Jakobine — ORC Rating

GPH

645.6

OSN

632.3

LOA

9.14 m

Displacement

2956 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.709

Medium

0.9484

High

1.0734

Triple Offshore

Low

0.9292

Medium

1.1715

High

1.3024

Boat Specifications

Dimensions

Length overall: 9.14 m
Beam: 3.04 m
Draft: 1.84 m
Displacement: 2956 kg
Crew weight: 524 kg
Wetted surface: 19.28 m²

Sails

Mainsail: 28.18 m²
Genoa: 19.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 85.19 m²

Design

Type: J/92
Builder: J Composite
Designer: Rod Johnstone
Year built: 1994

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.

6,42.2,4.373623,52,4.99,60,5.51,75,6.08,90,6.24,110,5.8,120,5.57,135,4.97,144.6,4.477825,150,4.22
8,41.2,5.196601,52,5.96,60,6.37,75,6.71,90,6.8,110,6.66,120,6.57,135,6.12,147.9,5.382932,150,5.26
10,39.8,5.805149,52,6.4,60,6.66,75,6.98,90,7.15,110,7.12,120,7.05,135,6.77,148.7,6.237866,150,6.16
12,37.8,6.03679,52,6.66,60,6.81,75,7.14,90,7.47,110,7.53,120,7.54,135,7.2,150,6.68,151,6.631454
14,37.2,6.11402,52,6.76,60,6.95,75,7.26,90,7.69,110,7.96,120,8.04,135,7.71,150,7,177.2,6.267483
16,37.1,6.156092,52,6.81,60,7.02,75,7.38,90,7.84,110,8.35,120,8.47,135,8.26,150,7.33,179,6.711022
20,37.2,6.264674,52,6.89,60,7.07,75,7.53,90,8.07,110,8.8,120,9.3,135,9.81,150,8.37,178.9,7.391362

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.51	6.08	6.24	5.8	5.57	4.97	4.22
8	5.96	6.37	6.71	6.8	6.66	6.57	6.12	5.26
10	6.4	6.66	6.98	7.15	7.12	7.05	6.77	6.16
12	6.66	6.81	7.14	7.47	7.53	7.54	7.2	6.68
14	6.76	6.95	7.26	7.69	7.96	8.04	7.71	7
16	6.81	7.02	7.38	7.84	8.35	8.47	8.26	7.33
20	6.89	7.07	7.53	8.07	8.8	9.3	9.81	8.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.24	144.6°	3.65
8	41.2°	3.91	147.9°	4.56
10	39.8°	4.46	148.7°	5.33
12	37.8°	4.77	151°	5.8
14	37.2°	4.87	177.2°	6.26
16	37.1°	4.91	179°	6.71
20	37.2°	4.99	178.9°	7.39

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