150,7.31,180,6.84
20,39.8,6.169597,52,6.81,60,7.01,75,7.42,90,7.88,110,8.24,120,8.64,135,8.64,150,8.09,180,7.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.98	5.2	5.15	5.19	5.04	4.55	3.84
8	5.6	5.88	6.11	6.17	6.29	6.14	5.61	4.88
10	6.27	6.49	6.67	6.8	6.91	6.83	6.47	5.78
12	6.61	6.79	6.96	7.06	7.27	7.22	6.97	6.53
14	6.74	6.94	7.16	7.25	7.62	7.59	7.33	6.97
16	6.79	7	7.31	7.48	7.88	8	7.73	7.31
20	6.81	7.01	7.42	7.88	8.24	8.64	8.64	8.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.1	146°	3.32
8	41.2°	3.75	150°	4.22
10	40.5°	4.24	152°	5.01
12	40.1°	4.57	157°	5.73
14	39.8°	4.68	180°	6.35
16	39.8°	4.72	180°	6.84
20	39.8°	4.74	180°	7.52

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