Vulcan — ORC Rating | RegattaPages

GPH

545.3

OSN

528.3

LOA

9.573 m

Displacement

1775 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7496

Medium

0.9911

High

1.1802

Triple Offshore

Low

0.9587

Medium

1.2346

High

1.4509

Boat Specifications

Dimensions

Length overall: 9.573 m
Beam: 3.05 m
Draft: 2.44 m
Displacement: 1775 kg
Crew weight: 595 kg
Wetted surface: 20.39 m²

Sails

Mainsail: 37.73 m²
Genoa: 23.41 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 116.74 m²

Design

Type: Cape 31
Builder: Noordhoek
Designer: Mills
Year built: 2017

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.

6,42.4,5.430254,52,6.05,60,6.35,75,6.54,90,6.4,110,6.5,120,6.37,135,5.65,142.4,5.187497,150,4.75
8,39.8,6.32579,52,7.05,60,7.25,75,7.37,90,7.3,110,7.61,120,7.55,135,7.08,145.6,6.338522,150,6.04
10,38,6.700416,52,7.51,60,7.83,75,8.12,90,8.03,110,8.42,120,8.58,135,8.05,148.9,7.147303,150,7.07
12,37,6.861703,52,7.77,60,8.14,75,8.7,90,8.88,110,9,120,9.42,135,9.17,149.4,8.051193,150,8
14,36.6,6.975434,52,7.96,60,8.37,75,9.02,90,9.6,110,9.54,120,10.11,135,10.49,146.1,9.373355,150,8.98
16,36.3,7.047774,52,8.11,60,8.55,75,9.3,90,10.07,110,10.07,120,10.77,135,11.77,144.9,10.743755,150,10.15
20,36.3,7.171854,52,8.31,60,8.8,75,9.72,90,10.81,110,11.92,120,12.06,135,13.72,144.7,14.311312,150,13.48
24,37,7.162216,52,8.31,60,8.85,75,9.93,90,11.32,110,13.29,120,13.72,135,15.64,149.3,17.014551,150,16.89

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.05	6.35	6.54	6.4	6.5	6.37	5.65	4.75
8	7.05	7.25	7.37	7.3	7.61	7.55	7.08	6.04
10	7.51	7.83	8.12	8.03	8.42	8.58	8.05	7.07
12	7.77	8.14	8.7	8.88	9	9.42	9.17	8
14	7.96	8.37	9.02	9.6	9.54	10.11	10.49	8.98
16	8.11	8.55	9.3	10.07	10.07	10.77	11.77	10.15
20	8.31	8.8	9.72	10.81	11.92	12.06	13.72	13.48
24	8.31	8.85	9.93	11.32	13.29	13.72	15.64	16.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.01	142.4°	4.11
8	39.8°	4.86	145.6°	5.23
10	38°	5.28	148.9°	6.12
12	37°	5.48	149.4°	6.93
14	36.6°	5.6	146.1°	7.78
16	36.3°	5.68	144.9°	8.79
20	36.3°	5.78	144.7°	11.68
24	37°	5.72	149.3°	14.63

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