EIBOL — ORC Rating | RegattaPages

GPH

676.1

OSN

653.2

LOA

9.61 m

Displacement

3965 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5885

Medium

0.8181

High

0.9564

Triple Offshore

Low

0.7609

Medium

1.0086

High

1.1421

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.98 m
Displacement: 3965 kg
Crew weight: 595 kg
Wetted surface: 22.42 m²

Sails

Mainsail: 25.67 m²
Genoa: 28.54 m²
Spinnaker: 61.33 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT
Year built: 1998
Stability index: 108.3

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.

6,43.3,4.273312,52,4.78,60,5.05,75,5.25,90,5.17,110,5.12,120,4.96,135,4.46,146,3.932271,150,3.77
8,42.3,5.110656,52,5.69,60,5.99,75,6.21,90,6.16,110,6.25,120,6.07,135,5.52,150,4.82,150.5,4.791145
10,41.2,5.701641,52,6.35,60,6.56,75,6.72,90,6.82,110,6.89,120,6.8,135,6.42,150,5.72,152,5.617547
12,39.6,6.086852,52,6.7,60,6.86,75,7.01,90,7.15,110,7.27,120,7.19,135,6.93,150,6.49,156.8,6.190601
14,38.8,6.248894,52,6.87,60,7.04,75,7.23,90,7.33,110,7.65,120,7.57,135,7.29,150,6.95,168.2,6.43601
16,38.2,6.286132,52,6.94,60,7.13,75,7.42,90,7.56,110,8.01,120,8,135,7.69,150,7.28,177.2,6.798116
20,38.7,6.317027,52,6.97,60,7.19,75,7.62,90,8.04,110,8.47,120,8.85,135,8.6,150,8.05,179,7.451135

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.05	5.25	5.17	5.12	4.96	4.46	3.77
8	5.69	5.99	6.21	6.16	6.25	6.07	5.52	4.82
10	6.35	6.56	6.72	6.82	6.89	6.8	6.42	5.72
12	6.7	6.86	7.01	7.15	7.27	7.19	6.93	6.49
14	6.87	7.04	7.23	7.33	7.65	7.57	7.29	6.95
16	6.94	7.13	7.42	7.56	8.01	8	7.69	7.28
20	6.97	7.19	7.62	8.04	8.47	8.85	8.6	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	3.11	146°	3.26
8	42.3°	3.78	150.5°	4.17
10	41.2°	4.29	152°	4.96
12	39.6°	4.69	156.8°	5.69
14	38.8°	4.87	168.2°	6.3
16	38.2°	4.94	177.2°	6.79
20	38.7°	4.93	179°	7.45

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