JOY — ORC Rating | RegattaPages

GPH

582.2

OSN

568.9

LOA

12.19 m

Displacement

7623 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6959

Medium

0.9348

High

1.0597

Triple Offshore

Low

0.9083

Medium

1.1605

High

1.2863

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.25 m
Displacement: 7623 kg
Crew weight: 700 kg
Wetted surface: 33.27 m²

Sails

Mainsail: 48.72 m²
Genoa: 43.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 140.6 m²

Design

Type: J 122
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.

6,42.8,4.947325,52,5.55,60,5.88,75,6.34,90,6.61,110,6.43,120,6.11,135,5.4,144,4.882469,150,4.56
8,41.2,5.861128,52,6.62,60,6.93,75,7.37,90,7.58,110,7.49,120,7.27,135,6.68,147,5.902198,150,5.71
10,40.5,6.562284,52,7.31,60,7.52,75,7.75,90,8.01,110,8,120,7.89,135,7.56,148.2,6.871456,150,6.75
12,39.4,6.845827,52,7.59,60,7.79,75,7.97,90,8.27,110,8.41,120,8.33,135,8.04,150,7.49,150.2,7.478979
14,38.6,6.947995,52,7.7,60,7.91,75,8.18,90,8.46,110,8.83,120,8.8,135,8.49,150,7.86,152,7.746779
16,38.2,6.986005,52,7.75,60,7.97,75,8.32,90,8.63,110,9.23,120,9.2,135,9,150,8.19,176,7.367948
20,38.2,7.176879,52,7.85,60,8.05,75,8.44,90,8.97,110,9.78,120,10.11,135,10.21,150,8.96,178,8.134956

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.55	5.88	6.34	6.61	6.43	6.11	5.4	4.56
8	6.62	6.93	7.37	7.58	7.49	7.27	6.68	5.71
10	7.31	7.52	7.75	8.01	8	7.89	7.56	6.75
12	7.59	7.79	7.97	8.27	8.41	8.33	8.04	7.49
14	7.7	7.91	8.18	8.46	8.83	8.8	8.49	7.86
16	7.75	7.97	8.32	8.63	9.23	9.2	9	8.19
20	7.85	8.05	8.44	8.97	9.78	10.11	10.21	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.63	144°	3.95
8	41.2°	4.41	147°	4.95
10	40.5°	4.99	148.2°	5.84
12	39.4°	5.29	150.2°	6.49
14	38.6°	5.43	152°	6.84
16	38.2°	5.49	176°	7.35
20	38.2°	5.64	178°	8.13

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