Jack Rabbit — ORC Rating

GPH

585

OSN

567.8

LOA

11 m

Displacement

5393 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7077

Medium

0.9421

High

1.0587

Triple Offshore

Low

0.9077

Medium

1.153

High

1.2782

Boat Specifications

Dimensions

Length overall: 11 m
Beam: 3.6 m
Draft: 2.26 m
Displacement: 5393 kg
Crew weight: 750 kg
Wetted surface: 27.71 m²

Sails

Mainsail: 40.57 m²
Genoa: 34.28 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 131.1 m²

Design

Type: J-112
Builder: J-boats
Designer: Johnstone
Year built: 2015

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.

6,42.4,5.024,52,5.62,60,5.91,75,6.08,90,6.24,110,6.17,120,6.03,135,5.41,143.4,4.945084,150,4.58
8,40.3,5.926561,52,6.63,60,6.85,75,6.99,90,7.21,110,7.27,120,7.18,135,6.7,147.1,5.966986,150,5.78
10,38.4,6.482126,52,7.18,60,7.34,75,7.47,90,7.69,110,7.81,120,7.78,135,7.48,149.2,6.833846,150,6.78
12,37,6.711447,52,7.44,60,7.61,75,7.77,90,8.02,110,8.21,120,8.26,135,7.99,150,7.43,150.6,7.391986
14,36.5,6.842014,52,7.57,60,7.77,75,8.01,90,8.25,110,8.51,120,8.71,135,8.51,150,7.81,150.3,7.782356
16,36.2,6.914838,52,7.65,60,7.86,75,8.18,90,8.42,110,8.9,120,9.13,135,9.05,150,8.15,173.9,7.251056
20,36.1,7.005038,52,7.75,60,7.98,75,8.39,90,8.78,110,9.6,120,9.88,135,10.51,150,8.9,175.7,8.002526
24,37,7.049524,52,7.77,60,8.01,75,8.5,90,9.05,110,10.18,120,11.16,135,12.67,141.1,12.643863,150,11.37

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	5.91	6.08	6.24	6.17	6.03	5.41	4.58
8	6.63	6.85	6.99	7.21	7.27	7.18	6.7	5.78
10	7.18	7.34	7.47	7.69	7.81	7.78	7.48	6.78
12	7.44	7.61	7.77	8.02	8.21	8.26	7.99	7.43
14	7.57	7.77	8.01	8.25	8.51	8.71	8.51	7.81
16	7.65	7.86	8.18	8.42	8.9	9.13	9.05	8.15
20	7.75	7.98	8.39	8.78	9.6	9.88	10.51	8.9
24	7.77	8.01	8.5	9.05	10.18	11.16	12.67	11.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.71	143.4°	3.97
8	40.3°	4.52	147.1°	5.01
10	38.4°	5.08	149.2°	5.87
12	37°	5.36	150.6°	6.44
14	36.5°	5.5	150.3°	6.76
16	36.2°	5.58	173.9°	7.21
20	36.1°	5.66	175.7°	7.98
24	37°	5.63	141.1°	9.84

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