JEKYLL — ORC Rating | RegattaPages

GPH

657.8

OSN

643.2

LOA

8.032 m

Displacement

1425 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6314

Medium

0.8213

High

0.9323

Triple Offshore

Low

0.8147

Medium

1.0184

High

1.1472

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.5 m
Displacement: 1425 kg
Crew weight: 300 kg
Wetted surface: 12.74 m²

Sails

Mainsail: 21.35 m²
Genoa: 13.72 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.12 m²

Design

Type: J 80
Builder: J COMPOSITE
Designer: JOHNSTONE
Year built: 1993
Stability index: 112.9

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.

6,43.2,4.376046,52,4.89,60,5.19,75,5.66,90,5.85,110,5.71,120,5.58,135,5.02,144.8,4.527961,150,4.27
8,42.4,5.254211,52,5.82,60,6.03,75,6.33,90,6.49,110,6.51,120,6.46,135,6.13,147.8,5.507017,150,5.38
10,40,5.652414,52,6.22,60,6.38,75,6.6,90,6.95,110,7.04,120,7.08,135,6.77,150,6.19,150.9,6.145766
12,39.6,5.78835,52,6.35,60,6.57,75,6.87,90,7.27,110,7.52,120,7.69,135,7.43,149.2,6.775636,150,6.72
14,39.6,5.827285,52,6.41,60,6.66,75,7.11,90,7.51,110,8.1,120,8.14,135,8.22,146.6,7.522329,150,7.25
16,39.5,5.857771,52,6.43,60,6.7,75,7.24,90,7.74,110,8.59,120,8.66,135,9.17,144.4,8.461436,150,7.94
20,40.6,5.939906,52,6.52,60,6.85,75,7.35,90,8.1,110,9.32,120,10.14,135,11.06,142.6,11.392036,150,10.44

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.19	5.66	5.85	5.71	5.58	5.02	4.27
8	5.82	6.03	6.33	6.49	6.51	6.46	6.13	5.38
10	6.22	6.38	6.6	6.95	7.04	7.08	6.77	6.19
12	6.35	6.57	6.87	7.27	7.52	7.69	7.43	6.72
14	6.41	6.66	7.11	7.51	8.1	8.14	8.22	7.25
16	6.43	6.7	7.24	7.74	8.59	8.66	9.17	7.94
20	6.52	6.85	7.35	8.1	9.32	10.14	11.06	10.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.19	144.8°	3.7
8	42.4°	3.88	147.8°	4.66
10	40°	4.33	150.9°	5.37
12	39.6°	4.46	149.2°	5.82
14	39.6°	4.49	146.6°	6.28
16	39.5°	4.52	144.4°	6.88
20	40.6°	4.51	142.6°	9.05

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