JUNIOR — ORC Rating | RegattaPages

GPH

667.2

OSN

648.6

LOA

8.032 m

Displacement

1543 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6279

Medium

0.8227

High

0.9352

Triple Offshore

Low

0.801

Medium

1.0063

High

1.1311

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.51 m
Displacement: 1543 kg
Crew weight: 410 kg
Wetted surface: 13.88 m²

Sails

Mainsail: 21.62 m²
Genoa: 14.53 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.63 m²

Design

Type: J-80
Builder: J. COMPOSITE
Designer: R. JOHNSTONE
Year built: 1992

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.

6,42.9,4.409298,52,4.9,60,5.15,75,5.3,90,5.42,110,5.54,120,5.4,135,4.9,144.8,4.430059,150,4.18
8,41,5.180801,52,5.75,60,5.94,75,6.06,90,6.25,110,6.4,120,6.34,135,5.96,148.5,5.324638,150,5.25
10,38.6,5.617255,52,6.19,60,6.33,75,6.46,90,6.56,110,6.89,120,6.9,135,6.62,149.4,6.076153,150,6.04
12,37.5,5.798173,52,6.4,60,6.56,75,6.76,90,6.82,110,7.27,120,7.4,135,7.17,149.8,6.571984,150,6.56
14,37.2,5.875486,52,6.5,60,6.69,75,6.98,90,7.13,110,7.55,120,7.88,135,7.75,150,6.94,173.9,6.08445
16,37.1,5.93041,52,6.56,60,6.77,75,7.13,90,7.41,110,7.83,120,8.33,135,8.46,150,7.32,175.6,6.479095
20,37.5,5.987244,52,6.63,60,6.88,75,7.32,90,7.83,110,8.41,120,9.3,135,11.05,139.7,10.804172,150,9.51
24,39.3,5.99607,52,6.61,60,6.89,75,7.42,90,8.1,110,9.04,120,10.48,135,13.01,145.1,13.704779,150,12.98

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.15	5.3	5.42	5.54	5.4	4.9	4.18
8	5.75	5.94	6.06	6.25	6.4	6.34	5.96	5.25
10	6.19	6.33	6.46	6.56	6.89	6.9	6.62	6.04
12	6.4	6.56	6.76	6.82	7.27	7.4	7.17	6.56
14	6.5	6.69	6.98	7.13	7.55	7.88	7.75	6.94
16	6.56	6.77	7.13	7.41	7.83	8.33	8.46	7.32
20	6.63	6.88	7.32	7.83	8.41	9.3	11.05	9.51
24	6.61	6.89	7.42	8.1	9.04	10.48	13.01	12.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.23	144.8°	3.62
8	41°	3.91	148.5°	4.54
10	38.6°	4.39	149.4°	5.23
12	37.5°	4.6	149.8°	5.68
14	37.2°	4.68	173.9°	6.05
16	37.1°	4.73	175.6°	6.46
20	37.5°	4.75	139.7°	8.24
24	39.3°	4.64	145.1°	11.24

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