Jakobine — ORC Rating

GPH

657.4

OSN

641.5

LOA

9.14 m

Displacement

2956 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6303

Medium

0.8287

High

0.9227

Triple Offshore

Low

0.8126

Medium

1.0241

High

1.1308

Boat Specifications

Dimensions

Length overall: 9.14 m
Beam: 3.04 m
Draft: 1.84 m
Displacement: 2956 kg
Crew weight: 270 kg
Wetted surface: 18.5 m²

Sails

Mainsail: 27.83 m²
Genoa: 19.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 83.99 m²

Design

Type: J/92
Builder: J Composite
Designer: Rod Johnstone
Year built: 1994
Stability index: 107

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.

6,43,4.361775,52,4.87,60,5.15,75,5.37,90,5.7,110,5.71,120,5.56,135,5.01,144.8,4.515723,150,4.26
8,41.4,5.172567,52,5.81,60,6.06,75,6.29,90,6.58,110,6.65,120,6.57,135,6.18,147.8,5.471564,150,5.35
10,40.6,5.729177,52,6.34,60,6.53,75,6.68,90,6.94,110,7.08,120,7.08,135,6.83,149.2,6.298315,150,6.25
12,39.6,5.892176,52,6.53,60,6.73,75,6.94,90,7.15,110,7.49,120,7.57,135,7.32,150,6.78,150.9,6.729443
14,39.4,5.952893,52,6.6,60,6.81,75,7.12,90,7.33,110,7.87,120,7.99,135,7.88,150,7.11,169.4,6.327985
16,39.4,5.978775,52,6.63,60,6.86,75,7.25,90,7.56,110,8.19,120,8.47,135,8.5,150,7.48,175.7,6.698856
20,40.2,6.12729,52,6.73,60,6.96,75,7.28,90,7.91,110,8.67,120,9.36,135,10.05,141.2,9.751867,150,8.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.15	5.37	5.7	5.71	5.56	5.01	4.26
8	5.81	6.06	6.29	6.58	6.65	6.57	6.18	5.35
10	6.34	6.53	6.68	6.94	7.08	7.08	6.83	6.25
12	6.53	6.73	6.94	7.15	7.49	7.57	7.32	6.78
14	6.6	6.81	7.12	7.33	7.87	7.99	7.88	7.11
16	6.63	6.86	7.25	7.56	8.19	8.47	8.5	7.48
20	6.73	6.96	7.28	7.91	8.67	9.36	10.05	8.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.19	144.8°	3.69
8	41.4°	3.88	147.8°	4.63
10	40.6°	4.35	149.2°	5.41
12	39.6°	4.54	150.9°	5.88
14	39.4°	4.6	169.4°	6.22
16	39.4°	4.62	175.7°	6.68
20	40.2°	4.68	141.2°	7.6

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