TJ — ORC Rating | RegattaPages

GPH

616

OSN

599.7

LOA

10.757 m

Displacement

5219 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7493

Medium

1.0016

High

1.1309

Triple Offshore

Low

0.9659

Medium

1.2337

High

1.3649

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.14 m
Displacement: 5219 kg
Crew weight: 642 kg
Wetted surface: 26.49 m²

Sails

Mainsail: 38.01 m²
Genoa: 39.17 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 95.56 m²

Design

Type: J-109 (DK)
Builder: J-COMPOSITE
Designer: JOHNSTONE Rodney
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.

6,42.6,4.781978,52,5.36,60,5.67,75,5.94,90,5.87,110,5.81,120,5.65,135,5.09,144.5,4.593943,150,4.32
8,41.3,5.643821,52,6.36,60,6.63,75,6.83,90,6.84,110,6.94,120,6.8,135,6.26,148,5.530347,150,5.41
10,40.3,6.306804,52,6.95,60,7.12,75,7.26,90,7.35,110,7.47,120,7.39,135,7.08,148.6,6.455386,150,6.36
12,38.6,6.525741,52,7.19,60,7.36,75,7.53,90,7.57,110,7.87,120,7.81,135,7.53,150,7.01,150.1,7.001987
14,37.9,6.602592,52,7.29,60,7.47,75,7.74,90,7.85,110,8.26,120,8.28,135,7.95,150,7.37,173.8,6.447713
16,38,6.675036,52,7.33,60,7.54,75,7.89,90,8.12,110,8.51,120,8.75,135,8.43,150,7.66,176.9,6.990229
20,38.1,6.722283,52,7.36,60,7.58,75,8.02,90,8.52,110,8.94,120,9.42,135,9.52,150,8.4,177.9,7.675155

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.67	5.94	5.87	5.81	5.65	5.09	4.32
8	6.36	6.63	6.83	6.84	6.94	6.8	6.26	5.41
10	6.95	7.12	7.26	7.35	7.47	7.39	7.08	6.36
12	7.19	7.36	7.53	7.57	7.87	7.81	7.53	7.01
14	7.29	7.47	7.74	7.85	8.26	8.28	7.95	7.37
16	7.33	7.54	7.89	8.12	8.51	8.75	8.43	7.66
20	7.36	7.58	8.02	8.52	8.94	9.42	9.52	8.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.52	144.5°	3.74
8	41.3°	4.24	148°	4.69
10	40.3°	4.81	148.6°	5.51
12	38.6°	5.1	150.1°	6.07
14	37.9°	5.21	173.8°	6.41
16	38°	5.26	176.9°	6.98
20	38.1°	5.29	177.9°	7.67

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