LEADING EDGE — ORC Rating

GPH

572.8

OSN

555.8

LOA

12.19 m

Displacement

6847 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.71

Medium

0.9616

High

1.0877

Triple Offshore

Low

0.9164

Medium

1.1826

High

1.3209

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.21 m
Displacement: 6847 kg
Crew weight: 896 kg
Wetted surface: 32.28 m²

Sails

Mainsail: 50.35 m²
Genoa: 41.15 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 157.02 m²

Design

Type: J/122
Builder: J/Boats
Designer: Alan Johnstone
Year built: 2006
Stability index: 133.6

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.

6,43.2,5.007074,52,5.6,60,5.94,75,6.23,90,6.18,110,6.31,120,6.18,135,5.56,144.2,5.04276,150,4.72
8,41.8,5.96934,52,6.7,60,7.01,75,7.23,90,7.38,110,7.52,120,7.42,135,6.92,146.9,6.123774,150,5.92
10,40.6,6.703796,52,7.4,60,7.59,75,7.73,90,7.85,110,8.09,120,8.03,135,7.74,148.7,7.092208,150,6.99
12,38.8,7.005946,52,7.71,60,7.88,75,8.05,90,8.08,110,8.54,120,8.56,135,8.24,150,7.7,150.9,7.645013
14,38.2,7.138704,52,7.84,60,8.05,75,8.33,90,8.41,110,8.86,120,9.12,135,8.8,150,8.08,151.4,7.97282
16,37.6,7.181717,52,7.91,60,8.15,75,8.55,90,8.76,110,9.15,120,9.57,135,9.42,150,8.43,173,7.495873
20,37,7.299951,52,8,60,8.22,75,8.78,90,9.34,110,9.69,120,10.31,135,11.07,150,9.28,175.7,8.243204

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.6	5.94	6.23	6.18	6.31	6.18	5.56	4.72
8	6.7	7.01	7.23	7.38	7.52	7.42	6.92	5.92
10	7.4	7.59	7.73	7.85	8.09	8.03	7.74	6.99
12	7.71	7.88	8.05	8.08	8.54	8.56	8.24	7.7
14	7.84	8.05	8.33	8.41	8.86	9.12	8.8	8.08
16	7.91	8.15	8.55	8.76	9.15	9.57	9.42	8.43
20	8	8.22	8.78	9.34	9.69	10.31	11.07	9.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.65	144.2°	4.09
8	41.8°	4.45	146.9°	5.13
10	40.6°	5.09	148.7°	6.06
12	38.8°	5.46	150.9°	6.68
14	38.2°	5.61	151.4°	7
16	37.6°	5.69	173°	7.44
20	37°	5.83	175.7°	8.22

Loading polar chart…