Joy — ORC Rating | RegattaPages

GPH

619.7

OSN

603.2

LOA

9.95 m

Displacement

3972 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6752

Medium

0.8848

High

0.9817

Triple Offshore

Low

0.8646

Medium

1.0855

High

1.1908

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 2 m
Displacement: 3972 kg
Crew weight: 450 kg
Wetted surface: 22.72 m²

Sails

Mainsail: 34.87 m²
Genoa: 27.19 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 102.43 m²

Design

Type: J-99
Builder: J-Composites
Designer: Johnstone
Year built: 2019
Stability index: 111.4

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.

6,43,4.799319,52,5.33,60,5.61,75,5.79,90,5.84,110,5.95,120,5.81,135,5.22,143.9,4.740158,150,4.42
8,40.6,5.610643,52,6.27,60,6.49,75,6.63,90,6.78,110,6.95,120,6.86,135,6.42,147.8,5.707917,150,5.58
10,39.1,6.107882,52,6.77,60,6.94,75,7.08,90,7.15,110,7.44,120,7.42,135,7.15,149.2,6.554439,150,6.5
12,38.2,6.273407,52,6.98,60,7.16,75,7.36,90,7.42,110,7.79,120,7.87,135,7.65,150,7.09,150.5,7.054587
14,38.1,6.37918,52,7.07,60,7.27,75,7.55,90,7.69,110,8.03,120,8.27,135,8.14,150,7.46,167.6,6.614296
16,38.2,6.426106,52,7.13,60,7.34,75,7.68,90,7.91,110,8.25,120,8.64,135,8.67,150,7.81,174.5,7.002237
20,39,6.485268,52,7.17,60,7.4,75,7.81,90,8.25,110,8.68,120,9.28,135,10.27,150,8.57,175.7,7.731764

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.33	5.61	5.79	5.84	5.95	5.81	5.22	4.42
8	6.27	6.49	6.63	6.78	6.95	6.86	6.42	5.58
10	6.77	6.94	7.08	7.15	7.44	7.42	7.15	6.5
12	6.98	7.16	7.36	7.42	7.79	7.87	7.65	7.09
14	7.07	7.27	7.55	7.69	8.03	8.27	8.14	7.46
16	7.13	7.34	7.68	7.91	8.25	8.64	8.67	7.81
20	7.17	7.4	7.81	8.25	8.68	9.28	10.27	8.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.51	143.9°	3.83
8	40.6°	4.26	147.8°	4.83
10	39.1°	4.74	149.2°	5.63
12	38.2°	4.93	150.5°	6.14
14	38.1°	5.02	167.6°	6.46
16	38.2°	5.05	174.5°	6.97
20	39°	5.04	175.7°	7.71

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