A MAJOR — ORC Rating | RegattaPages

GPH

615.5

OSN

600.3

LOA

9.95 m

Displacement

4079 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6582

Medium

0.8871

High

1.0046

Triple Offshore

Low

0.8585

Medium

1.0967

High

1.2251

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 2 m
Displacement: 4079 kg
Crew weight: 580 kg
Wetted surface: 24.19 m²

Sails

Mainsail: 35.06 m²
Genoa: 27.61 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 105.86 m²

Design

Type: J-99
Builder: J Composites
Designer: J Boats
Year built: 2018

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.

6,43.1,4.642804,52,5.2,60,5.5,75,6.03,90,6.29,110,6.12,120,5.81,135,5.16,144,4.672337,150,4.36
8,41.2,5.488993,52,6.19,60,6.48,75,6.9,90,7.1,110,7.02,120,6.89,135,6.4,147.5,5.608309,150,5.47
10,40.1,6.157495,52,6.8,60,6.97,75,7.24,90,7.51,110,7.5,120,7.43,135,7.13,148.5,6.544379,150,6.44
12,38.2,6.426106,52,7.08,60,7.24,75,7.42,90,7.83,110,7.98,120,7.94,135,7.59,150,7.05,150.5,7.020118
14,37.9,6.5519,52,7.21,60,7.41,75,7.67,90,8.06,110,8.47,120,8.48,135,8.11,150,7.39,174,6.515694
16,37.7,6.597377,52,7.26,60,7.49,75,7.89,90,8.25,110,8.91,120,8.96,135,8.68,150,7.73,177,7.009606
20,37.5,6.667899,52,7.32,60,7.54,75,8.09,90,8.64,110,9.57,120,10.07,135,10.24,150,8.73,177,7.730595

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.5	6.03	6.29	6.12	5.81	5.16	4.36
8	6.19	6.48	6.9	7.1	7.02	6.89	6.4	5.47
10	6.8	6.97	7.24	7.51	7.5	7.43	7.13	6.44
12	7.08	7.24	7.42	7.83	7.98	7.94	7.59	7.05
14	7.21	7.41	7.67	8.06	8.47	8.48	8.11	7.39
16	7.26	7.49	7.89	8.25	8.91	8.96	8.68	7.73
20	7.32	7.54	8.09	8.64	9.57	10.07	10.24	8.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.39	144°	3.78
8	41.2°	4.13	147.5°	4.73
10	40.1°	4.71	148.5°	5.58
12	38.2°	5.05	150.5°	6.11
14	37.9°	5.17	174°	6.48
16	37.7°	5.22	177°	7
20	37.5°	5.29	177°	7.72

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