JAY HAWKER — ORC Rating

GPH

571.5

OSN

555.8

LOA

12.244 m

Displacement

6806 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7058

Medium

0.9619

High

1.0924

Triple Offshore

Low

0.9169

Medium

1.1855

High

1.3286

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.16 m
Displacement: 6806 kg
Crew weight: 1010 kg
Wetted surface: 33.06 m²

Sails

Mainsail: 47.45 m²
Genoa: 52.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 164.94 m²

Design

Type: J-120
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1994
Stability index: 124.4

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.

6,43.6,5.095476,52,5.64,60,6,75,6.29,90,6.54,110,6.36,120,6.06,135,5.41,144.2,4.907135,150,4.59
8,42,6.041891,52,6.77,60,7.07,75,7.34,90,7.57,110,7.48,120,7.35,135,6.84,147.3,5.953578,150,5.79
10,40.8,6.776795,52,7.44,60,7.62,75,7.77,90,8.02,110,8.03,120,7.99,135,7.72,147.3,7.11815,150,6.92
12,38.8,7.031609,52,7.72,60,7.89,75,8.06,90,8.33,110,8.47,120,8.51,135,8.23,150,7.69,150.9,7.633568
14,37.6,7.13123,52,7.84,60,8.03,75,8.31,90,8.58,110,8.97,120,9.05,135,8.8,150,8.07,151.1,7.984333
16,36.9,7.202839,52,7.91,60,8.13,75,8.5,90,8.79,110,9.43,120,9.51,135,9.45,150,8.42,171.2,7.467909
20,36.4,7.280464,52,7.99,60,8.23,75,8.73,90,9.28,110,10.12,120,10.52,135,11.08,142.8,10.420199,150,9.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.64	6	6.29	6.54	6.36	6.06	5.41	4.59
8	6.77	7.07	7.34	7.57	7.48	7.35	6.84	5.79
10	7.44	7.62	7.77	8.02	8.03	7.99	7.72	6.92
12	7.72	7.89	8.06	8.33	8.47	8.51	8.23	7.69
14	7.84	8.03	8.31	8.58	8.97	9.05	8.8	8.07
16	7.91	8.13	8.5	8.79	9.43	9.51	9.45	8.42
20	7.99	8.23	8.73	9.28	10.12	10.52	11.08	9.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.69	144.2°	3.98
8	42°	4.49	147.3°	5.01
10	40.8°	5.13	147.3°	5.99
12	38.8°	5.48	150.9°	6.67
14	37.6°	5.65	151.1°	6.99
16	36.9°	5.76	171.2°	7.38
20	36.4°	5.86	142.8°	8.3

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