Jipper — ORC Rating | RegattaPages

GPH

593.4

OSN

575.1

LOA

12.244 m

Displacement

6729 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.752

Medium

1.0416

High

1.201

Triple Offshore

Low

0.9796

Medium

1.2914

High

1.4558

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.16 m
Displacement: 6729 kg
Crew weight: 813 kg
Wetted surface: 32.42 m²

Sails

Mainsail: 44.95 m²
Genoa: 31.6 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 145.11 m²

Design

Type: J-120
Builder: J-Composit
Designer: R. Johnstone
Year built: 2000

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.

6,43.5,4.701021,52,5.26,60,5.6,75,5.85,90,6,110,6.14,120,6.01,135,5.3,143.3,4.814314,150,4.46
8,41.7,5.598428,52,6.31,60,6.65,75,6.92,90,7.23,110,7.39,120,7.28,135,6.68,147.1,5.800244,150,5.62
10,40.9,6.350437,52,7.11,60,7.35,75,7.54,90,7.75,110,7.98,120,7.93,135,7.61,146.6,6.983308,150,6.73
12,39.5,6.829746,52,7.53,60,7.72,75,7.88,90,7.95,110,8.4,120,8.41,135,8.1,150,7.53,150.3,7.50606
14,38.4,6.99253,52,7.73,60,7.92,75,8.14,90,8.21,110,8.71,120,8.94,135,8.61,150,7.91,151.5,7.817326
16,37.9,7.07149,52,7.81,60,8.03,75,8.37,90,8.52,110,8.95,120,9.39,135,9.19,150,8.25,175.2,7.355798
20,37.2,7.15604,52,7.87,60,8.12,75,8.64,90,9.11,110,9.46,120,10.01,135,10.63,150,9.19,177.5,8.137745

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.26	5.6	5.85	6	6.14	6.01	5.3	4.46
8	6.31	6.65	6.92	7.23	7.39	7.28	6.68	5.62
10	7.11	7.35	7.54	7.75	7.98	7.93	7.61	6.73
12	7.53	7.72	7.88	7.95	8.4	8.41	8.1	7.53
14	7.73	7.92	8.14	8.21	8.71	8.94	8.61	7.91
16	7.81	8.03	8.37	8.52	8.95	9.39	9.19	8.25
20	7.87	8.12	8.64	9.11	9.46	10.01	10.63	9.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.41	143.3°	3.86
8	41.7°	4.18	147.1°	4.87
10	40.9°	4.8	146.6°	5.83
12	39.5°	5.27	150.3°	6.52
14	38.4°	5.48	151.5°	6.87
16	37.9°	5.58	175.2°	7.33
20	37.2°	5.7	177.5°	8.13

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