Dark Star — ORC Rating

GPH

506.3

OSN

497.5

LOA

11.275 m

Displacement

3340 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.9391

Medium

1.1889

High

1.4019

Triple Offshore

Low

1.2049

Medium

1.4734

High

1.6921

Boat Specifications

Dimensions

Length overall: 11.275 m
Beam: 3.5 m
Draft: 2.8 m
Displacement: 3340 kg
Crew weight: 600 kg
Wetted surface: 28.16 m²

Sails

Mainsail: 59.64 m²
Genoa: 38.79 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 167.63 m²

Design

Type: MC38
Builder: McConaghy
Designer: Harry Dunning
Year built: 2011

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.

6,42.2,6.168968,52,6.96,60,7.33,75,7.55,90,7.47,110,7.29,120,7.07,135,6.34,141.8,5.840758,150,5.3
8,39.1,6.777945,52,7.66,60,7.92,75,8.26,90,8.24,110,8.17,120,8.22,135,7.77,144.7,7.118898,150,6.71
10,38.6,7.114337,52,7.89,60,8.17,75,8.67,90,9.04,110,8.78,120,8.99,135,8.69,150,7.78,151.7,7.598151
12,37.6,7.232204,52,8.03,60,8.34,75,8.94,90,9.5,110,9.33,120,9.55,135,9.9,150,8.62,150.2,8.52765
14,36.4,7.367432,52,8.19,60,8.48,75,9.13,90,9.8,110,10.26,120,10.36,135,10.97,144.8,10.14508,150,9.57
16,36.3,7.457239,52,8.34,60,8.75,75,9.29,90,10.03,110,11.06,120,11.1,135,11.81,143,11.807639,150,10.89
20,36.7,7.520807,52,8.44,60,8.9,75,9.75,90,10.4,110,11.86,120,12.57,135,13.45,147.2,14.502123,150,14.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.96	7.33	7.55	7.47	7.29	7.07	6.34	5.3
8	7.66	7.92	8.26	8.24	8.17	8.22	7.77	6.71
10	7.89	8.17	8.67	9.04	8.78	8.99	8.69	7.78
12	8.03	8.34	8.94	9.5	9.33	9.55	9.9	8.62
14	8.19	8.48	9.13	9.8	10.26	10.36	10.97	9.57
16	8.34	8.75	9.29	10.03	11.06	11.1	11.81	10.89
20	8.44	8.9	9.75	10.4	11.86	12.57	13.45	14.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	4.57	141.8°	4.59
8	39.1°	5.26	144.7°	5.81
10	38.6°	5.56	151.7°	6.69
12	37.6°	5.73	150.2°	7.4
14	36.4°	5.93	144.8°	8.29
16	36.3°	6.01	143°	9.43
20	36.7°	6.03	147.2°	12.19

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