Jack in the Box — ORC Rating

GPH

602.9

OSN

586.5

LOA

10.757 m

Displacement

4957 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6972

Medium

0.9116

High

1.0176

Triple Offshore

Low

0.8893

Medium

1.1149

High

1.2254

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 4957 kg
Crew weight: 635 kg
Wetted surface: 25.96 m²

Sails

Mainsail: 38.27 m²
Genoa: 40.75 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.5 m²

Design

Type: J-109
Builder: J Composite
Designer: Johnstone
Year built: 2001
Stability index: 119.5

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.

6,42.4,5.105251,52,5.69,60,5.95,75,6.1,90,5.95,110,5.89,120,5.74,135,5.17,144.2,4.685205,150,4.39
8,40.5,5.970495,52,6.62,60,6.8,75,6.91,90,6.85,110,6.98,120,6.87,135,6.39,147.8,5.684281,150,5.55
10,38.4,6.380046,52,7.05,60,7.21,75,7.32,90,7.33,110,7.53,120,7.48,135,7.17,149.2,6.554439,150,6.5
12,37.5,6.541852,52,7.23,60,7.41,75,7.59,90,7.63,110,7.92,120,7.93,135,7.67,150,7.12,150.1,7.117341
14,37.2,6.641307,52,7.33,60,7.51,75,7.77,90,7.9,110,8.23,120,8.36,135,8.15,150,7.49,150.9,7.427565
16,37,6.698926,52,7.38,60,7.58,75,7.89,90,8.13,110,8.46,120,8.76,135,8.63,150,7.82,174.1,7.037278
20,37.2,6.754297,52,7.44,60,7.66,75,8.03,90,8.43,110,8.88,120,9.44,135,9.86,150,8.52,176.2,7.747032

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	5.95	6.1	5.95	5.89	5.74	5.17	4.39
8	6.62	6.8	6.91	6.85	6.98	6.87	6.39	5.55
10	7.05	7.21	7.32	7.33	7.53	7.48	7.17	6.5
12	7.23	7.41	7.59	7.63	7.92	7.93	7.67	7.12
14	7.33	7.51	7.77	7.9	8.23	8.36	8.15	7.49
16	7.38	7.58	7.89	8.13	8.46	8.76	8.63	7.82
20	7.44	7.66	8.03	8.43	8.88	9.44	9.86	8.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.77	144.2°	3.8
8	40.5°	4.54	147.8°	4.81
10	38.4°	5	149.2°	5.63
12	37.5°	5.19	150.1°	6.17
14	37.2°	5.29	150.9°	6.49
16	37°	5.35	174.1°	7
20	37.2°	5.38	176.2°	7.73

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