WHISKEY JACK — ORC Rating

GPH

617.3

OSN

599.4

LOA

10.757 m

Displacement

5132 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6596

Medium

0.8913

High

1.0113

Triple Offshore

Low

0.8514

Medium

1.0968

High

1.2203

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.14 m
Displacement: 5132 kg
Crew weight: 680 kg
Wetted surface: 26.36 m²

Sails

Mainsail: 38.46 m²
Genoa: 31.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 115.5 m²

Design

Type: J-109
Builder: J-COMPOSITE
Designer: JOHNSTONE
Year built: 2001
Stability index: 117.9

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.

6,43,4.621567,52,5.18,60,5.49,75,5.72,90,5.81,110,5.92,120,5.77,135,5.17,144.2,4.697534,150,4.4
8,41.4,5.479189,52,6.17,60,6.47,75,6.68,90,6.9,110,7.02,120,6.92,135,6.43,147.8,5.648828,150,5.51
10,40.6,6.190146,52,6.84,60,7.02,75,7.17,90,7.35,110,7.54,120,7.48,135,7.21,148.2,6.636132,150,6.51
12,38.8,6.49269,52,7.14,60,7.3,75,7.46,90,7.53,110,7.94,120,7.94,135,7.66,150,7.15,150.5,7.123524
14,38.2,6.616981,52,7.26,60,7.45,75,7.68,90,7.77,110,8.23,120,8.42,135,8.15,150,7.48,152.9,7.290392
16,37.9,6.665956,52,7.32,60,7.53,75,7.86,90,8.06,110,8.47,120,8.84,135,8.67,150,7.78,174.5,7.032376
20,37.2,6.779406,52,7.41,60,7.6,75,8.03,90,8.5,110,8.91,120,9.42,135,9.94,150,8.51,176.6,7.713577

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.49	5.72	5.81	5.92	5.77	5.17	4.4
8	6.17	6.47	6.68	6.9	7.02	6.92	6.43	5.51
10	6.84	7.02	7.17	7.35	7.54	7.48	7.21	6.51
12	7.14	7.3	7.46	7.53	7.94	7.94	7.66	7.15
14	7.26	7.45	7.68	7.77	8.23	8.42	8.15	7.48
16	7.32	7.53	7.86	8.06	8.47	8.84	8.67	7.78
20	7.41	7.6	8.03	8.5	8.91	9.42	9.94	8.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.2°	3.81
8	41.4°	4.11	147.8°	4.78
10	40.6°	4.7	148.2°	5.64
12	38.8°	5.06	150.5°	6.2
14	38.2°	5.2	152.9°	6.49
16	37.9°	5.26	174.5°	7
20	37.2°	5.4	176.6°	7.7

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