Jester — ORC Rating | RegattaPages

GPH

615.8

OSN

599.9

LOA

10.757 m

Displacement

5116 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7523

Medium

1.0022

High

1.1286

Triple Offshore

Low

0.9692

Medium

1.2332

High

1.3592

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.

6,42.3,4.759129,52,5.35,60,5.64,75,5.89,90,5.83,110,5.89,120,5.74,135,5.14,144.2,4.648216,150,4.35
8,40.9,5.622783,52,6.34,60,6.6,75,6.79,90,6.87,110,6.99,120,6.88,135,6.35,147.9,5.560002,150,5.44
10,39.9,6.256801,52,6.92,60,7.09,75,7.23,90,7.29,110,7.49,120,7.43,135,7.14,148.1,6.53732,150,6.41
12,38.6,6.474558,52,7.15,60,7.32,75,7.5,90,7.54,110,7.86,120,7.86,135,7.58,150,7.06,150.2,7.052597
14,37.9,6.5519,52,7.24,60,7.43,75,7.7,90,7.81,110,8.12,120,8.31,135,8.02,150,7.41,173.9,6.496785
16,38.1,6.63333,52,7.29,60,7.49,75,7.84,90,8.07,110,8.34,120,8.69,135,8.51,150,7.7,176.9,7.020273
20,38,6.687726,52,7.33,60,7.52,75,7.95,90,8.45,110,8.72,120,9.16,135,9.63,150,8.48,177.8,7.70568

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.35	5.64	5.89	5.83	5.89	5.74	5.14	4.35
8	6.34	6.6	6.79	6.87	6.99	6.88	6.35	5.44
10	6.92	7.09	7.23	7.29	7.49	7.43	7.14	6.41
12	7.15	7.32	7.5	7.54	7.86	7.86	7.58	7.06
14	7.24	7.43	7.7	7.81	8.12	8.31	8.02	7.41
16	7.29	7.49	7.84	8.07	8.34	8.69	8.51	7.7
20	7.33	7.52	7.95	8.45	8.72	9.16	9.63	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.52	144.2°	3.77
8	40.9°	4.25	147.9°	4.71
10	39.9°	4.8	148.1°	5.55
12	38.6°	5.06	150.2°	6.12
14	37.9°	5.17	173.9°	6.46
16	38.1°	5.22	176.9°	7.01
20	38°	5.27	177.8°	7.7

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