Joker — ORC Rating | RegattaPages

GPH

621.1

OSN

603.8

LOA

10.757 m

Displacement

4817 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6585

Medium

0.8824

High

0.9911

Triple Offshore

Low

0.8489

Medium

1.0899

High

1.2063

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.07 m
Displacement: 4817 kg
Crew weight: 540 kg
Wetted surface: 25.66 m²

Sails

Mainsail: 37.74 m²
Genoa: 31.64 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.1 m²

Design

Type: J-109 MOD.
Builder: J-COMPOSITE
Designer: JOHNSTONE
Year built: 2001
Stability index: 118.1

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.

6,43,4.621567,52,5.18,60,5.49,75,5.75,90,5.73,110,5.83,120,5.69,135,5.13,144.8,4.6381,150,4.37
8,41.8,5.52667,52,6.2,60,6.49,75,6.7,90,6.84,110,6.97,120,6.87,135,6.38,147.8,5.637011,150,5.51
10,40.8,6.182339,52,6.83,60,7.03,75,7.18,90,7.29,110,7.51,120,7.45,135,7.18,148.8,6.581991,150,6.5
12,39.4,6.392889,52,7.08,60,7.28,75,7.47,90,7.52,110,7.92,120,7.94,135,7.66,150,7.13,150.5,7.100545
14,39,6.485268,52,7.17,60,7.38,75,7.68,90,7.82,110,8.21,120,8.44,135,8.17,150,7.48,152,7.35038
16,39.4,6.574064,52,7.21,60,7.43,75,7.81,90,8.1,110,8.46,120,8.84,135,8.72,150,7.81,174.8,7.018887
20,39.3,6.706811,52,7.33,60,7.54,75,7.92,90,8.47,110,8.9,120,9.45,135,10.12,150,8.59,175.7,7.741792

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.49	5.75	5.73	5.83	5.69	5.13	4.37
8	6.2	6.49	6.7	6.84	6.97	6.87	6.38	5.51
10	6.83	7.03	7.18	7.29	7.51	7.45	7.18	6.5
12	7.08	7.28	7.47	7.52	7.92	7.94	7.66	7.13
14	7.17	7.38	7.68	7.82	8.21	8.44	8.17	7.48
16	7.21	7.43	7.81	8.1	8.46	8.84	8.72	7.81
20	7.33	7.54	7.92	8.47	8.9	9.45	10.12	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.8°	3.79
8	41.8°	4.12	147.8°	4.77
10	40.8°	4.68	148.8°	5.63
12	39.4°	4.94	150.5°	6.18
14	39°	5.04	152°	6.49
16	39.4°	5.08	174.8°	6.99
20	39.3°	5.19	175.7°	7.72

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