Jack in the Box — ORC Rating

GPH

617

OSN

599.1

LOA

10.757 m

Displacement

4956 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6623

Medium

0.891

High

1.0078

Triple Offshore

Low

0.8533

Medium

1.0969

High

1.2196

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 4956 kg
Crew weight: 635 kg
Wetted surface: 25.95 m²

Sails

Mainsail: 38.27 m²
Genoa: 29.28 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.5 m²

Design

Type: J-109
Builder: J Composite
Designer: Johnstone
Year built: 2001
Stability index: 119.3

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.

6,43,4.648913,52,5.19,60,5.49,75,5.72,90,5.81,110,5.9,120,5.74,135,5.18,144.8,4.674813,150,4.41
8,41.4,5.505851,52,6.19,60,6.48,75,6.68,90,6.9,110,7.01,120,6.9,135,6.41,147.8,5.672464,150,5.54
10,40.5,6.207211,52,6.85,60,7.03,75,7.17,90,7.35,110,7.53,120,7.47,135,7.2,148.8,6.605373,150,6.52
12,38.8,6.467027,52,7.14,60,7.3,75,7.47,90,7.54,110,7.95,120,7.95,135,7.66,150,7.14,150.4,7.119075
14,38.4,6.596967,52,7.25,60,7.45,75,7.7,90,7.79,110,8.26,120,8.44,135,8.16,150,7.49,152,7.35038
16,38.2,6.642431,52,7.31,60,7.52,75,7.88,90,8.09,110,8.5,120,8.88,135,8.69,150,7.8,174.5,7.042422
20,37.6,6.765203,52,7.41,60,7.6,75,8.04,90,8.54,110,8.95,120,9.49,135,10.03,150,8.55,175.7,7.731764

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.19	5.49	5.72	5.81	5.9	5.74	5.18	4.41
8	6.19	6.48	6.68	6.9	7.01	6.9	6.41	5.54
10	6.85	7.03	7.17	7.35	7.53	7.47	7.2	6.52
12	7.14	7.3	7.47	7.54	7.95	7.95	7.66	7.14
14	7.25	7.45	7.7	7.79	8.26	8.44	8.16	7.49
16	7.31	7.52	7.88	8.09	8.5	8.88	8.69	7.8
20	7.41	7.6	8.04	8.54	8.95	9.49	10.03	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.4	144.8°	3.82
8	41.4°	4.13	147.8°	4.8
10	40.5°	4.72	148.8°	5.65
12	38.8°	5.04	150.4°	6.19
14	38.4°	5.17	152°	6.49
16	38.2°	5.22	174.5°	7.01
20	37.6°	5.36	175.7°	7.71

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