BLACK RABBIT — ORC Rating

GPH

725.3

OSN

700.6

LOA

10.44 m

Displacement

6187 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6143

Medium

0.8506

High

1.0098

Triple Offshore

Low

0.7899

Medium

1.06

High

1.2105

Boat Specifications

Dimensions

Length overall: 10.44 m
Beam: 3.24 m
Draft: 1.91 m
Displacement: 6187 kg
Crew weight: 539 kg
Wetted surface: 25.74 m²

Sails

Mainsail: 22.56 m²
Genoa: 40.51 m²
Spinnaker: 77.71 m²
Asymmetric spinnaker: 0 m²

Design

Type: Koopmans 34
Builder: Polymarin
Designer: D.Koopmans Sr.
Year built: 1980

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.

6,43.7,3.914424,52,4.34,60,4.58,75,4.77,90,4.72,110,4.74,120,4.61,135,4.16,147.7,3.667503,150,3.58
8,41.9,4.608285,52,5.15,60,5.42,75,5.65,90,5.61,110,5.78,120,5.65,135,5.18,150,4.55,151.2,4.496143
10,41.7,5.183233,52,5.84,60,6.13,75,6.34,90,6.42,110,6.56,120,6.48,135,6.1,150,5.41,151.8,5.321663
12,42.2,5.710008,52,6.31,60,6.53,75,6.7,90,6.81,110,6.95,120,6.89,135,6.67,150,6.17,154.9,5.963103
14,42,5.988066,52,6.54,60,6.73,75,6.9,90,6.98,110,7.23,120,7.19,135,7,150,6.68,171.7,6.083722
16,41.4,6.0791,52,6.64,60,6.84,75,7.05,90,7.15,110,7.49,120,7.5,135,7.29,150,6.98,180,6.54
20,41.1,6.117601,52,6.7,60,6.92,75,7.25,90,7.47,110,7.8,120,8.04,135,7.9,150,7.53,180,7.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.34	4.58	4.77	4.72	4.74	4.61	4.16	3.58
8	5.15	5.42	5.65	5.61	5.78	5.65	5.18	4.55
10	5.84	6.13	6.34	6.42	6.56	6.48	6.1	5.41
12	6.31	6.53	6.7	6.81	6.95	6.89	6.67	6.17
14	6.54	6.73	6.9	6.98	7.23	7.19	7	6.68
16	6.64	6.84	7.05	7.15	7.49	7.5	7.29	6.98
20	6.7	6.92	7.25	7.47	7.8	8.04	7.9	7.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.7°	2.83	147.7°	3.1
8	41.9°	3.43	151.2°	3.94
10	41.7°	3.87	151.8°	4.69
12	42.2°	4.23	154.9°	5.4
14	42°	4.45	171.7°	6.02
16	41.4°	4.56	180°	6.54
20	41.1°	4.61	180°	7.13

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