JGO — ORC Rating | RegattaPages

GPH

623.5

OSN

603.9

LOA

9.95 m

Displacement

4002 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6598

Medium

0.8855

High

0.9991

Triple Offshore

Low

0.846

Medium

1.085

High

1.2042

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 2.11 m
Displacement: 4002 kg
Crew weight: 566 kg
Wetted surface: 24.06 m²

Sails

Mainsail: 33.36 m²
Genoa: 26.36 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 95.82 m²

Design

Type: J 99
Builder: J COMPOSITES
Designer: Johnstone
Year built: 2019

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.

6,43,4.689933,52,5.2,60,5.46,75,5.6,90,5.74,110,5.8,120,5.64,135,5.07,143.6,4.621728,150,4.29
8,40.9,5.556633,52,6.18,60,6.4,75,6.53,90,6.75,110,6.87,120,6.75,135,6.28,147.6,5.590245,150,5.45
10,39.1,6.133654,52,6.76,60,6.92,75,7.03,90,7.21,110,7.41,120,7.35,135,7.04,148.8,6.453391,150,6.38
12,37.4,6.382058,52,7.05,60,7.2,75,7.34,90,7.42,110,7.8,120,7.81,135,7.54,149.7,6.995635,150,6.97
14,37.1,6.507152,52,7.18,60,7.36,75,7.58,90,7.64,110,8.11,120,8.24,135,8.01,150,7.34,150.7,7.292999
16,36.9,6.565088,52,7.25,60,7.45,75,7.75,90,7.9,110,8.34,120,8.66,135,8.49,150,7.66,174.5,6.901774
20,37,6.636319,52,7.32,60,7.55,75,7.93,90,8.3,110,8.77,120,9.38,135,9.87,150,8.36,175.9,7.609474
24,38,6.649655,52,7.32,60,7.57,75,8.03,90,8.54,110,9.2,120,10.17,135,12.51,140.2,12.274115,150,10.89

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.46	5.6	5.74	5.8	5.64	5.07	4.29
8	6.18	6.4	6.53	6.75	6.87	6.75	6.28	5.45
10	6.76	6.92	7.03	7.21	7.41	7.35	7.04	6.38
12	7.05	7.2	7.34	7.42	7.8	7.81	7.54	6.97
14	7.18	7.36	7.58	7.64	8.11	8.24	8.01	7.34
16	7.25	7.45	7.75	7.9	8.34	8.66	8.49	7.66
20	7.32	7.55	7.93	8.3	8.77	9.38	9.87	8.36
24	7.32	7.57	8.03	8.54	9.2	10.17	12.51	10.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.43	143.6°	3.72
8	40.9°	4.2	147.6°	4.72
10	39.1°	4.76	148.8°	5.52
12	37.4°	5.07	149.7°	6.04
14	37.1°	5.19	150.7°	6.36
16	36.9°	5.25	174.5°	6.87
20	37°	5.3	175.9°	7.59
24	38°	5.24	140.2°	9.43

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