Ambition — ORC Rating

GPH

586.6

OSN

570.5

LOA

12.19 m

Displacement

7759 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7879

Medium

1.0519

High

1.1939

Triple Offshore

Low

1.0142

Medium

1.2964

High

1.4342

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.25 m
Displacement: 7759 kg
Crew weight: 180 kg
Wetted surface: 33.47 m²

Sails

Mainsail: 46.1 m²
Genoa: 41.5 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 146 m²

Design

Type: J-122 (DK)
Builder: J-boats
Designer: Johnstone
Year built: 2006

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.

6,42.4,4.956292,52,5.54,60,5.84,75,6.07,90,6.07,110,6.17,120,6.03,135,5.43,143.9,4.925804,150,4.59
8,40.6,5.834542,52,6.59,60,6.89,75,7.1,90,7.23,110,7.37,120,7.26,135,6.69,147.5,5.892875,150,5.74
10,40.1,6.510473,52,7.26,60,7.48,75,7.64,90,7.63,110,7.93,120,7.87,135,7.56,148.4,6.868399,150,6.76
12,39.2,6.826295,52,7.56,60,7.75,75,7.92,90,7.96,110,8.21,120,8.29,135,8.03,150,7.49,150.2,7.478979
14,38.3,6.931911,52,7.68,60,7.88,75,8.13,90,8.21,110,8.42,120,8.68,135,8.46,150,7.86,151.8,7.749885
16,37.9,6.982779,52,7.74,60,7.95,75,8.27,90,8.45,110,8.64,120,8.96,135,8.95,150,8.17,175.7,7.350691
20,37.5,7.159483,52,7.84,60,8.02,75,8.41,90,8.87,110,9.06,120,9.47,135,10.09,150,8.92,177.8,8.105975

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.54	5.84	6.07	6.07	6.17	6.03	5.43	4.59
8	6.59	6.89	7.1	7.23	7.37	7.26	6.69	5.74
10	7.26	7.48	7.64	7.63	7.93	7.87	7.56	6.76
12	7.56	7.75	7.92	7.96	8.21	8.29	8.03	7.49
14	7.68	7.88	8.13	8.21	8.42	8.68	8.46	7.86
16	7.74	7.95	8.27	8.45	8.64	8.96	8.95	8.17
20	7.84	8.02	8.41	8.87	9.06	9.47	10.09	8.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.66	143.9°	3.98
8	40.6°	4.43	147.5°	4.97
10	40.1°	4.98	148.4°	5.85
12	39.2°	5.29	150.2°	6.49
14	38.3°	5.44	151.8°	6.83
16	37.9°	5.51	175.7°	7.33
20	37.5°	5.68	177.8°	8.1

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