AUNT JEAN — ORC Rating

GPH

616.7

OSN

598.6

LOA

10.82 m

Displacement

4643 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6675

Medium

0.9018

High

1.0331

Triple Offshore

Low

0.8575

Medium

1.0943

High

1.2205

Boat Specifications

Dimensions

Length overall: 10.82 m
Beam: 3.65 m
Draft: 2.12 m
Displacement: 4643 kg
Crew weight: 748 kg
Wetted surface: 25.39 m²

Sails

Mainsail: 32.97 m²
Genoa: 50.67 m²
Spinnaker: 94.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-35
Builder: J-Boats
Designer: Johnstone
Year built: 1983
Stability index: 109.1

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.

6,42.4,4.929208,52,5.51,60,5.82,75,6.05,90,5.95,110,5.58,120,5.43,135,4.93,145.1,4.413817,150,4.18
8,41.4,5.839135,52,6.49,60,6.7,75,6.84,90,6.82,110,6.72,120,6.59,135,6.08,149.6,5.286873,150,5.27
10,39.3,6.370824,52,6.96,60,7.09,75,7.2,90,7.21,110,7.26,120,7.19,135,6.89,150,6.24,151.1,6.168154
12,37.6,6.550635,52,7.15,60,7.31,75,7.47,90,7.51,110,7.66,120,7.61,135,7.33,150,6.93,157.7,6.614717
14,36.6,6.626662,52,7.25,60,7.43,75,7.7,90,7.81,110,8.05,120,8.06,135,7.75,150,7.34,171.2,6.779809
16,35.8,6.657922,52,7.31,60,7.52,75,7.86,90,8.09,110,8.35,120,8.49,135,8.22,150,7.73,178.1,7.153933
20,35.6,6.702736,52,7.37,60,7.6,75,8.04,90,8.48,110,8.74,120,9.17,135,9.22,150,8.6,177.2,7.889419

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.51	5.82	6.05	5.95	5.58	5.43	4.93	4.18
8	6.49	6.7	6.84	6.82	6.72	6.59	6.08	5.27
10	6.96	7.09	7.2	7.21	7.26	7.19	6.89	6.24
12	7.15	7.31	7.47	7.51	7.66	7.61	7.33	6.93
14	7.25	7.43	7.7	7.81	8.05	8.06	7.75	7.34
16	7.31	7.52	7.86	8.09	8.35	8.49	8.22	7.73
20	7.37	7.6	8.04	8.48	8.74	9.17	9.22	8.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.64	145.1°	3.62
8	41.4°	4.38	149.6°	4.56
10	39.3°	4.93	151.1°	5.4
12	37.6°	5.19	157.7°	6.12
14	36.6°	5.32	171.2°	6.7
16	35.8°	5.4	178.1°	7.15
20	35.6°	5.45	177.2°	7.88

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