NARVAL — ORC Rating | RegattaPages

GPH

604.7

OSN

587.1

LOA

10.57 m

Displacement

3910 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6731

Medium

0.9085

High

1.0287

Triple Offshore

Low

0.8696

Medium

1.1191

High

1.2561

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2.01 m
Displacement: 3910 kg
Crew weight: 420 kg
Wetted surface: 23.69 m²

Sails

Mainsail: 34.58 m²
Genoa: 36.37 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.37 m²

Design

Type: J 105
Builder: J-COMPOSITE
Designer: JOHNSTONE
Year built: 1992
Stability index: 124.3

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.

6,43.2,4.82874,52,5.39,60,5.72,75,5.98,90,5.9,110,5.94,120,5.8,135,5.15,143.8,4.671853,150,4.36
8,41.8,5.781541,52,6.47,60,6.73,75,6.9,90,6.94,110,7.08,120,6.99,135,6.49,147.5,5.667594,150,5.52
10,40,6.370388,52,7.01,60,7.19,75,7.33,90,7.35,110,7.63,120,7.58,135,7.29,147.8,6.712415,150,6.56
12,38.7,6.573296,52,7.22,60,7.42,75,7.64,90,7.7,110,8.11,120,8.17,135,7.84,150,7.25,150.9,7.198672
14,37.8,6.656922,52,7.33,60,7.55,75,7.92,90,8.08,110,8.44,120,8.77,135,8.47,148.7,7.747594,150,7.65
16,37.6,6.714716,52,7.39,60,7.64,75,8.11,90,8.43,110,8.75,120,9.22,135,9.2,150,8.06,173.9,7.100202
20,37.2,6.754297,52,7.45,60,7.72,75,8.31,90,8.94,110,9.46,120,10.03,135,11.1,142.1,10.442487,150,9.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.72	5.98	5.9	5.94	5.8	5.15	4.36
8	6.47	6.73	6.9	6.94	7.08	6.99	6.49	5.52
10	7.01	7.19	7.33	7.35	7.63	7.58	7.29	6.56
12	7.22	7.42	7.64	7.7	8.11	8.17	7.84	7.25
14	7.33	7.55	7.92	8.08	8.44	8.77	8.47	7.65
16	7.39	7.64	8.11	8.43	8.75	9.22	9.2	8.06
20	7.45	7.72	8.31	8.94	9.46	10.03	11.1	9.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.52	143.8°	3.77
8	41.8°	4.31	147.5°	4.78
10	40°	4.88	147.8°	5.68
12	38.7°	5.13	150.9°	6.29
14	37.8°	5.26	148.7°	6.62
16	37.6°	5.32	173.9°	7.06
20	37.2°	5.38	142.1°	8.24

Loading polar chart…