Joy — ORC Rating | RegattaPages

GPH

623

OSN

606.6

LOA

9.95 m

Displacement

3968 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6615

Medium

0.8782

High

0.9805

Triple Offshore

Low

0.8526

Medium

1.0831

High

1.1979

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 1.99 m
Displacement: 3968 kg
Crew weight: 450 kg
Wetted surface: 22.74 m²

Sails

Mainsail: 35.19 m²
Genoa: 27.61 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 102.43 m²

Design

Type: J-99
Builder: J-Composites
Designer: Johnstone
Year built: 2019
Stability index: 110.3

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.

6,43,4.621567,52,5.17,60,5.47,75,5.72,90,5.83,110,5.94,120,5.8,135,5.21,144.2,4.722193,150,4.42
8,41.8,5.513256,52,6.17,60,6.44,75,6.63,90,6.85,110,6.98,120,6.9,135,6.45,147.8,5.696099,150,5.56
10,40.6,6.124293,52,6.75,60,6.94,75,7.09,90,7.19,110,7.48,120,7.44,135,7.17,149.2,6.589365,150,6.53
12,39.4,6.315243,52,6.98,60,7.17,75,7.37,90,7.44,110,7.85,120,7.96,135,7.66,150,7.11,150.7,7.075126
14,39.4,6.418771,52,7.06,60,7.27,75,7.59,90,7.76,110,8.13,120,8.45,135,8.22,150,7.46,164,6.74114
16,39.4,6.457594,52,7.1,60,7.33,75,7.73,90,8.06,110,8.39,120,8.79,135,8.83,150,7.83,174.8,7.008846
20,39.4,6.587005,52,7.21,60,7.43,75,7.85,90,8.45,110,8.86,120,9.44,135,10.5,141.2,9.944338,150,8.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.17	5.47	5.72	5.83	5.94	5.8	5.21	4.42
8	6.17	6.44	6.63	6.85	6.98	6.9	6.45	5.56
10	6.75	6.94	7.09	7.19	7.48	7.44	7.17	6.53
12	6.98	7.17	7.37	7.44	7.85	7.96	7.66	7.11
14	7.06	7.27	7.59	7.76	8.13	8.45	8.22	7.46
16	7.1	7.33	7.73	8.06	8.39	8.79	8.83	7.83
20	7.21	7.43	7.85	8.45	8.86	9.44	10.5	8.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.2°	3.83
8	41.8°	4.11	147.8°	4.82
10	40.6°	4.65	149.2°	5.66
12	39.4°	4.88	150.7°	6.17
14	39.4°	4.96	164°	6.48
16	39.4°	4.99	174.8°	6.98
20	39.4°	5.09	141.2°	7.75

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