TRIS TRAS — ORC Rating

GPH

641.9

OSN

624.6

LOA

9.95 m

Displacement

4056 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6379

Medium

0.8516

High

0.954

Triple Offshore

Low

0.8242

Medium

1.0537

High

1.1606

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 1.99 m
Displacement: 4056 kg
Crew weight: 140 kg
Wetted surface: 24.16 m²

Sails

Mainsail: 33.71 m²
Genoa: 21.82 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 97.28 m²

Design

Type: J 99
Builder: J-COMPOSITES
Designer: JOHNSTONE
Year built: 2018

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.

6,42.8,4.388536,52,4.91,60,5.19,75,5.42,90,5.72,110,5.82,120,5.68,135,5.1,144,4.622894,150,4.32
8,41.2,5.223182,52,5.88,60,6.17,75,6.39,90,6.74,110,6.89,120,6.78,135,6.3,148,5.542138,150,5.42
10,40.5,5.852137,52,6.55,60,6.77,75,6.94,90,7.03,110,7.36,120,7.32,135,7.05,148.5,6.474009,150,6.37
12,39.9,6.139486,52,6.84,60,7.04,75,7.23,90,7.27,110,7.63,120,7.77,135,7.5,150,6.97,150.2,6.960406
14,39.8,6.234678,52,6.93,60,7.16,75,7.43,90,7.54,110,7.87,120,8.16,135,7.98,150,7.32,174,6.435253
16,39.8,6.247694,52,6.97,60,7.21,75,7.57,90,7.81,110,8.08,120,8.43,135,8.52,150,7.64,177,6.949524
20,40.1,6.353594,52,7.06,60,7.27,75,7.66,90,8.2,110,8.51,120,8.97,135,9.77,150,8.55,177,7.660498

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.91	5.19	5.42	5.72	5.82	5.68	5.1	4.32
8	5.88	6.17	6.39	6.74	6.89	6.78	6.3	5.42
10	6.55	6.77	6.94	7.03	7.36	7.32	7.05	6.37
12	6.84	7.04	7.23	7.27	7.63	7.77	7.5	6.97
14	6.93	7.16	7.43	7.54	7.87	8.16	7.98	7.32
16	6.97	7.21	7.57	7.81	8.08	8.43	8.52	7.64
20	7.06	7.27	7.66	8.2	8.51	8.97	9.77	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.22	144°	3.74
8	41.2°	3.93	148°	4.7
10	40.5°	4.45	148.5°	5.52
12	39.9°	4.71	150.2°	6.04
14	39.8°	4.79	174°	6.4
16	39.8°	4.8	177°	6.94
20	40.1°	4.86	177°	7.65

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