NARVAL — ORC Rating | RegattaPages

GPH

616.1

OSN

595.9

LOA

10.57 m

Displacement

4095 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6617

Medium

0.897

High

1.0189

Triple Offshore

Low

0.8502

Medium

1.1006

High

1.2318

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.34 m
Draft: 2.02 m
Displacement: 4095 kg
Crew weight: 645 kg
Wetted surface: 25.09 m²

Sails

Mainsail: 34.38 m²
Genoa: 27.11 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.73 m²

Design

Type: J 105
Builder: J-COMPOSITE
Designer: JOHNSTONE
Year built: 1992

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.

6,43.4,4.665728,52,5.18,60,5.46,75,5.62,90,5.76,110,5.87,120,5.72,135,5.14,143.6,4.683848,150,4.36
8,41.2,5.555445,52,6.19,60,6.44,75,6.59,90,6.81,110,6.98,120,6.88,135,6.39,147.3,5.68026,150,5.52
10,39.3,6.151141,52,6.82,60,6.99,75,7.13,90,7.27,110,7.54,120,7.51,135,7.2,148.7,6.577262,150,6.49
12,37.6,6.43704,52,7.13,60,7.29,75,7.45,90,7.48,110,7.95,120,8.01,135,7.74,149.9,7.154817,150,7.15
14,36.9,6.577593,52,7.28,60,7.48,75,7.71,90,7.79,110,8.24,120,8.47,135,8.29,149.2,7.602218,150,7.54
16,36.4,6.64684,52,7.37,60,7.58,75,7.9,90,8.07,110,8.49,120,8.88,135,8.85,150,7.9,173.7,7.002287
20,36.5,6.779814,52,7.49,60,7.72,75,8.13,90,8.5,110,8.97,120,9.57,135,10.36,150,8.7,175.2,7.767241
24,37,6.811618,52,7.53,60,7.78,75,8.26,90,8.78,110,9.42,120,10.34,135,12.68,141.7,12.818938,150,11.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.46	5.62	5.76	5.87	5.72	5.14	4.36
8	6.19	6.44	6.59	6.81	6.98	6.88	6.39	5.52
10	6.82	6.99	7.13	7.27	7.54	7.51	7.2	6.49
12	7.13	7.29	7.45	7.48	7.95	8.01	7.74	7.15
14	7.28	7.48	7.71	7.79	8.24	8.47	8.29	7.54
16	7.37	7.58	7.9	8.07	8.49	8.88	8.85	7.9
20	7.49	7.72	8.13	8.5	8.97	9.57	10.36	8.7
24	7.53	7.78	8.26	8.78	9.42	10.34	12.68	11.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.39	143.6°	3.77
8	41.2°	4.18	147.3°	4.78
10	39.3°	4.76	148.7°	5.62
12	37.6°	5.1	149.9°	6.19
14	36.9°	5.26	149.2°	6.53
16	36.4°	5.35	173.7°	6.96
20	36.5°	5.45	175.2°	7.74
24	37°	5.44	141.7°	10.06

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