Jester — ORC Rating | RegattaPages

GPH

615.2

OSN

599.2

LOA

10.757 m

Displacement

5116 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6691

Medium

0.8916

High

1.0043

Triple Offshore

Low

0.8621

Medium

1.0973

High

1.2107

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.14 m
Displacement: 5116 kg
Crew weight: 480 kg
Wetted surface: 26.29 m²

Sails

Mainsail: 37.7 m²
Genoa: 35.18 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 109.43 m²

Design

Type: J-109
Builder: J-composite
Designer: Johnstone
Year built: 2001

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.

6,42.4,4.766707,52,5.35,60,5.64,75,5.89,90,5.83,110,5.9,120,5.75,135,5.15,144,4.659976,150,4.36
8,40.9,5.622783,52,6.34,60,6.6,75,6.79,90,6.88,110,6.99,120,6.88,135,6.36,148,5.565722,150,5.45
10,40.1,6.275155,52,6.92,60,7.1,75,7.23,90,7.3,110,7.5,120,7.43,135,7.15,148,6.556232,150,6.42
12,38.6,6.487354,52,7.16,60,7.33,75,7.5,90,7.54,110,7.88,120,7.87,135,7.59,150,7.07,150.2,7.052597
14,37.9,6.564573,52,7.25,60,7.44,75,7.71,90,7.82,110,8.15,120,8.33,135,8.04,150,7.41,174,6.495583
16,38.2,6.655156,52,7.3,60,7.51,75,7.86,90,8.09,110,8.38,120,8.72,135,8.53,150,7.71,177,7.029634
20,38.1,6.696868,52,7.33,60,7.54,75,7.98,90,8.48,110,8.8,120,9.25,135,9.66,150,8.5,178,7.7147

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.35	5.64	5.89	5.83	5.9	5.75	5.15	4.36
8	6.34	6.6	6.79	6.88	6.99	6.88	6.36	5.45
10	6.92	7.1	7.23	7.3	7.5	7.43	7.15	6.42
12	7.16	7.33	7.5	7.54	7.88	7.87	7.59	7.07
14	7.25	7.44	7.71	7.82	8.15	8.33	8.04	7.41
16	7.3	7.51	7.86	8.09	8.38	8.72	8.53	7.71
20	7.33	7.54	7.98	8.48	8.8	9.25	9.66	8.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.52	144°	3.77
8	40.9°	4.25	148°	4.72
10	40.1°	4.8	148°	5.56
12	38.6°	5.07	150.2°	6.12
14	37.9°	5.18	174°	6.46
16	38.2°	5.23	177°	7.02
20	38.1°	5.27	178°	7.71

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