Irene — ORC Rating | RegattaPages

GPH

658.4

OSN

638.2

LOA

9.85 m

Displacement

3764 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6198

Medium

0.84

High

0.96

Triple Offshore

Low

0.797

Medium

1.0294

High

1.1465

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3764 kg
Crew weight: 500 kg
Wetted surface: 21.8 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: 109.3

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.

6,43,4.648913,52,5.16,60,5.42,75,5.57,90,5.44,110,5.23,120,5.06,135,4.53,145.1,4.035838,150,3.82
8,40.6,5.413085,52,6.04,60,6.26,75,6.4,90,6.35,110,6.32,120,6.17,135,5.64,149.6,4.927458,150,4.91
10,39,5.880491,52,6.54,60,6.71,75,6.85,90,6.85,110,6.95,120,6.86,135,6.48,150,5.83,152.9,5.684034
12,38.2,6.082532,52,6.77,60,6.95,75,7.12,90,7.17,110,7.35,120,7.3,135,7.01,150,6.55,158.2,6.214419
14,37.8,6.163348,52,6.87,60,7.06,75,7.32,90,7.44,110,7.7,120,7.69,135,7.42,150,7.03,170,6.468268
16,37.8,6.226626,52,6.93,60,7.13,75,7.45,90,7.67,110,7.99,120,8.07,135,7.83,150,7.41,177.2,6.8682
20,38.2,6.247957,52,6.96,60,7.19,75,7.59,90,7.99,110,8.36,120,8.78,135,8.73,150,8.19,178.1,7.594175

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.42	5.57	5.44	5.23	5.06	4.53	3.82
8	6.04	6.26	6.4	6.35	6.32	6.17	5.64	4.91
10	6.54	6.71	6.85	6.85	6.95	6.86	6.48	5.83
12	6.77	6.95	7.12	7.17	7.35	7.3	7.01	6.55
14	6.87	7.06	7.32	7.44	7.7	7.69	7.42	7.03
16	6.93	7.13	7.45	7.67	7.99	8.07	7.83	7.41
20	6.96	7.19	7.59	7.99	8.36	8.78	8.73	8.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.4	145.1°	3.31
8	40.6°	4.11	149.6°	4.25
10	39°	4.57	152.9°	5.06
12	38.2°	4.78	158.2°	5.77
14	37.8°	4.87	170°	6.37
16	37.8°	4.92	177.2°	6.86
20	38.2°	4.91	178.1°	7.59

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