HUNKY DORY — ORC Rating

GPH

588.7

OSN

572.4

LOA

12.244 m

Displacement

6583 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6854

Medium

0.931

High

1.0533

Triple Offshore

Low

0.8898

Medium

1.1533

High

1.2791

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.16 m
Displacement: 6583 kg
Crew weight: 550 kg
Wetted surface: 31.43 m²

Sails

Mainsail: 44.03 m²
Genoa: 42.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 145.18 m²

Design

Type: J-120
Builder: J COMPOSITES
Designer: JOHNSTONE
Year built: 1999

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.

6,43.5,4.894025,52,5.47,60,5.81,75,6.11,90,6.06,110,6.13,120,6.01,135,5.32,143.5,4.83917,150,4.49
8,42,5.853502,52,6.57,60,6.9,75,7.15,90,7.19,110,7.39,120,7.29,135,6.72,147,5.84258,150,5.65
10,40.9,6.535658,52,7.26,60,7.49,75,7.67,90,7.7,110,7.96,120,7.93,135,7.63,147,6.987249,150,6.76
12,39.8,6.807383,52,7.53,60,7.75,75,7.96,90,8.04,110,8.29,120,8.4,135,8.13,150,7.57,150.5,7.525659
14,39,6.897031,52,7.64,60,7.86,75,8.17,90,8.33,110,8.53,120,8.85,135,8.64,150,7.95,151.5,7.851463
16,38.6,6.947995,52,7.7,60,7.93,75,8.3,90,8.6,110,8.79,120,9.17,135,9.21,150,8.3,175,7.388114
20,38.6,7.088746,52,7.78,60,7.98,75,8.43,90,9.02,110,9.31,120,9.8,135,10.58,150,9.21,177.5,8.167774

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.47	5.81	6.11	6.06	6.13	6.01	5.32	4.49
8	6.57	6.9	7.15	7.19	7.39	7.29	6.72	5.65
10	7.26	7.49	7.67	7.7	7.96	7.93	7.63	6.76
12	7.53	7.75	7.96	8.04	8.29	8.4	8.13	7.57
14	7.64	7.86	8.17	8.33	8.53	8.85	8.64	7.95
16	7.7	7.93	8.3	8.6	8.79	9.17	9.21	8.3
20	7.78	7.98	8.43	9.02	9.31	9.8	10.58	9.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.55	143.5°	3.89
8	42°	4.35	147°	4.9
10	40.9°	4.94	147°	5.86
12	39.8°	5.23	150.5°	6.55
14	39°	5.36	151.5°	6.9
16	38.6°	5.43	175°	7.36
20	38.6°	5.54	177.5°	8.16

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