JOKER — ORC Rating | RegattaPages

GPH

614.7

OSN

596

LOA

10.757 m

Displacement

5051 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.671

Medium

0.8975

High

1.0103

Triple Offshore

Low

0.8599

Medium

1.1

High

1.2166

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 5051 kg
Crew weight: 650 kg
Wetted surface: 26.18 m²

Sails

Mainsail: 36.51 m²
Genoa: 31.65 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 107.58 m²

Design

Type: J-109
Builder: J-COMPOSITES
Designer: JOHNSTONE
Year built: 2001
Stability index: 116.4

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.

6,43,4.785646,52,5.31,60,5.59,75,5.76,90,5.78,110,5.86,120,5.71,135,5.15,144.2,4.672875,150,4.37
8,40.8,5.640724,52,6.3,60,6.53,75,6.67,90,6.82,110,6.96,120,6.84,135,6.36,147.8,5.648828,150,5.52
10,39,6.202181,52,6.88,60,7.04,75,7.17,90,7.3,110,7.5,120,7.45,135,7.15,148.9,6.540015,150,6.47
12,37.6,6.449661,52,7.15,60,7.31,75,7.47,90,7.52,110,7.89,120,7.91,135,7.64,150,7.09,150.1,7.082735
14,37,6.561191,52,7.28,60,7.46,75,7.69,90,7.77,110,8.19,120,8.32,135,8.11,150,7.46,151.1,7.37894
16,37,6.636319,52,7.35,60,7.54,75,7.84,90,8.01,110,8.41,120,8.7,135,8.58,150,7.78,173.6,7.003647
20,37.5,6.743527,52,7.41,60,7.63,75,8.01,90,8.38,110,8.82,120,9.35,135,9.75,150,8.45,176.2,7.706944

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.59	5.76	5.78	5.86	5.71	5.15	4.37
8	6.3	6.53	6.67	6.82	6.96	6.84	6.36	5.52
10	6.88	7.04	7.17	7.3	7.5	7.45	7.15	6.47
12	7.15	7.31	7.47	7.52	7.89	7.91	7.64	7.09
14	7.28	7.46	7.69	7.77	8.19	8.32	8.11	7.46
16	7.35	7.54	7.84	8.01	8.41	8.7	8.58	7.78
20	7.41	7.63	8.01	8.38	8.82	9.35	9.75	8.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.5	144.2°	3.79
8	40.8°	4.27	147.8°	4.78
10	39°	4.82	148.9°	5.6
12	37.6°	5.11	150.1°	6.14
14	37°	5.24	151.1°	6.46
16	37°	5.3	173.6°	6.96
20	37.5°	5.35	176.2°	7.69

Loading polar chart…