LEADING EDGE — ORC Rating

GPH

574.8

OSN

558.1

LOA

12.19 m

Displacement

7593 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7179

Medium

0.9583

High

1.075

Triple Offshore

Low

0.9215

Medium

1.1758

High

1.2973

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.25 m
Displacement: 7593 kg
Crew weight: 785 kg
Wetted surface: 33.12 m²

Sails

Mainsail: 50.67 m²
Genoa: 41.31 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 157.02 m²

Design

Type: J 122
Builder: J/Boats
Designer: Alan Johnstone
Year built: 2008
Stability index: 124.1

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.

6,43,5.127478,52,5.73,60,6.04,75,6.24,90,6.13,110,6.27,120,6.14,135,5.51,143.3,5.038816,150,4.66
8,41.1,6.07779,52,6.78,60,7.03,75,7.2,90,7.26,110,7.44,120,7.35,135,6.85,146.9,6.076025,150,5.88
10,39.4,6.65171,52,7.38,60,7.57,75,7.71,90,7.72,110,8.02,120,7.99,135,7.69,148.7,7.021988,150,6.93
12,38.2,6.884205,52,7.65,60,7.84,75,8.02,90,8.04,110,8.4,120,8.46,135,8.22,150,7.65,150.5,7.617575
14,37.6,6.992392,52,7.77,60,7.98,75,8.24,90,8.34,110,8.65,120,8.88,135,8.71,150,8.05,150.7,8.003951
16,37.5,7.083855,52,7.85,60,8.06,75,8.39,90,8.59,110,8.88,120,9.23,135,9.22,150,8.39,173,7.465648
20,37.8,7.175807,52,7.92,60,8.15,75,8.56,90,8.97,110,9.3,120,9.82,135,10.48,150,9.12,175.7,8.233175

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.73	6.04	6.24	6.13	6.27	6.14	5.51	4.66
8	6.78	7.03	7.2	7.26	7.44	7.35	6.85	5.88
10	7.38	7.57	7.71	7.72	8.02	7.99	7.69	6.93
12	7.65	7.84	8.02	8.04	8.4	8.46	8.22	7.65
14	7.77	7.98	8.24	8.34	8.65	8.88	8.71	8.05
16	7.85	8.06	8.39	8.59	8.88	9.23	9.22	8.39
20	7.92	8.15	8.56	8.97	9.3	9.82	10.48	9.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.75	143.3°	4.04
8	41.1°	4.58	146.9°	5.09
10	39.4°	5.14	148.7°	6
12	38.2°	5.41	150.5°	6.63
14	37.6°	5.54	150.7°	6.98
16	37.5°	5.62	173°	7.41
20	37.8°	5.67	175.7°	8.21

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