DARKHORSE — ORC Rating

GPH

575.1

OSN

558.9

LOA

11.085 m

Displacement

4263 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7992

Medium

1.0739

High

1.2105

Triple Offshore

Low

1.0306

Medium

1.3236

High

1.4776

Boat Specifications

Dimensions

Length overall: 11.085 m
Beam: 3.27 m
Draft: 2.21 m
Displacement: 4263 kg
Crew weight: 1433 kg
Wetted surface: 25.38 m²

Sails

Mainsail: 38.97 m²
Genoa: 33.57 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 130.49 m²

Design

Type: Unknown
Builder: JBOATS
Designer: JOHNSTONE
Year built: 2010

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.

6,42.8,4.974583,52,5.56,60,5.88,75,6.13,90,6.19,110,6.33,120,6.19,135,5.55,143.8,5.031226,150,4.69
8,41.7,6.000229,52,6.73,60,7.01,75,7.19,90,7.38,110,7.52,120,7.43,135,6.94,145.9,6.183124,150,5.91
10,39.7,6.680534,52,7.36,60,7.55,75,7.68,90,7.69,110,8.11,120,8.06,135,7.7,149.3,7.036092,150,6.98
12,38.3,6.817229,52,7.54,60,7.75,75,8.05,90,8.07,110,8.5,120,8.73,135,8.3,150,7.67,151.7,7.552721
14,38.1,6.887481,52,7.6,60,7.84,75,8.25,90,8.55,110,8.85,120,9.25,135,9.01,149,8.1781,150,8.1
16,37.8,6.935348,52,7.63,60,7.87,75,8.36,90,8.88,110,9.21,120,9.69,135,9.87,146.5,8.982045,150,8.65
20,37.9,7.033471,52,7.76,60,8.05,75,8.51,90,9.14,110,9.86,120,10.61,135,11.91,141.6,11.420282,150,10.34

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.56	5.88	6.13	6.19	6.33	6.19	5.55	4.69
8	6.73	7.01	7.19	7.38	7.52	7.43	6.94	5.91
10	7.36	7.55	7.68	7.69	8.11	8.06	7.7	6.98
12	7.54	7.75	8.05	8.07	8.5	8.73	8.3	7.67
14	7.6	7.84	8.25	8.55	8.85	9.25	9.01	8.1
16	7.63	7.87	8.36	8.88	9.21	9.69	9.87	8.65
20	7.76	8.05	8.51	9.14	9.86	10.61	11.91	10.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.65	143.8°	4.06
8	41.7°	4.48	145.9°	5.12
10	39.7°	5.14	149.3°	6.05
12	38.3°	5.35	151.7°	6.65
14	38.1°	5.42	149°	7.01
16	37.8°	5.48	146.5°	7.49
20	37.9°	5.55	141.6°	8.95

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