JOY — ORC Rating | RegattaPages

GPH

581.5

OSN

565.4

LOA

12.19 m

Displacement

7377 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7896

Medium

1.0615

High

1.2043

Triple Offshore

Low

1.0188

Medium

1.3101

High

1.4532

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.24 m
Displacement: 7377 kg
Crew weight: 700 kg
Wetted surface: 32.86 m²

Sails

Mainsail: 49.24 m²
Genoa: 43.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 143.07 m²

Design

Type: J 122
Builder: J BOATS
Designer: JOHNSTONE A.
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.

6,42.7,4.993778,52,5.59,60,5.9,75,6.15,90,6.1,110,6.18,120,6.03,135,5.41,143.7,4.913589,150,4.57
8,41.3,5.949971,52,6.7,60,7,75,7.2,90,7.3,110,7.42,120,7.29,135,6.71,147.4,5.887573,150,5.73
10,40.5,6.65434,52,7.36,60,7.57,75,7.72,90,7.76,110,7.99,120,7.92,135,7.59,148.3,6.899299,150,6.78
12,39,6.897031,52,7.64,60,7.83,75,8.01,90,8.05,110,8.37,120,8.38,135,8.07,150,7.52,150.4,7.487105
14,38.2,6.99873,52,7.74,60,7.95,75,8.22,90,8.34,110,8.64,120,8.86,135,8.53,150,7.89,152.1,7.773554
16,37.8,7.04925,52,7.8,60,8.01,75,8.37,90,8.62,110,8.89,120,9.25,135,9.07,150,8.22,175.8,7.399873
20,37.6,7.232204,52,7.91,60,8.1,75,8.5,90,9.05,110,9.36,120,9.85,135,10.34,150,9.06,177.7,8.166579

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.59	5.9	6.15	6.1	6.18	6.03	5.41	4.57
8	6.7	7	7.2	7.3	7.42	7.29	6.71	5.73
10	7.36	7.57	7.72	7.76	7.99	7.92	7.59	6.78
12	7.64	7.83	8.01	8.05	8.37	8.38	8.07	7.52
14	7.74	7.95	8.22	8.34	8.64	8.86	8.53	7.89
16	7.8	8.01	8.37	8.62	8.89	9.25	9.07	8.22
20	7.91	8.1	8.5	9.05	9.36	9.85	10.34	9.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.67	143.7°	3.96
8	41.3°	4.47	147.4°	4.96
10	40.5°	5.06	148.3°	5.87
12	39°	5.36	150.4°	6.51
14	38.2°	5.5	152.1°	6.87
16	37.8°	5.57	175.8°	7.38
20	37.6°	5.73	177.7°	8.16

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