BLACK SWAN — ORC Rating

GPH

576.3

OSN

560.5

LOA

12.244 m

Displacement

7149 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7031

Medium

0.9535

High

1.0788

Triple Offshore

Low

0.9112

Medium

1.1755

High

1.31

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.17 m
Displacement: 7149 kg
Crew weight: 828 kg
Wetted surface: 33.25 m²

Sails

Mainsail: 47.12 m²
Genoa: 52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 165.02 m²

Design

Type: J-120
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1994
Stability index: 119.2

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.

6,43.6,5.067858,52,5.62,60,5.96,75,6.24,90,6.41,110,6.2,120,6.04,135,5.39,144.2,4.894806,150,4.58
8,41.8,6.009583,52,6.73,60,7.03,75,7.27,90,7.48,110,7.41,120,7.33,135,6.81,147.3,5.941695,150,5.77
10,41.1,6.741304,52,7.4,60,7.59,75,7.73,90,7.96,110,7.99,120,7.96,135,7.7,147.3,7.094383,150,6.9
12,39.3,6.965262,52,7.64,60,7.83,75,8.01,90,8.26,110,8.35,120,8.44,135,8.2,150,7.68,150.9,7.622124
14,38.2,7.062355,52,7.76,60,7.95,75,8.22,90,8.5,110,8.79,120,8.94,135,8.75,150,8.05,151.2,7.965248
16,37.5,7.121669,52,7.82,60,8.03,75,8.37,90,8.7,110,9.23,120,9.3,135,9.38,150,8.39,171.2,7.447671
20,36.6,7.174732,52,7.88,60,8.11,75,8.55,90,9.09,110,9.94,120,10.15,135,10.87,143,10.292555,150,9.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	5.96	6.24	6.41	6.2	6.04	5.39	4.58
8	6.73	7.03	7.27	7.48	7.41	7.33	6.81	5.77
10	7.4	7.59	7.73	7.96	7.99	7.96	7.7	6.9
12	7.64	7.83	8.01	8.26	8.35	8.44	8.2	7.68
14	7.76	7.95	8.22	8.5	8.79	8.94	8.75	8.05
16	7.82	8.03	8.37	8.7	9.23	9.3	9.38	8.39
20	7.88	8.11	8.55	9.09	9.94	10.15	10.87	9.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.67	144.2°	3.97
8	41.8°	4.48	147.3°	5
10	41.1°	5.08	147.3°	5.97
12	39.3°	5.39	150.9°	6.66
14	38.2°	5.55	151.2°	6.98
16	37.5°	5.65	171.2°	7.36
20	36.6°	5.76	143°	8.22

Loading polar chart…