AILE BLANCHE — ORC Rating

GPH

671.7

OSN

650.1

LOA

9.61 m

Displacement

4083 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.604

Medium

0.8218

High

0.9474

Triple Offshore

Low

0.7753

Medium

1.0117

High

1.1324

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.96 m
Displacement: 4083 kg
Crew weight: 600 kg
Wetted surface: 22.5 m²

Sails

Mainsail: 26.06 m²
Genoa: 28.33 m²
Spinnaker: 57.83 m²
Asymmetric spinnaker: 58.28 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998
Stability index: 101.2

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.

6,43.2,4.430918,52,4.91,60,5.15,75,5.29,90,5.17,110,5.17,120,5,135,4.49,145.1,4.035838,150,3.82
8,40.8,5.191579,52,5.81,60,6.04,75,6.19,90,6.19,110,6.26,120,6.09,135,5.6,147.1,5.026084,150,4.87
10,39.4,5.719953,52,6.37,60,6.55,75,6.7,90,6.81,110,6.9,120,6.8,135,6.44,147.5,5.881018,150,5.73
12,38.2,5.993458,52,6.67,60,6.84,75,7,90,7.15,110,7.31,120,7.24,135,6.96,150,6.39,158.6,6.036158
14,37.8,6.100069,52,6.8,60,6.99,75,7.21,90,7.33,110,7.66,120,7.63,135,7.35,150,6.89,170,6.326108
16,37.6,6.146742,52,6.86,60,7.06,75,7.35,90,7.51,110,7.96,120,8.01,135,7.74,150,7.25,177.2,6.738044
20,38.1,6.213982,52,6.91,60,7.12,75,7.49,90,7.84,110,8.39,120,8.73,135,8.55,150,7.94,179,7.42113

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.91	5.15	5.29	5.17	5.17	5	4.49	3.82
8	5.81	6.04	6.19	6.19	6.26	6.09	5.6	4.87
10	6.37	6.55	6.7	6.81	6.9	6.8	6.44	5.73
12	6.67	6.84	7	7.15	7.31	7.24	6.96	6.39
14	6.8	6.99	7.21	7.33	7.66	7.63	7.35	6.89
16	6.86	7.06	7.35	7.51	7.96	8.01	7.74	7.25
20	6.91	7.12	7.49	7.84	8.39	8.73	8.55	7.94

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.23	145.1°	3.31
8	40.8°	3.93	147.1°	4.22
10	39.4°	4.42	147.5°	4.96
12	38.2°	4.71	158.6°	5.62
14	37.8°	4.82	170°	6.23
16	37.6°	4.87	177.2°	6.73
20	38.1°	4.89	179°	7.42

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