TOKAOMA 3 — ORC Rating

GPH

521.1

OSN

508.2

LOA

12.729 m

Displacement

6411 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7782

Medium

1.0387

High

1.1942

Triple Offshore

Low

1.0132

Medium

1.2934

High

1.4701

Boat Specifications

Dimensions

Length overall: 12.729 m
Beam: 3.98 m
Draft: 2.56 m
Displacement: 6411 kg
Crew weight: 700 kg
Wetted surface: 36.62 m²

Sails

Mainsail: 63.5 m²
Genoa: 47.87 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 200.11 m²

Design

Type: JNA 42
Builder: Trimarine
Designer: NIVELT Bernard
Year built: 2016

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.

6,42.8,5.587888,52,6.27,60,6.63,75,7.12,90,7.33,110,7.03,120,6.7,135,5.97,142.5,5.457846,150,5
8,41.2,6.698432,52,7.53,60,7.82,75,8.11,90,8.31,110,8.17,120,8.08,135,7.55,144,6.748931,150,6.3
10,39.4,7.234059,52,8.07,60,8.3,75,8.52,90,8.86,110,8.82,120,8.83,135,8.38,147.5,7.683265,150,7.48
12,38.6,7.447022,52,8.25,60,8.51,75,8.94,90,9.25,110,9.59,120,9.55,135,9.11,150,8.35,152,8.16583
14,38.2,7.571353,52,8.35,60,8.64,75,9.19,90,9.62,110,10.33,120,10.09,135,9.98,149.2,8.941046,150,8.87
16,37.1,7.648098,52,8.44,60,8.72,75,9.36,90,10.02,110,10.89,120,11.04,135,11.04,147,9.872768,150,9.56
20,37.1,7.760939,52,8.63,60,9.03,75,9.64,90,10.4,110,11.81,120,12.67,135,12.93,142.8,12.667446,150,11.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.27	6.63	7.12	7.33	7.03	6.7	5.97	5
8	7.53	7.82	8.11	8.31	8.17	8.08	7.55	6.3
10	8.07	8.3	8.52	8.86	8.82	8.83	8.38	7.48
12	8.25	8.51	8.94	9.25	9.59	9.55	9.11	8.35
14	8.35	8.64	9.19	9.62	10.33	10.09	9.98	8.87
16	8.44	8.72	9.36	10.02	10.89	11.04	11.04	9.56
20	8.63	9.03	9.64	10.4	11.81	12.67	12.93	11.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.1	142.5°	4.33
8	41.2°	5.04	144°	5.46
10	39.4°	5.59	147.5°	6.48
12	38.6°	5.82	152°	7.21
14	38.2°	5.95	149.2°	7.68
16	37.1°	6.1	147°	8.28
20	37.1°	6.19	142.8°	10.09

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