Irene — ORC Rating | RegattaPages

GPH

660.8

OSN

642.2

LOA

9.85 m

Displacement

3764 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.618

Medium

0.8324

High

0.9426

Triple Offshore

Low

0.7971

Medium

1.0251

High

1.1331

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3764 kg
Crew weight: 300 kg
Wetted surface: 21.32 m²

Sails

Mainsail: 26.81 m²
Genoa: 32.15 m²
Spinnaker: 63.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 HR
Designer: Groupe Finot
Year built: 1998
Stability index: 111.4

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.

6,43,4.539527,52,5.06,60,5.33,75,5.55,90,5.49,110,5.29,120,5.13,135,4.61,145.1,4.108995,150,3.89
8,41.4,5.359206,52,6,60,6.26,75,6.44,90,6.42,110,6.4,120,6.26,135,5.72,149.8,4.975269,150,4.97
10,40.6,5.887224,52,6.52,60,6.72,75,6.87,90,6.9,110,6.99,120,6.92,135,6.58,150,5.9,152,5.798759
12,39.9,6.048241,52,6.69,60,6.9,75,7.11,90,7.2,110,7.38,120,7.33,135,7.07,150,6.64,157.7,6.322891
14,39.4,6.095244,52,6.76,60,6.97,75,7.26,90,7.46,110,7.72,120,7.77,135,7.48,150,7.08,170,6.549502
16,39.6,6.125787,52,6.79,60,7,75,7.34,90,7.7,110,7.94,120,8.2,135,7.95,150,7.47,178.4,6.922699
20,40,6.174576,52,6.83,60,7.04,75,7.4,90,7.94,110,8.29,120,8.77,135,9.03,150,8.39,177.2,7.679168

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.33	5.55	5.49	5.29	5.13	4.61	3.89
8	6	6.26	6.44	6.42	6.4	6.26	5.72	4.97
10	6.52	6.72	6.87	6.9	6.99	6.92	6.58	5.9
12	6.69	6.9	7.11	7.2	7.38	7.33	7.07	6.64
14	6.76	6.97	7.26	7.46	7.72	7.77	7.48	7.08
16	6.79	7	7.34	7.7	7.94	8.2	7.95	7.47
20	6.83	7.04	7.4	7.94	8.29	8.77	9.03	8.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.32	145.1°	3.37
8	41.4°	4.02	149.8°	4.3
10	40.6°	4.47	152°	5.12
12	39.9°	4.64	157.7°	5.85
14	39.4°	4.71	170°	6.45
16	39.6°	4.72	178.4°	6.92
20	40°	4.73	177.2°	7.67

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